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Emission of volatiles from polymers - A new approach for understanding polymer degradation
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknologi.ORCID-id: 0000-0001-8696-9143
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknologi.ORCID-id: 0000-0002-7790-8987
2006 (engelsk)Inngår i: Journal of polymers and the environment, ISSN 1064-7546, E-ISSN 1572-8900, Vol. 14, nr 1, s. 8-13Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Emission of low molar mass compounds from different polymeric materials was determined and the results from the volatile analysis were applied to predict the degree of degradation and long-term properties, to determine degradation rates and mechanisms, to differentiate between biotic and abiotic degradation and for quality control work. Solid-phase microextraction and solid-phase extraction together with GC-MS were applied to identify and quantify the low molar mass compounds. Volatiles were released and monitored at early stages of degradation before any matrix changes were observed by e.g. SEC, DSC and tensile testing. The analysis of volatiles can thus also be applied to detect small differences between polymeric materials and their susceptibility to degradation. The formation of certain degradation products correlated with the changes taking place in the polymer matrix, these indicator products could, thus, be analysed to rapidly predict the degree of degradation in the polymer matrix and further to predict the long-term properties and remaining lifetime of the product.

sted, utgiver, år, opplag, sider
2006. Vol. 14, nr 1, s. 8-13
Emneord [en]
emission of volatiles, polymer, chromatography, lifetime prediction, degradation, solid-phase microextraction, molecular-weight products, poly(butylene succinate), matrix changes, polyethylene, polylactide, adipate), pattern, spme, acid
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Identifikatorer
URN: urn:nbn:se:kth:diva-15391DOI: 10.1007/s10924-005-8702-2ISI: 000234924400002Scopus ID: 2-s2.0-31444449163OAI: oai:DiVA.org:kth-15391DiVA, id: diva2:333432
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QC 20100525

Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2020-01-08bibliografisk kontrollert

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