STUDY ON WET PROCESS FORMULA FOR ARAMID Ⅲ FIBER'S

Abstract

Abstract: A matrix formula suitable for the wet winding technology of aramid Ⅲ fiber was studied and developed based on the mechanical property, thermal performance, wettability and processing property. The experimental results show that the formula had a low initial viscosity (430mPa·s) at 35℃ and long pot life(≥8h), which met the requirements of wet winding. The tensile strength, specific elongation and bending strength of the formula were 88.8MPa, 3.23% and 142.8MPa. The Martin heat resistant temperature was 155.1℃, and the glass-transition temperature was 171.5℃. The interlaminar shear strength, tensile strength and modulus of the matrix formula/aramid Ⅲ fiber NOL ring were 51.3MPa, 2102MPa and 96.1GPa. The performance factor and the fiber strength conversion ratio of the Φ150mm vessel were 34.8km and 68.9%, respectively, which could reach the level of aramid Ⅲ/R04 composites by dry winding.

Key words: Aramid Ⅲ fiber, eet winding, matrix formula, composite

CLC Number:

TB332

HE Li, YIN Shu-bang, YANG Jie, LIU Xin-dong. STUDY ON WET PROCESS FORMULA FOR ARAMID Ⅲ FIBER'S[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(8): 77-82.

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