Proceedings of the Korean Society For Composite Materials Conference (한국복합재료학회:학술대회논문집)

The Korean Society for Composite Materials (한국복합재료학회)
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Effect of Diffusion on the Adhesion Behavior of Polymer Coated Carbon Fibers with Vinyl Ester Resins

계면확산에 의한 고분자 코팅된 탄소섬유의 계면접착력 변화 연구

  • T. H. Yoon (Kwangju Inst.ritute of Science and Technology) ;
  • H. M. Kang (Kwangju Institute of Science and Technology)
  • Published : 1999.11.01
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Abstract

Poly(arylene ether phosphin oxide) (PEPO), Udel$^{\circledR}$ P-1700, Ultem$^{\circledR}$ 1000. poly(hydroxy ether) (PHE), carboxy modified poly(hydroxy ether)(C-PHE) and poly(hydroxy ether ethanol amine) (PHEA) were utilized for a coating of carbon fibers. Interfacial shear strength(IFSS) of polymers to carbon fibers was also evaluated in order to understand the adhesion mechanism. IFSS was measured via micro-droplet tests, and failure surfaces were analyzed by SEM. Diffusion between polymer and vinyl ester resin was investigated as a function of styrene content; 33. 40 or 50wt.% and the solubility parameters of polymers were calculated. The results were correlated to the interfacial shear strength. The highly enhanced interfacial shear strength (IFSS) was obtained with PEPO coating, and marginally improved IFSS with PHE, Udel$^{\circledR}$ and C-PHE coatings, but no improvement with PHEA and Ultem$^{\circledR}$ coatings.

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