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The gelation and rigidity modulus of dilute poly(vinyl chloride) gels in phthalate plasticizer solutions

The gelation and rigidity modulus of dilute poly(vinyl chloride) gels in phthalate plasticizer solutions

Leharne, S.A. and Park, G.S. (1983) The gelation and rigidity modulus of dilute poly(vinyl chloride) gels in phthalate plasticizer solutions. British Polymer Journal, 19 (12). pp. 1147-1152. ISSN 0014-3057 (doi:10.1016/0014-3057(83)90011-3)

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Abstract

Static elastic moduli of gels of PVC have been obtained in various dialkyl phthalate plasticizers at times between 0.5 and 200 hr after formation, at temperatures between 27 and 45° and for polymer concentrations between 4 and 10.55%. The moduli increase linearly with log (time) and they increase with decreasing temperature, with increasing polymer concentration and with increasing size of the alkyl group of the plasticizer. These changes follow the same pattern as those observed with plasticized PVC at concentrations normally used in commerce. The moduli obtained at the present concentration have been interpreted using rubber-like elasticity theory and a simplified theory of network equilibrium.

Item Type: Article
Uncontrolled Keywords: PVC, crystallinity
Subjects: Q Science > QD Chemistry
Pre-2014 Departments: School of Science
Related URLs:
Last Modified: 14 Oct 2016 09:12
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/4864

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