Enhanced interfacial properties of carbon fiber composites via aryl diazonium reaction "on water"

被引：25

作者：

Wang, Yuwei ^{[1
,2
]}

Meng, Linghui ^{[1
]}

Fan, Liquan ^{[1
,2
]}

Ma, Lichun ^{[1
]}

Qi, Meiwei ^{[1
]}

Yu, Jiali ^{[1
]}

Huang, Yudong ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R China

[2] Qiqihar Univ, Coll Mat Sci & Engn, Qiqihar 161006, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2014年 / 316卷

基金：

中国国家自然科学基金;

关键词：

Carbon fibers; Aryl diazonium reaction; Phenyl amine group; Interfacial properties; TRANSFER RADICAL POLYMERIZATION; TENSILE-STRENGTH; ELECTROCHEMICAL REDUCTION; SURFACE-TREATMENT; FUNCTIONALIZATION; NANOTUBES; OXIDATION; SYSTEM; SALTS; ELECTRODE;

D O I：

10.1016/j.apsusc.2014.08.022

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Polyacrylonitrile-based carbon fibers were functionalized with phenyl amine group via aryl diazonium reaction "on water" to improve their interfacial bonding with resin matrix. Raman spectroscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and scanning electron microscopy were employed to characterize ordered degree, functional groups, chemical states and morphology of carbon fiber surface, respectively. The results showed that phenyl amine groups were grafted on the fiber surface successfully. Mechanical property test results indicated that the aryl diazonium reaction in this paper could improve the interfacial shear strength by 73%, while the tensile strength was down very slightly. Hence aryl diazonium reaction "on water" could be a facile green platform to functionalize carbon fibers for many interesting applications. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：366 / 372

页数：7

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