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A polycarbonate resin-based suspension sizing agent for carbon fiber and preparation method thereof

A polycarbonate resin, carbon fiber technology, applied in the direction of carbon fiber, fiber processing, fiber type, etc., can solve the problems of high technical difficulty, high cost, unfavorable for industrial promotion and application, etc., and achieves simple process, high safety and environmental protection. , The effect of good storage application performance

Active Publication Date: 2021-12-07
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of chemically modifying polycarbonate to prepare water-based sizing agent is technically difficult and costly, which is not conducive to the industrial application of carbon fiber reinforced polycarbonate composites

Method used

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  • A polycarbonate resin-based suspension sizing agent for carbon fiber and preparation method thereof
  • A polycarbonate resin-based suspension sizing agent for carbon fiber and preparation method thereof
  • A polycarbonate resin-based suspension sizing agent for carbon fiber and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1～8

[0027] Mix a certain amount of polycarbonate resin powder and polyacrylamide evenly for later use; add a certain amount of water into the stainless steel stirring tank A and turn on the mechanical stirring, keep a certain rotation speed, gradually add the above mixture, and continue stirring for a certain period of time after adding completely; Transfer the above-mentioned aqueous mixture to the stainless steel stirred tank B, add a certain amount of polyvinyl alcohol, turn on the high-speed emulsifier, emulsify at a certain speed for a certain period of time, and then discharge. The polycarbonate powder is from Shanghai Bayer Co., Ltd., and the polyacrylamide and fatty alcohol polyoxyethylene ether are from BASF Co., Ltd. The solid components of the suspension sizing agents prepared in Examples 1-8 are shown in Table 1, the composition and dosage of the sizing agents are shown in Table 2, and the preparation process parameters of the sizing agent are shown in Table 3.

[0028...

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Abstract

The invention discloses a polycarbonate resin-based suspension sizing agent for carbon fibers and a preparation method thereof. The suspension sizing agent of the present invention is composed of polycarbonate resin, dispersant, stabilizer and deionized water. The preparation method of the present invention is simple, and the obtained suspension sizing agent has good stability. The sizing carbon fiber prepared by using the sizing agent of the present invention is suitable for intermediates such as carbon fiber fabrics and prepregs for polycarbonate resin-based composite materials, and has good processing performance. and interface capabilities.

Description

technical field [0001] The invention belongs to the field of carbon fiber sizing agents, in particular to a polycarbonate resin-based suspension type sizing agent for carbon fibers and a preparation method thereof. Background technique [0002] Thermoplastic polycarbonate resin has been widely used in civil and industrial fields such as glass, electronics, and automobiles because of its excellent transparency, impact toughness, and dimensional stability. As the industrial field continues to put forward new requirements for polycarbonate resin applications and fields, the application of polycarbonate resin composite materials has gradually expanded, especially carbon fiber reinforced polycarbonate resin composite materials prepared with carbon fiber as a reinforcing phase, combined with Carbon fiber is lightweight and high-strength and polycarbonate resin is transparent and high-tough. The appearance and performance of the prepared products have typical characteristics, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/513D06M15/285D06M15/333D06M101/40
CPCD06M15/285D06M15/333D06M15/513D06M2101/40D06M2200/40
Inventor 季春晓黄翔宇曹阿民刘瑞超田晓婧张捷袁玉红王平蔡莺莺李松华
Owner CHINA PETROLEUM & CHEM CORP
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