Polymeric networks assembled by adamantyl and ß-Cyclodextrin Substituted Poly(acrylate)s: Host-Guest interactions, and the effects of ionic strength and extent of substitution

Jie Wang, Duc Truc Pham, Xuhong Guo, Li Li, Stephen F. Lincoln, Zhaofeng Luo, Hailan Ke, Li Zheng, Robert K. Prud'homme

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29 Scopus citations

Abstract

The construction of polymer networks through host-guest complexation between the β-cyclodextrin (βCD) substituents of 6A-(1-(2- aminoethyl)amino)-6A-deoxy-β-cyclodextrin 2, 3, and 6% randomly substituted poly(acrylate) (PAAβCDen) and the adamantyl (AD) substituents of 1-(2-aminoethyl)amidoadamantyl 2, 3, and 6% randomly substituted poly(acrylate) (pAAADen) is reported. A 2D 1H NOESY NMR spectroscopic study shows the formation of host-guest complexes by the βCD and AD substituents. This is characterized by a complexation constant, K1 = 3020 ± 60 mol-1 dm3, for 3% substituted PAAβCDen and PAAADen as shown by isothermal titration calorimetry. The viscosity ofa2wt%equimolar mixture of 3% randomly substituted PAAβCDen and PAAADen reaches a maximum at [NaCl] = 0.1 mol dm-3, and the viscosity and the storage and loss moduli (G' and G") increase with the increase in degree of substitution from 2 to 6%.

Original languageEnglish (US)
Pages (from-to)609-612
Number of pages4
JournalIndustrial and Engineering Chemistry Research
Volume49
Issue number2
DOIs
StatePublished - Jan 20 2010

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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