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    Use of aqueous polymer dispersions for improving resistance to chemical influences
    6.
    发明授权
    Use of aqueous polymer dispersions for improving resistance to chemical influences 有权
    使用聚合物水分散体改善对化学影响的抗性

    公开(公告)号：US09169380B2

    公开(公告)日：2015-10-27

    申请号：US13710952

    申请日：2012-12-11

    Applicant: Sebastian Roller ,  Rolf Dersch ,  Uwe Dittrich ,  Roelof Balk ,  Bas Lohmeijer ,  Ulrich Tromsdorf

    Inventor： Sebastian Roller ,  Rolf Dersch ,  Uwe Dittrich ,  Roelof Balk ,  Bas Lohmeijer ,  Ulrich Tromsdorf

    IPC: C08L33/14 ,  C09D133/14

    CPC classification number: C08L33/14 ,  C09D133/14

    Abstract: Coating compositions containing an aqueous polymer dispersion having improved resistance toward chemicals. The aqueous polymer dispersion is prepared by polymerizing a first composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization and then, in the presence of a product mixture from the previous polymerization, polymerizing a second composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization. The coating compositions are such that the difference between a glass transition temperature of a polymer prepared from the first polymerization and a glass transition temperature of a polymer prepared from the second polymerization is at least 50° C.

    Abstract translation: 含有对化学物质具有改善的耐水性聚合物分散体的涂料组合物。 聚合物水分散体是通过使含有至少一个烯键式不饱和基团（单体）的第一组合物通过自由基水乳液聚合聚合制备的，然后在来自先前聚合的产物混合物存在下，将含有至少一个烯键式 不饱和基团（单体）通过自由基水乳液聚合。 涂料组合物使得由第一聚合制备的聚合物的玻璃化转变温度与由第二聚合制备的聚合物的玻璃化转变温度之间的差为至少50℃。

    COATING MATERIALS COMPRISING COMPOSITE PARTICLES
    9.
    发明申请
    COATING MATERIALS COMPRISING COMPOSITE PARTICLES 审中-公开
    包覆复合颗粒的涂料

    公开(公告)号：US20110184088A1

    公开(公告)日：2011-07-28

    申请号：US13012273

    申请日：2011-01-24

    Applicant: Bas LOHMEIJER ,  Oliver Wagner ,  Ekkehard Jahns

    Inventor： Bas LOHMEIJER ,  Oliver Wagner ,  Ekkehard Jahns

    IPC: C09D133/08 ,  C08K3/34 ,  C09D5/16

    CPC classification number: C09D133/12

    Abstract: The present invention relates to a coating material in the form of an aqueous composition comprising: 25% to 55% by weight of composite particles having an average particle size of 50 to 350 nm, in the form of an aqueous dispersion, which are constructed of 20% to 60% by weight, based on the composite particle, of inorganic solid having an average particle size of 5 to 100 nm, 40% to 80% by weight, based on the composite particle, of a polymer matrix having a T9 in the range from −60 to +40° C. and obtainable by free-radical emulsion polymerization of at least one ethylenically unsaturated monomer, and 20% to 50% by weight of fillers, with 5% to 40% by weight, based on the total solids content, being selected from aluminum silicates, borosilicate glasses, polymethyl methacrylate particles, and polystyrene particles, 1% to 30% by weight of pigments, and 0% to 5% by weight of one or more thickeners 0.1% to 20% by weight of other auxiliaries based in each case on the total solids content, and also to the use thereof for coating surfaces, objects and substrates in permanent water contact, more particularly with swimming pool water.

    Abstract translation: 本发明涉及水性组合物形式的涂料，其包含：25重量％至55重量％的水分散体形式的平均粒度为50至350nm的复合颗粒，其由 基于复合颗粒的20重量％至60重量％的平均粒径为5至100纳米的无机固体，基于复合颗粒的40重量％至80重量％的具有T9的聚合物基质 在-60至+ 40℃的范围内，可通过至少一种烯键式不饱和单体的自由基乳液聚合和20％至50％重量的填料以5％至40％ 总固体含量，选自硅酸铝，硼硅酸盐玻璃，聚甲基丙烯酸甲酯颗粒和聚苯乙烯颗粒，1重量％至30重量％的颜料和0重量％至5重量％的一种或多种增稠剂，0.1％至20％ 在每种情况下，其他助剂的重量占总固体含量 并且还涉及其用于涂覆永久性水接触的表面，物体和基底，更具体地涉及游泳池水。

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