The studies of physical properties of dimeric fatty acid-modified thiodiphenyl epoxy resins

被引：3
|
作者：
Kim, Daeyeon [1 ]
Kim, Jin-Hong [1 ]
Kwon, Sung Hun [2 ]
Lee, Sok On [2 ]
Seo, Bongkuk [1 ]
Lim, Choong-Sun [1 ]
机构：
[1] Korea Res Inst Chem Technol, Ctr Chem Ind Dev, 45 Jongga Ro, Ulsan, South Korea
[2] Jeil Chem Corp Ltd, 38-16,Hoehak 3 Gil, Ulsan, South Korea
来源：
POLYMER BULLETIN | 2017年 / 74卷 / 11期
关键词：
Toughness; Epoxy resin; Adhesive; Physical property; Adhesive property; THERMAL-PROPERTIES; COMPOSITES;
D O I：
10.1007/s00289-017-1970-x
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A thermally stable thiodiphenyl epoxy resin was modified with a dimeric fatty acid at an epoxy resin:fatty acid molar ratio of 4:1. The thermal and mechanical properties of the modified epoxy resin were studied by preparing an epoxy composition with an amine curing agent and a catalyst, followed by curing at 170 A degrees C to produce a neat plastic epoxy resin. The tensile and impact strengths of the resin indicated improved flexibility and toughness compared to other epoxy resins. Enhanced toughness was confirmed by the increased lap shear strength in single lap joints prepared with steel substrates attached by the resin.
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页码：4595 / 4605
页数：11
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