A random acrylate copolymer with epoxy-amphiphilic structure as an efficient toughener for an epoxy/anhydride system
Fangqiao Zhao
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorXiaoma Fei
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorWei Wei
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorWeitao Ye
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorJing Luo
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorYaxin Chen
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorYe Zhu
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorCorresponding Author
Xiaoya Liu
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Correspondence to: X. Liu (E-mail: [email protected])Search for more papers by this authorFangqiao Zhao
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorXiaoma Fei
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorWei Wei
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorWeitao Ye
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorJing Luo
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorYaxin Chen
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorYe Zhu
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Search for more papers by this authorCorresponding Author
Xiaoya Liu
The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122 People's Republic of China
Correspondence to: X. Liu (E-mail: [email protected])Search for more papers by this authorABSTRACT
Toughening of epoxy resin by block copolymers containing an epoxy-philic block and an epoxy-phobic block is usually costly because of their complex preparation procedure. In this work, a novel, random epoxy-amphiphilic copolymer (PHGEL), which combines an “epoxy-philic” component and an “epoxy-phobic” component, has been synthesized and evaluated as a potential toughening agent for a diglycidyl ether of bisphenol A–based epoxy thermoset (EP). The curing behavior of the EP/PHGEL system has been investigated, and the results show that the hydroxyl group on the PHGEL chain can slightly activate the curing reaction. The mechanical testing shows that the toughness of the epoxy resin is improved by 294% when 4 wt % of PHGEL is added. Simultaneously, the tensile strength, elongation at break, and glass-transition temperature are also improved. In addition, the thermogravimetric analysis shows that PHGEL has no obvious effect on the thermal stability of the epoxy thermosets. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44863.
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