Properties of polyelectrolyte-stabilised dispersions. Polystyrene latices stabilised by poly(methyl methacrylate-co-glycidyl methacrylate)–g-poly(acrylic acid)
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 77 (4) , 909-917
- https://doi.org/10.1039/f19817700909
Abstract
Polystyrene latices stabilised by an adsorbed graft copolymer of poly(acrylic acid) flocculate on cooling in the presence of high concentrations of 1:1 electrolyte (> 1 mol dm–3). Critical flocculation temperatures have been measured as a function of degree of ionisation, salt concentration and type and are shown to correlate well with the corresponding θ-temperatures for poly(acrylic acid). An analogy is drawn between stabilisation of colloids by polyelectrolytes and steric stabilisation by non-ionic polymers.Keywords
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