EFFECTS OF THE INGREDIENTS IN SIZING AGENT ON THE CARBON FIBER SURFACE PROPERTIES

Abstract

Abstract: Three main components of the sizing agent, i.e., biphenyl A epoxy resin, vinyl ester resin and ether emulsifier for carbon fiber, were comparatively studied on the physical properties such as the surface properties, fuzz weight, splitting rate, hardness, water absorption rate, surface energy and the interlaminar shear strength of the composite (ILSS). Bisphenol A epoxy resin helps to improve fiber surface condition and improve fiber strand integrity. The ether emulsifier helps to reduce the fuzz weight and improve the splitting rate of the fiber. The vinyl ester resin can improve the strand integrity and hardness of the fiber. The rank of total surface energy is epoxy resin>ether emulsifier> vinyl ester resin. The rank of water absorption rate is epoxy resin<vinyl ester resin<ether emulsifier. The water absorption of different components in the sizing agent was not the main influencing factor on the interlaminar shear strength of the carbon fiber composite.

Key words: carbon fiber, sizing agent, surface properties, ILSS

CLC Number:

TB332

HANG Chuan-wei, QIAN Hong-chuan, XU Niu-niu, HE Zhou-wen. EFFECTS OF THE INGREDIENTS IN SIZING AGENT ON THE CARBON FIBER SURFACE PROPERTIES[J]. Fiber Reinforced Plastics/Composites, 2019, 0(7): 60-64.

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