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EVA-modified polyurethane composite shoe material and preparation method thereof

A polyurethane and modified technology, which is applied in the field of shoe materials, can solve the problems of discarding, and achieve the effects of reducing internal stress, excellent tensile strength, and uniform particle size distribution

Inactive Publication Date: 2020-09-04
广东粤盛新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the materials (EVA) of our renewable resource industry mainly come from other imports and domestic recycling parts, so people have been exploring the methods of recycling EVA waste in recent years, but there are still a lot of discarding phenomena, how to effectively use them It is a very meaningful job to utilize and generate high added value

Method used

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  • EVA-modified polyurethane composite shoe material and preparation method thereof
  • EVA-modified polyurethane composite shoe material and preparation method thereof
  • EVA-modified polyurethane composite shoe material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of EVA modified polyurethane composite shoe material, comprises the raw material of following weight portion:

[0035]

[0036] The isocyanate is preferably diphenylmethane diisocyanate; the anti-yellowing agent is the PU anti-yellowing agent UV-41 produced by Anhui Sancai Industry and Trade Co., Ltd.; the color paste is produced by Dongguan Sanhua Chemical Coating Co., Ltd. polyurethane color paste.

[0037] Each part of the modified polyether polyol includes the raw materials of the following parts by weight:

[0038]

[0039] The polyether polyol is preferably tetrahydrofuran-propylene oxide copolymerized glycol; the quaternary ammonium salt dispersant is preferably quaternary ammonium salt dispersant XW330.

[0040] Described modified polyether polyol is obtained by following method:

[0041] S1. According to parts by weight, add meglutaric acid, quaternary ammonium salt dispersant and polyether polyol into the reaction device and mix evenly, and heat...

Embodiment 2

[0055] A kind of EVA modified polyurethane composite shoe material, comprises the raw material of following weight portion:

[0056]

[0057] The isocyanate is preferably diphenylmethane diisocyanate; the anti-yellowing agent is the PU anti-yellowing agent UV-41 produced by Anhui Sancai Industry and Trade Co., Ltd.; the color paste is produced by Dongguan Sanhua Chemical Coating Co., Ltd. polyurethane color paste.

[0058] Each part of the modified polyether polyol includes the raw materials of the following parts by weight:

[0059]

[0060]

[0061] The polyether polyol is preferably tetrahydrofuran-propylene oxide copolymerized glycol; the quaternary ammonium salt dispersant is preferably quaternary ammonium salt dispersant XW330.

[0062] Described modified polyether polyol is obtained by following method:

[0063] S1. According to parts by weight, add meglutaric acid, quaternary ammonium salt dispersant and polyether polyol into the reaction device and mix even...

Embodiment 3

[0077] A kind of EVA modified polyurethane composite shoe material, comprises the raw material of following weight portion:

[0078]

[0079] The isocyanate is preferably diphenylmethane diisocyanate; the anti-yellowing agent is the PU anti-yellowing agent UV-41 produced by Anhui Sancai Industry and Trade Co., Ltd.; the color paste is produced by Dongguan Sanhua Chemical Coating Co., Ltd. polyurethane color paste.

[0080] Each part of the modified polyether polyol includes the raw materials of the following parts by weight:

[0081]

[0082] The polyether polyol is preferably tetrahydrofuran-propylene oxide copolymerized glycol; the quaternary ammonium salt dispersant is preferably quaternary ammonium salt dispersant XW330.

[0083] Described modified polyether polyol is obtained by following method:

[0084] S1. According to parts by weight, add meglutaric acid, quaternary ammonium salt dispersant and polyether polyol into the reaction device and mix evenly, and heat...

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Abstract

The invention relates to the technical field of shoe materials, particularly to an EVA-modified polyurethane composite shoe material and a preparation method thereof. The EVA-modified polyurethane composite shoe material comprises the following raw materials in parts by weight: 20-30 parts of modified polyether polyol, 0.1-3.0 parts of a first catalyst, 0.1-1.0 part of a second catalyst, 20-30 parts of isocyanate, 5-10 parts of EVA waste, 0.1-3.0 parts of deionized water, 0.1-1.0 part of ethylene glycol, 1-3 parts of a chain extender, 10-20 parts of polyethylene, 0.1-0.5 part of a foam adjusting agent, 1-5 parts of an anti-yellowing agent and 1-5 parts of color paste. The EVA-modified polyurethane composite shoe material provided by the invention has excellent tensile strength, elongationat break, tearing strength and peel strength, and can well meet requirements on the mechanical properties of the material when being used as a sole material; and the adopted preparation method is simple and efficient in process, convenient to operate and control, high in product quality, low in cost and convenient for industrial production.

Description

technical field [0001] The invention relates to the technical field of shoe materials, in particular to an EVA-modified polyurethane composite shoe material and a preparation method thereof. Background technique [0002] As people's daily necessities, shoes are mainly used to protect people's feet. Polyurethane has low density, soft texture, comfortable and light wearing; good dimensional stability and long storage life; excellent wear resistance, flex resistance Curvature performance; excellent shock absorption, anti-skid performance; good temperature resistance; good chemical resistance and other excellent properties, making it known as the "fifth largest plastic", widely used in many fields of the national economy, polyurethane multi-purpose For the manufacture of high-end leather shoes, sports shoes, travel shoes and so on. [0003] Polyurethane is becoming more and more popular because of its superior performance and environmental protection concept. Its good mechanica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/08C08L23/08C08L23/06A43B1/14
CPCA43B1/0009A43B1/14C08L75/08C08L2205/02C08L2205/03C08L23/0853C08L23/06
Inventor 刘顺清
Owner 广东粤盛新材料科技有限公司
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