New thermoplastic elastomers by quasiliving atom transfer free radical grafting

Tamás Fónagy, Béla Iván, Márta Szesztay

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Controlled synthesis of a new thermoplastic elastomer (TPE), poly(isobutylene-g-styrene) (PIB-g-PSt) was achieved by quasiliving atom transfer radical polymerization (ATRP). A new commercially available butyl rubber containing bromobenzyl moieties was used as macroinitiator for ATRP of styrene catalyzed by CuBr/2,2′-bipyridine complex. Both bulk and solution polymerization resulted in well-defined graft copolymers as indicated by analyses with 1H NMR and GPC. Phase separated morphology in these graft copolymers was found by DSC. Stress-strain analyses indicate high elongation and tensile strength for PIB-g-PSt grafts with certain composition. This new grafting process and the resulting TPE are candidates for several useful applications.

Original languageEnglish
Pages (from-to)1411-1419
Number of pages9
JournalJournal of Reinforced Plastics and Composites
Volume21
Issue number15
DOIs
Publication statusPublished - Oct 22 2002

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Polymers and Plastics
  • Materials Chemistry

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