Can charged (block co)polymers act as stabilisers and flocculants of oxides?

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

    Research output: Contribution to journalArticleAcademicpeer-review

    37 Citations (Scopus)

    Abstract

    We have examined the use of polyelectrolytes and charged block copolymers as flocculants and stabilisers. The adsorbed layer was characterised by adsorption data and -potential measurements. Furthermore, the stability of Ludox dispersions in the presence of these polymers was investigated. We conclude that charged polymers can be used both as stabilisers and flocculants. The influence that the polymers have depends critically on the polymer charge, the dosage and the molar mass of the polymers. In order to optimise their performance we formulate a number of requirements for the polymers.
    Original languageEnglish
    Pages (from-to)77-88
    JournalColloids and Surfaces. A: Physicochemical and Engineering Aspects
    Volume117
    DOIs
    Publication statusPublished - 1996

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