Cleavage of C–N bonds in carbon fiber/epoxy resin composites

Tiansheng Deng; Ying Liu; Xiaojing Cui; Yongxing Yang; Shiyu Jia; Yingxiong Wang; Chunxiang Lu; Debao Li; Rong Cai; Xianglin Hou

doi:10.1039/C4GC02512A

Cleavage of C–N bonds in carbon fiber/epoxy resin composites†

Tiansheng Deng,‡^a Ying Liu,‡^a Xiaojing Cui,^b Yongxing Yang,^a Shiyu Jia,^a Yingxiong Wang,^a Chunxiang Lu,^a Debao Li,^b Rong Cai^a and Xianglin Hou*^a

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^a Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, PR China
E-mail: houxl@sxicc.ac.cn

^b State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, PR China

Abstract

The incompletely coordinated zinc ions in water enable the cleavage of R2C(secondary carbon)–N bonds without breaking the C–O (aromatic ether) and C–C bonds in carbon fiber/epoxy resin composites. This selective cleavage of C–N bonds favors the recovery of valuable carbon fiber and the basic carbon unit of epoxy resin from their waste composites.

This article is part of the themed collection: Elemental Recovery and Sustainability

Green Chemistry

Cleavage of C–N bonds in carbon fiber/epoxy resin composites†

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Cleavage of C–N bonds in carbon fiber/epoxy resin composites

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