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Thermoplastic elastomers General Introduction


THERMOPLASTIC ELASTOMERS

AND TYPICAL APPLICATIONS

CONTENTS
1. What is Thermoplastic Elastomers (TPE) ?

2. TPEs in the Market

3. TPE Market Se

ctors & Typical Applications

4. Elastron TPE ? versus Santoprene?

THERMOPLASTIC ELASTOMERS (TPES)

Definition
1. A material that processes like a thermoplastic but has the physical properties of a thermoset rubber

2. Chemical composition of two or more polymers
3. thermoplastic component and thermoset rubber component 4. Recyclable

热塑性弹性体 - TPE & TPV CLASSIFICATION
热塑 硫化

TPE

TPV

?

种类: ? 软性聚烯烃 ? 聚氯乙烯基 TPO PVC/NBR

性能上最接近 EPDM

? 聚苯乙烯基/三嵌段工聚物 SEBS
? 聚胺酯基 ? 聚酯 ? 聚酰胺

SBS,
TPU COPE COPA

?

TPV 亦被称为 :
? 弹性合金 : EA ? 动态硫化合金 : DVA ? 交联化 EPDM/PP: EPDM-X + PP

THERMOPLASTIC VULCANIZATES (TPV)
? An engineered elastomer
? A dynamically vulcanized alloy ? Partially or fully cured rubber phase

? Continuous thermoplastic phase

Morphology

Cured Rubber Plastic Matrix

1?

BENEFITS OF ENGINEERED TPES OVER NONENGINEERED TPES
More homogeneous dispersion of rubber Smaller particle size Encapsulation of a thermoset rubber phase in a thermoplastic phase Stable morphology

The main features of Elastron ? TPV are: ? ? ? ? ? ? ? ? ? ? ? ?

Excellent flexural fatigue endurance Resistance to high temperatures up to 135°C. High impact strength Low specific gravity Excellent resistance to chemicals and weathering Outstanding electrical properties Abrasion resistance Available in soft, medium and higher hardness grades Good colorability Easily recyclable Co-injection molding and multi-extrusion with polyolefins Low tension and compression sets

THERMOSET RUBBER- VS. TPE PART PRODUCTION
Thermoset Rubber Process Gum Rubber Oil Fillers Chemicals Mixing TPE Process Raw Material TPE

On-Line Recycling

Shaping
Waste Vulcanisation Part

Shaping Part Recycling Part

TPE MARKET SEGMENTS

1. AUTOMOTIVE ENGINEERED RUBBER PARTS 2. INDUSTRIAL RUBBER PARTS 3. CONSUMER PRODUCTS

AUTOMOTIVE APPLICATIONS

Automotive: 转向系统 防尘套 Rack & Pinion Boot Black 90A to 40D

Illustration of Success
净气管 的 应用 范 例

Application: Fresh Air Duct Product: 40 shore D, Black OEM: Chrysler Model: Intrepid Replacement: NA Specifications:
? Flexible ? Oval cross section ? Mated air cleaner inlet to fender well opening ? No clamps – typically not required for fresh air side

ILLUSTRATION OF SUCCESS
堵 盖 应用
Notes:
Application: Hole & Body Plug Product: 73A -86A shore, Black OEM: Toyota Model: Various Models Replacement: EPDM Specifics: ? Reduced part weight & cost ? Sealing performance ? Improved ergonomics ? Recycability ? Design flexibility

CONSUMER APPLICATIONS

KEY PRODUCT BENEFITS
Cost/performance effective Design flexibility Weight reduction Wide operational temperature range - 60癈 to 135癈 Ease of processing Produces high quality parts with tight tolerances Recyclability Heat weldable Colourable grades

KITCHEN EQUIPMENT
Application Description

? Grips on kitchen tools, gadgets and equipment
Elastron TPV Fit

? Higher-end brands that sell to specialty retailers
Key Features & Benefits

? Good chemical resistance to common kitchen fluids like oils, acids, dishwasher detergent ? Design flexibility for better ergonomics and aesthetic appearance ? Non-slip grip, even in wet applications
Watch-outs

? Cannot compete with silicone where heat resistance in oven is required ? Do not position on lower-end products sold through mass-merchant outlets
Supply Chain

? Materials specified by OEMs in many cases but some OEMs leave decision to molders

KITCHEN EQUIPMENT GRIP
Production Process :

Injection molding (single, 2K or overmold)
Product(s) : 50 to 65 Shore FDA/EU Grades as regulations require

HAND TOOLS:
Application Description ? Functional and aesthetic parts for ergonomic grip and handling Required Attributes & Elastron TPV/SEBS Fit ? Surface Appearance (injection molded) ? Flowability ? Abrasion / Tear Resistance ? Colorability ? Coefficient of Friction / Wet Grip ? Chemical Resistance ? Weatherability Key Features & Benefits : ? Soft touch for improved comfort and reduced fatigue ? Resistant to perspiration, water, oil, chemicals, garden pesticides, UV, and ozone ? Non-slip surface for greater control and safety, even in wet environments ? Total design flexibility for superior ergonomics and improved appearance Watch-outs ? Applications are highly trend/ design dependent; need for fast commercialization ? Focus on applications with clear value vs. SEBS (Elastron TPVs are defensive vs. SEBS in cost and colorability options/ flexibility) Supply Chain ? Materials specified by OEM (designers)

Grips for:
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Screw Drivers Wrenches Saws Pliers Hammers Trowels Levels Line Lasers Chisels Files Tape Measures Stud Finders Box Cutters Planers Snips Wire Cutters Wire Strippers Tool Box Handles Staple Guns Crimpers Shears

Other Applications:
? ? ? Level Ends C-Clamp Pads Measuring Wheels

Application Pages:

?
? ? ?

Sanding Blocks
Pry Bars Paint Brushes “Flashlights

HAND TOOLS
Ergonomic Grip Two-Shot Insert Molded Ergonomic Grip

Production Process : ? Injection molding ? 2K injection molding
– – Over molding Insert molding

Product(s) :
Replacement of : ? SEBS / TSR

Ergonomic Grip Safety Grip

CONSUMER APPLIANCE
Application Description ? Functional and aesthetic parts for strain relief, sealing and handling
? ? ? Grips, handles, feet, knobs Seals and gaskets, grommets Strain relief

Kitchen Applications
Irons Mixers

Blenders
Coffee Makers Toasters Electric Grills Electric Griddles Food Processors Electric Knives Rice Cookers Steamers

Elastron G Fit ? Bonding to a large variety of polymers (PP, PC, ABS, PS, PA, PPO,..) ? From hot to very cold temperature range ? Resistant against cleaning agents, detergents, chemicals Key Benefits : ? ? ? ? Excellent bonding properties Chemical and detergent resistance Resistance to cut growth and fatigue Design Freedom
? ? ? ? ? ? ? Part consolidation / lower system cost Tight molding tolerances Fast molding cycle times Very thin molding layers Innovative surface looks Soft feel/ Soft touch Tactile and comfortable

Personal Care Applications
Hair Dryers Curling Irons Curlers Straightening Irons Electric Toothbrushes Electric Razors

Application Pages:

? Aesthetics/ Ergonomics

Handles/ Feet

Knobs

Watch-outs ? Applications are highly trend/ design dependent; need for fast commercialization ? Focus on applications with clear value vs. SEBS ( TPVs are defensive vs. SEBS in cost and colorability options/ flexibility) Supply Chain ? Materials specified by OEM (designers)
Soft edges Strain relief

CONSUMER APPLIANCE
Strain relief and grip Soft Touch Knobs

Production Process : ? Injection molding ? 2K injection molding
– – Over molding Insert molding

? Extrusion Product(s) :
? Colorable grade, 64A to 75A shore A ? Bonding To PP And Blends (GF, Talc/ Mineral Filled) – All Sarlink TPVs Handle and Feet Soft edges for furniture cleaner ? Bonding To PC, PS, ABS, PC/ABS, PPO, Acrylic

Replacement of : ? SEBS

FOOD & BEVERAGE

Closure Seals

Closure liners

CONSUMER ELECTRONICS MISC.
Production Process : ? Injection Molding ? 2K Injection Molding ? Extrusion Product(s) : Replacement & Competition : ? Competitive SEBS, TPU and TPVs ? Local material ? Local EPDM rubber

FLOOR CARE

Production Process :
? Injection molding ? 2K injection molding – Over molding – Insert molding

Product(s) : Replacement of :
? EPDM Thermoset Rubber ? SEBS

FLOOR CARE
Application Description
? Used mainly in molded applications ? Functional and aesthetic parts for strain relief, sealing and handling ? Seals and gaskets, grommets ? Grips, handles, feet, knobs ? Wheel, bumpers Sarlink Fit

? Watch-outs:
– – 2K solutions to be pursued only when high number of parts will be produced Material replacements can be very quick, need to focus on applications we have a clear competitive advantage

? Supply Chain
– OEM is in general driving the new development and specify the material.

? Bonding to a large variety of polymers (PP, PC, ABS, PS, PA, PPO,..) ? Excellent sealing, fluid, abrasion, heat and tear resistance is required ? Compliance with International Standards is required for i.e. UL HB94 Key Features and Benefits :

Application Pages:

? Long term properties retention ? Part durability ? Design freedom: ? Part consolidation ? Materials combinations ? Part cost reduction ? Vibration damping ? Special effects possibilities ? Soft feel ? Available globally

INDUSTRIAL APPLICATIONS

CONSTRUCTION 建筑工程
EXPANSION JOINT APPLICATION - 伸缩缝之应用
?Between bridge platforms 桥面之间 ?Between road surfaces 道路路面之间 ?Between parking decks 停车场甲板之间 ?Between buildings 大厦之间

FLUID DELIVERY 流体传送

Pipe Seal for Pipe Joint 水管接缝密封条

Sewer Gasket 污渠管密封条

PP Sewage Pipe 污渠管

ELECTRICAL 电器
? Welding Accessories 焊接零件 e.g. Strain Release 出线位 Grade Used 曾用规格: 73 Shore A

MEDICAL 医疗

Medical Parts 医疗用品及零件

MEDICAL 医疗

Syringe Plunger Tip 针筒活塞

Plunger Tip 活塞 PV101.A60.B

MRG 机械性能橡胶件 Printer Roller 打印机滚轴/滚筒

ELASTRON PRODUCT SERIES
Elastron TPE Series
1. V101- series General Purpose ( 35A to 51D)

Santoprene TPE Series
1. Santoprene 101/201-series

2. V201-series High Performance (40A to 73A) 2. Santoprene 101/ 201-series 3. V100-series High Grade (50A to 40D) 3. Santoprene 121-M100

4. V251-series Auto Weatherseals (58A to 77A) 1. 5. P.V.101-series Food & Medical (60A-65A) 2. 3.

Santoprene 121- series Santoprene 271-/ 181/281series Santoprene 251-series

6. V601-series Flame Retardant Non-Halogen (60A-A90)
7. Elastron G High Flow/Cosmetic

4.

Santoprene 8000 series


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