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

页码：990 / 994

页数：5

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