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A kind of superelastic fatigue-resistant foaming material and its preparation method and application

A foamed material and fatigue-resistant technology, applied in the field of foam manufacturing, can solve problems such as unsatisfactory fatigue-resistant performance

Active Publication Date: 2022-07-15
ANTA CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its fatigue resistance is not ideal

Method used

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  • A kind of superelastic fatigue-resistant foaming material and its preparation method and application
  • A kind of superelastic fatigue-resistant foaming material and its preparation method and application
  • A kind of superelastic fatigue-resistant foaming material and its preparation method and application

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preparation example Construction

[0038] The present invention provides a preparation method of the superelastic fatigue-resistant foam material described in the above technical solution, comprising the following steps:

[0039] a) After premixing 100 parts of thermoplastic elastomer resin, 0.5-50 parts of amorphous metal powder, 0.2-1 part of antioxidant, 0-1.5 part of stearic acid and 0-1 part of cell stabilizer, melt mixing Smelting, extruding and dicing to obtain thermoplastic elastomer composite particles;

[0040] b) After preheating the thermoplastic elastomer composite particles obtained in the step a), they are loaded into a mold for clamping, placed in a closed container, and gas is introduced into the container, and the temperature is increased, so that the gas that has reached a supercritical state affects all The thermoplastic elastomer composite particles are impregnated and saturated, and finally the pressure is quickly released and the mold is opened to obtain a superelastic fatigue-resistant f...

Embodiment 1

[0059] (1) The formula composition of thermoplastic elastomer composite material:

[0060] Thermoplastic polyurethane (TPU): 100 parts by weight;

[0061] Amorphous metal alloy powder: 5 parts by weight;

[0062] Antioxidant: 0.3 parts by weight;

[0063] Stearic acid: 0.5 parts by weight;

[0064] Cell stabilizer: 0.5 parts by weight;

[0065] Among them, the amorphous metal alloy powder is nickel-titanium alloy (nickel and titanium each account for 50%); the antioxidant is AT-10; the cell stabilizer is polyisobutyl methacrylate.

[0066] (2) Preparation method:

[0067] Weigh each component in the above thermoplastic elastomer composite material by weight as raw materials; the weighed raw materials are pre-mixed and then melted and kneaded at 200 ° C for 5 minutes by an extruder, and then extruded in water at 25 ° C. Pellet down to obtain thermoplastic elastomer composite particles; then preheat the obtained thermoplastic elastomer composite particles to 100 ° C, pour it ...

Embodiment 2

[0071] (1) The formula composition of thermoplastic elastomer composite material:

[0072] Thermoplastic polyester elastomer (TPEE): 100 parts by weight;

[0073] Amorphous metal alloy powder: 5 parts by weight;

[0074] Antioxidant: 0.3 parts by weight;

[0075] Stearic acid: 0.5 parts by weight;

[0076] Cell stabilizer: 0.5 parts by weight;

[0077] Among them, the amorphous metal alloy powder is an iron-based alloy (Fe 60%, Ni15%, Cr 18%, B 4%, other 3%); the antioxidant is AT-10; the nucleating agent is nano-titanium dioxide; the cell is stable The agent is polyisobutyl methacrylate.

[0078] (2) Preparation method:

[0079] Weigh each component in the above thermoplastic elastomer composite material by weight as raw materials; the weighed raw materials are premixed and then melted and kneaded at 195 ℃ for 5 minutes by an extruder, and then extruded in water at 25 ℃. Cut the pellets down to obtain thermoplastic elastomer composite particles; then preheat the obtaine...

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Abstract

The invention provides a superelastic fatigue-resistant foaming material and a preparation method and application thereof. In parts by weight, the material comprises the following components: 100 parts of thermoplastic elastomer resin, 0.5-50 parts of amorphous metal powder, anti-oxidant 0.2-1 part of stearic acid, 0-1.5 part of stearic acid and 0-1 part of cell stabilizer. Compared with the prior art, the super-elastic fatigue-resistant foam material provided by the present invention adopts specific materials and content components to achieve better interaction; the product has light density, ultra-high resilience and excellent compression resistance. Deformation characteristics, so that while greatly improving the elasticity of sports shoes, it has both lasting comfort and lasting shock absorption, giving the wearer a good wearing and running experience.

Description

technical field [0001] The invention belongs to the technical field of foam manufacturing, and in particular relates to a superelastic fatigue-resistant foam material and a preparation method and application thereof. Background technique [0002] High elastic foam material has a wide range of applications, especially in the sports industry, such as the midsole material of sports shoes, as the core technology of shoes, it can reduce the impact when landing, provide forward propulsion, safety protection and comfort It is usually a foam material of thermoplastic elastomer, mainly involving ethylene vinyl acetate polymer, polyolefin elastomer, thermoplastic polyurethane, thermoplastic elastomer polyester, thermoplastic nylon elastomer, etc. Thermoplastic elastomer materials tend to have better resilience after foaming and expansion. Patent CN201610150971.3 discloses an ultra-light and high-elasticity environment-friendly sole and a preparation method thereof. Thermoplastic elas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/04C08L33/10C08K3/08C08K5/134C08K5/09C08J9/12C08L67/00C08K3/22C08L77/00C08L23/08A43B13/04A43B13/18B60N2/62
CPCC08J9/122C08J9/0061C08J9/0066C08J9/0023A43B13/04A43B13/187B60N2/62C08J2375/04C08J2433/10C08J2367/00C08J2377/00C08J2423/08C08J2203/08C08J2203/06
Inventor 熊祖江董斌张细祥
Owner ANTA CHINA
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