Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
권호 표지

Interface Characteristics of Epoxy Composite Treated with Silane Coupling Agent

실란 결합제 처리된 에폭시 수지 복합재료의 계면 특성

  • 이재영 (서울시립대학교 공과대학 화학공학과) ;
  • 이홍기 (우석대학교 화학공학과) ;
  • 심미자 (서울시립대학교 문리과대학 생명과학과) ;
  • 김상욱 (서울시립대학교 문리과대학 생명과학과)
  • Published : 2001.12.01
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Abstract

The effects of coupling agent on the interface characteristics between epoxy resin and natural zeolite were studied by SEM, optical microscope and universal testing machine (UTM). Epoxy resin as a matrix was diglycidyl ether of bisphenol A (DGEBA)/4,4'-methylene dianiline (MDA)/malononitrile (MN) system and natural zeolite as an inorganic fillet was produced in Korea. With the increment of zeolite content, tensile strength decreased and it was due to the different elastic moduli of two materials. When external stress was loaded on the composites, the stress concentrated on the weakly bonded interface and crack grew easily. To improve the interface characteristics, the surface of the natural zeolite was treated with the silane coupling agent and it was found that the tensile strength was increased. The morphology of the interface showed that the bonding characteristics were modified by coupling agent.

Keywords

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