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    PROCEDIMIENTO PARA LA OBTENCION DE UNA DISPERSION ACUOSA DE PARTICULAS FORMADAS POR UN POLIMERO Y UN PRODUCTO SOLIDO ORGANICO FINAMENTE DIVIDIDO.
    12.
    发明专利
    PROCEDIMIENTO PARA LA OBTENCION DE UNA DISPERSION ACUOSA DE PARTICULAS FORMADAS POR UN POLIMERO Y UN PRODUCTO SOLIDO ORGANICO FINAMENTE DIVIDIDO. 未知

    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

    Inventor： XUE ZHIJIAN ,  WIESE HARM

    IPC: C08F2/22 ,  C08F2/24 ,  C08F2/44 ,  C08F292/00 ,  C08L51/10 ,  C09D125/06 ,  C09D151/10 ,  C09J125/06 ,  C09J151/10

    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

    13.
    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

    Inventor： XUE ZHIJIAN ,  WIESE HARM

    IPC: C08F2/24 ,  C04B20/00 ,  C04B40/00 ,  C08F2/44 ,  C08F212/08 ,  C08F292/00 ,  C08L51/10 ,  C09D151/10 ,  C09J151/10

    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.

    METHOD FOR PRODUCING AN AQUEOUS DISPERSION OF PARTICLES COMPOSED OF A POLYMER AND A FINE-PARTICLE INORGANIC SOLID
    15.
    发明专利
    METHOD FOR PRODUCING AN AQUEOUS DISPERSION OF PARTICLES COMPOSED OF A POLYMER AND A FINE-PARTICLE INORGANIC SOLID 未知

    公开(公告)号：CA2449887A1

    公开(公告)日：2003-01-03

    申请号：CA2449887

    申请日：2002-06-14

    Applicant: BASF AG

    Inventor： WIESE HARM ,  XUE ZHIJIAN

    IPC: C08F2/24 ,  C08F2/44 ,  C08F292/00 ,  C08L51/10 ,  C09D5/02 ,  C09D151/10 ,  C09D157/00 ,  C09J157/00

    Abstract: The invention relates to a method for producing an aqueous dispersion of particles (composite particles) composed of a polymer and a fine-particle inorganic solid. According to said method, at least one ethylenically unsaturated monomer is dispersed in an aqueous medium and is polymerized usi ng at least one radical polymerization initiator in the presence of at least on e dispersed, fine-particle inorganic solid and at least one anionic, cationic, non-ionic dispersent, in accordance with the radical aqueous emulsion polymerization method. In said method, a) a stable aqueous dispersion of the inorganic solid(s) is used, said dispersion being characterized in that it h as an initial concentration of >= 1 wt. %, (in relation to the aqueous dispe rsion of the inorganic solid(s)) and that one hour after production it still retai ns a dispersion of 90 wt. % of the original dispersed solid, the solid particle s of said stable aqueous dispersion having a diameter

    16.
    发明专利
    未知

    公开(公告)号：BR0014888A

    公开(公告)日：2002-06-11

    申请号：BR0014888

    申请日：2000-10-10

    Applicant: BASF AG

    Inventor： XUE ZHIJIAN ,  WIESE HARM

    IPC: C08F2/24 ,  C04B20/00 ,  C04B40/00 ,  C08F2/44 ,  C08F212/08 ,  C08F292/00 ,  C08L51/10 ,  C09D151/10 ,  C09J151/10

    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.

    Production of an aqueous dispersion, useful as an adhesive, comprises emulsion polymerization of ethylenically unsaturated monomers in the presence of a dispersed fine particulate inorganic solid
    18.
    发明专利
    Production of an aqueous dispersion, useful as an adhesive, comprises emulsion polymerization of ethylenically unsaturated monomers in the presence of a dispersed fine particulate inorganic solid 未知

    公开(公告)号：DE19950464A1

    公开(公告)日：2001-04-26

    申请号：DE19950464

    申请日：1999-10-20

    Applicant: BASF AG

    Inventor： XUE ZHIJIAN ,  WIESE HARM

    IPC: C04B20/00 ,  C04B40/00 ,  C08F2/22 ,  C08F2/44 ,  C08F212/08 ,  C08L51/10 ,  C09D151/10 ,  C09J151/10 ,  C04B24/24 ,  C09J139/00 ,  C09D139/00 ,  C09J133/00 ,  C09D133/00

    Abstract: Production of an aqueous dispersion of particles comprising a polymer and a fine particulate inorganic solid (composite particles) comprises emulsion polymerization of a mixture of ethylenically unsaturated monomers in an aqueous medium by means of a radical polymerization inhibitor in the presence of a dispersed fine particulate inorganic solid and a dispersing agent. Production of an aqueous dispersion (I) of particles comprising a polymer and a fine particulate inorganic solid (composite particles) comprises emulsion polymerization of a mixture of ethylenically unsaturated monomers in an aqueous medium by means of a radical polymerization inhibitor in the presence of at least one dispersed fine particulate inorganic solid and a dispersing agent. The process is effected using (A) a stable aqueous dispersion of an inorganic solid having an initial solids concentration of at least 1 wt.% and whereby more than 90 wt.% of the original dispersed solid remains in dispersed form one hour after its preparation and having a weight average diameter of no greater than 100 nm. (B) the dispersed solid particles have an electrophoretic mobility that is different to the null point in an aqueous standard alkali chloride solution at a pH corresponding to the pH of the aqueous reaction medium at the start of the emulsion polymerzation and (C) the mixture of ethylenically unsaturated monomers comprises greater than 0 wt.% to no greater than 4 wt.% of a monomer (A) that either contains at least an acid group and/or corresponding anion if the dispersed solid inorganic particles have a positive electrophoretic mobility or contain an amino-, amido-, ureido- or N-heterocyclic group and/or an alkylated ammonium derivative protonated at the nitrogen group if the dispersed solid inorganic particles have a negative electrophoretic mobility. Independent claims are included for (i) the aqueous dispersion (I) of composite particles, and (ii) a composite particle powder prepared by drying of the aqueous dispersion (I).

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