JOURNAL ARTICLE
Photo-ageing of Poly(Butylene Terephthalate) and Poly(Butylene Terephthalate)-Fibre Glass Systems
Year: 1997 Journal: Polymers and Polymer Composites Vol: 5 (1)Pages: 7-13 Publisher: SAGE Publishing
Abstract
The photolysis and photo-oxidation mechanisms of poly(butylene terephthalate) (PBT) and poly(butylene terephthalate)-fibre glass (PBT-FG) irradiated under polychromatic light (λ ≥ 2300 nm) were studied. Derivatisation reactions coupled to FTIR analysis of the exposed samples permitted the identification of the various photo-products and the proposal of mechanisms. It was found that the same photo-products were formed in PBT and PBT-FG. Micro-FTIR analysis of the irradiated samples showed that the photochemical reactions were limited to a depth of 50 urn from the exposed surface, both in PBT and PBT-FG.
Keywords:
Materials science Fourier transform infrared spectroscopy Irradiation Poly ethylene Photodissociation Polymer chemistry Composite material Ethylene Chemical engineering Photochemistry Chemistry Catalysis Organic chemistry
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14
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0.28
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Citation History
Topics
Polymer crystallization and properties
Physical Sciences → Materials Science → Polymers and Plastics
Surface Modification and Superhydrophobicity
Physical Sciences → Materials Science → Surfaces, Coatings and Films
Fiber-reinforced polymer composites
Physical Sciences → Engineering → Mechanical Engineering
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