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Modification of the mechanical and thermal properties of PVC by semi IPN formation with poly(butyl acrylate)
Published in WILEY
Volume: 110
Issue: 1
Pages: 170 - 176
Semil and semi2 interpenetrating polymer networks of poly(vinyl chloride) PVC and in situ formed poly(butyl acrylate) (PBA) have been synthesized and characterized using diallyl phthalate (DAP) and ethylene glycol dimethacrylate (EGDM) as the crosslinkers of PVC and PBA, respectively. These two types of IPNs have been compared with respect to their mechanical and thermal properties. The semil IPNs displayed a decrease in their mechanical parameters and the physical properties as well, while in contrast, the semi2 IPNs exhibited a marginal increase in the corresponding values when compared to the crosslinked PVC in the case of semil IPN and linear PVC in case of semi2 IPN. The representative samples of semil and semi2 IPNs revealed a two-stage-degradation typical of PVC while confirming the increased stability of the samples with higher onset temperature of degradation. The softening characteristics as detected by thermomechanical analysis are in conformity with their mechanicals. © 2008 Wiley Periodicals, Inc.
About the journal
JournalData powered by TypesetJournal of Applied Polymer Science
PublisherData powered by TypesetWILEY