Study on properties of rosin based epoxy resin carbon fiber reinforced composites cured at high temperature

doi:10.19936/j.cnki.2096-8000.20220428.006

Abstract

Abstract: In response to the environmental goal of carbon peaking and carbon neutralization in China, biomass glycidyl esters maleopimaric acid epoxy resin, petroleum based bisphenol A epoxy resin E-54 and curing agent DDS were compounded to study the thermal and mechanical properties of high temperature cured rosin based epoxy resin and its composites. The results show that the cured epoxy resin has high mechanical properties and thermogravimetric temperature. The glass transition temperature of the cured DGE resin is 207 ℃, the tensile strength is 87.3 MPa, the tensile modulus is 3.52 GPa, the elongation at break is 4.38%, and the 5% thermal decomposition temperature is about 297 ℃. The dry glass transition temperature of composite laminates prepared with DGE/CCF300 prepreg is 207 ℃, and the wet glass transition temperature is 170 ℃. The dry and wet mechanical properties are equivalent to those of 5222/HT3 composites which have been applied to aircraft structures.

Key words: carbon peaking and carbon neutralization, glycidyl esters maleopimaric acid, epoxy resin, high temperature cured, composite , ,

CLC Number:

TB332

LIU Yan-feng, LIU Qing-man, CHEN Xu. Study on properties of rosin based epoxy resin carbon fiber reinforced composites cured at high temperature[J]. COMPOSITES SCIENCE AND ENGINEERING, 2022, 0(4): 40-44.

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