期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 43, 期 11, 页码 1809-1818出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2012.06.008
关键词
Glass fibres; Polymer-matrix composites (PMCs); Recycling; Mechanical properties
资金
- European Community's Seventh Framework Programme (FP7) [218609]
A hydrolysis process is applied to degrade an unsaturated polyester resin based on DCPD (dicyclopentadiene) and crosslinked with styrene, as the matrix of a composite material reinforced with long glass fibres. Subcritical conditions of water (200 degrees C < temperature < 374 degrees C and pressure < 221 bars) were chosen regarding the involved chemistry for the case of simple esters. Several experiments were realised to measure the effects of the process parameters on the efficiency of hydrolysis, on the quality of the recovered fibres and finally on the nature of the recovered organic products. A washing of the fibres is necessary and appears to be an important step of the process realised in batch conditions. The identification of the recovered organic products indicates that monomers of the resin are obtained but also that secondary reactions occur during the hydrolysis process. (c) 2012 Elsevier Ltd. All rights reserved.
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