Fracture toughness of the novel in-situ polytriazolesulfone modified epoxy resin for carbon fiber/epoxy composites

被引：25

作者：

Lee, Minkyu ^{[1
]}

Kwon, Woong ^{[1
]}

Kwon, Dongjun ^{[2
]}

Lee, Eunsoo ^{[2
]}

Jeong, Euigyung ^{[1
]}

机构：

[1] Kyungpook Natl Univ, Dept Text Syst Engn, Daegu 41566, South Korea

[2] Korea Dyeing & Finishing Technol Inst, Daegu 41706, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2019年 / 77卷

关键词：

Epoxy resin; Fracture toughness; Polytriazolesulfone; Carbon composites; Polymer matrix composites; TOUGHENING MECHANISMS; MICROSTRUCTURE; NANOCOMPOSITES;

D O I：

10.1016/j.jiec.2019.05.012

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This study investigates the toughening effect of the novel in-situ polytriazole toughening agent (PTS), synthesized via azide-alkyne click reaction during epoxy curing reaction. Three different types of epoxy resins, DGEBA, TGAP and DGEBF, and 4,4'-DDS were modified with PTS and their fracture toughness and tensile properties were evaluated. When the epoxy resin has an excellent miscibility with the solid SPB, one monomer of PTS, the toughening effect was the best, improving the fracture toughness of the epoxy resin by 67% only with 5phr PTS without any decrease in the tensile properties of the resulting epoxy resin. (C) 2019 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：461 / 469

页数：9

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