Steric effects and competitive intra-and intermolecular host-guest complexation between beta-cyclodextrin and adamantyl substituted poly(acrylate)s in water: A 1H NMR, rheological and preparative study

Xuhong Guo, Jie Wang, Li Li, Duc Truc Pham, Philip Clements, Stephen F. Lincoln, Bruce L. May, Qingchuan Chen, Li Zheng, Robert K. Prud'homme

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

A 1H NMR and rheological study of host-guest complexation interactions between three β-cyclodextrin and three adamantyl substituted poly(acrylate)s, and also between them and adamantan-1-carboxylate and native β-cyclodextrin, respectively, is reported. A close correllation between molecular level interactions and macroscopic characteristics of polymer networks in aqueous solution exists. It is found that intraand intermolecular host-guest complexation between the host β-cyclodextrin and guest adamantyl substituents and the length of the aliphatic tether between them and the poly(acrylate) backbone have important roles. Dominantly, steric effects and competitive intra-and intermolecular host-guest complexation are found to control poly(acrylate) isomeric interstrand linkage in polymer network formation. The preparations of five new 3% randomly substituted poly(acrylate)s are reported.

Original languageEnglish (US)
Pages (from-to)1818-1825
Number of pages8
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume48
Issue number16
DOIs
StatePublished - Aug 15 2010

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Keywords

  • Host-guest complexation
  • NMR
  • Poly(acrylate)
  • Rheology
  • β-cyclodextrin

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