Improvement of Mechanical Properties of Polyphenylene Sulfide/Carbon Fiber Composites Modified by Aminated Reinforcement
Rui HongKun ZhangBao Ying LiuGang ZhangXiao Jun WangSheng Ru LongJie Yang
Abstract
The carbon fiber (CF) reinforced polyphenylene sulfide (PPS) composite was modified by aminated polyphenylene sulfide (PPS-NH 2 ) with different mass fractions. The quantified influence of aminated PPS on PPS/CF composites was investigated. The PPS/CF composite with 7wt% PPS-NH 2 showed the best mechanical properties. The tensile strength, flexural strength, flexural modulus and impact strength of the composites increased by 12.5%, 13.0%, 38.5% and 31.5%, respectively. PPS-NH 2 hardly influenced the melting process of PPS/CF composite. But the crystallization temperature (T c ) of PPS were obviously increased with the present of aminated PPS.
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