Study of polymer-polymer complexes and blends of poly(N-isopropylacrylamide) with poly(carboxylic acid). 2. Poly(acrylic acid) and poly(methacrylic acid) partially neutralized

M. T. Garay, C Alava, M. Rodriguez

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Polymer complexes of poly(N-isopropylacrylamide) with poly(acrylic acid) and poly(methacrylic acid) partially neutralized have been isolated, for degrees of neutralization up to 15%, as a consequence of their mutual precipitation in aqueous solution. Blends of these polymers have been prepared for higher degrees of neutralization of the polyacids, where no insolubilization is observed in their aqueous mixtures. The obtained samples have been calorimetrically studied. All complexes present a single high Tg, while the blends present two Tgs, one of them also very high. Thermal behavior of complexes and blends have also been studied.

Original languageEnglish
Pages (from-to)5799-5807
Number of pages9
JournalPolymer
Volume41
Issue number15
DOIs
Publication statusPublished - Jul 2000

Keywords

  • Blend
  • Complex
  • Glass transition

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