Rubber, Latex & Tire Industry - International Training Week 2014
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Rubber, Latex & Tire Industry
International Training Week 2014
11-15 March 2014, BANGKOK, Thailand
@ Bangkok International Trade & Exhibition Center (BITEC)
58 Short Training Courses by World-Renowned & Experienced Specialists
Course Length: 3 hrs, Course Language: ENGLISH
Organized by
TechnoBiz Communications Co., Ltd.
2521/27, Lardprao Road, Khlongchaokhunsingha, Wangthonglang, Bangkok 10310 Thailand
Tel: +66-2-933 0077 Fax: +66-2-955 9971 Email: training@rubbertechnology-expo.com
Web: www.rubbertechnology-expo.com
Rubber, Latex & Tire Industry
International Training Week 2014
11-15 March 2014, BANGKOK, Thailand
TechnoBiz is organizing "Rubber, Latex & Tire Industry - International Training Week 2014" during 11-15 March
2014 at BITEC, Bangkok, Thailand. In this training week, around 58 short training courses will be held. Each course
length is 3 hrs. These courses are focusing wide range of issues related to rubber, latex and tire industries. These
courses will be conducted in ENGLISH only. Well-experienced and world-renowned international experts will be
teaching these specialized training courses. Kindly note that these courses will be held parallel. Interested delegates
are requested to review training course schedule before registering the program. These programs are divided into 9
groups
GROUP 1: Rubber Materials, Chemicals and Compounding (11 Courses)
GROUP 2: Rubber Properties, Testing and Legislations (7 Courses)
GROUP 3: Rubber Molding and Molding of Rubber (8 Courses)
GROUP 4: Rubber Products, Applications and Design (6 Courses)
GROUP 5: Latex Processing Technology (6 Courses)
GROUP 6: Tire Technology, Regulations & Mechanics (11 Courses)
GROUP 7: Tire Retreading & Repair (4 Courses)
GROUP 8: Tire Fleet Management (3 Courses)
GROUP 9: Rubber & Tire Recycling (2 Courses)
GROUP 1 : RUBBER MATERIALS, CHEMICALS & COMPOUNDING
1. How to set-up Rubber Compound Plant RT-1 Dr. Hans-Joachim Graf
2. Cost Reduction in Rubber Compounding RT-2 Dr. Hans-Joachim Graf
3. Compound Development with Design of Experiments & Simulation Tool RT-3 Dr. Hans-Joachim Graf
4. Advances in Internal Mixing RT-4 Dr. Samir Majumdar
5. TPE-Processing & Applications RT-5 Manuela Gehringer
6. Understanding the Global Supply Chain to the Rubber Industry RT-6 John Dick
7. Rubber Nanocomposites – Processing & Application RT-7 Dr. Siby Varghese
8. Modified Natural Rubber RT-8 Dr. Siby Varghese
9. Reinforcement of Rubber & Latex Compounds with Nanofiller RT-9 Dr. S N Chakravarthy
10. Fillers - An Essential Ingredient of Rubber Compound RT-10 Dr. Arup Kumar Chandra
11. Recent Advancement on Rubber Materials RT-11 Dr. Arup Kumar Chandra
GROUP 2: RUBBER PROPERTIES, TESTING & LEGISLATIONS
12. Selection Of Elastomers through Linear and Non-Linear Visco-Elastic Properties RT-12 Henri Burhin
13. Mixing Silica containing Rubber Compounds & Quality Assurance for Processing & Final Properties RT-13 Henri Burhin
14. Rubber Compound Vulcanization and Modern Cure Time Analysis and Prediction RT-14 Henri Burhin
15. Visco-Elastic Properties of Cured Rubber Compounds for Optimized Part Performance RT-15 Henri Burhin
16. Reverse Engineering and Life Prediction of Rubber Components RT-16 K Rajkumar
17. Estimation of Measurement Uncertainty on Rubber Testing RT-17 K Rajkumar
18. Environmental Legislation for Rubber Industry RT-18 Dr. Arup Kumar Chandra
GROUP 3 : RUBBER MOLDING & MOLDING OF RUBBER
19. Injection Cold Runner Blocks for Rubber RT-19 Dr. Van Walworth
20. Flashless Rubber Transfer Molding RT-20 Dr. Van Walworth
21. Chase Molding for Rubber Prototypes and Short-run Production RT-21 Dr. Van Walworth
22. Vacuum Molding of Rubber RT-22 Dr. Van Walworth
23. Hybrid Transfer Molding of Rubber RT-23 Dr. Van Walworth
24. Troubleshooting of Compression & Transfer Rubber Molding RT-24 Dr. Van Walworth
25. Optimization of an Rubber Injection Molding Process RT-25 Dr. Hans-Joachim Graf
26. Mold Fouling: Reason and how to Fix - for Compounders RT-26 Dr. Hans-Joachim Graf
GROUP 4 : RUBBER PRODUCTS, APPLICATIONS & DESIGN
27. Design, Testing and Validation of Automotive Hoses RT-27 Dr.P.Thavamani
28. Design, Testing and Validation of Automotive Seals RT-28 Dr.P.Thavamani
29. Design, Testing and Validation of Automotive FEAD belts RT-29 Dr.P.Thavamani
30. High Pressure Hydraulic Hoses – Manufacturing Process, Product Testing and Validation RT-30 Dr.P.Thavamani
31. Process Control Design of Rubber Products RT-31 Dr. Siby Varghese
32. Rubber-based Adhesives RT-32 Dr. Siby Varghese
GROUP 5 : LATEX PROCESSING TECHNOLOGY
33. Latex Compounding Ingredients and Compounding for Different Latex Products LT-1 Dr. Rani Joseph
34. Dipped Latex Goods Production and Quality Control LT-2 Dr. Rani Joseph
35. Latex Foam and Thread Production and Quality Control LT-3 Dr. Rani Joseph
36. Advances of Synthetic Latexes by Emulsion Polymerization LT-4 Prof. CC Ho
37. Advances in latex dipping process for gloves LT-5 Prof. CC Ho
38. Latex stability and its control in processing LT-6 Prof. CC Ho
GROUP 6 : TIRE TECHNOLOGY, REGULATIONS & MECHANICS
39. Halobutyl based Innterliner Technology for Tubeless Tires TR-1 Dr. Samir Majumdar
40. Heat-Resistant Chlorobutyl based Innertube Technology TR-2 Dr. Samir Majumdar
41. Latest Technologies of Tire Curing Bladder TR-3 Dr. Samir Majumdar
42. Ingredients of Rubber Compound & Its Influence in Tire Performance TR-4 Dr. Arup Kumar Chandra
43. Development of Fuel Efficient Tires- New Design & Materials Approach TR-5 Dr. Arup Kumar Chandra
44 Space Edge Tire to face the Future Challenges TR-6 Dr. Arup Kumar Chandra
45.Developments in Tire Labeling TR-7 Dr. Arup Kumar Chandra
46. Regulations on Tire Testing and Certifications TR-8 Dr. P. Thavamani
47. Tire Braking Mechanics TR-9 Dr. Shunichi Yamazaki
48. Advances in Tire Uniformity Test for Vehicle Drift TR-10 Dr. Shunichi Yamazaki
49. Tire Tread Wear and Silica Compound Influence TR-11 Dr. Shunichi Yamazaki
GROUP 7 : TIRE RETREADING & REPAIR
50. Retread Processes and Workshop Practices TR-12 Alan Bithell
51. Manufacture of Cold Retreading Material TR-13 Dr. SN Chakravarthy
52. Professional Tire Repairing - Car / Truck/ Agriculture/ Earthmover TR-14 Alan Bithell
53. Casing Analysis and Inspection Procedures TR-15 Alan Bithell
GROUP 8 : TIRE FLEET MANAGEMENT
54. From Selling Tires to Offering Solution TR-16 Danilo Pasotti
55.Putting Fleet Tire Management in Perspective, Perception and Reality TR-17 Danilo Pasotti
56. Fleet Management and Outsourcing TR-18 Danilo Pasotti
GROUP 9 : RUBBER & TIRE RECYCLING
57. Rubber Recycling RT-33 Dr. S N Chakravarthy
58. Rubber & Tire Recycling RT-34 Dr. Ran Zamir
TIME CODE TRAINING TITLE INSTRUCTOR
11 MARCH 2014 (TUESDAY)
08.00-11.00 LT-4 Advances of Synthetic Latexes by Emulsion Polymerization Prof. CC Ho
08.00-11.00 RT-32 Rubber-based Adhesives Dr. Siby Varghese
11.30-14.30 RT-27 Design, Testing and Validation of Automotive Hoses Dr. P Thavamani
11.30-14.30 LT-1 Latex Compounding Ingredients and Compounding for Different Latex Products Dr. Rani Joseph
11.30-14.30 RT-22 Vacuum Molding of Rubber Van Walworth
15.00 -18.00 RT-30 High Pressure Hydraulic Hoses – Manufacturing, Testing & Validation Dr. P Thavamani
15.00-18.00 LT-5 Advances in Latex Dipping Process for Gloves Prof. CC Ho
15.00-18.00 RT-31 Process Control Design of Rubber Products Dr. Siby Varghese
15.00-18.00 RT-20 Flashless Rubber Transfer Molding Van Walworth
12 March 2014 (WEDNESDAY)
11.30-14.30 LT-6 Latex Stability and Its Control in Processing Prof. CC Ho
11.30-14.30 LT-2 Dipped Latex Goods Production and Quality Control Dr. Rani Joseph
11.30-14.30 RT-11 Recent Advancement on Rubber Materials Dr. Arup Kumar Chandra
11.30-14.30 TR-16 From Selling Tires to Offering Solution Danilo Pasotti
15.00-18.00 LT-3 Latex Foam and Thread Production and Quality Control Dr. Rani Joseph
15.00-18.00 TR-17 Putting Fleet Tire Management in Perspective, Perception and Reality Danilo Pasotti
15.00-18.00 RT-19 Injection Cold Runner Blocks for Rubber Van Walworth
15.00-18.00 RT-12 Selection of Elastomers through linear and non-linear visco-elastic properties Henri Burhin
15.00-18.00 RT-6 Understanding the Global Supply Chain to the Rubber Industry John Dick
13 March 2014 (THURSDAY)
08.00-11.00 RT-1 How to Set-up Rubber Compound Plant Dr. Hans-Joachim Graf
08.00-11.00 RT-4 Advances in Internal Mixing Dr. Samir Majumdar
08.00-11.00 RT-10 Fillers - An Essential Ingredient of Rubber Compound Dr. Arup Kumar Chandra
08.00-11.00 RT-7 Rubber Nanocomposites – Processing & Application Dr. Siby Varghese
08.00-11.00 RT-28 Design, Testing and Validation of Automotive Seals Dr P Thavamani
08.00-11.00 RT-13 Mixing Silica in Rubber Compounds & Quality Assurance for Processing & Final Properties Henri Burhin
11.30-14.30 TR-1 Halobutyl based Innterliner Technology for Tubeless Tires Dr. Samir Majumdar
11.30-14.30 RT-8 Modified Natural Rubber Dr. Siby Varghese
11.30-14.30 TR-9 Tire Braking Mechanics Dr. Shunichi Yamazaki
11.30-14.30 RT-14 Rubber compound vulcanization and modern cure time analysis and prediction Henri Burhin
11.30-14.30 TR-12 Retread Processes and Workshop Practices Alan Bithell
15.00-18.00 TR-5 Development of Fuel Efficient Tires- New Design & Materials Approach Dr. Arup Kumar Chandra
15.00-18.00 TR-10 Advances in Tire Uniformity Test for Vehicle Drift Dr. Shunichi Yamazaki
15.00-18.00 TR-14 Professional Tire Repairing – Car/Truck/Agricultural/Earthmover Alan Bithell
15.00-18.00 RT-34 Rubber & Tire Recycling Dr. Ran Zamir
15.00-18.00 RT-15 Visco-elastic properties of cured rubber compounds for optimized part performance Henri Burhin
15.00-18.00 RT-9 Reinforcement of Rubber & Latex Compounds with Nanofiller Dr S N Chakravarthy
15.00-18.00 RT-16 Reverse Engineering and Life Prediction of Rubber Components K Rajkumar
14 March 2014 (FRIDAY)
08.00-11.00 RT-17 Estimation of Measurement Uncertainty on Rubber Testing K Rajkumar
08.00-11.00 TR-8 Regulations on Tire Testing and Certifications Dr. P Thavamani
08.00-11.00 RT-2 Cost-Reduction in Rubber Compounding Dr. Hans-Joachim Graf
08.00-11.00 RT-18 Environmental Legislation for Rubber Industry Dr. Arup Kumar Chandra
08.00-11.00 RT-5 TPE-Processing & Applications Manuela Gehringer
08.00-11.00 RT-21 Chase Molding for Rubber Prototypes and Short-run Production Van Walworth
11.30-14.30 RT-3 Compound Development with Design of Experiments & Simulation Tool Dr. Hans-Joachim Graf
11.30-14.30 TR-4 Ingredients of Rubber Compound & Its Influence in Tire Performance Dr. Arup Kumar Chandra
11.30-14.30 TR-2 Heat-Resistant Chlorobutyl based Innertube Technology Dr. Samir Majumdar
11.30-14.30 RT-23 Hybrid Transfer Molding of Rubber Van Walworth
11.30-14.30 TR-15 Casing Analysis and Inspection Procedures Alan Bithell
11.30-14.30 TR-11 Tire Tread Wear and Silica Compound Influence Dr. Shunichi Yamazaki
15.00-18.00 RT-24 Troubleshooting of Compression & Transfer Rubber Molding Van Walworth
15.00-18.00 TR-3 Latest Technologies of Tire Curing Bladder Dr. Samir Majumdar
15.00-18.00 TR-13 Manufacture of Cold Retreading Material Dr. SN Chakravarthy
15.00-18.00 TR-26 Mold Fouling: Reason and how to Fix – for Compounders Dr. Hans-Joachim Graf
15.00-18.00 TR-18 Fleet Management and Outsourcing Danilo Pasotti
15 March 2014 (SATURDAY)
08.00-11.00 RT-25 Optimization of an Rubber Injection Molding Process Dr. Hans-Joachim Graf
08.00-11.00 RT-29 Design, Testing and Validation of Automotive FEAD belts Dr. P Thavamani
08.00-11.00 TR-33 Rubber Recycling Dr. S N Chakravarthy
08.00-11.00 TR-6 Space Edge Tire to face the Future Challenges Dr. Arup Kumar Chandra
11.30-14.30 TR-7 Developments in Tire Labeling Dr. Arup Kumar Chandra
REGISTRATION PROMOTION:
1. If same delegate joins more than 5 courses, 10% discount on the total registration fee.
2. If 3 or more than 3 delegates from the same company join the same training course, 10% discount on the registration fee.
GROUP 1: RUBBER MATERIALS, CHEMICALS AND COMPOUNDING
How to set-up a Rubber Compound Plant Compound Development with Design of Experiments &
(INSTRUCTOR: DR. HANS-JOACHIM GRAF) Simulation Tool
The mixing plant is the start of the rubber processing chain for manufacturing (INSTRUCTOR: DR. HANS-JOACHIM GRAF)
companies as soon as they claim the ownership of the compound recipes. The Even today compound formula development is more than an art than science. A
ownership is a precondition to act as a development suppliers. The mixing plant is better understanding of the ingredient performance correlation can be achieved if
not only a larger investment, but detrimental for all subsequent manufacturing the methods of statistic experimental design are used. Development time becomes
processes. Knowledge about the state of the art mixing plant layout, latest shorter and cost of development can be reduced, but the knowledge gained is
machinery available and necessary testing for raw material inspection and much more profound. In most cases a linear relationship between ingredients and
compound testing before shipment is important in case of new investment but for rheology and physics of the vulcanised compound lead to a simulation tool based
the redesign or improvement of an existing mixing site. Cost and quality on multiple linear iteration, which allows creating a compound out of a compound
improvement has its effect on all downstream processes. In this course examples of database. In this course examples are provided for successful solutions with both
mixing room layouts are discussed with its advantages and disadvantages. methods and discussed.
PROGRAM CONTENTS: PROGRAM CONTENTS:
• Plant Infrastructure • Review of Design of Experiment tools and other related software tools
• Mixing Machines Overview • Demonstration of Design Expert®
• Process Monitoring and Control • Example of compound development with Design of Experiment
• Raw Material Testing • Simulation software for compound development
• Compound Testing for Processing Performance • Demonstration of “GrafCompounder”
• Examples of Development with “GrafCompounder”
Cost Reduction in Rubber Compounding
(INSTRUCTOR: DR. HANS-JOACHIM GRAF) Advances in Internal Mixing
Raw materials affect the total product in rubber manufacturing processes like
(INSTRUCTOR: DR. SAMIR MAJUMDAR)
extrusion or moulding more then 50%. There is also a large influence on quality cost
Rubber industry is extremely energy driven process. In any rubber industry, major
on top of it. In a very competitive market and a situation of smaller companies
energy will be consumed in the mixing of rubber and other ingredients. Bottom line
facing very large customers it is important for the survival to gain cost leadership.
is, we need to mix a rubber batch with the help of cheapest possible machine and at
Compounding for performance and cost on one hand and raw material analysis and
a faster rate with minimum man power and energy requirement such that the
consolidation on the other hand are building blocks to stay ahead of competition.
processing cost is minimum with acceptable quality of mixing. In a typical tyre
Cost savings in raw materials should not influence negatively processing cost and
industry, the contribution of mixing energy intake could be anywhere between 35-
part performance during service life. In this course some tools provided to manage
45%. Energy conservation has been a hot topic in any rubber industry. This program
raw materials. Compound cost reduction examples are provided and discussed as
will be focusing on the efficient use of Banbury and Banbury productivity with
well.
respect to the following:
PROGRAM CONTENTS:
PROGRAM CONTENTS
• Raw Material Strategy
• Type of mixing
• Formula Design for Cost and Performance Examples
• Size reduction process
• Solutions for Compound Reduction
• Mixing stages
• Raw Materials Influence on Cost Analysis
• Open mill mixing
• Tools to Manage Raw Material Analysis and Cost Comparison
• Kneaders
• Internal Mixing
• Difference between Banbury and Intermix
• Banbury Productivity• Troubleshooting in Mixing Rubber Nanocomposites – Processing & Applications
• Improving Banbury productivity (Ram pressure / Ram float condition / (INSTRUCTOR: DR.SIBY VARGHESE)
Ram Position Indicator (RPI) / Mixing Sequence /Cooling /Ingredient Polymer nanocomposites reinforced by relatively small amounts of ultra-fine, nano-
temperature / Batch weights / Dump temperature / Banbury Starting particles (most often clay platelets) proved exceptionally promising engineering
Temperature / Rotors) materials with unexpectedly high stiffness/toughness ratio, gas barrier properties,
flame retardence, etc. The real interest in nanotechnology is to create revolutionary
TPE-Processing & Applications properties and functions by tailoring materials and designing devices on the
(INSTRUCTOR: MANUELA GEHRINGER) nanometer scale. Natural rubber nanocomposites are proven materials for their
Thermoplastic Elastomers (TPE) have been gaining importance in the rubber high air impermeability, excellent solvent resistance, high modulus etc. The form of
industry as it has both rubber and plastic properties. This program discusses basic rubber viz. latex or dry rubber, mainly decides the nature of the clay to be selected
characteristics of TPE and their processing. for composite preparation. For dry rubber compounding, the clay should be
PROGRAM CONTENTS organophilic whereas a hydrophilic layered silicate is preferred for latex addition. In
• TPE : Characteristic Properties, Advantages and Disadvantages the first category, the nature of the modifiers of the nanoclay, the layer distance
• Processing By Injection Molding: Part and Mold Design, Processing and the polarity of the polymer, play a crucial role in clay exfoliation and hence the
Guidelines, Recognition of Defects composite properties. As nanoclays are silicates modified with alkyl substituted
• Applications: TPE in Automotive and Selected Applications, Multi- quaternary ammonium compounds, these substituent’s may interfere with the
Component Parts amine accelerated sulphur cure system and further the clay intercalation process.
Due to this, most often it is difficult to achieve the expected level of properties. In
the case of latex, the hydration efficiency of the silicate, aspect ratio of the clay
Understanding the Global Supply Chain to the Rubber
platelets and the polarity of the polymer decide the composite properties. In
Industry certain cases the intercalation process can be accelerated by the addition of polar
(INSTRUCTOR: JOHN DICK) polymers.
This program provides a current overview of the chemical supply chain for the PROGRAM CONTENTS
rubber industry. This program also reviews the present and future international • Selection of Clay for Natural Rubber Compounding
economics and its effects on this chemical supply chain to rubber producers, • The Effect of Modifiers In The Vulcanization Reaction,
compounding ingredient manufacturers, custom mixers, rubber fabricators, • Characterization of the NR Nanocomposites
molders, extruders and others.. • Processing and Applications Of Polymer Nanocomposites
PROGRAM CONTENTS
• Introduction and Macroeconomics
• Strategic Raw Materials
Modified Natural Rubber
(INSTRUCTOR: DR.SIBY VARGHESE)
• General Purpose Elastomers
Natural rubber is a general purpose rubber, the lion share of which is being
• Specialty Elastomers
consumed for the manufacture of automobile tires. It is also finds application for
• Textile Reinforcing Materials and Their Adhesive Systems
the production of different types of molded and calendared items such as foot
• Thermoplastic Elastomers wears, conveyor belts, hoses, retreading materials etc. The processing and service
• Polyurethane requirements of the rubber goods necessitated the use of the right forms of
• Carbon Black, Fillers, Reinforcing Agents, and Coupling Agents material for the manufacture. Synthetic rubbers are marked according to the
• Process Oils, Synthetic Ester Plasticizers, and Processing Aids specific requirements manufactures. With a view to improve the competitiveness
• Curatives of natural rubber, to widen its areas of applications and to meet the specific
• Antioxidants, Antiozonants, Tackifiers, Flame Retardance and Blowing requirements of the consumer, different modified, forms of natural rubber have
Agents been evolved. These modified forms may be classified into four types. The
• Intermediate Feedstocks processing properties and areas of applications of the different modified forms of
natural rubber will be discussedPROGRAM CONTENTS • Ultrafine CaCO3
• Modified Rubber obtained by organic reaction of the isoprene unit • Reinforcing Effect of Nano filler (CaCO3 ) in Different Compounds – NR
including addition to the double bond and substitution of activated and NR / NBR , CPE / CSM blend
methylene group. • Study with Ultrafine CaCO3 in Sports Goods , NR based Cycle tube,
• Polymeric modification such as graft polymers. Bromobutyl-based Pharmaceutical Closures and CPE / CSM Blend for
• Isomerisation products including cis trans isomerisation and Coated Fabric
cyclisation. • Usage of Ultra-fine CaCO3 in the Manufacture of Football Bladder,
• Others like constant viscosity (cv) rubber, general purpose (GP) Household Gloves , Surgical Gloves, Latex Thread , Balloons etc
rubber, superior processing (SP) rubber and PA-80, oil extended
natural rubber (OENR), deproteinised natural rubber (DPNR), Fillers- Essential Ingredients of Rubber Compound
powdered rubber and liquid rubber. (INSTRUCTOR: DR. ARUP K. CHANDRA)
Fillers, a finely divided solid, are not only added to fill the space or to increase the
Reinforcement of Rubber & Latex Compounds with volume or reduce cost but to enhance several performance properties of a finished
product including tires. The never ending customer’s demand is constantly putting
Nano- Filler extra ordinary pressure on these performance properties a filler is supposed to do.
(INSTRUCTOR: DR.S.N.CHAKRAVARTY)
This will discuss all those requirements and how scientists/technologists are gearing
Nano Filler is one of the many emerging applications of nanotechnology that is
up to resolve those issues.
finding successful commercial application. The term, “nanocomposite” refers to
PROGRAM CONTENTS:
every type of materials having fillers in the nanometer size range, at least in one
• What is filler?
dimension Reinforcing effect of Nano filler ( CaCO3 ) in different compounds – NR
• Classification of Filler based on Origin; Reinforcement or Appearance.
and NR / NBR blend used in Sports Goods , NR based Cycle tube, Bromobutyl based
• Characterization of Fillers based on Shape; Size and its Distribution;
pharmaceutical closures and CPE / CSM blend used for coated fabric was studied
Surface Area and Surface Activity.
with one characteristics in mind that is to improve barrier properties as all these
• Available Fillers for Rubber Industry-Their Properties and Usage.
products have requirement of one common property – air retention. Ultra-fine
• Manufacturing Process, Physico-Chemical Properties and Morphology
CaCO3 has been used successfully in the manufacture of football bladder,
of Main Reinforcing Fillers Like Carbon Black & Silica
household gloves etc. It can be used in surgical gloves, latex thread , balloons etc.
• Important Nanofillers for Rubber Industries
Benefits are - reduced volume formulation cost, increased product volume and
tensile strength, improved air impermeability of gloves, balloons, bladder etc. and
smoother surface of the product. Recent Advancements on Rubber Materials
PROGRAM CONTENTS (INSTRUCTOR: DR. ARUP K. CHANDRA)
• What is Nano Filler This program discusses about various types of rubber materials and recent
• Nano-Composite developments. It covers both Natural and Synthetic RubberGROUP 2: RUBBER PROPERTIES, TESTING & LEGISLATIONS
Selection of Elastomers through Linear and Non-Linear Mixing Silica containing Rubber Compounds & Quality
Visco-Elastic Properties Assurance for Processing & Final Properties
(INSTRUCTOR: HENRI BURHIN) (INSTRUCTOR: HENRI BURHIN)
Characterization of polymers and moreover elastomers has deeply improved in the Rubber compounds containing high level of precipitated silica are notoriously
recent years by the implementation of visco-elastic property measurements. difficult to mix and process. This is essentially due to the chemical nature of silica as
Compared to the standard Mooney viscometer which provides only partial compared to Carbon Black (CB). Precipitated silica is strongly polar while CB is non-
information about elastomer processability, linear viscoelasticity measurements polar. Therefore silica is very little compatible with common elastomers. In order to
provide a unique tool for polymer discrimination and selection. This technique fully achieve the required level of cured properties, silica needs to be coupled to the
which is based on forced sine wave shear is able to provide not only viscosity values polymer backbone through silane chemical reaction. This reaction has to be
at variable shear rate but also polymer relaxation spectrum, the key component for performed in the internal mixer where controlling the shear energy input as well as
process flow. This technique is able to fully characterize polymer structure in terms temperature is a real challenge. Small difference in mixing conditions can easily
of Average Molecular Weight (AMW) and Molecular Weight Distribution (MWD) but produce compounds which are difficult if not impossible to process or cured
failed to easily and reliably quantify long chain branching. This polymer compound with inadequate level of physical properties. Within this session, we will
characteristic increases the longest relaxation time in the same manner than MWD review the chemistry of silica and silane in rubber compounds. We will analyze the
thus giving sometimes misleading results. Theoretically, the linear viscoelasticity effect of mixing conditions on the different stages of silanization reaction, the effect
domain is strictly limited at oscillation strains where the modulus and phase are on the masterbatch properties. Based on specific visco-elasticity test results,
independent of strain. The nonlinear viscoelasticity domain appears at much larger optimum mixing conditions will be proposed. The set of visco-elasticity test
strains. Under these conditions, the stress signal can be largely distorted and conditions will be able to separate processing property prediction to final cured
therefore the standard viscoelasticity equations are no longer valid. The stress properties, as early as the batch-off stage. Furthermore, several of silane type and
signal can be divided into a sum of harmonics following the well know Fourier silica will be studied. Finally, the effect of this set of compound and mixing
series. Highly interesting polymer information can therefore be found in the higher conditions will be measured on cured physical properties such as tensile, and tire
harmonics thus providing largely better polymer discrimination. Combining linear tread performance.
and nonlinear viscoelasticity is a unique tool which enables elastomers to be fully PROGRAM CONTENTS:
characterized into their most subtle differences. So depending upon the required • Silica in Rubber - History, Applications & Drawbacks
elastomer or compound properties, polymers can be selected based on clear • Silica in Rubber - Patents, Challenges, Chemical Process, Mixing
molecular architecture. Complex shaped extrudates will favor polymers with LCB to Application
prevent or control sagging. Sponge rubber compound properties such density will • Effect of Silica Dispersion and Mixing Time/Energy at Equal Filler
also be affected by elastomer LCB content. Extruder profile surface is, on another Dispersion
hand highly affected by MWD in the low molecular weight fraction. Therefore, with • Effect of Silane Type
the most comprehensive elastomer characterization, compounders have a superior • Effect of Masterbatch Maturation Time
ability to select the best elastomer for the foreseen application, can monitor the • Comparing Mixing Plant Silica Compounds (Before Cure / After Cure)
selected polymer(s) for possible characteristic deviations and have a more efficient • Tire Performance Achieved Improvements
tool to search for less expensive polymer alternatives having adequate properties. • Further Potential Improvements
PROGRAM CONTENTS:
• Linear Visco-Elasticity Rubber Compound Vulcanization and Modern Cure Time
• Non-Linear Visco-Elasticity
• Raw Elastomer Historical Tests Analysis and Prediction
• Polymer Response in Linear Visco-Elasticity (INSTRUCTOR: HENRI BURHIN)
• Polymer Response in Non-Linear Visco-Elasticity Vulcanization of rubber compound is the essential chemical process providing the
• Case studies (EPDM / Natural rubber /Poly-butadiene-BR/ FKM material the adequate level of physical properties for the foreseen article. This
polymers) reaction is induced by somehow low level of carefully selected chemicals rangingfrom Sulfur, various accelerators, peroxides, co-agents etc… By essence, chemical rolling resistance and grip, damping in anti-vibration devices will be discussed based
reactions are strongly dependent upon heat history. Since rubber compounds have on formulation and mixing variations.
often poor heat conductibility, thick rubber articles are prone to have strong PROGRAM CONTENTS:
temperature gradients during the vulcanization process which may badly affect • Behavior of Elastic, Viscous, and Viscoelastic Materials
cured physical properties. It is therefore extremely important to fully understand • Rubber Compound Viscoelastic Behavior - Before And After
the vulcanization reaction in order to be able to predict the optimum cure time for Vulcanization
both physical properties and process economics. This training session will review • Influence of temperature and speed (frequency) on rubber compound
the basics of vulcanization reaction with the history of tools developed for its viscoelasticity
control. It will cover as well basic modeling from Arrhenius and Vant’Hoff to Deng- • Influence of strain of viscoelastic properties of filler loaded
Isayev models. It will provide an example of simple although efficient, available compounds
software for cure prediction. The most used instrument for studying vulcanization • Tire grip – Principles, Importance of Deformation
remains curemeters. Several types of curemeter are available and still widely used • Tire rolling resistance - Factor affecting energy dissipation & Reducing
in the rubber industry. Curemeter type is strongly influencing cure parameters. It is energy dissipation
therefore important to verify the curemeter performance before using its results • Anti-vibration devices - Stress transmissibility, Frequency and
for cure predictions. Some curemeter drawback will be presented and method to resonance frequency ,Damping coefficient
control them will be presented.
PROGRAM CONTENTS: Reverse Engineering and Life Prediction of Rubber
• Vulcanization Types -Sulfur Vulcanization, Peroxide Vulcanization,
Resins Vulcanization, Exotic Vulcanization Components
• Tools to Study Vulcanization (INSTRUCTOR: K. RAJKUMAR)
• Vulcanization Modeling - Arrhenius and Van’t Hoff (Cure Kinetics) & Reverse engineering is a technique used in rubber industry to perform dimensional,
Deng and Isayez component, composition and functional analysis with a view to reconstruction of
• Software Modeling Using Cure Kinetics rubber product. The technique is beneficially used for the design and development
• Example of Cure Kinetic Analysis on Non-Sulfur Cure – Peroxide & of rubber products and also could be employed as part of quality assurance
Silane Crosslink (Pex-B) with Water program to bench mark the quality of a rubber product. The technique is used to
determine the construction and the composition of a competitors’ rubber product
and sometimes is used for failure analysis of customer returned defective product.
Visco-Elastic Properties of Cured Rubber Compounds for The basic quantitative composition of a compound is determined by
Optimized Part Performance thermogravimetric analysis (TGA), the qualitative analysis by Infrared (IR)
(INSTRUCTOR: HENRI BURHIN) spectroscopic method, and the rubber chemicals by gas chromatography coupled
Rubber article are very rarely used in static conditions but in most cases under with mass spectrophotometer (GC-MS). From the quantitative and qualitative
dynamic conditions. This strongly emphasizes the role for speed and amplitude of instrumental analysis of the unknown compound, the formula is reconstructed and
deformation when considering cured rubber compound property measurements. thereby a tentative composition is established. The reverse engineering technique
The role of speed is given by the visco-elastic nature of rubber articles. As rubber drastically reduces the compound development lead time and the analysis of
compounds are used in multiple applications ranging from seals, conveyor belts, competitor’s product through more light on the material composition. The life
anti-vibration devices, tires etc…, the understanding of their behavior in dynamic is prediction of rubber products is a very important activity in design, and
of vital importance. These properties will be influenced by their formulation. All development of rubber products for critical applications such as aerospace, nuclear
ingredients play a role but polymers, fillers and vulcanization system are the most reactors, brake system seals for automotives etc. In this method, a critical
important contributors. On a second hand, the rubber part real service conditions parameter which determines the useful life of a rubber product is determined and
must be carefully understood in order to choose the most relevant testing the rate of change of that critical property at different duration and temperature is
conditions. In this lecture, we will shortly review the basics of visco-elasticity. We monitored. From the kinetics of rate of change in the property, using Arrhenius
will explore the effect of frequency, strain and temperature on rubber compound Equation, the time required to drop 50 % of its original property is determined as its
visco-elastic properties. Finally, rubber compound property tuning such tire tread life at that particular service conditions. The selection of functionally criticalproperty, testing temperature and duration are very important in arriving at reliable
results. Environmental Legislations for Rubber industry
PROGRAM CONTENTS: (INSTRUCTOR: DR. ARUP K. CHANDRA)
• Definition, Concept and the Importance of Reverse Engineering, The whole world is now focusing on environmental issues because of climate
• Role of Analytical Instruments in Reverse Engineering change and highlighted the areas of highest concern. In this respect, the major
• Identification of Polymer / Blends concerns in tyre industries are the usage of nitrosamine (TRGS- 522) & PAH free
• Composition Analysis, Ash Analysis containing materials in rubber compounds. REACH, Tyre labelling, Tyre odour places
• Quantitative Estimation and Formula Reconstruction greater responsibility on industry to manage the risks that chemical may pose to the
• Concept of Shelf Life, Service Life and Importance of Life Prediction of health & environment.. Highly aromatic oils contain high levels of poly aromatic
Rubber Products, hydrocarbons (PAH) and are identified to cause tumours in various mice skin
• Methodology for Life Prediction – Arrehenius Approach, WLF painting tests. Therefore EU with directive 2005/69/EC prohibits the placing of poly
Approach aromatic hydrocarbon-rich tyre extender oils or tyres containing these oils on the
• Examples and Case Studies EU market from January 1, 2010. The Petroleum oil companies have developed
• Importance of Life Prediction in Warrantee Claim / Failure Analysis different extender oils which have very low PCA (poly cyclic aromatic) content to
• Storage and Service Life Prediction replace high PCA content aromatic oils. . The rubber additive which contains
nitrosamine or produce nitrosamine is to be replaced by safe material because
Estimation of Measurement Uncertainty on Rubber nitrosamine is carcinogenic. The tyre industries are now changing all compound
Testing formulations into PAH, Nitrosamine and Carcinogenic free in accordance with
(INSTRUCTOR: K. RAJKUMAR) European Union directive 2005/69/EC and TRGS - 522.Tyre development will be
PROGRAM CONTENTS: driven by the consumer who will want more fuel-efficient, higher-performance and
• Fundamentals of Measurement environment-friendly tyres. Tyre labelling will determine his purchase decision.
• Concept of Measurement Uncertainty Another important factor is tyre odour which is also gaining its foot hold in the
• Method of Estimation of Measurement Uncertainty as per ISO Guide industry.The demand is growing fast for environmental friendly tyre – tyre industry
of 1995 is also switching over to green compounds & manufacturing process.
• Basics of Statistics as Applicable to Estimation of Measurement PROGRAM CONTENTS:
Uncertainty • Major Environmental Issues / Legislations
• Syndicated Exercise on Estimation of Type-A & Type-B Evaluations • What is Extender Oil ?
• Case Studies involving Test Situations • Why We Need Them?
• Model for Estimation of Measurement Uncertainty in Testing of • PAH- Regulations & Legal Requirement
Rubber Products • Alternate Oil & Their Characterisation.
• Workshop on Estimation of Measurement Uncertainty In Physical and • REACH Compliance
Chemical Measurements • TRGS-522.
• Application of Measurement Uncertainty in Testing of Rubber Products, Asia • Tire Labeling
Pacific Laboratory Accreditation Cooperation (APLAC)’S Interpretation of • Tire Odor
Estimation Of MU in Rubber Testing. [Note: Participants are Requested to • ELV of Tire
bring Calculator for Practicing the Exercises during Course.]GROUP 3: RUBBER MOLDING & MOLDING OF RUBBER
Injection Cold Runner Blocks for Rubber PROGRAM CONTENTS:
(INSTRUCTOR: VAN T. WALWORTH) • Chase Mold Justification Considerations
Injection cold runner blocks are useful to reduce rubber material used during • Chase Molding - Compression Mold Designs and Details
molding processes. The designs of cold runner blocks vary widely based upon • Chase Molding - Transfer Mold Designs and Details
different applications and equipment. Cold runner blocks add significant cost to a • Chase Molding - Vacuum Molding Designs and Details
rubber mold and therefore should be considered properly to ensure appropriate • Chase Molding - Injection Molding Designs and Details
return on investment. Also, the care and maintenance of cold runner blocks must • Chase Molding as Short Run Production Molding Process
be considered carefully in order to take full advantage of this useful injection mold
technology. Vacuum Molding of Rubber
PROGRAM CONTENTS: (INSTRUCTOR: VAN T. WALWORTH)
• Cost Justifications for Using Cold Runner Blocks Vacuum molding is being used more and more around the world in the global
• General Construction Designs for Cold Runner Blocks rubber molding industry as better molding equipment is made available. There are
• Basic Solid Cold Runner Block Design Details good ways to make the best use of vacuum molding technology. Vacuum molding
• Basic Split Cold Runner Block Design Details technology can be used and/or added to most compression molding, transfer
• Care and Maintenance Of Cold Runner Blocks molding, and injection molding processes.
• Process Troubleshooting Cold Runner Blocks PROGRAM CONTENTS:
• Basic Advantages of Vacuum Molding Technology
Flashless Rubber Transfer Molding • Vacuum Chamber Technology
(INSTRUCTOR: VAN T. WALWORTH) • Vacuum In-Mold Technology
Flashless rubber transfer molding is not widely understood or applied in molding • Standalone Vacuum Systems vs Centralized Systems
operations. The designs and applications of flashless transfer molding are useful to • Troubleshooting Vacuum Molding
not only minimize rubber usage, but primarily minimize post molding operations
required to finish molded products. The care and proper use of flashless transfer Hybrid Transfer Rubber Molding
molds is very important and not typical of most rubber molding operations. (INSTRUCTOR: VAN T. WALWORTH)
PROGRAM CONTENTS: Transfer molding is one of the most widely used molding processes used in the
• Justification Considerations for Flashless Transfer Molding Technology global rubber molding industry. Traditional transfer molding employs a single ram
• Basic Types of Flashless Mold Designs to clamp the press and make the transfer of rubber from the pot to the cavity.
• Application Techniques of Flashless Molding Technology Global economies demand better products will less defects and higher quality.
• Maintenance of Flashless Molds Profits of rubber molding companies can be drained significantly due to molding
• Troubleshooting Flashless Mold Technology issues. Transfer molding can be greatly enhanced and improved by incorporating
some of the advantages of injection molding. This improvement technology can be
Chase Molding for Rubber Prototypes and Short-run incrementally innovated into transfer molding processes and equipment by
employing what I call Hybrid Transfer Molding technology.
Production PROGRAM CONTENTS:
(INSTRUCTOR: VAN T. WALWORTH) • Traditional Transfer Molding Overview
Chase molding systems are virtually unknown throughout the rubber industry. • Hybrid Transfer Molding Overview
There is no widespread use or application of this valuable technology for rubber • Modification of Existing Equipment for Hybrid Transfer Molding
molding. Chase molding is exceptionally useful for many types of rubber molded Technology
prototypes. Chase molding also provides some unique benefits for short run • Modification of Existing Molds for Hybrid Transfer Molding Technology
production quantities. Chase molding offers incremental economies for • New Molds and Equipment for Hybrid Transfer Molding Technology
compression molding, transfer molding, and even injection molding scenarios. • Troubleshooting Hybrid Transfer Molding ProcessTroubleshooting Compression & Transfer Rubber Molding without jeopardizing the process performance and part quality. The construction of
(INSTRUCTOR: VAN T. WALWORTH) a process window with a couple of experiments is shown and examples of process
Compression molding of rubber products was basically the first type of process used optimisation are discussed.
to mold rubber articles, and still remains today as the most widely used molding PROGRAM CONTENTS:
process in the world. Transfer molding in its traditional format utilizes the main • Process Model and Process Simulation Tool
press ram to simultaneously generate clamping force at the parting line while also • Experimental Procedure to Create an Operating Window
advances the plunger and piston of a traditional transfer process. There has always • Preconditions for Shorter Cure Cycles – Machine and Mold Design
been a need on the factory floor to troubleshoot molding problems, and perhaps in • Compound and Process Interactions.
today’s industry of reduced profits, higher quality expectations, and challenging • Demonstration of Cure Cycle Optimisation Software
competitors, the need for effective troubleshooting may be greater than ever
before. Mold Fouling: Reason and How to Fix – for Compounders
PROGRAM CONTENTS: (INSTRUCTOR: DR. HANS-JOACHIM GRAF)
• Troubleshooting Tools and Methods Overview Mold fouling yields low productivity, because of interruption of the manufacturing
• Considerations for Controlling Time in the Molding Process of rubber parts, long cleaning time, damaging of molds because of handling issues
• Considerations for Controlling Temperature in the Molding Process and the like. There is obviously an influence of the kind of steel the mould is built
• Considerations for Controlling Pressure in the Molding Process of, but a larger influence has the rubber compound. Ingredients in contact with hot
• Troubleshooting Compression Molding using Real World Examples steel reacting, plate out and the like give reason to mold fouling. A detailed
• Troubleshooting Transfer Molding using Real World Examples description of the ingredients and process conditions involved as well as the
mechanism behind mould fouling is discussed. At the end a check list how to avoid
Optimisation of a Rubber Injection Moulding Process mold fouling is provided.
(INSTRUCTOR: DR. HANS-JOACHIM GRAF) PROGRAM CONTENTS:
Injection moulding is used in rubber manufacturing for all kind of parts in case a • Organic Ingredients and Chemistry of Mold Fouling
large number of parts needed to be produced. Mostly this injection moulding is • Structure of Fillers and Plate out in Moulding
seen as complicated because of an influence of a large number of parameters • Solubility of Ingredients and It Effect on Mould Fouling
beside variations from rubber compound and environment. The application of • End Groups of Polymers Regarding Mold Fouling
statistic experimental design to the process helps to narrow the number of • Process Conditions Supporting Mold Fouling
parameters. The knowledge of the process window and its dependencies on • Checklist of Ingredients to Avoid Mold Fouling
compound, tool and machine allows the optimisation of the moulding process
•
GROUP 4: RUBBER PRODUCTS, APPLICATIONS & DESIGN
Design, Testing and Validation of Automotive Hoses • Safety Factors
[INSTRUCTOR : DR. P. THAVAMANI] • Manufacturing & Testing Of Hoses
PROGRAM CONTENTS: • Latest Specifications and Happenings in International Standardization
• Types of Automotive Hoses on Automotive Hoses
• Design of Different Types of Hoses
• Requirements of Cover & Liner Compounds Design, Testing and Validation of Automotive Seals
• Processing of Rubber Compound [INSTRUCTOR: DR. P. THAVAMANI]
• Reinforcement of Automotive Hoses PROGRAM CONTENTS:
• Braiding & Neutral Angle • Different Types of Seals – Static / Dynamic,
• Material Trends of Automotive Hoses • Seal Selection Criteria
• Functional Requirements • Factors influencing Seal Performance• Automotive Oil Seals Process Control Design of Rubber Products
• Crank Shaft (INSTRUCTOR: DR.SIBY VARGHESE)
• Valve Stem Seal Rubber compounds after mixing and milling, but before curing are tested by
• Lip Seal, Water Pump Seals physical test methods to have a check on the processing behavior. These tests have
• Shock Absorber Seals a great effect on the process design of a compound for a particular process. Some
• Material Trends of the more important tests of this nature are viscosity or plasticity, specific gravity,
• Manufacturing Process scorch time, tack, green strength and shrinkage. Rubber compound being complex
• Testing and Validation Requirement in nature is difficult to characterize for any short fall happened during weighing of
chemicals, mixing etc. The purity of raw materials is also a matter of concern. The
Design, Testing and Validation of Automotive FEAD belts rubber compound has to be repaired for any short fall before vulcanization.
[INSTRUCTOR: DR. P. THAVAMANI] Accordingly specific gravity of rubber compound is helpful to detect the weighing
PROGRAM CONTENTS: errors which can be corrected at appropriate time before processing takes place.
• Introduction about Fan Belt Viscosity test will reveal the processing behavior of the unvulcanized rubber
• Automotive Engine Accessories Drive Belts compound. Accordingly all the processing properties will be discussed for
• Cam Shaft / Crank Shaft Synchronisation - Timing Belt compound design. The use of all modern equipment such as RPA, Rheometer, TGA,
• Designers Challenge, Advancement In Belt Design FTIR, Dispergarder etc for process control design of rubber will be summarized.
• Rubber-Fiber Short Fiber Composites
• Automotive Timing Belts Rubber Based Adhesives
(INSTRUCTOR : DR.SIBY VARGHESE)
High Pressure Hydraulic Hoses - Manufacturing Process, Adhesives are playing an ever increasing role in modern technology. An adhesive is
Product Testing and Validation a substance capable of holding materials together by surface attachment.
[INSTRUCTOR: DR. P. THAVAMANI] Adhesives generally constitute a number of materials in which rubber based
PROGRAM CONTENTS: adhesives offer the greatest variety of properties. Rubbers both natural and
• Hydraulic Hoses -Working Pressure and Burst Pressure Classification synthetic and their derivatives in latex form (latex based adhesive) or as dry form
• Material Requirements of Cover & Liner Compounds dissolved in organic solvents are generally used as adhesives. Rubber based
• Pressure Test Requirements adhesives contain other ingredients like tackifiers, fillers, plasticizers, antioxidants,
• Reinforcement of Hydraulic Hoses, Braided and Spiral Reinforcement curing agents, stabilizers etc. Each of these ingredients affects the adhesive
• Calculation of Pressure properties to a great extent. While selecting the ingredients for an adhesive a
• Material Trends of Hydraulic Hoses number of factors such as nature of the substrates, adhesive strength, effect of
• Functional Requirements different ingredients, suitability of application, cost etc are to be considered.
• Safety Factors PROGRAM CONTENTS:
• Latest Specifications and Happenings In International Standardization • Preparation of cost effective high quality rubber based adhesives
on Hydraulic Hoses (both latex and dry rubber based) for different applications.
• Flexible and Rigid Mandrel Manufacturing Processes • Optimization of the formulation and storage effects on the properties.
• Dynamic and Static Testing and Validation of Hoses and Hose • Evaluation of initial and long term effects on adhesive strength under
Assemblies different environmental conditions such as humidity, temperature,
oxidative effects etc.
• Development of adhesive formulations with blends of natural and
synthetic rubbers and effect of vulcanization of the polymers on
adhesive properties.
• Design of experiments using a Face Centered Composite Design (FCCD)
to predict the variations of adhesive properties with different
ingredients.GROUP 5: LATEX PROCESSING TECHNOLOGY
Latex Compounding Ingredients and Compounding for Advances of Synthetic Latexes by Emulsion Polymerization
Different Latex Products (INSTRUCTOR: PROF CC HO)
(INSTRUCTOR: RANI JOSEPH) Synthetic latexes are used extensively in many industries, ranging from paints to
This program discusses about basic chemistry of latex compounding and adhesive to paper coatings and carpet backings. They are synthesized from a wide
formulations for various latex-based products. varieties of monomers selected to satisfy end-use needs. The most common
PROGRAM CONTENTS: manufacturing process used is by emulsion polymerization. The bulk of synthetic
• General Properties of Various Latices latexes in the market are manufactured by this process and its many variations. By
• Various Compounding Ingredients Used in Latex Compounding varying the polymerization recipe and protocol and the manufacturing conditions,
• Compounding for Different Latex Products (Condoms, Gloves, Balloons latex particles of different sizes and shapes, different particle size distribution,
etc) particle morphology and molecular architecture can be prepared as tailored. This
course attempts to provide some basic knowledge on the science of the process.
PROGRAM CONTENTS:
Dipped Latex Goods Production and Quality Control • General introduction to synthetic latexes
(INSTRUCTOR: RANI JOSEPH) • Mechanism of particle nucleation in emulsion polymerization
This program discusses about manufacturing of dipped latex products, commonly • Variation of the emulsion polymerization process
observed defects, process troubleshooting and testing of dipped latex products. • Latex particle morphology and nanostructure diversity and
PROGRAM CONTENTS visualization
• Different Methods of Dipping • Some examples of synthetic latex production
• Dipping Process with Flow Chart • Advantages of emulsion polymerization technique
• Defects observed and Its Remedy •
• Design of Suitable Formulations for Selected Products Advances in Latex Dipping Process for Gloves
• Testing of Dipped Latex Products (INSTRUCTOR: PROF CC HO)
The largest usage of natural rubber latex is in glove dipping. Huge quantities of
Latex Foam and Thread Production and Quality Control medical gloves are manufactured and exported to the global market every year,
(INSTRUCTOR: RANI JOSEPH) mainly by Malaysia and Thailand. The pre-requisites for a barrier material to be
This program discusses about manufacturing of latex foam and latex thread. It also used by healthcare professionals are high-lighted. The principle of latex dipping and
discusses about process control, troubleshooting and testing methods. process flow will be outlined. The manufacturing processes for different types of
PROGRAM CONTENTS medical gloves will be illustrated. The different online dipping parameters to
LATEX FOAM convert latex to gloves will be explained. Discussion will also include former design
• Dunlop Process - Batch and Continuous Process for Production of and material choice and glove surface treatment for quality improvement.
Latex Foam PROGRAM CONTENTS:
• Talalay Process for Foam Production • Prerequisites of a barrier material
• Coir Foams , Carpet Underlay production • Principle of latex dipping and process flow
• Defects Observed and Remedy • Former materials and designs
• Quality Control Tests • Manufacturing processes for different gloves
LATEX THREAD • Latex to gloves – online dipping variables
• Manufacture of Latex Thread • Glove surface treatment
• Design of Typical Compound Formulation for Latex Thread
• Commonly Observed Defects And Its Remedy
• Testing and Quality ControlLatex Stability and Its Control in Glove Processing provide an understanding of the underlying principles that allow these issues to be
(INSTRUCTOR: PROF CC HO) resolved in the plant.
A very large number of gloves are produced every year for the medical sector. The PROGRAM CONTENTS:
feedstock for these products is latex, both natural and synthetic. Latex itself is a • Introduction to colloidal behavior of dispersion
colloidal dispersion and is governed by the principle of the colloidal domain, • Latex as a colloidal dispersion and its properties
including its stability. In industrial processing of latex into a product such as glove, • Stability features of latex dispersion: the role of the charged latex
the latex must remain stable to allow it to be successfully converted into a product particle surface
without defects. It is important to understand the factors and conditions that • Factors that control the stability of rubber latex
control the stability of the latex during dipping, storage and transfer through • How to destabilize latex
pipeline from one station to another within the factory. This short course aims to • How to handle latex stability issues in the dipping plant
GROUP 6: TIRE TECHNOLOGY, REGULATIONS & MECHANICS
Halobutyl Based Innerliner Technology for Tubeless Tires Heat Resistant Chlorobutyl Based Innertube Technology
(INSTRUCTOR : DR. SAMIR MAJUMDAR) (INSTRUCTOR: DR. SAMIR MAJUMDAR)
The original radial tire design was developed by Michelin in 1946 but, because of its Butyl inner-tubes have long been used in tyre industry for tube type tyres.There are
advantages, has now become the standard design for essentially all automotive several formulations based on different use of polymers for inner-tube. However,
tires over the world today. Even today, both tube type and tube less type tires are Inner-tube with 100% Clorobutyl or popularly known as Chlorobutyl inner-tube has
made and the dominant of tube type tires are mostly in Asia pacific countries. gained market acceptance due to its better ageing character, better splice integrity
However, Radial tire, with better uniformity with tubeless type are dominating the character and better durability character in TB/LTB/OTR tyres. Steep rise in butyl
world market. Generally, halobutyl protective layer will be there in all tubeless tires. price has also contributed to make Chlorobutyl Inner-tube than making butyl inner
Because halobutyl has the best air retention properties as inner-liners, halobutyl tube. Chlorobutyl rubber Mixing , processing and application for inner tube is
inner- liner will be used exclusively in all types of tubeless tire be it PC, TB,LTB or typically a very high technological area .
OTR tires world wide. Mixing , processing and application of halobutyl inner liner is PROGRAM CONTENTS:
typically a very high technological area in making radial tires. We would focus here • Reasons for Using Chlorobutyl (CIIR)
on the processing of Innerliner technology with respect to : • Structure and Synthesis of CIIR
PROGRAM CONTENTS: • Properties of CIIR
• Properties of Inner-liner • Applications of CIIR
• Relation with tyre Durablity • Different Polymer Combinations Used for Butyl Innertube
• Inner-liner Compounding • CIIR Based Inner-tube Formulation
• Inner-liner Compound Mixing • Scorch Control Activity of MgO
• Processing Problems • Processing Guideline
• Inner-Liner Calendaring • Mixing
• Extrusion of Inner-Liner • Extrusion
• Few Important Points on Calendaring / Extrusion of Inner-liner • Valve Application
• Inner-liner Splicing • Splicing
• Tire Building Splicing • Curing
• Inner-liner Tack Problem • Process Control activities
• Blister Problem and CareYou can also read
