THE FABRICATION OF POWDER TACKIFIER FOR COMPOSITE PREFORM

Abstract

Abstract: One kind of powder sizing agent was prepared by Cycom890 resin. According to the rheology property, the prepolymerization temperature was setted at 150℃. The property of resin heated at different temperature was investigated. The results showed that the degree of cure and enthalpy change were approximately linear with the prepolymerization time. The softening point sharply rose when the prepolymerization time approached 2h. The best prepolymerization time was between 1.5h and 2h. In this condition, the resin was solid at room temperature and could be grinded to powder. The powder with low softening point was fit for composite powder sizing agent. The rheology curve of powder at 90℃ revealed that the using life was long.

Key words: tackifier, powder, enthalpy change, rheology, softening point

CLC Number:

GAO Long-fei, CHEN Ping, CHEN Ji-ping, SU Jia-zhi. THE FABRICATION OF POWDER TACKIFIER FOR COMPOSITE PREFORM[J]. Fiber Reinforced Plastics/Composites, 2016, 0(1): 67-70.

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