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TPU Jun, let life better!

TPU Jun, let life better!
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  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2020-06-08 10:00
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(Summary description)

TPU Jun, let life better!
Top

(Summary description)

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2020-06-08 10:00
  • Views:
Information

01

TPU is a new kind of environmental protection materia

Materials are the substances used by human to manufacture articles, devices, components, machines or other products, which are the basis for human survival and development. Materials can be divided into traditional materials (also known as basic materials) and new materials (also known as advanced materials), into the 21st century, the rapid development of new materials, polymer materials is one of them. TPU is a kind of polymer material and a new kind of environmental protection material.

02

The hardness of TPU is adjusted by the proportion of hard segment
TPU is molecular materials containing - NH - COO - groups, long chain dibasic alcohol and isocyanate component constitutes the soft segments and short key dibasic alcohol and isocyanate component constitutes the hard segment, TPU many features depends on the types of long chain dibasic alcohol, its hardness is the use of hard segment in proportion to adjust, its light aging additive light stabilizer to improve, but also depending on aromatic and aliphatic isocyanate is.

03

Some areas are slowly being replaced by TPU

With the development of the society and the progress of technology, TPU because of its superior performance, the diversity of processing method and the concept of environmental protection is becoming more and more get the welcome of people, in many fields, daily necessities, sports goods, toys, electronic appliances, industrial, decorative materials, etc.) has been booming development, such as nitrile rubber production part, sealing ring, partly replacing the wire and cable for the production of PVC, PE, replace casting polyurethane (CPU) elevator wheel and skateboard wheels, as well as made by spinning spandex and so on. There are many BRANDS of TPU and the quality is uneven. It is better to go through detailed evaluation and demonstration when choosing TPU, otherwise we cannot get the optimal result of cost performance.

04

TPU product classification

According to soft section raw materials, TPU is divided into polyester type, polyether type, polycarbonate type, hydroxy-terminated polybutadiene type, etc.

 

Commonly used TPU is mainly polyester type and polyether type. Polyester type has high tensile strength, tear strength, hardness and other mechanical properties; Polyether type is mainly PTMEG type, with low vitrification transition, temperature, good hydrolysis stability and mold resistance, and good mechanical properties.

 

TPU can be divided into aromatic type (yellow resistant) and aliphatic group (yellow resistant) according to the type of isocyanates used.

05

TPU application field

1. Application of clothing accessories: TPU has been widely used in clothing due to its environmental protection, wear resistance, good elasticity, good hand feel and good air permeability. Such as: transparent elastic (also called bo headband or elastic band), ms straps (can be used on the underwear or fashions, play the role of a transparent invisible or decorative role), TPU belt (divided into pure extrusion type and cladding extrusion type two kinds), clothing tag, down jacket and other fashionable dress of article edge, and so on.

 

 

2. The application of the auto parts TPU with good resilience and cutting resistance, weather resistance, oil resistance, can be used for all kinds of auto parts, such as used for the shift lever handle, all kinds of coupling shaft sleeve and gasket, all kinds of wiring harness connector, spiral telescopic wire, cable sheath, cog belt, steering drag link of sheath and gasket, hanging hinge joint, hydraulic, pneumatic, hanging the diaphragm, shock absorption, diaphragm, shock absorber and spring limit fast, also can be used with other plastic/rubber composite, used for car bumper, dashboard, airbags, dust cover and so on.

 

TPU can also be used to make cloaking for car owners with high personal requirements. To protect your car's paint while also having a waxing effect in the sun.

 

3. Application of machinery and industrial components: TPU, with its superior mechanical properties, good grease resistance and hydrolysis resistance, can be widely used in the production of various machinery parts. Such as: all kinds of gears, seals (mainly wear and oil resistance), shock components, die needles, bushing, bearings, covers, connectors, rubber screens, printing cots, etc.

 

4. Application of TPU in shoe materials: shoes, mountaineering shoes, snow shoes, golf shoes, field shoes, roller skates and other shoe ornaments, air cushion, sole inflatable or liquid cushion, edge materials, heel sole and outsole, transparent upper, sign, etc.

TPU can be favored by the majority of shoe manufacturers, mainly due to its excellent performance.

 

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

 

2. High mechanical strength: TPU products have outstanding bearing capacity, impact resistance, cold resistance and shock absorption. Moreover, TPU can still maintain good elasticity, flexibility and other physical properties under the environment of minus 35 degrees.

 

3. Good processing performance: TPU can be processed by various processing methods, such as injection molding, extrusion, rolling, etc. At the same time, when TPU and some polymer materials are processed together, complementary polymer alloys can be obtained.

 

 

5· Application of tubes and hoses: TPU tubes are widely used as gas and oil hoses, medical pipes, coating pipes and conveying pipes for aircraft, tanks, automobiles, motorcycles, machine tools and other mechanical equipment in China due to their softness, good tensile strength, impact strength and high and low temperature resistance.

 

6. Application of TPU film: TPU film has excellent properties such as high strength, high toughness, wear resistance, oil resistance, cold resistance, aging resistance, environmental protection, non-toxic and degradable, which are incomparable with other plastics and rubber. It has excellent properties of waterproof, moisture permeability, windproof, cold proof, anti-bacteria, anti-UV and so on, which can be applied in many industrial and civil fields. It is a kind of green film and an ideal substitute for PVC film. It can be widely used in: film sealing of weapons, field tents, ice packs, life jackets, inflatable boats, etc. Air parachutes, water beds, diving suits, snow suits, swimsuits, air bags, sweatshirts, slimming suits, inflatable sleeping bags, etc. Fabrics and lining materials of pipe bonding tape, sewer engineering clothing, raincoats, windcoats, cold jackets, field suits, physiological trousers, linings, T-shirts and sports suits; Mattress, ice bag, bandage, plasma bag, waterproof and wet clothes cap, watchband, etc.

 

7. Application of wires and cables: TPU provides characteristics of tear resistance, wear resistance and bending; High and low temperature resistance is the key to cable performance. Therefore, in the Chinese market, advanced cables such as control cables and power cables are used for TPU to protect the coating material of complex cable design. It can be widely used in power cable, equipment cable, communication cable, submarine and oil exploration cable sheath, optical fiber sheath and so on.

 

 

 

8. Other areas of application: TPU in other areas of application: from a wheel, handle, strap, all kinds of circular pipe, round belt, V belt, synchronous belt, non-slip belt, TPU rubber ribbon, transparent elastic ring, etc., in short, the purpose of the TPU material wider than we can imagine, the future development prospect.

 

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