Thermal and Cure Shrinkage Behaviors of Epoxy Resins Cured by Thermal Cationic Catalysts

被引：3
|
作者：
Park, Soo-Jin [1 ]
Heo, Gun-Young [1 ]
Jin, Fan-Long [1 ,2 ]
机构：
[1] Inha Univ, Dept Chem, Gyeonggi 402751, South Korea
[2] Jilin Inst Chem Technol, Dept Polymer Mat, Jilin 132022, Peoples R China
来源：
MACROMOLECULAR RESEARCH | 2015年 / 23卷 / 02期
关键词：
epoxy resin; thermal cationic catalyst; cure reactivity; thermal stability; volumetric change; MECHANICAL-PROPERTIES; FRACTURE-TOUGHNESS; HIGH-PERFORMANCE; SYSTEM;
D O I：
10.1007/s13233-015-3028-y
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The thermal and volumetric change properties of diglycidyl ether of bisphenol A (DGEBA) epoxy resin were studied using two thermal cationic catalysts: benzylquinoxalinium hexafluoroantimonate (BQH) and triphenyl benzyl phosphonium hexafluoroantimonate (TBPH). The cure reactivity and thermal stability of the DGEBA/BQH system were higher than those of the DGEBA/TBPH system; this was because of the slow thermal diffusion rate of the DGEBA/TBPH system induced by the bulky phenyl groups in TBPH. The volumetric change values of DGEBA/BQH and DGEBA/TBPH were -0.17% and 7.95%, respectively.
引用
收藏
页码：156 / 160
页数：5
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