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DSC 분석에 의한 DGEBA / MDA / GN / HQ 계의 경화반응 속도론
Cure Kinetics of DGEBA / MDA / GN / HQ System by DSC Analysis
이재영 , 심미자 , 김상옥 ( J . Y . Lee , M . J . Shim , S . W . Kim )
공업화학 5권 5호 904-909(6pages)
UCI I410-ECN-0102-2009-570-007329669

촉매로 작용하는 HQ의 첨가에 따른 DGEBA/MDA/GN계의 경화반응 속도론 변화를 Kissinger equation과 Fractional life법에 의해 연구하였다. HQ가 첨가된 계가 첨가되지 않은 계보다 활성화 에너지는 약간 감소하였고, pre-exponential factor 값은 30% 정도 증가하였다. 그리고, HQ(1.25phr)가 첨가됨으로 인해 반응속도는 1.8배 정도 증가하였다.

Cure kinetics of DGEBA(diglycidyl ether of bisphenol A)/MDA(4,4`-methylene dianiline)/GN(glutaronitrile) system with and without HQ(hydroquinone) as a catalyst was studied by Kissinger equation and Fractional life method. The activation energy of the system with HQ was somewhat lower and the pre-exponential factor of that was higher by about 30% than those of the system without HQ. As 1.25phr of HQ was added, reaction rates increased about 1.8 times.

[자료제공 : 네이버학술정보]
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