75.
    发明专利
    未知

    公开(公告)号:DE102005000918A1

    公开(公告)日:2006-07-20

    申请号:DE102005000918

    申请日:2005-01-06

    Applicant: BASF AG

    Inventor: WIESE HARM

    Abstract: A process for preparing an aqueous dispersion of particles composed of addition polymer and finely divided inorganic solid (composite particles), in which process ethylenically unsaturated monomers are dispersely distributed in aqueous medium and polymerized by the method of free-radical aqueous emulsion polymerization by means of at least one free-radical polymerization initiator in the presence of at least one dispersely distributed, finely divided inorganic solid and at least one dispersant, which comprises using a monomer mixture comprising >0 and ≦̸10% by weight of at least one ethylenically unsaturated monomer containing an epoxide group.

    PROCEDIMIENTO PARA LA OBTENCION DE UNA DISPERSION ACUOSA DE PARTICULAS FORMADAS POR UN POLIMERO Y UN PRODUCTO SOLIDO ORGANICO FINAMENTE DIVIDIDO.

    公开(公告)号:ES2231260T3

    公开(公告)日:2005-05-16

    申请号:ES00962418

    申请日:2000-08-31

    Applicant: BASF AG

    Abstract: Procedimiento para la obtención de una dispersión acuosa, formada por un polímero y la puesta a disposición de partículas compuestas de substancia sólida inorgánica finamente dividida, en el cual al menos un monómero etilénicamente insaturado se distribuya en el medio acuoso de forma dispersa y se polimeriza mediante al menos un iniciador de polimerización por medio de radicales en presencia de al menos una substancia sólida inorgánica, finamente dividida y distribuida de forma dispersa y al menos un dispersante según el método de la polimerización en emulsión acuosa por medio de radicales, caracterizado porque a) se emplea una dispersión acuosa y estable de al menos una substancia sólida inorgánica, la cual se caracteriza por que contiene en una concentración de producto sólido inicial de > de un 1 % en peso, referido a la dispersión acuosa de al menos una substancia sólida, todavía una hora después de su obtención más que un 90 % en peso de la substancia sólida dispersa en su origen en forma dispersa y sus partículas de substancia sólida dispersas muestran un diámetro promedio en peso

    78.
    发明专利
    未知

    公开(公告)号:DE59911144D1

    公开(公告)日:2004-12-30

    申请号:DE59911144

    申请日:1999-03-08

    Applicant: BASF AG

    Abstract: The present invention provides for the use of aqueous film-forming formulations comprising at least one copolymer P as film-forming constituent which is present in disperse form in the formulation and is composed of ethylenically unsaturated monomers M, the monomers M comprisingi. from 70 to 99.9% by weight of at least one ester of methacrylic acid with a C1-C10-alkanol andii. from 0.1 to 30% by weight of at least one different monoethylenically unsaturated monomerand at least 50% by weight of the monomers M being other than methyl methacrylate and not more than 1% by weight of the monomers M having two or more ethylenically unsaturated double bonds, for coating mineral moldings.The present invention additionally provides a method of coating the mineral moldings, and also the mineral moldings themselves.

    79.
    发明专利
    未知

    公开(公告)号:AT283875T

    公开(公告)日:2004-12-15

    申请号:AT00969468

    申请日:2000-10-10

    Applicant: BASF AG

    Abstract: A process for preparing an aqueous dispersion of particles composed of addition polymer and finely divided inorganic solid (composite particles), in which process a mixture of ethylenically unsaturated monomers is dispersely distributed in aqueous medium and is polymerized by the method of free-radical aqueous emulsion polymerization by means of at least one free-radical polymerization initiator in the presence of at least one dispersely distributed, finely divided inorganic solid and at least one dispersant.

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