Hydrolysis-resistant polyurethane shoe sole and preparation method thereof

A polyurethane and hydrolysis-resistant technology, applied in the field of shoe sole materials, can solve problems such as poor hydrolysis resistance, achieve the effects of improving hydrolysis resistance, avoiding degradation, and prolonging service life

Inactive Publication Date: 2018-06-29
温州市巨伦鞋业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the first object of the present invention is to provide a kind of hydrolysis-resistant polyurethane sole, by removing metal ions in the polyurethane sole, adding arom

Method used

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  • Hydrolysis-resistant polyurethane shoe sole and preparation method thereof
  • Hydrolysis-resistant polyurethane shoe sole and preparation method thereof
  • Hydrolysis-resistant polyurethane shoe sole and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Embodiment 1: A kind of hydrolysis-resistant polyurethane shoe sole, each component and its corresponding parts by weight are as shown in Table 1, and its technological process refers to figure 1 , and obtained by the following steps:

[0052] Step 1, taking A component and B component in proportion;

[0053]Step 2: Heat component A at 100°C for 1 hour, add metal chelating agent and isothiazolinone after melting, stir and mix evenly, and pour it into the first tank of the pouring machine;

[0054] Step 3: Mix component B evenly and heat it at 120°C for 2 hours, and inject it into the second material tank of the filling machine;

[0055] Step 4, pour the mixed A component, metal chelating agent, isothiazolinone and B component into the shoe mold, and put the shoe mold into a foaming machine for foaming;

[0056] Step five, cooling after foaming, repairing and molding to obtain the hydrolysis-resistant polyurethane sole.

Embodiment 2-8

[0057] Example 2-8: A hydrolysis-resistant polyurethane shoe sole, the difference from Example 1 is that each component and its corresponding parts by weight are shown in Table 1.

[0058] Each component and parts by weight thereof in table 1 embodiment 1-8

[0059]

[0060]

Embodiment 9-16

[0061] Embodiments 9-16: A hydrolysis-resistant polyurethane shoe sole. The difference from Embodiment 1 is that each component and its corresponding parts by weight are shown in Table 2.

[0062] Each component and parts by weight thereof in table 2 embodiment 9-16

[0063]

[0064]

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Abstract

The invention discloses a hydrolysis-resistant polyurethane shoe sole and a preparation method thereof, and relates to the technical field of a shoe sole material, wherein the polyurethane shoe sole is prepared from an ingredient A and an ingredient B; the ingredient A is prepared from the following ingredients in parts by weight: 40 to 60 parts of polyether polyol, 30 to 50 parts of polyester polyol, 1 to 2 parts of nonmetallic catalysts, 1 to 5 parts of chain extending agents, 1 to 2 parts of foam stabilizers and 1 to 2 parts of water; the ingredient B is prepared from the following ingredients in parts by weight: 20 to 40 parts of isocyanate and 10 to 30 parts of polyethylene glycol adipate. The polyether polyol is introduced into the polyurethane shoe sole; meanwhile, the nonmetallic catalysts are used; the introduction of metal ions is avoided; a metal chelating agent is added, so that metal ion impurities are removed; then, isothiazolinone is added for inhibiting or killing microorganisms capable of causing polyurethane shoe degradation; the crystallinity degree of polyurethane is improved by isocyanate with benzene rings, so that the moisture diffusion speed is slowed down;the five ingredients are matched; the synergistic interaction is realized; the hydrolysis-resistant performance of the polyurethane shoe sole is improved; the service life of the polyurethane shoe sole in humid environment is prolonged.

Description

technical field [0001] The invention relates to the technical field of shoe sole materials, more specifically, it relates to a hydrolysis-resistant polyurethane shoe sole and a preparation method thereof. Background technique [0002] As a new multifunctional polymer material, polyurethane is a high-tech, high-performance, high-value-added product. It has superior physical and mechanical properties, acid and alkali corrosion resistance, high load-bearing performance, and a wide range of hardness. It is widely used in the material industry. Occupying an important position, it has become one of the mainstream materials in the shoe sole market, and it is also widely used in labor insurance shoes. The biggest defect of polyester polyurethane is its poor hydrolysis resistance. When used in a humid environment, it is easy to degrade and shorten its service life, resulting in waste of materials and huge economic losses. [0003] In the Chinese invention patent whose publication nu...

Claims

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Application Information

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IPC IPC(8): C08G18/76C08G18/75C08G18/66C08G18/42C08G18/48C08G18/32C08G18/69C08G18/20C08G18/18C08K5/47C08K5/5317C08G101/00
CPCC08G18/1816C08G18/1825C08G18/2018C08G18/3206C08G18/4018C08G18/4238C08G18/4854C08G18/6607C08G18/6611C08G18/698C08G18/758C08G18/7671C08G18/7678C08G2101/00C08G2410/00C08K5/47
Inventor 官学兵
Owner 温州市巨伦鞋业有限公司
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