Realisation of ORMOSIL ionomers by the crosslinking of propyl methacrylate siloxane and a protected styrenesulfonic acid

David C. Apperley; Philip J. Evans; Robert C. T. Slade; John R. Varcoe; Kevin E. Young

doi:10.1039/A908218B

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David C. Apperley,^c Philip J. Evans,^a Robert C. T. Slade,*^b John R. Varcoe^b and Kevin E. Young^a

Author affiliations

* Corresponding authors

^a School of Chemistry, University of Exeter, Exeter, UK

^b Department of Chemistry, University of Surrey, Guildford, UK

^c Industrial Research Laboratories, University of Durham, Durham, UK

Abstract

1,2,3,4-Tetrahydro-1-naphthylideneamino styrene-p-sulfonate (NISS) and poly(propyl methacrylate siloxane) (PMS) were free-radically crosslinked, yielding insoluble copolymers in which the siloxane and NISS components appear well intermixed. These materials were then treated with ultraviolet radiation to deprotect the sulfonic acid functionality and give insoluble hydrophilic ionomers which are stable to temperatures greater than 150 °C. Materials were characterised, before and after ultraviolet deprotection, using FTIR and various NMR spectroscopies, thermogravimetry and differential thermal analysis.

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Article information

DOI: https://doi.org/10.1039/A908218B
Article type: Paper
Submitted: 13 Oct 1999
Accepted: 21 Jan 2000
First published: 09 Mar 2000

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J. Mater. Chem., 2000,10, 849-858

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