Kinetics of the anionic polymerization of 2-(tertbutyldimethylsilyloxy) ethyl methacrylate

Thomas Breiner 1 , Hans-Werner Schmidt 1 ,  and Axel H. E. Müller 2
  • 1 Makromolekulare Chemie I
  • 2 Makromolekulare Chemie II, and Bayreuther Institut für Makromolekülforschung, Universität Bayreuth, 95440 Bayreuth, Germany; Fax +49 921 553393

Abstract

The kinetics and the extent of side reactions of the anionic polymerization of silyl-protected 2-hydroxyethyl methacrylate, 2-(tert-butyldimethylsilyloxy)ethyl methacrylate (TBDMS-HEMA), in tetrahydrofuran (THF) were studied as a function of polymerization temperature. Lithium chloride was added in order to achieve a controlled polymerization. The results of polymerizations at various temperatures are compared with reported data for methyl methacrylate and tert-butyl methacrylate in THF. The activation energy for the studied monomer is lower compared to the other methacrylates. Gel permeation chromatography-viscosity studies show that poly(TBDMS-HEMA) exhibits a more wormlike structure in THF than other polymethacrylates, as indicated by a higher Mark-Houwink exponent, α = 1.025.

If the inline PDF is not rendering correctly, you can download the PDF file here.

FREE ACCESS

Journal + Issues

The aim of e-Polymers is to publish original research articles, reviews, and feature articles related to pure and applied polymer science.  This includes synthetic methodologies, characterization and processing techniques for polymer materials. Reports on interdisciplinary polymer science and on applications of polymers in all areas are especially welcome.

Search