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Air-cushioned sole of highly elastic sports shoes and production method thereof

A production method and technology for sports shoes, which are applied in the field of shoelace materials, can solve the problems affecting the service life of the soles of sports shoes, reduce wearing comfort, easy deformation and shrinkage, etc., and achieve light weight, improved shockproof effect, and good elastic effect. Effect

Inactive Publication Date: 2016-03-02
新侨伟(福建)鞋服有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing MD materials have poor wear resistance, are easy to deform and shrink, and seriously affect the service life of sports shoe soles
The existing MD materials increase in hardness and elasticity with the increase of density, but the specific gravity also increases at the same time, and the wearing comfort decreases.

Method used

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  • Air-cushioned sole of highly elastic sports shoes and production method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] refer to figure 1 , a kind of highly elastic sports shoe air cushion sole, including MD midsole 1, air cushion 2 and outsole 4 fixedly connected sequentially from top to bottom, the heel of the air cushion 2 is equipped with an EVA spacer 3, and the inside of the air cushion 2 Filled with nitrogen gas, the bottom surface at the heel of the air cushion 2 is concaved to form several concave parts 21; the EVA gasket 3 is provided with several convex parts 31 adapted to the concave parts 21.

[0036] The components and weight ratios of the material formula of the MD midsole are as follows: EVA: 40-60, EPDM: 0-20, POE: 0-30, talcum powder: 0-10, foaming agent: 2.0~4.0, bridging agent: 0.6~1.0, zinc oxide desulfurizer: 1.0~2.0, stearic acid: 0.6~1.2, zinc stearate: 0.5~1.0, flow aid: 0.8~1.5, bridging aid : 0.3~0.8.

[0037] The blowing agent of the present invention is preferably azodicarbonamide. Azodicarbonamide is abbreviated as AC, and its molecular formula is C2H4N4O...

Embodiment 2

[0044] Select the following component materials according to the weight ratio: EVA: 45, EPDM 5, POE: 30, foaming agent: 2.8, bridging agent: 1.0, zinc oxide: 1.3, stearic acid: 0.8, stearin Zinc acid: 1.0, flow aid: 0.8, bridging aid: 0.8. According to the above method, the proportioning is made into a shoe sole material. After testing, its physical properties are as follows:

[0045] A. Hardness: 45°±2, B. Compression distortion: ≤40%, C: Folding resistance: normal temperature ≥100,000 times, low temperature (-20°C) ≥80,000 times, D, yellow resistance: ≥4 grades (white , light gray, etc.).

Embodiment 3

[0047] Select the following component materials according to the weight ratio: EVA: 50, EPDM rubber 10, POE: 20, talcum powder: 5, foaming agent: 3.0, bridging agent: 0.8, zinc oxide: 1.5, stearic acid : 0.6, zinc stearate: 0.8, flow aid: 1.2, bridging aid: 0.5. According to the above method, the proportioning is made into a shoe sole material. After testing, its physical properties are as follows:

[0048] A. Hardness: 48°±2, B. Compression distortion: ≤38%, C: Folding resistance: normal temperature ≥100,000 times, low temperature (-20°C) ≥80,000 times, D, yellow resistance: ≥4 grades (white , light gray, etc.).

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Abstract

The invention provides a high-elasticity sneaker air cushion sole and a production method thereof and researches a sneaker sole with high elasticity, high wear resistance and low hardness. The high-elasticity sneaker air cushion sole comprises a phylon (MD) midsole, an air cushion and a large sole which are sequentially and fixedly connected with one another from top to bottom, wherein an ethylene-vinyl acetate copolymer (EVA) cushion piece is assembled on a heel part of the air cushion; and the material formula of the MD midsole comprises the following components in parts by weight: 40-60 parts of EVA, 0-20 parts of ethylene propylene ternary gel, 0-30 parts of polyolefin elastomer (POE), 0-10 parts of talcum powder, 2.0-4.0 parts of a foaming agent, 0.6-1.0 part of a bridging agent, 1.0-2.0 part of a zinc oxide desulfurizing agent, 0.6-1.2 parts of stearic acid, 0.5-1.0 part of zinc stearate, 0.8-1.5 parts of a flow promotor and 0.3-0.8 part of a bridging addition agent.

Description

technical field [0001] The invention relates to a shoelace material, in particular to a high elastic sports shoe air cushion sole and a production method thereof. Background technique [0002] With the continuous improvement of people's living standards, people's pursuit of the comfort, aesthetics and practicability of shoes is getting higher and higher. The sole has a greater impact on the comfort of shoes. At present, there is a kind of MD2 Secondary sole, MD secondary is also called PHYLON (Flying Dragon), which is a sole processed by secondary foaming molding process. This kind of sole is widely used in the midsole of sports shoes including running shoes, tennis shoes, basketball shoes and the like due to its light weight, elasticity, density, stretching, tearing, elongation and other properties. However, the existing MD materials have poor wear resistance, are easy to deform and shrink, and seriously affect the service life of sports shoe soles. The existing MD materi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/08C08L23/16C08L7/00C08L9/00C08L9/06C08K13/02C08K3/34C08K3/22C08K5/09C08K5/098C08K5/14C08J9/10A43B13/04B29C44/02B29B7/00B29B9/00
Inventor 王建国
Owner 新侨伟(福建)鞋服有限公司
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