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A shoe midsole material with natural light transmission and its preparation method

A light-transmitting and natural technology, applied in the field of shoe manufacturing, can solve the problems of difficult light-transmitting breakthrough, single particle appearance, low cost performance, etc., and achieve the effect of increasing diversity, simple process and broad application prospects.

Active Publication Date: 2021-10-15
ANTA CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its preparation method is a two-stage process, which has limitations and is not cost-effective. At the same time, the appearance of the particles is relatively simple, which also brings aesthetic fatigue, and it is difficult to achieve a breakthrough in light transmission.

Method used

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  • A shoe midsole material with natural light transmission and its preparation method
  • A shoe midsole material with natural light transmission and its preparation method
  • A shoe midsole material with natural light transmission and its preparation method

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preparation example Construction

[0063] The present invention also provides a method for preparing a shoe midsole material with natural light transmission described in the above technical solution, comprising the following steps:

[0064] a) performing supercritical extrusion molding on the thermoplastic polyurethane elastomer mixture material to obtain a shoe midsole body with a light-transmitting texture;

[0065] b) Air holes are added to the main body of the shoe midsole with light-transmitting texture obtained in step a), to obtain a shoe midsole material with natural light transmission.

[0066] In the invention, firstly, the thermoplastic polyurethane elastomer mixture material is subjected to supercritical extrusion molding to obtain a shoe midsole main body with light-transmitting texture. In the present invention, the thermoplastic polyurethane elastomer mixture material is the same as that in the above technical solution, and will not be repeated here.

[0067] In the present invention, the proces...

Embodiment 1

[0081] (1) The composition of the thermoplastic polyurethane elastomer mixture:

[0082] TPU main material (WANHUA85105): 100 parts by weight;

[0083] Nucleating agent: 1.5 parts by weight;

[0084] Flow agent: 1 part by weight;

[0085] Anti-yellowing agent: 0.5 parts by weight;

[0086] Foaming agent: 1.2 parts by weight;

[0087] Among them, the nucleating agent is nano-titanium dioxide, the flow agent is erucamide lubricant, the anti-yellowing agent is ultraviolet light absorber VSU; the foaming agent is C;

[0088] After mixing, a thermoplastic polyurethane elastomer compound material is obtained.

[0089] (2) Preparation method:

[0090] Pour the thermoplastic polyurethane elastomer mixture into the lower barrel of the extruder for drying and dehumidification. The temperature of the dehumidifier is set at 180°C, the drying temperature of the lower barrel is 80°C, and the drying time is 120min to obtain the premixed material; then The obtained premixed material is ...

Embodiment 2

[0093] (1) The composition of the thermoplastic polyurethane elastomer mixture:

[0094] TPU main material (LUBRIZOL58135): 100 parts by weight;

[0095] Nucleating agent: 1.3 parts by weight;

[0096] Flow agent: 1 part by weight;

[0097] Anti-yellowing agent: 0.5 parts by weight;

[0098] Foaming agent: 1.3 parts by weight;

[0099] Among them, the nucleating agent is nano-titanium dioxide, the flow agent is erucamide lubricant, the anti-yellowing agent is ultraviolet light absorber VSU; the foaming agent is C;

[0100] After mixing, a thermoplastic polyurethane elastomer compound material is obtained.

[0101] (2) Preparation method:

[0102] Pour the thermoplastic polyurethane elastomer mixture into the lower barrel of the extruder for drying and dehumidification. The temperature of the dehumidifier is set at 180°C, the drying temperature of the lower barrel is 80°C, and the drying time is 120min to obtain the premixed material; then The obtained premixed material i...

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Abstract

The invention provides a shoe midsole material with natural light transmission, comprising: a shoe midsole body with a light-transmitting texture; air holes evenly distributed on the shoe midsole body; the shoe with a light-transmitting texture The midsole body is made of thermoplastic polyurethane elastomer mixture through supercritical extrusion molding. Compared with the prior art, the shoe midsole material with natural light transmission provided by the present invention adopts supercritical extrusion molding to obtain the shoe midsole body with light-transmitting texture, and then arranges evenly distributed air holes to reduce the internal cavity of the product. The material is more stable and will not collapse; on the basis of good cushioning and resilience, the product also has natural light transmission, can obtain irreplaceable appearance lines and strange landscapes under light perception, and is cost-effective.

Description

technical field [0001] The invention relates to the technical field of shoe manufacture, and more specifically relates to a shoe midsole material with natural light transmission and a preparation method thereof. Background technique [0002] Running shoes are mainly divided into three parts: upper, midsole, and outsole. Among them, the midsole, as the soul of running shoes, plays an extremely important role in improving the quality and value of shoes. At present, EVA material has become one of the midsole materials widely used by major shoe factories because of its good softness, elasticity and low cost; E-TPU material, which embodies BOOTS technology in non-EVA midsoles, has a broad market prospect. [0003] BOOTS technology is to expand the solid particle material (TPU) and convert it into thousands of small energy capsules to make the midsole of the shoe. Due to the unique structure, each small capsule can effectively accumulate and release energy, thus providing good per...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A43B13/04A43B13/14A43B13/18A43B13/42C08L75/04C08K3/22C08K5/20C08J9/04B29C48/07B29L31/50
CPCA43B13/04A43B13/14A43B13/181A43B13/187A43B13/42B29L2031/504B29C48/07C08J9/04C08J2375/04C08K5/20C08K2003/2241C08K2201/011Y02P20/54
Inventor 杨君其董斌王有承韩健黄守东莫旸
Owner ANTA CHINA
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