Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
권호 표지

Viscous Properties of Epoxy Resin Filled with Rubber Complex-Treated Silica

고무상 복합물로 표면처리 된 실리카를 충전한 에폭시수지의 점성에 관한 연구

  • Hong, Suk-Pyo (Dept. of Chemical Tech., College of Eng., Chonbuk National University) ;
  • Choi, Sang-Goo (Dept. of Chemical Tech., College of Eng., Chonbuk National University)
  • 홍석표 (전북대학교 공과대학 공업화학과) ;
  • 최상구 (전북대학교 공과대학 공업화학과)
  • Published : 1991.12.31
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Abstract

Surface of crystalline silica was sequentially reacted with silane(A 187), liquid $rubber(CTBN{\times}8)$, and vinyl monomer(GMA) in existence of TEA(triethylamine) or BPO(benzoyl peroxide). It was mixed with epoxy resin at a ratio $0{\times}60%$ (vol. % ) of total component. For mixtures, viscous properties were investigated experimentally. 1) Coating ratio depended on pH of mixture and quantity of catalyst. 2) Treated silica represented lower viscosity than untreated. 3) Thixotropic index represented best at silica_content $15{\sim}23%$ and showed more large deviation over $120^{\circ}C$. 4) Relative viscosity followed kernel's at $0{\times}10%$ of silica content and get out of Mooney's at more than 15%.

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