Anomalous swelling in rubber and the crosslink dependence of Chi

Gregory B. McKenna, John M. Crissman

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations

Abstract

In prior work in this laboratory, measurements of the mechanical and swelling properties of crosslinked natural rubber suggested that the Flory-Higgins interaction parameter Chi is dependent on the crosslink density of the network. Also an analysis of the swelling activity parameter S and the data of Gee, et al for a similar natural rubber suggests a crosslink dependent Chi based on the fact that S in non-zero at the zero swelling. In this paper we present results from isopiestic measurements of solvent uptake by crosslinked and uncrosslinked rubber, calculate S from these measurements and use data at low degree of swelling to argue that Chi is crosslinked dependent.

Original languageEnglish
Title of host publicationPolymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering
PublisherPubl by ACS
Pages280-282
Number of pages3
ISBN (Print)0841226644
StatePublished - 1993
EventProceedings of the American Chemical Society Division of Polymeric Materials - Science and Engineering - Denver, CO, USA
Duration: Apr 18 1993Apr 23 1993

Publication series

NamePolymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering
Volume68
ISSN (Print)0743-0515

Conference

ConferenceProceedings of the American Chemical Society Division of Polymeric Materials - Science and Engineering
CityDenver, CO, USA
Period04/18/9304/23/93

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