Overview of Thermoplastic TPU Material
Thermoplastic TPU Material, also known as polyurethane thermoplastic elastomer (thermoplastic polyurethane elastomer) is a polyurethane elastomer (polyurethane elastomer)

One of them, not only has the high elasticity of rubber, but also has the thermoplasticity of linear polymer materials. It is the first thermoplastic elastomer material discovered and used in industrial production.

Thermoplastic polyurethane rubber (TPU) ---- overview and advantages

The common TPU is made of 4,4-diphenylmethane diisocyanate, toluene diisocyanate (toluene diisocyanate, TDI), macromolecular polyol and chain extender.

molecular material. Its molecular structure is composed of hard segments obtained by reacting NDI or TDI with chain extenders and soft segments obtained by reacting MDI or TDI with macromolecular polyols.

TPU is a type of polyurethane that can be plasticized by heating and can be dissolved in solvents. Its molecules are basically linear and have no or very little chemical crosslinking. There are many hydrogen bonds between linear polyurethane molecular chains

The physical crosslinking and hydrogen bonds strengthen its shape, thus endowing it with many excellent properties, such as high modulus and high strength; excellent wear resistance, which is 2 to 10 times that of natural rubber. water resistant

Excellent performance, oil resistance and chemical resistance. High impact resistance, fatigue resistance and vibration resistance, suitable for high frequency flexing applications. Good low temperature resistance, low temperature embrittlement temperature is about -30°C or below -70C. good

Good biocompatibility and anticoagulant properties. In addition, this type of material also has excellent electrical insulation, mold resistance and UV stability. These good properties make TPU widely used in shoe materials,

Cables, clothing, automobiles, medical and health care, pipes, films and sheets, and many other fields. Because it is basically a linear structure polymer, TPU can be masticated, mixed and vulcanized like ordinary rubber.

Process molding can also be processed with the same technology and equipment as thermoplastics, such as injection molding, extrusion, blow molding, calendering, etc., especially suitable for medium and small scale parts produced in large quantities. waste

Materials can be recycled and reused, and different additives or fillers can be used in production or processing to improve certain physical properties and reduce costs.

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What Are The Characteristics Of TPU Foam Material
As the name implies, TPU foam material is a product formed by foaming TPU (thermoplastic polyurethane elastomer), commonly known as "popcorn". Generally, it can be divided into physical foaming and chemical foaming. Physical foaming refers to compressing gas into raw materials and then changing the pressure and temperature to foam the product without chemical reaction, so it is an environmentally friendly material; chemical foaming Foam refers to the chemical change of the chemical foaming agent when heated, thereby decomposing and generating gas, which promotes the foaming of rubber and plastic polymers. The foaming ratio of TPU foam material can be as high as 8 times; it is non-toxic, tasteless, degradable, and more environmentally friendly; it has high strength, heat resistance, wear resistance; shock absorption, light and comfortable, high resilience, antibacterial, and breathable.

Features of TPU foam material:

High wear resistance: It can be seen from the Taber wear index comparison of tpu and other materials.​

Wide range of hardness: By changing the ratio of each reaction component of TPU, products with different hardness can be obtained, and with the increase of hardness, the products still maintain good elasticity.

High mechanical strength: The bearing capacity, impact resistance and shock absorption performance of tpu products are outstanding.

Good processing performance: tpu can be processed by common processing methods of thermoplastic materials, such as injection, extrusion, calendering, etc. At the same time, the co-processing of TPU and some polymer materials can obtain polymer alloys with complementary properties.

Outstanding cold resistance: The glass transition temperature of tpu is relatively low, and it still maintains good elasticity, flexibility and other physical properties at minus 35 degrees. Oil, water and mold resistant. Good recycling.

Suzhou Shincell New Material Co.,Ltd. is a professional M-TPU foam sheet manufacturer with advanced technology. If you need it, you can click the official website to contact us

Our website is https://www.shincellfoam.com/

 

www.shincellfoam.com

High-Strength Foam Materials, Microcellular Foam Board Factory

Suzhou Shincell New Material Co., Ltd is China High-Strength Foam Materials Manufacturers and Microcellular Foam Board Factory, we offer wholesale lightweight foam materials for sale online.