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TPU application in sports shoes

TPU application in sports shoes
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  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2021-07-05 09:44
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(Summary description)

TPU application in sports shoes
Top

(Summary description)

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2021-07-05 09:44
  • Views:
Information

 

Sports shoes are TPU (thermoplastic polyurethane elastomer) downstream applications of a large market, is widely used in shoe outsole, shoe insole, air cushion, footwear, shoe line, waterproof and moisture permeable film, hot melt film, 3D printing, and so on, and the concept of 100%TPU sports shoes, Lubrizol, Costron, Huntsman, Wanhua Chemical and other enterprises have launched corresponding TPU material solutions, which are recyclable, environmentally friendly and sustainable.

 

 

Here we will sort out a wave of TPU in athletic shoes application Daquan, in order to facilitate understanding, we will TPU athletic shoes application according to the three main components to organize, respectively, the upper, the middle sole, the outsole.

1. Vamp: TPU yarn and leather

Breathable fly - knit uppers and waterproof leather uppers are common sneaker uppers. Flying knitting refers to the whole vamp woven, can be woven by TPU yarn, soft texture and very durable, and high wear resistance, easy to hot pressing 3D plastic, solid, etc.

 

 

 

 

除了纱线编织鞋面,TPU还可以做成合成革应用于鞋面、装饰片等。

 

 

 

 

2. Mid-sole: ETPU

The insole of shoes is the most popular and mature part of TPU athletic shoes. The common technology is to make TPU into foaming particles through supercritical kettle foaming process, and then get ETPU insole by combining steam or microwave molding. Compared with the traditional EVA insole, E-TPU shoe material has excellent resilience, extremely low compression and permanent deformation, and good wearing feeling.

 

 

 

After the TPU insole piece, also through the foaming process to prepare, first foamed into sheets and then cut, the current application is still very few.

3, shoe outsole: wear-resistant, anti-skid TPU

TPU outsole can be obtained by injection molding, which has the characteristics of wear-resisting and high strength. In addition, how to stop skid is also one of the important indicators to judge the performance of TPU outsole.

 

 

In addition to the upper, middle sole, outsole, TPU applications in sports shoes and anti torsion sheet, heel sheath, Hong Bao (hot melt adhesive), film and so on.

 

 

 

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