SOME ASPECTS OF PLASTICIZER MIGRATION FROM POLY(VINYL CHLORIDE) SHEETS.

Papaspyrides, CD

dc.contributor.author	Papaspyrides, CD	en
dc.date.accessioned	2014-03-01T01:06:40Z
dc.date.available	2014-03-01T01:06:40Z
dc.date.issued	1986	en
dc.identifier.issn	0021-8995	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/9552
dc.subject	Poly Vinyl Chloride	en
dc.subject.classification	Polymer Science	en
dc.subject.other	PLASTICIZERS - Diffusion	en
dc.subject.other	PLASTICS SHEETS - Testing	en
dc.subject.other	RADIOACTIVITY MEASUREMENT	en
dc.subject.other	FICKIAN MODELS	en
dc.subject.other	MIGRATION KINETICS	en
dc.subject.other	PLASTICIZER MIGRATION	en
dc.subject.other	POLY(VINYL CHLORIDE) SHEETS	en
dc.subject.other	POLYVINYL CHLORIDE	en
dc.title	SOME ASPECTS OF PLASTICIZER MIGRATION FROM POLY(VINYL CHLORIDE) SHEETS.	en
heal.type	journalArticle	en
heal.identifier.primary	10.1002/app.1986.070320730	en
heal.identifier.secondary	http://dx.doi.org/10.1002/app.1986.070320730	en
heal.language	English	en
heal.publicationDate	1986	en
heal.abstract	Long-term migration data, by radioactivity measurements, are presented for the systems poly(vinyl chloride) (PVC)/labelled dioctyl phthalate (DOP)/methanol, n-propanol, or n-butanol. At equilibrium, migration levels determined exceed 85% for methanol and reveal complete removal for the higher alcohols. Migration kinetics failed to be described by the long-term Fickian approximation with a diffusion coefficient independent of concentration. Nevertheless, q//t/q// infinity , where q// infinity the amount migrated at infinite time and q//t the amount lost up to time t, increases linearly with (time)1/**2/(thickness) during the initial stages of the process and then a linear relationship also appears, but with severely reduced slope. Similar data concerning the systems PVC/DOP/ petroleum oils confirm the behavior observed.	en
heal.publisher	JOHN WILEY & SONS INC	en
heal.journalName	Journal of Applied Polymer Science	en
dc.identifier.doi	10.1002/app.1986.070320730	en
dc.identifier.isi	ISI:A1986E790300030	en
dc.identifier.volume	32	en
dc.identifier.issue	7	en
dc.identifier.spage	6025	en
dc.identifier.epage	6032	en