High-power foaming production of thermoplastic elastomer composite material

A composite material and plasticity technology, applied in the field of foam material manufacturing, can solve problems such as difficult molding, difficult recycling of waste materials, environmental pollution, etc., and achieve the effects of high elasticity and anti-slip properties, simple formula, and easy secondary processing

Inactive Publication Date: 2006-11-01
MICROCELL COMPOSITE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Although this kind of rubber foam material can make up for the shortcomings of the aforementioned plastic foam materials, and has better elasticity, anti-slip properties and compression resistance, the formula of this rubber foam material is relatively complicated, and it is very easy to be damaged due to defects in the manufacturing process. The generated material dust causes environmental pollution
In addition, the rubber foam material is not only difficult to form into other complex-shaped finished products in the subsequent processing procedures, but also the waste generated is not easy to recycle. Facing problems that can never be effectively solved

Method used

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  • High-power foaming production of thermoplastic elastomer composite material

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the accompanying drawings, but the implementation scope of the present invention is not limited.

[0022] The invention relates to a high-expansion foaming manufacturing method of a thermoplastic elastomer composite material, which includes using a thermoplastic elastomer as a base material composite material, adding foaming agents and bridging agents with different functions, etc. The device performs kneading and sheet-out processing to form tablets of appropriate size, and then accumulates a certain number of tablets according to actual needs, and sends them into the first-stage hot-pressing mold for the first compression mold foaming , and then the obtained pre-foamed blank is sent to the second section of the hot-pressing mold or long oven while it is hot for the second compression mold foaming or normal pressure foaming treatment to make the foaming ratio 15 times more foam material.

[00...

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Abstract

A process for preparing thermoplastic elastic composition by high-multiple foaming includes such steps as mixing the thermoplastic elastomer with foaming agent and bridging agent, kneading, making sheets, stacking, hot die pressing while foaming, and secondary hot die pressing or baking in long oven while foaming again.

Description

technical field [0001] The present invention relates to a manufacturing method of foaming material, especially a kind of high-strength foaming material with the characteristics of general rubber and plastic foaming material produced by using traditional processing and foaming device and adopting two-stage chemical bridging foaming method. The method of soaking the material. Background technique [0002] The foaming material in the prior art can be divided into plastic foaming material and rubber foaming material according to the different raw materials used. It is quite mature, but due to the different material properties of the foaming material, its application fields are also different. Taking the existing plastic foaming materials as an example, they generally use ethylene-vinyl acetate copolymer (Ethylene VinylAcetate, EVA for short), or a mixture of EVA and polyethylene (Polyethylene, PE) as the main raw material. In the chemical bridging and foaming process, the mixt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C44/08B29K25/00
Inventor 吴俊雄
Owner MICROCELL COMPOSITE CO LTD
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