Mechanical characterization of epoxy composites with glass fibers grafted by hyperbranched polymer with amino terminal groups

被引：3
|
作者：
Li, Shuiping [1 ,2 ]
Lin, Qing [3 ]
Hou, Haijun [1 ]
Zhu, Huajun [1 ]
Li, Yanbo [1 ]
Wu, Qisheng [1 ]
Cui, Chong [2 ]
机构：
[1] Yancheng Inst Technol, Sch Mat Engn, Yancheng 224051, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Coll Mat Sci & Engn, Nanjing 210094, Jiangsu, Peoples R China
[3] Jinling Inst Technol, Coll Mat Engn, Nanjing 211169, Jiangsu, Peoples R China
来源：
POLYMER BULLETIN | 2016年 / 73卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Polymer-matrix composites; Mechanical properties; Glass fibers; Fracture toughness; INTERFACIAL BONDING STRENGTH; SURFACE MODIFICATION; ARAMID FIBERS; CARBON-FIBER; FIBER/EPOXY COMPOSITE; IMPACT RESISTANCE; RESIN THERMOSETS; NANOFIBERS; CELLULOSE; NANOCOMPOSITES;
D O I：
10.1007/s00289-016-1633-3
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Glass fibers grafted by hyperbranched polymer with amino terminal group, GFs-HBPA, were incorporated into an epoxy matrix to prepare a high-performance composite. Mechanical characterization of epoxy-based composites was performed to investigate the effect of GFs-HBPA in the epoxy matrices. The composites revealed significant improvements in flexural strength, elongation at break, and tensile strength, as well as impact resistance in comparison to the neat epoxy. For instance, the flexural strength, elongation at break, tensile strength, and impact strength for composite with 2 wt% GFs-HBPA were increased by about 17.7, 158, 7.9, and 35.9 %, respectively, in relation with the neat epoxy. The reinforcing effect of GFs-HBPA was analyzed on the fracture surface of composites through field emission scanning electron microscopy.
引用
收藏
页码：2947 / 2960
页数：14
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