High-hardness modified PC (polycarbonate) and carbon fiber composite material and preparation method thereof
A composite material and carbon fiber technology, which is applied in the field of high hardness modified PC and carbon fiber composite materials and its preparation, can solve the problems of high glass transition temperature, scratches on the surface, and insufficient hardness, etc., and achieve high coupling efficiency , increase the surface hardness, and promote the effect of miniaturizing the grain size
Inactive Publication Date: 2019-03-08
ANHUI XUSHENG NEW CONCEPT MATERIAL CO LTD
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The invention relates to a high-hardness modified PC (polycarbonate) and carbon fiber composite material which comprises PC resin, carbon fibers and an additive, wherein the additive comprises a coupling agent, a beta crystal form PP (polypropylene) nucleating agent, UHMWPE (ultrahigh molecular weight polyethylene), a chain extender, a fire retardant, a compatilizer and other additives; specifically, the composite material comprises the following ingredients by mass percentage: 60-70% of the PC resin, 20-30% of the carbon fibers, 1-2% of the coupling agent, 3-5% of the beta crystal form PP nucleating agent, 5-10% of the UHMWPE, 0.5-1% of the chain extender, 0.3-1.5% of the fire retardant, 0.1-0.5% of the compatilizer and 1% of the other additives. Compared with the prior art, the compositematerial has the following advantages: 1, the added coupling agent is high in coupling efficiency to a PC material and stable in coupling structure, so that the hardness of the PC material is greatlyimproved.
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