자외선 처리된 Epoxy/Glass Fiber의 표면 열화 특성에 관한 연구

A Study on the Surface Degradation Properties of Epoxy / Glass fiber Treated with Ultraviolet Rays

  • 이백수 (인하대 공대 전기공학과) ;
  • 이덕출 (인하대 공대 전기공학과)
  • 발행 : 1999.02.01

초록

In order to analyse the degradation process of epoxy/glass fiber for outdoor condition, FRP laminate was exposed to the wavelength of ultraviolet rays and evaluated by comparing contact angle, surface resistivity, surface potential decay, and ESCA spectrum respectively. As irradiation energy are increased, the surface properties were steeply decreased in the range of 300[nm]. But the measured values within the scope of400[nm]∼440[nm] showed a increase as compared with the untreated ones. Also, fromthe result of ESCA spectrum, it was confirmed plenty of oxygen groups on the spot showing the maximum decrease of surface properties and the existence of ether groups on the surface of coloring phase. We can conclude that the degradation phenomena on the surface of epoxy composites are dominated by the induction of ester and carboxyl groups.

키워드

참고문헌

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