Aqueous dispersions of polymers which comprise a fluorescent dye, process for their production and their use for marking materials
    1.
    发明授权
    Aqueous dispersions of polymers which comprise a fluorescent dye, process for their production and their use for marking materials 有权
    包含荧光染料的聚合物的水性分散体,其制备方法及其用于标记材料的用途

    公开(公告)号:US09006361B2

    公开(公告)日:2015-04-14

    申请号:US14230549

    申请日:2014-03-31

    Applicant: BASF SE

    Abstract: Aqueous dispersions of polymers which obtained by free radical suspension polymerization or free radical miniemulsion polymerization of ethylenically unsaturated monomers in an oil-in-water emulsion whose disperse phase comprises at least one fluorescent dye dissolved in at least one ethylenically unsaturated monomer and has an average particle diameter of at least 1 μm, in the presence of at least one surface-active compound and at least 0.5% by weight, based on the monomers, of at least one hydrophobic, nonpolymerizable, organic compound, of a hydrophobic polymer of at least one C2- to C˜-olefin having a molar mass Mw of up to 10000, of a siloxane having a molar mass Mw of up to 5000 and/or polystyrene having a molar mass Mw of up to 10000, and of the powders obtainable from these polymer dispersions in each case by drying and comprising at least one fluorescent dye for marking of materials.

    Abstract translation: 通过自由基悬浮聚合或烯键式不饱和单体在水包油乳液中的自由基细乳液聚合获得的聚合物的水分散体,其分散相包含溶解在至少一种烯属不饱和单体中的至少一种荧光染料并具有平均颗粒 在至少一种表面活性化合物存在下,至少1μm的至少一种疏水性聚合物的至少一种表面活性化合物和基于单体的至少一种疏水性聚合物的至少一种至少0.5重量% 摩尔质量Mw高达10000的C2-至C-烯烃,摩尔质量Mw高达5000的硅氧烷和/或摩尔质量Mw高达10000的聚苯乙烯和可由其获得的粉末 在每种情况下通过干燥并包含至少一种用于标记材料的荧光染料的聚合物分散体。

    AQUEOUS DISPERSIONS OF POLYMERS WHICH COMPRISE A FLUORESCENT DYE, PROCESS FOR THEIR PRODUCTION AND THEIR USE FOR MARKING MATERIALS
    2.
    发明申请
    AQUEOUS DISPERSIONS OF POLYMERS WHICH COMPRISE A FLUORESCENT DYE, PROCESS FOR THEIR PRODUCTION AND THEIR USE FOR MARKING MATERIALS 审中-公开
    包含荧光染料的聚合物的水性分散体,其生产过程及其用于标记材料的方法

    公开(公告)号:US20140209836A1

    公开(公告)日:2014-07-31

    申请号:US14230549

    申请日:2014-03-31

    Applicant: BASF SE

    Abstract: Aqueous dispersions of polymers which are obtainable by free radical suspension polymerization of ethylenically unsaturated monomers in an oil-in-water emulsion whose disperse phase comprises at least one fluorescent dye dissolved in at least one ethylenically unsaturated monomer and has an average particle diameter of at least 1 μm, in the presence of at least one surface-active compound and at least 0.5% per weight, based on the monomers, of at least one hydrophobic, nonpolymerizable organic compound, of a hydrophobic polymer of at least one C2- to C6-olefin having a molar mass Mw of up to 10 000, of a siloxane having a molar mass Mw of up to 5000 and/or polystyrene having a molar mass Mw of up to 10 000, processes for the preparation of these dispersions and use of aqueous dispersions of polymers which are obtainable by free radical suspension polymerization or by free radical miniemulsion polymerization of ethylenically unsaturated monomers in an oil-in-water emulsion whose disperse phase comprises at least one fluorescent dye in at least one ethylenically unsaturated monomer and has an average particle diameter of at least 100 nm, in the presence of at least one surface-active compound and at least 0.5% by weight, based on the monomers, of at least one hydrophobic, nonpolymerizable, organic compound, of a hydrophobic polymer of at least one C2- to C6-olefin having a molar mass Mw of up to 10 000, of a siloxane having a molar mass Mw of up to 5000 and/or polystyrene having a molar mass Mw of up to 10 000 and of the powders obtainable from these polymer dispersions in each case by drying and comprising at least one fluorescent dye for the marking of materials.

    Abstract translation: 聚合物的水分散体,其可通过烯键式不饱和单体在水包油乳液中的自由基悬浮聚合获得,其分散相包含溶解在至少一种烯键式不饱和单体中的至少一种荧光染料,并且其平均粒径至少为 在至少一种表面活性化合物的存在下,至少一种至少一种表面活性化合物和至少0.5重量%的基于单体的至少一种疏水性的,不可聚合的有机化合物的至少一种C2-至C6- 摩尔质量Mw高达10000的烯烃,摩尔质量Mw高达5000的硅氧烷和/或摩尔质量Mw高达10000的聚苯乙烯,制备这些分散体的方法和使用水性 可通过自由基悬浮聚合获得的聚合物分散体或烯键式不饱和单体在水包油乳液中的自由基细乳液聚合,其分散剂 在至少一种烯属不饱和单体中包含至少一种荧光染料,并且在至少一种表面活性化合物存在下,平均粒径至少为100nm,至少0.5重量%,基于单体 的至少一种疏水性,不可聚合的有机化合物的至少一种摩尔质量Mw高达10,000的C 2 -C 6烯烃的疏水性聚合物,摩尔质量Mw高达5000的硅氧烷,以及 /或具有高达10000的摩尔质量Mw的聚苯乙烯和通过干燥可从这些聚合物分散体获得的粉末,并且包含用于标记材料的至少一种荧光染料。

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