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Performance of crystallization analysis fractionation and preparative fractionation on the characterization of gamma-irradiated low-density polyethylene
Department of Applied Thermodynamics, Univ. Polit├ęcnica de Valencia.ORCID iD: 0000-0003-3572-7798
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2004 (English)In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 94, no 4, 1803-1814 p.Article in journal (Refereed) Published
Abstract [en]

The effects of gamma-radiation on a low-density polyethylene (LDPE) were investigated by novel techniques, such as crystallization analysis fractionation and preparative fractionation, to analyze and compare their performance with other analytical procedures such as DSC, FTIR, and GPC. The LDPE was thus irradiated with four different doses of gamma-radiation. Different fractions were obtained from these irradiated materials by preparative fractionation, which were characterized by the above-mentioned analysis techniques. The changes in the morphology and chemical structure of LDPE after the irradiation were analyzed and it was found that both oxidative scission and crosslinking are phenomena related to the exposure of LDPE at high-energy radiation. Crystallization analysis fractionation and preparative fractionation proved to be suitable techniques to characterize the effects of gamma-radiation on a low-density polyethylene material.

Place, publisher, year, edition, pages
2004. Vol. 94, no 4, 1803-1814 p.
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Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-48798DOI: 10.1002/app.21067ISI: 000224224400064OAI: oai:DiVA.org:kth-48798DiVA: diva2:484170
Note
QC 20120127Available from: 2012-01-26 Created: 2011-11-23 Last updated: 2017-12-08Bibliographically approved

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