Electrospun PPESK fiber mats interlayer toughened carbon fiber/epoxy resin composite

doi:10.19936/j.cnki.2096-8000.20240928.003

Abstract

Abstract: With the vigorous development of China’s aerospace industry, the demand for high-performance carbon fiber composite materials is increasing. Poly (phthalazine ether sulfone ketone) (PPESK) exhibits good epoxy compatibility, processability, and mechanical properties, showing promising prospects in the field of interlayer toughening of carbon fiber/epoxy resin composite materials. In this study, stable preparation of PPESK ultrafine fiber felts was achieved using electrospinning technology, and through interlayer paving and hot pressing, the composite of PPESK with T800 carbon fiber/high-temperature epoxy resin prepreg was realized. When 17 g/m² of PPESK ultrafine fiber mats were added between the prepregs, the compression after impact of the composite reached 391 MPa, indicating a significant toughening effect for T800 carbon fiber composite materials. Electrospun PPESK fibers have great potential in the toughening carbon fiber composite materials.

Key words: poly(phthalazine ether sulfone ketone), carbon fiber composite, compression after impact, electrospinning, phase separation

CLC Number:

TB332

LÜ Xujin, HUO Hongyu, PENG Gongqiu, ZHANG Baoyan, YE Jinqiu, LIU Yong. Electrospun PPESK fiber mats interlayer toughened carbon fiber/epoxy resin composite[J]. COMPOSITES SCIENCE AND ENGINEERING, 2024, 0(9): 19-27.

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