Structural and melting studies of crosslinked linear polyethylenes

The level of extractables, crystallinity, unit-cell parameters and X-ray line-broadening information have been obtained for linear polyethylene crosslinked using VulCup R® in weight fractions ranging from 0.1 to 3.1%. Melting and crystallization studies have been carried out on the sol and gel frac...

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Bibliographic Details
Published in:Polymer (Guilford) 1990-11, Vol.31 (11), p.2077-2082
Main Authors: Lambert, W.S, Phillips, P.J
Format: Article
Language:English
Subjects:
melting
polyethylenes
structure
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Summary:The level of extractables, crystallinity, unit-cell parameters and X-ray line-broadening information have been obtained for linear polyethylene crosslinked using VulCup R® in weight fractions ranging from 0.1 to 3.1%. Melting and crystallization studies have been carried out on the sol and gel fractions, as well as the unextracted crosslinked polymer. Melting and crystallization behaviour is dependent upon the level of extractables, crystallization temperature and crosslink density. The sol fraction is shown to influence the fraction of high-temperature-melting crystals, as well as their melting temperatures.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(90)90079-E