Effect of side-chain length of succinic anhydride on coefficient of thermal expansion behavior of epoxy resins

被引：7
|
作者：
Jin, Fan-Long
Han, Mijeong
Park, Soo-Jin [1 ]
机构：
[1] Inha Univ, Dept Chem, Inchon 402751, South Korea
[2] Korea Res Inst Chem Technol, Adv Mat Div, Taejon 305600, South Korea
[3] Jilin Inst Chem Technol, Dept Chem Engn, Jilin, Peoples R China
来源：
POLYMER INTERNATIONAL | 2006年 / 55卷 / 11期
关键词：
crosslinking; curing of polymers; thermal properties; thermosets;
D O I：
10.1002/pi.2082
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 effect of an alkenyl side-chain of succinic anhydride (SA) on the thermal behavior and the coefficient of thermal expansion (CTE) of diglycidylether of bisphenol A (DGEBA) epoxy resins was studied. The number of carbons in the side-chain of SA was varied from 6 to 14 and N,N-Dimethylbenzylamine was used as an accelerator. As a result, the reactivity of SA with epoxide groups was decreased on increasing the length of the alkenyl side-chain of SA. The thermal stabilities of cured DGEBA/SA samples were approximately constant with varying alkenyl side-chain of SA. Also, the CTE of the systems was increased as the length of the alkenyl side-chain of SA increased. This could be attributed to the increased motion of the chain segments in the epoxy network structure induced by the longer alkenyl side-chain of SA. The effect of amount anhydride, thermoplastics, and fillers on the CTE of the epoxy resins was also discussed. (C) 2006 Society of Chemical Industry.
引用
收藏
页码：1289 / 1295
页数：7
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