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Carbon fiber reinforced polyamide MXD6/ABS alloy material, and preparation raw material, preparation method and applications thereof

An alloy material and polyamide technology, applied in the field of carbon fiber reinforced polyamide MXD6/ABS alloy material and its preparation raw materials and preparation, can solve the problems of electrical image and sound barriers, poor electromagnetic wave shielding effect, poor electromagnetic shielding effect, etc.

Inactive Publication Date: 2019-11-01
JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the demand for plastics and their properties is growing rapidly in the field of electronic instruments and communication equipment. Due to the high insulation of plastics, their electromagnetic shielding effect will be poor, which will cause many negative effects in specific use.
For example, in electrical appliances, due to the poor electromagnetic wave shielding effect of the plastic shell, the image and sound produced by the electrical appliance will be disturbed; in the instrument industry, the poor electromagnetic wave shielding effect of the plastic shell will cause operational failures to the instrument.

Method used

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  • Carbon fiber reinforced polyamide MXD6/ABS alloy material, and preparation raw material, preparation method and applications thereof

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preparation example Construction

[0035] The preparation method of carbon fiber reinforced polyamide MXD6 / ABS alloy material provided by the present invention uses the preparation raw material of above-mentioned carbon fiber reinforced polyamide MXD6 / ABS alloy material as raw material and comprises:

[0036] (1) drying the polyamide MXD6 and ABS resin at 60-100°C until the moisture content is below 0.03wt%;

[0037] (2) Mix the dried polyamide MXD6 and ABS resin and carbon fiber, toughening agent, compatibilizer, nucleating agent and processing aid in proportion to obtain a premix;

[0038] (3) Put the premix in a twin-screw extruder for melting, plasticizing, kneading and kneading, and then extrude through the machine head, draw, cool, pelletize, and dry to obtain the carbon fiber reinforced polyamide MXD6 / ABS alloy material.

[0039] Wherein, the mixing can be manually stirred and mixed, or can be mechanically mixed by using various existing mixing equipment. The mixing conditions are such that the above c...

Embodiment 1

[0044] (1) Polyamide MXD6 (condensation product of m-xylylenediamine and adipic acid, melting point is 235°C) and ABS resin (emulsion polymerization product, wherein the content of butadiene structural unit is 18wt%, styrene structural unit The content of the acrylonitrile structural unit is 60wt%, and the content of the acrylonitrile structural unit is 22wt%) and dried at 80°C until the moisture content is below 0.03wt%;

[0045] (2) The dried polyamide MXD6 and ABS resin and carbon fiber (chopped carbon fiber with an average diameter of 5 μm-7 μm and an average length of 10 μm-2 mm), toughening agent (styrene toughening agent, purchased from Huawen company, the trade mark is HW-200), compatibilizer (maleic anhydride grafted polystyrene with a grafting rate of 1.5wt%), nucleating agent (purchased from Bruggemann Company, trade mark is P22) and processing aid agent (the compound of antioxidant 1010 and 168 according to the weight ratio of 1:2) was mixed evenly in proportion to...

Embodiment 2

[0048] (1) Polyamide MXD6 (condensation product of m-xylylenediamine and adipic acid, melting point is 235°C) and ABS resin (emulsion polymerization product, wherein the content of butadiene structural unit is 25wt%, styrene structural unit The content of the acrylonitrile structural unit is 40wt%, and the content of the acrylonitrile structural unit is 35wt%) and dried at 80°C until the moisture content is below 0.03wt%;

[0049] (2) The dried polyamide MXD6 and ABS resin and carbon fiber (chopped carbon fiber with an average diameter of 5 μm-7 μm and an average length of 10 μm-2 mm), toughening agent (high rubber powder toughening agent, purchased from Jin Lake Company, brand name is HR181), compatibilizer (maleic anhydride grafted ABS with a grafting rate of 3wt%), nucleating agent (purchased from Clariant Company, brand name is CAV 102) and processing aid (γ-ammonia Propyltrimethoxysilane) is uniformly mixed in proportion to obtain a premix;

[0050] (3) The premix is ​​p...

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Abstract

The invention belongs to the field of composite materials, and discloses a carbon fiber reinforced polyamide MXD6 / ABS alloy material, and a preparation raw material, a preparation method and applications thereof. The preparation raw material of the carbon fiber reinforced polyamide MXD6 / ABS alloy material consist of the following components, by weight, 20%-50% of polyamide MXD6, 5%-35% of ABS resin, 5%-35% of carbon fibers, 5%-10% of a flexibilizer, 1%-5% of a compatilizer, 0.2%-0.5% of a nucleating agent and 0.5%-1.5% of a processing aid. The carbon fiber reinforced polyamide MXD6 / ABS alloy material has high impact strength, high conductivity and excellent sound absorption and shock absorption performance; the material can meet the requirements of the field of portable electronic instruments on the performance of thin-wall materials, is very suitable for being used as a thin-wall material in the fields of electronics, communication and automobiles, and has great industrial applicationprospects.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a carbon fiber reinforced polyamide MXD6 / ABS alloy material and its preparation raw material, preparation method and application. Background technique [0002] With the vigorous development of science and technology, it is increasingly becoming a trend to replace steel with plastic. Among them, the demand for plastics and their properties is growing rapidly in the field of electronic instruments and communication equipment. Due to the high insulation of plastics, their electromagnetic shielding effect will be poor, which will cause many negative effects in specific use. For example, in electrical appliances, the poor electromagnetic wave shielding effect of the plastic shell will cause image and sound obstacles produced by the electrical appliance; in the instrument industry, the poor electromagnetic wave shielding effect of the plastic shell will cause operational ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L55/02C08K7/06C08J5/04
CPCC08J5/042C08J2355/02C08J2377/02C08J2455/02C08J2477/02C08K7/06
Inventor 范丽园刘凯戴益婷申应军
Owner JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD