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Preparation method of composite material for mobile phone shell

A technology of composite materials and mobile phone shells, applied in the field of materials, can solve problems such as low strength

Inactive Publication Date: 2018-12-07
安徽酷米智能科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the intensity of existing plastic mobile phone casing is low, needs to be further improved

Method used

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  • Preparation method of composite material for mobile phone shell

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Embodiment 1

[0018] A preparation method of a composite material for a mobile phone shell, comprising the steps of: by weight, 82 parts of polycarbonate, 36 parts of acrylonitrile-butadiene-styrene copolymer, 15 parts of modified carbon fiber, styrene-acrylonitrile ‐8 parts of ternary random copolymer of maleic anhydride, 2 parts of tributyl phosphate, 4 parts of EC type brominated epoxy resin, 0.5 parts of tris(2·4-di-tert-butylphenyl) phosphite, Add 2 parts of pentaerythritol stearate and 0.5 part of bis-2,6-di-tert-butylphenol into a high-speed mixer, and mix for 5 minutes to obtain a compound; extrude the compound on a twin-screw extruder to obtain .

Embodiment 2

[0020] A preparation method of a composite material for a mobile phone shell, comprising the steps of: mixing 95 parts of polycarbonate, 33 parts of acrylonitrile-butadiene-styrene copolymer, 25 parts of modified carbon fiber, styrene-acrylonitrile ‐3 parts of ternary random copolymer of maleic anhydride, 4 parts of tributyl phosphate, 2 parts of EC type brominated epoxy resin, 1 part of tris(2·4-di-tert-butylphenyl) phosphite, Add 1 part of pentaerythritol stearate and 2 parts of bis-2,6-di-tert-butylphenol into a high-speed mixer, and mix for 3 minutes to obtain a compound; extrude the compound on a twin-screw extruder to obtain .

Embodiment 3

[0022] A preparation method of a composite material for a mobile phone shell, comprising the steps of: by weight, 82 parts of polycarbonate, 36 parts of acrylonitrile-butadiene-styrene copolymer, 15 parts of modified carbon fiber, styrene-acrylonitrile ‐8 parts of ternary random copolymer of maleic anhydride, 2 parts of tributyl phosphate, 4 parts of EC type brominated epoxy resin, 0.5 parts of tris(2·4-di-tert-butylphenyl) phosphite, Add 2 parts of pentaerythritol stearate and 0.5 part of bis-2,6-di-tert-butylphenol into a high-speed mixer, and mix for 5 minutes to obtain a compound; extrude the compound on a twin-screw extruder to obtain The set temperatures of each section of the twin-screw extruder are: the first section is 195°C, the second section is 230°C, the third section is 232°C, and the fourth section is 210°C;

[0023] The preparation of described modified carbon fiber:

[0024] S1. Reflux the carbon fiber with acetone for 35 hours, take it out, wash it with deio...

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Abstract

The invention discloses a preparation method of composite material for a mobile phone shell, which includes steps of: feeding raw materials into a high-speed mixer, the raw materials comprising, by weight, 82-95 parts of polycarbonate, 33-36 parts of an acrylonitrile-butadiene-styrene copolymer, 15-25 parts of modified carbon fiber, 3-8 parts of a ternary styrene-acrylonitrile-maleic anhydride random copolymer, 2-4 parts of tributyl phosphate, 2-4 parts of EC type brominated epoxy resin, 0.5-1 part of tri(2,4-di-tert-butylphenyl) phosphite, 1-2 parts of pentaerythritol stearate, and 0.5-2 parts of bis(2,6-di-tert-butylphenol), and mixing the components for 3-5 min to obtain a mixture; and performing extrusive granulation to the mixture on a twin-screw extruder to obtain the composite material. The composite material has great comprehensive performance and high strength.

Description

technical field [0001] The invention relates to the field of material technology, in particular to a method for preparing a composite material for a mobile phone casing. Background technique [0002] Mobile phone cases are mainly made of metal or plastic. The metal mobile phone case has the advantages of good texture and high strength, but it has problems such as high cost, difficult processing, signal problems, difficult coloring, complex process and low production efficiency, so it is difficult for it to gain an advantage in the market. The plastic mobile phone casing is cheap, easy to process, easy to color, insulated, and has little impact on signals, and its molding methods are mainly injection molding and pressing, etc., with high production efficiency and large-scale production, so its market share is relatively high. higher. But the intensity of existing plastic mobile phone casing is low, needs to be further improved. Contents of the invention [0003] Based on...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L55/02C08L35/06C08L63/00C08K13/06C08K9/02C08K9/04C08K7/06C08K5/521C08K5/526
CPCC08L69/00C08L2203/20C08L2205/035C08L55/02C08L35/06C08L63/00C08K13/06C08K9/02C08K9/04C08K7/06C08K5/521C08K5/526
Inventor 金红祥
Owner 安徽酷米智能科技股份有限公司
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