INFLUENCE OF PREHEATING CONDITIONS ON THE DEGRADATION OF CARBON FIBER REINFORCED POLYPROPYLENE

被引：0

作者：

Piao, Hao ^{[1
]}

Nagatsuka, Wataru ^{[1
]}

Lee, Hooseok ^{[1
]}

Ohsawa, Isamu ^{[1
]}

Takahashi, Jun ^{[1
]}

机构：

[1] Univ Tokyo, Dept Syst Innovat, Tokyo, Japan

来源：

20TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS | 2015年

关键词：

Mechanical properties; Maleic anhydride grafted polypropylene; Thermal oxidative degradation; THERMOOXIDATIVE DEGRADATION;

D O I：

暂无

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Carbon fiber reinforced thermoplastics (CFRTP) show very good mechanical properties and weight saving benefits. And CFRTP has the characteristics of recycling efficiency, enables high-cycle molding and so on. On the other hands, it is thought that mechanical properties of CFRTP are affected by molding conditions, because of a thermal oxidative degradation by heat exposure. In this study, the polymer degradation behavior during preheating process was studied in order to improve the molding process of CFRTP. Specifically, the thermal gravimetric behavior of maleic acid modified polypropylenes (MAPP) was determined in dry air in order to be used to provide basis of thermal oxidative degradation of polypropylene. And the influence of exposure time to change mechanical properties of MAPP was investigated. The relationships between exposure condition and the change of flexural modulus of PP was clarified by using differential scanning calorimetry (DSC).

引用

页数：9

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