Chemical Recycling of Carbon Fiber Reinforced Epoxy Resin Composites via Selective Cleavage of the Carbon-Nitrogen Bond

被引：150

作者：

Wang, Yuqi ^{[1
,2
]}

Cui, Xiaojing ^{[1
]}

Ge, Hui ^{[1
]}

Yang, Yongxing ^{[1
]}

Wang, Yingxiong ^{[1
]}

Zhang, Ce ^{[2
,3
]}

Li, Jingjing ^{[3
]}

Deng, Tiansheng ^{[1
]}

Qin, Zhangfeng ^{[1
]}

Hou, Xianglin ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Coal Chem, Biorefinery Res & Engn Ctr, Taiyuan 030001, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Inst Coal Chem, Taiyuan 030001, Peoples R China

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2015年 / 3卷 / 12期

关键词：

Chemical recycling; Epoxy resin; Carbon fiber; Selective C-N bond cleavage; PRINTED-CIRCUIT BOARDS; NEAR-CRITICAL WATER; SUPERCRITICAL WATER; IONIC LIQUID; NITRIC-ACID; WASTE; POLYMERS; RECOVERY; DECOMPOSITION; TECHNOLOGIES;

D O I：

10.1021/acssuschemeng.5b00949

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An efficient strategy is developed for chemical recycling of cured epoxy resin (CEP) from its carbon fiber reinforced polymer composites (CFREP) using AlCl3/CH3COOH as the degradation system. Acetic acid swells the dense structures of CEP, facilitating the penetration of the aluminum ion catalyst into the polymer matrix. The weakly coordinating aluminum ions in CH3COOH solution selectively cleave the C-N bond while leaving the C-C, C-O (aryl alkyl ether) bonds intact. This process recovers valuable oligomers and carbon fibers from CFREP.

引用

页码：3332 / 3337

页数：6

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