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    • 1. 发明授权
    • Aqueous (meth)acrylate copolymer dispersions, method for producing the same, and the use thereof
    • (甲基)丙烯酸水溶液共聚物分散体,其制备方法及其用途
    • US06953822B2
    • 2005-10-11
    • US10220823
    • 2001-03-01
    • Wilma LöckenHeinz-Peter RinkUrsula Heimeier
    • Wilma LöckenHeinz-Peter RinkUrsula Heimeier
    • C09K3/10C08F2/12C08F265/06C09D5/00C09D151/00C09J151/00C08F2/16
    • C08F265/06C09D151/003C09J151/003
    • Aqueous (meth)acrylate copolymer dispersions preparable by (I) subjecting at least one monomer (a) containing at least one hydrophilic functional group which brings about the water-solubility or water-dispersibility of the (meth)acrylate copolymer to (co)polymerization in aqueous/organic solution using at least one oil-soluble initiator which provides free radicals, (II) where appropriate, fully or partly neutralizing the resulting (co)polymer I, (III) dispersing the resultant solution of the (co)polymer I, (partly) neutralized where appropriate, in water, and (IV) copolymerizing and/or graft-copolymerizing at least one monomer (b) in the presence of the resultant dispersion III using oil-soluble initiators which provide free radicals, the monomer or monomers (b) containing at least one hydrophilic functional group which brings about no substantial water-solubility or water-dispersibility of the (meth)acrylate copolymer, or at least one hydrophobic group, and being selected in nature and amount such that the resulting (meth)acrylate copolymer is soluble or dispersible in water.
    • (I)的(甲基)丙烯酸酯共聚物分散体可以通过(I)使含至少一种含有(甲基)丙烯酸酯共聚物的水溶性或水分散性的亲水性官能团的单体(a) 使用至少一种提供自由基的油溶性引发剂,(II)在适当时完全或部分中和得到的(共)聚合物I,(III),将所得(共)聚合物I 在适当时(部分)在水中中和,(Ⅳ)在得到的分散体III的存在下,使用提供自由基的油溶性引发剂共聚和/或接枝共聚至少一种单体(b),该单体或 含有至少一个亲水官能团的单体(b),其不会导致(甲基)丙烯酸酯共聚物或至少一个疏水基团的实质上的水溶性或水分散性,并且在本质上选择 所得到的(甲基)丙烯酸酯共聚物可溶于水或分散于水中。
    • 6. 发明授权
    • Polyurethane-modified copolymers, method for their production and the use thereof
    • 聚氨酯改性共聚物,其制备方法及其应用
    • US07151130B2
    • 2006-12-19
    • US10468448
    • 2002-03-08
    • Wolfgang BremserThomas KrügerWilma LöckenStephan SchwarteHeinz-Peter Rink
    • Wolfgang BremserThomas KrügerWilma LöckenStephan SchwarteHeinz-Peter Rink
    • C08J3/00C08K3/20C08L75/00C08F8/30C08F283/04
    • C08G18/12C08F283/006C08G18/0823C08G18/4288C08G18/6659C08G18/765C09D175/04C08G18/62C08L33/00
    • Polyurethane-modified addition copolymers preparable by free-radically (co)polymerizing an olefinically unsaturated monomer (a) in an aqueous or nonaqueous medium comprising at least one reaction product (A/B) of(A) at least one addition copolymer containing on average per molecule at least 0.1 isocyanate-reactive functional groups and preparable by free-radical copolymerization of at least a) at least one olefinically unsaturated monomer and b) at least one olefinically unsaturated monomer different than the olefinically unsaturated monomer (a1) and of the general formula I R1R2C═CR3R4  (I)  in which the radicals R1, R2, R3, and R4 each independently of one another are hydrogen atoms or substituted or unsubstituted alkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, aryl, alkylaryl, cycloalkylaryl, arylalkyl or arylcycloalkyl radicals, with the proviso that at least two of the variables R1, R2, R3, and R4 are substituted or unsubstituted aryl, arylalkyl or arylcycloalkyl radicals, especially substituted or unsubstituted aryl radicals; in an aqueous medium or nonaqueous medium; and (B) at least one polyisocyanate; processes for preparing them, and their use.
    • 聚氨酯改性的加成共聚物可以通过在包含至少一种平均包含的至少一种加成共聚物的(A)的至少一种反应产物(A / B)的水性或非水性介质中自由基(共)聚合烯属不饱和单体(a) 每分子至少0.1个异氰酸酯反应性官能团,并且可通过至少一种烯属不饱和单体的自由基共聚制备,和b)至少一种不同于烯属不饱和单体(a1)的烯属不饱和单体和一般的 公式I <?in-line-formula description =“In-line Formulas”end =“lead”?> R&lt; 1&lt; 2&gt; 2&lt; C-CR 3& (I)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中基团R 1, R 2,R 3和R 4各自彼此独立地是氢原子或取代或未取代的烷基,环烷基,烷基环烷基,环烷基烷基 ,芳基,烷基 芳基,环烷基芳基,芳基烷基或芳基环烷基,条件是至少两个变量R 1,R 2,R 3,和 R 4是取代或未取代的芳基,芳基烷基或芳基环烷基,特别是取代或未取代的芳基; 在水性介质或非水介质中; 和(B)至少一种多异氰酸酯; 制备它们的过程及其用途。