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    • 1. 发明授权
    • Water-dilutable binders, a process for their production and their use
    • 水可稀释粘合剂,其生产和使用的过程
    • US4981921A
    • 1991-01-01
    • US292453
    • 1988-12-30
    • Harald BlumPeter HohleinWolfhart Wieczorrek
    • Harald BlumPeter HohleinWolfhart Wieczorrek
    • C09D201/06C08F8/16C08L61/20C09D133/06C09D201/02G01C13/00
    • C08F8/16C09D133/066C08L61/20
    • Water-dilutable binders for water-dilutable lacquers, coating compositions or sealing compounds consist essentially of a mixture of 5 to 40 parts by weight of a crosslinker resin and 60 to 95 parts by weight of a copolymer containing carboxyl groups or acid anhydride groups or both and further containing hydroxyl groups, and wherein the carboxyl or acid anhydride groups have been at least partially converted into carboxylate groups to the degree necessary to provide solubility or dispersibility of the binder in water and said copolymer is obtained by copolymerizing an alpha, beta-unsaturated carboxylic acid, a hydroxyalkyl acrylate or methacrylate, an olefinic monomer, a hydroxy-free acrylate or methacrylate and, optionally other mono-or polyunsaturated monomer, and wherein at least 30% of the hydroxyl groups of the copolymer are modified by esterification with a lactone.
    • 用于水可稀释漆,涂料组合物或密封化合物的水可稀释粘合剂基本上由5至40重量份的交联剂树脂和60至95重量份的含有羧基或酸酐基团或两者的共聚物的混合物 并且进一步含有羟基,并且其中羧基或酸酐基已经至少部分地转化为羧酸基团,以达到提供粘合剂在水中的溶解度或分散性所必需的程度,并且所述共聚物通过将α,β-不饱和 羧酸,丙烯酸羟基烷基酯或甲基丙烯酸羟烷基酯,烯属单体,不含羟基的丙烯酸酯或甲基丙烯酸酯,以及任选的其它单或多不饱和单体,并且其中共聚物的至少30%的羟基通过酯化与内酯进行改性 。
    • 4. 发明授权
    • Isocyanate prepolymers containing ether and ester groups a process for
their preparation and their use for the production of coating, sealing
or casting composition
    • 含有醚和酯类的异氰酸酯预处理剂其制备及其用于生产涂料,密封或铸造组合物的方法
    • US5151484A
    • 1992-09-29
    • US823226
    • 1992-01-21
    • Lutz SchmalstiegPeter HihleinJosef PedainWolfhart Wieczorrek
    • Lutz SchmalstiegPeter HihleinJosef PedainWolfhart Wieczorrek
    • C08G18/10C08G18/42C08G18/48C09D175/06C09D175/08C09K3/10
    • C08G18/4891C08G18/10C08G2190/00
    • The present invention relates to isocyante prepolymers containing ether and ester groups, having an isocyanate content of 1.9% to 25% by weight and based on the reaction product ofA) a polyisocyanate component containing at least one organic polyisocyanate having an average molecular weight of 168 to 1000,B) an organic polyhydroxyl component containing at least one polyhydroxyl compound containing ether and ester groups, having an average hydroxyl functionality of 2 to 3 and an average hydroxyl number of 40 to 90 and based on the esterification products ofi) polyether polyols having an average hydroxyl number of 200 to 600 withii) from 25 to 67 equivalent-%, based on the hydroxyl groups of component (i) and the carboxyl groups of component (ii), of an organic carboxylic acid component containing at least one organic monocarboxylic acid or a mixture of at least one organic monocarboxylic acid with up to 20 carboxyl equivalent-%, based on all the carboxylic acids, of polybasic organic carboxylic acids.The present invention also relates to a process for the preparation of these isocyanate prepolymers containing ether and ester groups and to their as binders or binding components in low solvent or solvent-free polyurethane coating compositions, sealing compositions or casting compositions.
    • 本发明涉及含有醚和酯基的异氰酸酯预聚物,其异氰酸酯含量为1.9〜25重量%,基于A)含有至少一种平均分子量为168的有机多异氰酸酯的多异氰酸酯组分的反应产物 至100,B)含有至少一种含醚和酯基的多羟基化合物的有机多羟基组分,其平均羟基官能度为2至3,平均羟值为40至90,并基于i)聚醚多元醇的酯化产物 平均羟基数为200至600,其中ii)基于组分(i)的羟基和组分(ii)的羧基),含有至少一个有机羧酸组分的25至67当量% 有机单羧酸或至少一种有机一元羧酸与至多20%羧基当量%的混合物,基于所有羧酸,多元组织 c羧酸。 本发明还涉及在低溶剂或无溶剂的聚氨酯涂料组合物,密封组合物或浇铸组合物中制备含有醚和酯基的这些异氰酸酯预聚物以及它们作为粘合剂或粘结组分的方法。
    • 6. 发明授权
    • Process for the production of aqueous polymer dispersions, the
dispersions obtainable by this process and their use for the production
of coatings
    • 用于生产聚合物水分散体的方法,可通过该方法获得的分散体及其用于生产涂料的方法
    • US4918129A
    • 1990-04-17
    • US309815
    • 1989-02-13
    • Joachim ProbstJosef PedainBruno BomerAdolf SchmidtWolfhart Wieczorrek
    • Joachim ProbstJosef PedainBruno BomerAdolf SchmidtWolfhart Wieczorrek
    • C08J7/04B01F17/52C08F2/20C08F2/24C08F2/30C08F283/00
    • C08F2/30C08F283/00
    • Aqueous polymer dispersions useful for coating substrates are prepared by polymerization of olefinically unsaturated monomers in aqueous medium in the presence of radical formers and hydrophilically modified, urethane-group-containing emulsifiers having an average molecular weight below 30,000, wherein the urethane-group-containing emulsifiers are oligourethanes having a branched molecular structure which(i) are produced from organic polyisocyanates and organic compounds containing isocyanate-reactive groups with the reactants containing hydrophilic groups or groups convertible into hydrophilic groups and which are monofunctional or difunctional to isocyanate addition reaction, with the molar ratio of monofunctional hydrophilic components to the corresponding difunctional components being at least 2:1, and which(ii) have a content of chemically incorporated hydrophilic groups sufficient to impart the oligourethane solubility or dispersibility in water, with the proviso that, on a statistical average, at least 2.2 terminally incorporated hydrophilic groups are present per molecule.
    • 可用于涂布基材的水性聚合物分散体是通过烯丙基不饱和单体在水性介质中在自由基形成剂和平均分子量低于30,000的亲水改性的含氨基甲酸酯基的乳化剂存在下聚合制备的,其中含氨基甲酸酯基的乳化剂 是具有支链分子结构的寡聚氨酯,其(i)由有机多异氰酸酯和含有异氰酸酯反应性基团的有机化合物产生,反应物含有可转化为亲水基团的亲水基团或基团,其与异氰酸酯加成反应是单官能的或双官能的, 单官能亲水性组分与相应的双官能组分的比例为至少2:1,并且(ii)具有化学引入的亲水基团的含量足以赋予低聚氨酯在水中的溶解度或分散性,条件是在sta 每个分子存在至少2.2个末端引入的亲水基团。