专利名称：Polymerisation process for production of
polymer microparticles of high refractiveindex and coating compositions containingthem
发明人：Backhouse, Alan James,Hunt, Patrick
Arthur,Thorne, Stephen James
申请号：EP80304319.9申请日：19801201公开号：EP0031997B1公开日：19831228
摘要：The production is described of polymer microparticles, which may optionally becrosslinked, by dispersion polymerisation in aliphatic hydrocarbon liquid of a monomermixture which comprises up to 50%of styrene or a substituted derivative thereof and upto 50% by weight of a derivative of maleic acid or fumaric acid which is soluble in thehydrocarbon liquid at the polymerisation temperature. The microparticles have a highrefractive index and are suitable for incorporation in coating compositions which arebased on a film-forming polymer, such as a thermosetting acrylic resin or an alkyd resin,containing a significant proportion of aromatic residues, and which are intended to beused either unpigmented or when containing only light-absorbing pigments.
申请人：IMPERIAL CHEMICAL INDUSTRIES PLC
地址：Imperial Chemical House, Millbank London SW1P 3JF GB
国籍：GB
代理机构：Johnston, Walter Paul
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