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The difference and characteristics of TPEE and TPE
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- Time of issue:2021-07-09 09:53
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(Summary description)
The difference and characteristics of TPEE and TPE
(Summary description)
- Categories:Company News
- Author:
- Origin:
- Time of issue:2021-07-09 09:53
- Views:
The difference and characteristics of TPEE and TPE
When consulting TPEE materials, many customers often ask what is the difference between TPEE and TPE?
First of all, TPE has such a meaning, that is, a collective term for all thermoplastic elastomers, including TPR, TPU, TPV, TPEE, TPO, TPAE, etc. The full Chinese name is Thermo-Plastic Elastomer. Due to problems such as history and usage habits, there is currently no unified name for thermoplastic elastomers at home and abroad. Most areas are used to collectively refer to thermoplastic elastomers with the English abbreviation TPE. There is also a saying that TPE is the general term for thermoplastic elastomers, TPU is thermoplastic polyurethane, and TPV vulcanized thermoplastic elastomers. TPR is generally considered to be thermoplastic rubber in China and uses SBS as the substrate.
TPE characteristics: rubber has high elasticity, high strength, high resilience, and has the characteristics of injection molding, environmental protection, non-toxic and safe, wide range of hardness, excellent coloring, soft touch, weather resistance, fatigue resistance and Temperature resistance, excellent processing performance, no need for vulcanization, can be recycled to reduce costs, it can be two-shot injection molding, covered and bonded with PP, PE, PC, PS, ABS and other matrix materials, or it can be molded separately.
TPEE (thermoplastic polyester elastomer) is a block copolymer containing polyester hard segment and polyether soft segment
TPEE characteristics: it has the elasticity of rubber and the strength of engineering plastics; soft satin gives it elasticity to make it like rubber; hard segment gives it processing performance, making it like plastic; compared with rubber, it has better processing performance and longer Service life: Compared with engineering materials, it also has the characteristics of high strength, and better flexibility and dynamic mechanical properties. The hardness of TPEE can range from Shore 30-82D, and its elasticity and strength are between rubber and plastic.
TPEE is mainly used in fields that require shock absorption, impact resistance, flexural resistance, sealing and elasticity, oil resistance, chemical resistance, and sufficient strength. Such as: polymer modification, automotive parts, high-speed rail gaskets, high and low temperature resistant wire sheaths, hydraulic hoses, shoe materials, transmission belts, rotating molded tires, flexible couplings, silencer gears, elevator slides, chemical equipment Anti-corrosion, wear-resistant and high-low temperature materials in pipeline valves.
Thermoplastic polyester elastomer (TPEE) is an engineering plastic material developed by CCP after many years of investment in manpower and material resources. It uses CCP's own technology to produce the best quality and lower cost TPEE for use in the industry. Beginning in 2017, all production capacity will be OEM for DuPont's OEM, and DuPont Bexloy will be used for external marketing.
The Chinese name of TPEE (Thermoplastic Polyester Elastomer) is thermoplastic polyester elastomer, and the chemical formula can be expressed as follows:
It is formed by copolymerization of 1,4-Butylene glycol and Polytetra-methylene glycol with terephthalate (DMT) or terephthalic acid (PTA) , And can be made into thermoplastic polyester elastomer composites through the mixing process. TPEE has a number of excellent characteristics and is widely used in electrical appliances, information technology and automobile industries.
TPEE features
◆ Excellent heat resistance, Vicat softening point is 120-200℃, which is the best heat resistance among TPE.
◆ Excellent low-temperature flexibility, cold-resistant to -54℃.
◆ Good mechanical strength and strong properties.
◆ Good resistance to buckling fatigue.
◆ Quick crystallization and easy forming.
◆ Excellent oil and chemical resistance.
◆ Low water absorption and good dimensional stability.
◆ Low friction coefficient and wear resistance.
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