Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/1951
Title: Synergistic effect of metal soaps and natural zeolite on poly(vinyl chloride) thermal stability
Authors: Atakul, Sevdiye
Balköse, Devrim
Ülkü, Semra
Keywords: Dehydrochlorination
Dioctyl phthalate
Natural zeolites
Synergistic effect
Issue Date: Jun-2005
Publisher: John Wiley and Sons Inc.
Source: Atakul, S., Balköse, D., and Ülkü, S. Synergistic effect of metal soaps and natural zeolite on poly(vinyl chloride) thermal stability. Journal of Vinyl and Additive Technology, 11(2), 47-56. doi:10.1002/vnl.20035
Abstract: The synergistic effect of metal soaps (zinc stearate and calcium stearate) and/or natural zeolite (clinoptilolite) on PVC thermal stability was investigated. For this purpose, PVC plastisol was prepared by mixing poly(vinyl chloride) (PVC) and dioctyl phthalate (DOP) and stabilized with different amounts of metal soaps and zeolite. Kinetic studies of dehydrochlorination at 140 and 160°C were done for unstabilized and stabilized PVC plastigels using 763 PVC Thermomat equipment. The stabilizing effect of zeolite on the increase in the induction period of the sample was considered to result from the absorption of HCl, a property that was thought to reduce the autocatalytic effect of HCl evolved at the initial stages of dehydrochlorination. Since the induction time of the sample having 0.53% of zinc stearate and 0.53% of zeolite was higher than those of the PVC plastigels having only zinc stearate or zeolite, the synergistic effect on thermal stability was observed at low leveles of these additives.
URI: https://doi.org/10.1002/vnl.20035
http://hdl.handle.net/11147/1951
ISSN: 1083-5601
1083-5601
1548-0585
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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