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High-wear-resistance high-weather-resistance polyamide composition as well as preparation method and application thereof

A polyamide composition and a high-weather-resistance technology are applied in the field of high-wear-resistance and high-weather-resistance polyamide compositions and their preparation fields, which can solve problems such as poor wear-resistance and poor weather-resistance, achieve excellent wear-resistance and weather-resistance, improve The effect of comprehensive performance

Inactive Publication Date: 2021-01-26
KINGFA SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the defects of poor wear resistance and weather resistance described in the above prior art, the present invention provides a polyamide composition with high wear resistance and high weather resistance. The polyamide composition has excellent wear resistance and weather resistance, and can Applied in complex and harsh working conditions

Method used

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  • High-wear-resistance high-weather-resistance polyamide composition as well as preparation method and application thereof
  • High-wear-resistance high-weather-resistance polyamide composition as well as preparation method and application thereof
  • High-wear-resistance high-weather-resistance polyamide composition as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～14

[0055] Table 1 shows the content of each component in the high wear-resistant and high-weather-resistant polyamide compositions of Examples 1-14.

[0056]The preparation method is as follows: uniformly mix the components according to Table 1, then put the mixture into a twin-screw extruder for melt blending, extrusion and granulation to obtain a polyamide composition with high wear resistance and high weather resistance.

[0057] Among them, the screw length-to-diameter ratio of the twin-screw extruder is 40:1, the temperature of the screw barrel is 240-300°C, and the screw speed is 200-550rpm.

[0058] The component content (parts by weight) of the polyamide composition of table 1 embodiment 1~14

[0059]

[0060]

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Abstract

The invention discloses a high-wear-resistance high-weather-resistance polyamide composition as well as a preparation method and application thereof. The polyamide composition comprises the followingcomponents: polyamide resin, a toughening agent, methyl triallyl isocyanurate, glass fibers and an auxiliary agent. According to the invention, methyl triallyl isocyanurate is used as an assistant cross-linking agent to promote efficient intermolecular cross-linking of the polyamide material under irradiation, and the toughening agent and the glass fibers have a synergistic effect, so the comprehensive performance of the polyamide composition is improved. The polyamide composition has excellent wear resistance and weather resistance, and a polyamide product prepared through irradiation crosslinking treatment is suitable for being used as a wear-resistant part in the automobile industry or rail transit in a severe environment with large temperature difference.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a polyamide composition with high wear resistance and high weather resistance, a preparation method and application thereof. Background technique [0002] Polyamide materials are widely used in rail transit, electric tools and other industries. With the continuous development and progress of science and technology, the performance of materials in various industries has been continuously improved, especially for the rail transit industry. With the continuous advancement and deepening of new infrastructure, rail transit Construction involves a wider area and faces more complex climatic conditions, so the requirements for the comprehensive performance of materials are higher. Especially in some alpine or high-altitude areas, such as the Sichuan-Tibet line, the high altitude and large temperature difference between day and night put forward higher requirements for the wear ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L77/06C08L51/06C08L23/08C08L23/16C08K13/04C08K7/14C08K5/3492
CPCC08L77/06C08L77/02C08L2312/06C08L2205/02C08L2205/035C08L2205/06C08L2201/08C08K2201/003C08L51/06C08L23/0869C08L23/16C08K13/04C08K7/14C08K5/34922
Inventor 冯德才黄险波叶南飚叶坤豪许鸿基戴剑王丰
Owner KINGFA SCI & TECH CO LTD
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