Molecular recognition in a thermoplastic elastomer

R.A. Koevoets, R.M. Versteegen, H. Kooijman, A.L. Spek, R.P. Sijbesma, E.W. Meijer

Research output: Contribution to journalArticleAcademicpeer-review

103 Citations (Scopus)
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Selective incorporation of bisurea guests in thermoplastic elastomers with poly(tetrahydrofuran) soft blocks and bisurea containing hard blocks is observed when the distances between the urea groups of host and guest match. The incorporation leads to significant modulation of mechanical properties. With bisurea-functionalized dyes as guests, a strong difference in extractability by detergent solution was shown between dyes differing by just one methylene unit between urea groups. Upon elongation of elastomer films, strong differences in alignability of matching and nonmatching dyes were observed.
Original languageEnglish
Pages (from-to)2999-3003
JournalJournal of the American Chemical Society
Issue number9
Publication statusPublished - 2005


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