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    • 5. 发明授权
    • Coating compositions, a process for their production and their use for coating water-resistant substrates
    • 涂料组合物,其制备方法及其用于涂覆耐水基材的用途
    • US06376602B1
    • 2002-04-23
    • US08432560
    • 1995-05-01
    • Joachim ProbstWerner KubitzaRolf RoschuHans Josef Laas
    • Joachim ProbstWerner KubitzaRolf RoschuHans Josef Laas
    • C08J300
    • C08G18/6245C08G18/0819C08G18/283C08G18/6229C08G18/706C08G18/8064
    • The present invention relates to water-borne coating compositions wherein the binder contains a mixture of a) a polyol component dispersed in water or a water/solvent mixture which contains at least one polymer prepared from olefinically unsaturated monomers and having a molecular weight (Mn) of at least 500, at least two alcoholic hydroxyl groups per molecule, a hydroxyl value of 15 to 250 mg KOH/g, an acid value of 0 to 7 mg KOH/g and a total content of sulfonate and carboxylate groups of 0 to 4.5 milliquivalents per 100 g of solid resin and b) a polyisocyanate component which is emulsified in the dispersion of polyol component a), has a viscosity at 23° C. of 50 to 10,000 mPa.s and an average NCO functionality of 1.8 to 4.2, and contains 12.0 to 21.5% by weight of (cyclo)aliphatically bound isocyanate groups and, optionally, 2 to 20% by weight of ethylene oxide units present within polyether chains, the polyether chains containing a statistical average of 5 to 70 ethylene oxide units, wherein the components are present in quantities corresponding to an equivalent ratio of isocyanate groups of component b) to alcoholic hydroxyl groups of component a) of 0.2:1 to 5:1. The present invention also relates to a process for the production of these coating compositions and to coated water-resistant substrates prepared from these coating compositions.
    • 本发明涉及水性涂料组合物,其中粘合剂含有分散在水中的多元醇组分或含有至少一种由烯属不饱和单体制备的聚合物的水/溶剂混合物的混合物,其分子量(Mn)为 每分子至少500个,至少两个醇羟基,羟基值为15-250mg KOH / g,酸值为0-7mg KOH / g,磺酸盐和羧酸酯基团的总含量为0-4.5毫克 每100g固体树脂和b)在多元醇组分a)的分散体中乳化的多异氰酸酯组分,其在23℃下的粘度为50至10,000mPa.s,平均NCO官能度为1.8至4.2,并且包含 12.0至21.5重量%的(环)脂族结合的异氰酸酯基团和任选地2至20重量%存在于聚醚链内的环氧乙烷单元,所述聚醚链含有5-70个环氧乙烷单元的统计平均值 其中组分以对应于组分b)的异氰酸酯基团与组分a)的醇羟基的当量比为0.2:1至5:1存在。 本发明还涉及制备这些涂料组合物的方法和由这些涂料组合物制备的涂覆的耐水基材。
    • 9. 发明授权
    • Cationic sizing agents for paper
    • 阳离子上胶剂纸
    • US4806591A
    • 1989-02-21
    • US921173
    • 1986-10-20
    • Joachim ProbstHeinz BaumgenBruno BomerJoachim KonigRenke Mottweiler
    • Joachim ProbstHeinz BaumgenBruno BomerJoachim KonigRenke Mottweiler
    • C08F2/28C08F2/24C08F257/02D21H17/35D21H17/37D21H17/45C08L33/20
    • D21H17/455C08F2/24C08F257/02D21H17/35D21H17/37
    • Cationic sizing agents for paper, obtainable by a process in which a water-soluble cationic terpolymer compound, built up in a chemically uniform manner, of (a) 7 to 40% by weight of N,N-dimethylaminoethyl acrylate and/or methacrylate, (b) 40 to 80% by weight of styrene and (c) 4 to 50% by weight of acrylonitrile, the sum of components (a) to (c) always being 100% by weight and at least 10% of the dimethylamino groups of the terpolymer being quaternized with monoepoxides, with the exception of epihalogenohydrins, and the remainder being protonated, is dissolved in an aqueous medium and, in the presence of 10 to 70% by weight--based on the following monomer mixture--of this emulsifier, (d) 5 to 95% by weight of acrylonitrile, meth-acrylonitrile or styrene or mixtures thereof and (e) 5 to 95% by weight of acrylic acid ester and/or methacrylic acid ester with 1 to 12 C atoms in the alcohol radical--the sum of components (d) and (e) always being 100% by weight--are emulsified and the emulsion thus obtained is subjected to emulsion polymerization, initiated by free radicals, at temperatures of 20.degree. to 150.degree. C.
    • 可通过以下方法获得的阳离子上胶剂:其中以(a)7〜40重量%的N,N-二甲基氨基乙基丙烯酸酯和/或甲基丙烯酸酯组成的以化学均匀的方式构成的水溶性阳离子三元共聚物, (b)40至80重量%的苯乙烯和(c)4至50重量%的丙烯腈,组分(a)至(c)的总和总是100重量%,并且至少10重量%的二甲基氨基 的三元共聚物被单过氧化物季铵化,除了表卤代醇,其余的被质子化,溶解在水性介质中,并且在该乳化剂的基于下列单体混合物的10至70重量%的存在下, (d)5至95重量%的丙烯腈,甲基丙烯腈或苯乙烯或其混合物,和(e)5至95重量%的醇基中具有1至12个C原子的丙烯酸酯和/或甲基丙烯酸酯 组分(d)和(e)总是为100重量%的总和被乳化和乳液 由此获得的乳液聚合在20℃至150℃的温度下由自由基引发。