期刊
COMPOSITES PART B-ENGINEERING
卷 79, 期 -, 页码 342-350出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2015.04.048
关键词
Fracture toughness; Polymer-matrix composites (PMCs); Cure; Particle-reinforcement; Impact behaviour
资金
- Important National Science & Technology Specific Projects [2012ZX04010032]
- National Natural Science Foundation of China [51202211, 51402251]
- Production, Education and Research Prospective Project of Jiangsu province [BY2014108-18]
- Natural science fund of Jiangsu Province [BK20130428]
- National Spark Program of China [2013GA690231]
- Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province [AE201111]
- Graduate Student Research and Innovation Program of Jiangsu Province [CXZZ13_0203]
- Academic Scientific Research Industrialization Projects of Jiangsu Province [JHB2011-53]
- Research fund for wall materials innovation of Jiangsu Economic and Information Technology Commission [2013-2]
A hyperbranched polyester (HBP) was synthesized through a polymerization of AB(2) approach with succinic anhydride and diethanolamine. The effect of HBP and Zirconium slag nanoparticle (ZSN, a kind of solid waste in Zirconium industry) content on the toughness enhancement and morphology of diglycidyl ether of bisphenol A epoxy resin (DGEBA) thermosets was studied. The results indicated that HBP can greatly improve the impact strength (IS) of epoxy thermosets, but the flexural strength (FS) was decreased with increasing the HBP content. The IS of epoxy thermosets modified with ZSN was also improved, and the FS decreases as increase of ZSN. The thermosets modified with both HBP and ZSN showed excellent IS and FS. The toughening enhancement mechanism was also discussed. (C) 2015 Elsevier Ltd. All rights reserved.
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