Promising commercial reinforcement to the nanodiamond/epoxy composite by grafting ammonium ions

被引：0
|
作者：
Qi Wang [1 ,2 ]
Guodong Wen [2 ]
Lingzhi Liu [2 ]
Bo Zhu [3 ]
Dangsheng Su [2 ]
机构：
[1] School of Materials Science and Engineering, University of Science and Technology of China
[2] Institute of Metal Research, Chinese Academy of Sciences
来源：
Journal of Materials Science & Technology | 2018年 / 34卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Polymer-matrix composites; Interface; Mechanical properties; Dynamic mechanical thermal analysis; Nanodiamond/epoxy;
D O I：
暂无
中图分类号：
TB332 [非金属复合材料];
学科分类号：
0805 ; 080502 ;
摘要：
A simple, economic, efficient and eco-friendly nanodiamond(ND) modifying method to reinforce the ND/epoxy composite for the industrialization of the high-performance ND/epoxy composite is always desired. In the present work, the ND was successfully modified only using aqueous ammonia through an easy-to-operate method by replacing the hydrogen atoms in the carboxyl group with ammonium ions.Ammonia, which is the only pollutant in the process, could be recycled. The modified ND/epoxy composite showed an overwhelming advantage over the neat epoxy or the ND/epoxy composite in storage modulus in their glassy state without any degradation of tensile strength, hardness and fracture toughness.
引用
收藏
页码：990 / 994
页数：5
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