Ablation of the organic matrix: fundamental response of a photo-aged epoxy-glass fibre composite

A tubular, stratified glass-epoxy material composite is artificially or naturally photo-aged. For the first time, photochemical removal of the organic matrix has been measured with precision during photo-ageing with the help of an original technique allowing for the quantification of the morphologic...

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Bibliographic Details
Published in:Polymer degradation and stability 1997-01, Vol.56 (3), p.357-366
Main Authors: Monney, L., Dubois, C., Chambaudet, A.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Physical properties
Polymer industry, paints, wood
Properties and testing
Radiation influence
Technology of polymers
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Summary:A tubular, stratified glass-epoxy material composite is artificially or naturally photo-aged. For the first time, photochemical removal of the organic matrix has been measured with precision during photo-ageing with the help of an original technique allowing for the quantification of the morphological evolution on the material surface. During artificial photo-ageing, the evolution of the erosion rate of the organic matrix led to the assumption that a thin photo-oxidation reactor established and advanced on the nearby irradiated surface. Whether in a natural or artificial environment, the organic matrix decrease in thickness evolved linearly with cumulative global exposure energy. The comparisons between natural and artificial evolutions proved that rainfall was a major parameter in amplifying the erosion phenomenon.
ISSN:0141-3910
1873-2321
DOI:10.1016/S0141-3910(96)00210-8