Properties of Epoxidized Soybean Oil Modified Epoxy Resins: Chemorheology and Cure Kinetics

被引：4
|
作者：
Han, Wonhee [1 ]
Lee, Sangmook [2 ]
机构：
[1] Dongyang Univ, 1 Gyochon Dong, Yeongju Si 36040, Gyeongbuk, South Korea
[2] Dankook Univ, Div Chem Engn, 126 Jukjeon Dong, Yongin 16830, Gyeonggi Do, South Korea
来源：
POLYMER-KOREA | 2018年 / 42卷 / 03期
关键词：
epoxidized soybean oil; cycloaliphatic epoxy; methyl hexahydrophthalic anhydride; cure kinetics; chemorheology; SYSTEM;
D O I：
10.7317/pk.2018.42.3.485
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Curing behavior of epoxidized soybean oil modified epoxy resins cured in the presence of an anhydride hardener was studied by differential scanning calorimeter (DSC) and oscillatory rheometer. The rate and the heat of cure reaction decreased and the time of gelation lengthened as the epoxidized soybean oil content increased. The isothermal cure results using DSC fitted well to the values calculated by the modified Kamal's model. It is thought that the reactive epoxidized soybean oil modified epoxy resins with improved processability as well as flexibility and good weather resistance can be obtained by introducing small amount of flexible epoxidized soybean oil to the weather resistible cycloaliphatic epoxy network.
引用
收藏
页码：485 / 491
页数：7
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