作者
Jason R Hyde, Edward Lester, Sam Kingman, Stephen Pickering, Kok Hoong Wong
发表日期
2006/11/1
期刊
Composites Part A: Applied Science and Manufacturing
卷号
37
期号
11
页码范围
2171-2175
出版商
Elsevier
简介
Supercritical propanol has been used to extract and remove the epoxy resin from the surface of a carbon fibre composite material. The process appeared to be effective when operating above 450°C and above 50bar. The recovered fibres were found to be virtually as strong, in terms of tensile strength, as the virgin fibres indicating that little had been done to damage their structural integrity. One advantage of this method is that the polymer, as well as the fibre material, can be recovered. The polymer was analysed to investigate what chemical transformations had occurred during treatment. It is seems likely that the amide cross-linker is broken in the polymer to release a residue with a relatively high molecular weight.
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JR Hyde, E Lester, S Kingman, S Pickering, KH Wong - Composites Part A: Applied Science and …, 2006