Investigation of Carbon Fibre Reinforced Composites Based on Novel Phenylethynyl-Terminated Polyimde

Abstract:

As part of the continuing studies to develop high performance composite based on new kind of phenylethynyl end-capped imide oligomers for aerospace applications, PETI-type polyimide composites were prepared from carbon fibre (CF) and polyimide matrix resin derived from dianhydride (s-BPDA), 2,5-bis(4-aminophenoxy)-biphenyl(p-TPEQ) and 4-phenylethynylphthalic anhydride (PEPA). The mechanical properties were tested at both room temperature and 177 °C. The flexural properties were determined by 3-point-bending at room temperature. Thermal aging test was carried out by exposing samples at 177°C over 1000 hours, and the mechanical properties were also evaluated before and after isothermal aging. It was demonstrated that the composite had good thermal and mechanical properties.

• Periodical: Advanced Materials Research (Volumes 415-417)
• Pages: 310-315
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.415-417.310
• Online since: December 2011
• Authors: Cheng Xia Tong, Guo Dong Dang, Chun Hai Chen, Hong Wei Zhou
• Keywords: Composite, Phenylethynyl-Terminated, Polyimide

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