Recycling of carbon fibre reinforced composites using water in subcritical conditions

被引：101

作者：

Liu Yuyan ^{[1
]}

Shan Guohua ^{[1
]}

Meng Linghui ^{[1
]}

机构：

[1] Harbin Inst Technol, Harbin 150001, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2009年 / 520卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

Composites; Carbon fibre; Epoxy resin; Chemical recycling; Water; RESIN;

D O I：

10.1016/j.msea.2009.05.030

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper, a method of chemical recycling of thermosetting epoxy composite was discussed. Water was used to be reaction medium and the decomposition of carbon fibre reinforced epoxy composites was studied. Experiments were devised in order to identify the significant process parameters that affect fibre reinforced composite recovery potential including temperature, time, catalyst, feedstock, and pressure. Experiments were performed in a batch-type reactor without stirring. Under the condition that the temperature was 260 degrees C and the ratio of resin and water was 1:5 g/mL, the decomposition rate could reach 100 wt.% and the carbon fibres were obtained. The results from the Scanning Electron Microscopy (SEM) and Atomic Force Microscope (AFM) measurements showed that the fibres were clean and no cracks or defects were found. The average tensile strength of the reclaimed fibres was about 98.2% than that of the virgin fibres. (C) 2009 Elsevier B.V. All rights reserved

引用

页码：179 / 183

页数：5

共 10 条

[1] Characterization of thermally reworkable thermosets: materials for environmentally friendly processing and reuse [J].