Novel water-soluble block copolymers of dimethylaminoethyl methacrylate and dihydroxypropyl methacrylate.

N.G. Hoogeveen, M.A. Cohen Stuart, G.J. Fleer

    Research output: Contribution to journalArticleAcademicpeer-review

    55 Citations (Scopus)

    Abstract

    In this publication we describe the synthesis and properties of a novel type of block copolymer. The anionically synthesised block copolymer consists of a neutral, watersoluble block (2,3-dihydroxypropyl methacrylate, HMA) and a pH-dependently charged one (2-dimethylaminoethyl methacrylate, AMA). The adsorption on silica and its effect on the colloidal stability were evaluated. The adsorbed amount is mainly determined by the electrostatics, which leads to a maximum adsorbed amount at low AMA content. The block copolymers tend to destabilise colloidal silica, due to a charge neutralisation upon adsorption, which is not compensated by the formation of a steric layer.
    Original languageEnglish
    Pages (from-to)2553-2564
    JournalMacromolecular Chemistry and Physics
    Volume197
    DOIs
    Publication statusPublished - 1996

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