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    • 6. 发明授权
    • Method for producing aqueous polymer dispersions containing at least one lipophilic active substance and the use thereof
    • 含有至少一种亲脂性活性物质的聚合物水分散体的制造方法及其用途
    • US08039549B2
    • 2011-10-18
    • US12305976
    • 2007-06-05
    • Andreas BrockmeyerRoland EttlRainer Dyllick-Brenzinger
    • Andreas BrockmeyerRoland EttlRainer Dyllick-Brenzinger
    • C08L89/00
    • C08F2/24C08F2/44
    • A process for the preparation of aqueous polymer dispersions comprising at least one lipophilic active substance by emulsion polymerization of ethylenically unsaturated monomers in an aqueous medium in the presence of at least one lipophilic active substance, wherein (i) at least one lipophilic active substance which has a water solubility of not more than 5 g/l (determined at 25° C. and 1013 mbar) and a melting point below 130° C. is emulsified in an aqueous solution which comprises at least one dispersion stabilizer with formation of an aqueous dispersion of the active substance having a mean particle size of not more than 1000 nm and (ii) a monomer composition which comprises at least 80% by weight of a neutral, monoethylenically unsaturated monomer emulsifiable in water is subjected to an emulsion polymerization in the aqueous dispersion of the active substance which is obtained according to (i), and use of the dispersions thus obtainable as sizes for paper, board and cardboard, for the treatment and for the stabilization of thermoplastic polymers, for material protection and for crop protection.
    • 一种制备包含至少一种亲脂性活性物质的含水聚合物分散体的方法,其通过在至少一种亲脂性活性物质存在下,在含水介质中的烯属不饱和单体的乳液聚合反应,其中(i)至少一种亲脂性活性物质,其具有 将水溶解度不超过5g / l(在25℃和1013毫巴下测定)和低于130℃的熔点在含有至少一种分散稳定剂的水溶液中乳化,形成水分散体 的平均粒径不大于1000nm的活性物质和(ii)包含至少80重量%的在水中可乳化的中性单烯属不饱和单体的单体组合物在水分散体中进行乳液聚合 根据(i)获得的活性物质的使用,以及由此获得的分散体作为纸,纸板和纸板的尺寸, 用于热塑性聚合物的处理和稳定化,用于材料保护和作物保护。
    • 7. 发明授权
    • Fine-particled amphoteric aqueous polymer dispersion method for production and use thereof
    • 细颗粒两性水性聚合物分散体的制造和使用方法
    • US07579414B2
    • 2009-08-25
    • US11569912
    • 2005-06-03
    • Hildegard KukulaRoland EttlRainer Dyllick-BrenzingerBernhard Sturm
    • Hildegard KukulaRoland EttlRainer Dyllick-BrenzingerBernhard Sturm
    • C08F2/00
    • D21H21/16C08F212/08C08F212/10C08F257/02C14C11/003D21H11/14D21H17/37D21H17/375D21H17/45C08F2/18C08F220/18
    • Finely divided, amphoteric, aqueous polymer dispersions which are obtainable by a two-stage polymerization, a prepolymer being prepared in the first polymerization stage from a monomer mixture comprising (a) from 15 to 40% by weight of at least one (meth)acrylate and/or (meth)acrylamide having in each case a free amino group, protonated amino group and/or quaternized amino group, (b) from 40 to 70% by weight of at least one optionally substituted styrene, (c) from 0 to 25% by weight of acrylonitrile and/or methacrylonitrile, (d) from 0.5 to 5% by weight of at least one ethylenically unsaturated monomer comprising acid groups and (e) from 0 to 30% by weight of at least one nonionic, ethylenically unsaturated monomer differing from (b) and (c), the sum of (a)+(b)+(c)+(d)+(e) being 100% by weight, in a solution polymerization in a solvent partly to completely miscible with water, water then being added to the solution/dispersion of the prepolymer and then at least one nonionic, ethylenically unsaturated monomer being subjected to an emulsion polymerization in the aqueous solution of the prepolymer in a second polymerization stage, processes for the preparation of the polymer dispersions by two-stage polymerization and use of the polymer dispersions as sizes for paper, board and cardboard.
    • 通过两阶段聚合可得到的细分两性聚合物水分散体,预聚物在第一聚合阶段由单体混合物制备,所述单体混合物包含(a)15-40%重量的至少一种(甲基)丙烯酸酯 和/或(甲基)丙烯酰胺,其各自为游离氨基,质子化氨基和/或季铵化氨基,(b)40至70重量%的至少一种任选取代的苯乙烯,(c)0至 25重量%的丙烯腈和/或甲基丙烯腈,(d)0.5至5重量%的至少一种包含酸基的烯键式不饱和单体和(e)0至30重量%的至少一种非离子,烯属不饱和单体 与(b)和(c)不同的单体,在溶剂中的溶液聚合中部分地完全混溶的(a)+(b)+(c)+(d)+(e)的总和为100重量% 用水,然后将水加入到预聚物的溶液/分散体中,然后加入至少一种非离子的乙烯 lly不饱和单体在第二聚合阶段在预聚物的水溶液中进行乳液聚合,通过两步聚合制备聚合物分散体的方法和使用聚合物分散体作为纸,纸板和纸板的尺寸。