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  • 发布时间:2017-05-12   来源:  点击量:1937
    专利类型:  发明专利
    申请号:  EP13731408
    申请日期:  2013-06-11
    公开号:  EP2870205B1
    公开日期:  2016-10-19
    申请人:  COATEX SAS
    发明人:  BOUZID MEHDI;SUAU JEAN-MARC;RUHLMANN DENIS;GUERRET OLIVIER
    地址:  
    摘要:  The present invention concerns the use of new additives in a paint formulation comprising titanium dioxide particles (Ti02) as agents improving the opacity of the dry or drying film, and paint formulations comprising such agents.
    主权项:  Use, in an aqueous paint formulation containing titanium dioxide particles, as an agent for improving the opacity of the film that is dry or in the process of drying, of a water-soluble copolymer consisting of: a) 4 to 25% by weight of acrylic acid and/or methacrylic acid monomers and/or any of their salts, b) 75 to 96% by weight of at least one monomer with the formula (I): ????????R-X-R'?????(I) according to which: R represents a polymerizable unsaturated function, notably acrylate, methacrylate, methacrylurethane, vinyl or allyl, R' represents hydrogen or an alkyl group having from 1 to 4 carbon atoms, X represents a structure with n unit(s) of ethylene oxide EO and m unit(s) of propylene oxide PO, arranged randomly, m and n are 2 integers between 0 and 100, at least one of which is non-zero, and are such that m+n is greater than 17, said copolymer having a molecular mass between 200,000 and 50,000,000 g/mol.
    专利分类号:  C09D129/10;C09D133/14;C09D4/06;C09D7/02;C09D133/02
    专利状态:  有效专利
    代理人:  
    代理机构:  Balmefrezol, Ludovic Francis Pierre
    国家及地区:  
    联系电话:  
    Use of new additives in a paint formulation comprising titanium dioxide particles as agents improving the opacity of the dry or drying film
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