SYNTHESIS AND CHARACTERIZATION OF BLOCK COPOLYMERS CONTAINING ACID AND IONOMERIC FUNCTIONALITIES.

T. E. Long, R. D. Allen, J. E. McGrath

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

By employing anionic techniques, methacrylate containing block systems with controlled compositions, molecular weights and narrow molecular weight was synthesized. Subsequent hydrolysis of the ester functionality to the carboxylic acid or carboxylate group by potassium superoxide or the acid catalyzed hydrolysis of t-butyl methacrylate blocks has a profound effect on solution and bulk mechanical behavior. The synthesis of the t-butyl methacrylate is facilitated by the enhanced t-butyl methacrylate anion stability at room temperature. In addition, the protected nature of the carbonyl group eliminates the necessity to cap the first block in order to prevent carbonyl attack during crossover. The synthesis of various substituted styrenes or diene block copolymers with alkyl methacrylates is discussed.

Original languageEnglish (US)
Title of host publicationPolymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Material
PublisherASC
Pages894
Number of pages1
ISBN (Print)0841209855
StatePublished - 1986
Externally publishedYes

Publication series

NamePolymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Material
Volume55
ISSN (Print)0743-0515

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Polymers and Plastics

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