Non-aqueous dispersions prepared with styrene polymer dispersion

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428323, 524504, 524505, 524560, 524562, 524923, 525 88, 525 93, 525 94, 525242, 525296, 525301, 525302, C08K 501, C08L 5300, B22B 516, B22B 2706

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046393943

ABSTRACT:
Non-aqueous dispersions of polymeric microparticles are disclosed. The dispersions are prepared by free radical initiated addition polymerization of a polymerizable monomer in the presence of a dispersion stabilizer in an organic liquid. The dispersion stabilizer is a styrene polymer terminated with an alpha, beta-ethylenically unsaturated group. The polymeric microparticles are useful as rheology modifiers in coating compositions.

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Napper, "Polymeric Stabilization of Colloidal Dispersions", Academic Press, London, pp. 115,117,149,318, 1983.
Dispersion Polymerization in Organic Media, Barrett, John Wiley & Sons, 1975, pp. 104-106 and 217-218.

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