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Thermoplastic elastomer (TPE)

TPE (thermoplastic elastomer)

Thermoplastic elastomer (TPE)
First, Thermoplastic Elastomer (Thermoplastic Elastomer) is a material that combines the properties of thermoplastics and traditional vulcanizates. It is the so-called third-generation rubber following natural rubber and synthetic rubber, abbreviated as TPE or TPR (Thermoplastic Rubber). Commercial varieties of the TPE family include TPEE, TPAE, TPU, TPR, TPV, POE, and SBC. Features are as follows:
1, no vulcanization
2, easy to mix
3, physical properties between vulcanized rubber and plastic
4, materials can be recycled
The thermoplastic elastomer eliminates the traditional rubber vulcanization process during processing, and can be formed by injection, extrusion, blow molding, molding, etc., in the same way as plastics. The molding rate is faster than that of conventional vulcanized rubber, and the molding material can be reused. .
Second, TPE (TPEE, TPAE, TPU, TPR, TPV, POE, SBC) family can provide the following feature level products:
1, transparent series: the appearance of transparent, smooth surface, soft touch, non-toxic, anti-slip, hardness adjustable;
2, weather series: excellent weather resistance, heat resistance, wear resistance;
3, food grade: FDA, NSF meet;
4, coating level (secondary injection bonding): can be a variety of (PP, PS, PC, ABS, PA, EVA) materials, secondary injection bonding, in order to increase its comfort, safety, wear resistance, Aesthetics, slip resistance;
5, extrusion grade: Excellent electrical insulation, excellent flexibility, flexibility
Third, application:
1, transparent series: toys, soft insoles, insoles, toe sheath, ball pen grip ring, bait, sex toys, shoe roots, ice box;
2, weather series: automotive seals, outdoor use parts;
3, food grade: ice box, various food containers;
4, coating level: a variety of grips, shell coating, toothbrush handle coating, cap gaskets, stationery;
5, extrusion series: chest expansion, automotive carpet, wire and cable, computer cable.
In summary, TPE family materials can be used in the following areas:
Children's toys, massage equipment, sporting goods, luggage accessories, cutlery products, tool handles
Daily necessities, auto parts, industrial casters, plastic modification, sealing strips, anti-slip mats
Fourth, other understanding
With the advocacy of environmental awareness, we recommend the use of TPE family materials in relevant areas as much as possible. TPE and soft PVC are compared as follows:
PVC (soft)
Chlorine-containing hydrocarbons
Use injection molding machine
Use injection molding machine
Plasticizers containing phthalates
Non-toxic and odorless
Bad smell during processing
Odorless processing
Corrosion equipment
Does not corrode equipment and reduce equipment maintenance costs
Easy to pollute the environment
Harmless to the environment and human body
Strict waste disposal procedures
Waste is easy to recycle
Low temperature resistance
Up to -50°C, excellent weatherability and low temperature resistance
1.3 to 1.4
0.9 to 1.1
Environmental protection
Import restrictions in European countries
Environmental groups recommend using
Single material description
1, TPV
1. TPV (EPDM/PP type thermoplastic dynamic vulcanizate) uses EPDM as the rubber phase, PP as the continuous phase, and a stable elastomer obtained after dynamic vulcanization.
Dynamic vulcanization means that the rubber is vulcanized during the melt-mixing of the rubber phase and the non-vulcanizable thermoplastic polymer to obtain a granular vulcanized rubber phase, and the morphology of the rubber micro zone is very stable, and no materialization changes occur during processing.
Second, TPV performance characteristics:
TPV successfully combines some properties of vulcanized rubber, such as heat resistance and low compressive deformation with the ease of processing of thermoplastics. Excellent anti-dynamic fatigue resistance, high tear resistance, excellent weatherability, good abrasion resistance, excellent corrosion resistance to water-based acid-base liquids, polar oils, at -40°C It is possible to use in the range of ~ +150°C.
EPDM/PP type thermoplastic dynamic vulcanizates (TPV) have the environmental resistance equivalent to the universal EPDM rubber material, and their oil and solvent resistance are comparable to general-purpose neoprene rubber.
1, rubber feel, plastic processing methods.
2. Mechanical performance within the effective operating range of -40°C to +150°C.
3, for water-based liquids, oils and hydrocarbons with neoprene grade oil and solvent resistance.
4, compression deformation and permanent deformation is small.
5. Exposure at 150°C for two weeks or exposure at 125°C for a longer time reveals its excellent heat resistant air aging properties.
6, excellent anti-dynamic fatigue properties.
7, high tear strength.
8, excellent ozone resistance and weather resistance.
9, with polypropylene (PP) or nylon (PA) has excellent adhesion.
Third, TPV is mainly used in:
Automotive parts: Glass slide rails, glass edge seals, hood seals, hoses, hoods, dust covers, shock mounts, air ducts, etc.
Mechanical tools: Impact rods, casters, gaskets, handles, grips, hoses, rubber rollers, take over fittings, etc.
Buildings and structures: glass seals, door seals, arch bases, pipe washers, sanitary fittings, building expansion joints, etc.
Electronic appliances: cable jacket, mobile phone antenna, motor shaft, bearing, splicing tape, button pad diaphragm, transformer shell and so on.
Sports equipment: ball skin, racket handle, rifle butt pad, underwater breathing apparatus, ski pole handle and so on.
1. TPEE (thermoplastic polyester elastomer) is a block copolymer containing a polyester hard segment and a polyether soft segment;
1, TPEE:
A, rubber elasticity (TPEE has better processing performance and longer service life than rubber);
B. The strength of engineering plastics;
C. Polyether soft segment and uncrystallized polyester form an amorphous phase, and the hard segment of the polyester crystallizes to form a crystalline micro region, which acts as a physical cross-linking point; D, the soft segment gives it elasticity, making it like rubber;
E. The hard segment gives it processing properties, making it like a plastic (better strength, flexibility, dynamic mechanical properties than engineering plastics).
Second, TPEE performance and characteristics:
1, with high strength, high elasticity, oil resistance, acid and alkali resistant, high temperature, radiation resistance, dynamic mechanical properties and other characteristics;
2, the use of temperature range: -50 °C ~ +180 °C,
3, hardness range of 30-75D, divided into high-performance grade, extrusion grade, blow molding grade, flame retardant grade and modified grade:
High-performance grade: high structural strength, good creep resistance, excellent resilience, impact resistance and bending fatigue, wear resistance, and dimensional stability. Flexibility at low temperatures, good performance at high temperatures, resistance to corrosion from many industrial chemicals, oils, and solvents.
Extrusion grade: In addition to the characteristics of high performance grade, the melt strength is better and it is specially used for extrusion molding.
Blow molding grade: In addition to its high performance grade, it also has good melt strength.
Modified grade: It is a multi-block copolymer and is an excellent plastic modifier for improving the impact resistance of POM and PBT.
Flame-retardant grade: It is a blend of high-performance grade and self-made flame-retardant masterbatch to meet the requirements of material flame retardant:
a, UL-94 V-0 level (Oxygen Index 27);
b. Dielectric strength 20MV/m;
c. Volume resistivity: >1×1012 Ω.m.
Third, the use of TPEE (mainly applied to flexible components with higher mechanical strength and durability requirements):
Automobiles: CVJ dust cover, steering gear sheath, shock absorber sheath, dust cover, traction coupling cover, remote bellows, engine intake air duct, airbag cover, automobile satellite antenna cable clasp, rear garment Box lock assembly, door lock assembly, door handle seal ring, shock absorber plate, silencer gear, pipe plug, plug, ball head, window glass shock absorbing seat, damping chassis, chassis armor coating, etc.;
Electrical appliances: electric welding machine cable sheathing, electrical appliance elastic buttons, cordless telephone radome, wire and cable, instrument and equipment;
Industrial manufacturing: seals, conveyor belts, elevator ramps, high pressure washers, tape recorder silencer gear, clock silencer gears, cigarette machine springs; other consumer products: power tools, sporting goods, daily necessities, plastic alloys (blending, bonding PC, PVC, ABS, PBT, PET and other polar plastic).
Material and description
product description
Toughness TPEE
Bending fatigue performance (best in all commercial materials), excellent creep resistance
Foldable long-life parts, electrical parts, ski equipment
Both low temperature strength and flexibility, fatigue, creep resistance
Cable TPEE
Heat and creep resistance, low temperature flexibility, stable copper, non-stick insulating layer
Spiral cable sheath, optical fiber sheath, high-grade electrical and electronic wires
Chemical resistance, UV resistance, impact resistance, flexibility, stability to copper
Heat and creep resistance, low temperature flexibility, stable to copper, non-stick insulating layer, flame retardant
Modified TPEE
Improve impact resistance and noise reduction of POM
Silence gears, high impact products, outdoor relatively wear parts
Improve the impact resistance of PBT, PET, and PA
Blowpipe TPEE
High strength, pressure resistance, and creep resistance at low temperature
All kinds of special-shaped pipe, car air hose (negative pressure blow molding)
High strength, pressure resistance, creep resistance at high temperatures
Fatigue resistance, heat-resistant oil, heat resistance, small permanent deformation, strong melt
TPV- 73A
Various types of seals, automotive seals, wire and cable, wire harnesses
Resistant to outdoor aging, excellent ozone resistance
Flame retardant, high thermal stability, light stability, breakdown voltage >25KV
TPV- 55D
Strong toughness, aging resistance, oil resistance, fatigue resistance, high shock absorption
TPR- 45A
Automotive shock absorbers, shock pads, toughening agents for polyolefins (PP, PE)
Super toughness, aging resistance, oil resistance, fatigue resistance, high shock absorption
TPR- 55A
Modified, cold resistant, low temperature resistant, low hardness
TPR- 50A
Modification, cold resistance, low temperature impact resistance, high hardness
TPR- 70A
Non-toxic (FDA certified), anti-aging, oil-resistant, anti-wear
High-grade shoes, pipe, bar, fire wire and cable.
High elastic modulus, good resistance to grease, hydrolysis, UV (ozone)
Special Fire Retardant Performance (UL V-0 Compatible), Halogen Free, Matte Type
Special Fire Retardant (UL V-0), Halogen-Free, Glossy
Note: 1. For other specifications, please contact the Recenerta Technology Development Center;
     2, the above materials are mostly transparent color, can also be dyed according to requirements;
     3, glass fiber reinforced class, according to the requirements of the choice of long fiber or chopped fiber.
(Agent) Materials and Description
Related models and description
Taiwan Breguet
85A, 95A, 64D, 71D
Rainbow in Taiwan
75AI, 80AI, 85AI, 90AI, 95AI, 98AI, 60DI, 64DI, 71DI, 74DI
Chenguang Kexin
30D, 35D, 40D, 50D, 60D, 70D, 80D
Chenguang Kexin
55A, 65A, 70A, 75A, 80A, 85A, 95A
38A, 50A, 55A, 64A, 73A, 80A, 40D
Note: 1. If you need other specifications, please contact Auto Technology Development Center;
Halogen-free flame retardant cable grade TPU
- Does not contain plasticizers
- Halogen free
- Does not contain heavy metals
- Recyclable
☆ excellent physical properties
— High tensile strength
- Excellent wear resistance
— High tear strength
- Low temperature flexibility
— Excellent weather resistance
☆Featured products
UL-94V0 resistance level
- matte products
- transparent products
— Hardness can be as low as 77A
☆ Safety regulations certification
— FMVSS302 (Automotive Interior Flame Retardant Standard)
— DIN EN 57472-813 → DIN EN 50267-2-2 (corrosiveness of combustion gases)
— DIN EN 50267-2-1 (combustion gas halogen content)
— DIN EN 50267-2-2 (acidity of combustion gases)
— DIN EN 50268 (Cigarette smoke density)

TPU Products

TPU Products