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    • 1. 发明授权
    • Coating compounds, a process for their production and their use for the production of coatings
    • 涂料化合物,其生产工艺及其在涂料生产中的应用
    • US06319981B1
    • 2001-11-20
    • US08211698
    • 1994-04-13
    • Rolf DheinKnud ReuterLothar BäckerJoachim ProbstWerner KubitzaRainer Rettig
    • Rolf DheinKnud ReuterLothar BäckerJoachim ProbstWerner KubitzaRainer Rettig
    • C08K320
    • C08G18/706C08G18/0823C08G18/4063C08G18/4263C08G18/4288C08G18/7831
    • The present invention relates to coating compounds of which the binder consists essentially of a combination of a) a polyol component dissolved and/or dispersed in water or a water/solvent mixture, and b) a polyisocyanate component emulsified in the solution and/or dispersion of the polyol component with a viscosity at 23° C. of 50 to 10,000 mPa.s, in quantities corresponding to an equivalent ratio of isocyanate groups of component a) to alcoholic hydroxyl groups of component b) of 0.5:1 to 5:1, characterized in that component consists essentially of a1) a water-dilutable, hydroxyfunctional polycondensate resin free from urethane and sulfonate groups and having a molecular weight Mn above 500 or a2) a mixture of such a polycondensation resin with up to 100% by weight, based on the weight of the polycondensation resin, of at least one water-dilutable, hydroxyfunctional polymerization resin having a molecular weight Mn above 500. The present invention also relates to a process for the preparation of these coating compounds and to their use for the production of coatings.
    • 本发明涉及涂料化合物,其粘合剂基本上由以下组合组成:a)溶解和/或分散在水中的多元醇组分或水/溶剂混合物,和b)在溶液和/或分散体中乳化的多异氰酸酯组分 多元醇组分,其在23℃下的粘度为50至10,000mPa.s,其量对应于组分a)的异氰酸酯基团与组分b)的醇羟基的当量比为0.5:1至5:1,其特征在于 该组分基本上由以下组分组成:a)不含氨基甲酸酯基和磺酸酯基团并具有分子量Mn在500以上的水可稀释的羟基官能团的缩聚物树脂2)这种缩聚树脂与至多100重量%的混合物,基于重量 的缩聚树脂,其至少一种分子量Mn高于500的水可稀释的羟基官能聚合树脂。本发明还涉及制备方法 这些涂料化合物及其用于生产涂料的用途。
    • 3. 发明授权
    • Process for coating heat resistant substrates with two component stoving
compositions
    • 用双组分烘干组合物涂覆耐热基材的方法
    • US5304400A
    • 1994-04-19
    • US821093
    • 1992-01-15
    • Rolf DheinKnud ReuterBurkhard KohlerRainer RettigLothar Backer
    • Rolf DheinKnud ReuterBurkhard KohlerRainer RettigLothar Backer
    • B05D3/02B05D5/00B05D7/02B05D7/06B05D7/14B05D7/24C08G18/08C08G18/62C08K5/29C09D5/02C09D133/02C09D133/04C09D133/06C09D175/04
    • C08G18/6254C08G18/0819C08K5/29
    • The present invention relates to a process for preparing a coated, heat resistant substrate byI) coating the substrate with a coating composition containinga) a solution or dispersion containinga1) 100 parts by weight of at least one hydroxyl-functional polyacrylate resin in dissolved or dispersed form, wherein the resin has a hydroxyl value of 15 to 200 mg KOH/G solid resin, an acid value of 5 to 250 mg KOH/G solid resin and a total content of chemically incorporated carboxylate and/or sulfonate groups of 8 to 450 milliequivalents per 100 g of solids,a2) 25 to 395 parts by weight of water anda3) 5 to 125 parts by weight of at least one organic solvent having a boiling point or boiling range at 1013 mbar of 100 to 300.degree. C. andb) at least one organic polyisocyanate in a quantity corresponding to an equivalent ratio of isocyanate groups of component b) to isocyanate-reactive groups of component a1) of 0.7:1 to 3:1, andII) curing the coating composition at a temperature of 40 toThe present invention is also directed to the coated substrates obtained by this process.
    • 本发明涉及一种制备涂层耐热基材的方法,其方法是用涂料组合物涂覆基材,所述涂料组合物含有:a)含有a1)100重量份的至少一种羟基官能的聚丙烯酸酯树脂溶解的溶液或分散体 或分散形式,其中所述树脂的羟值为15-200mg KOH / G固体树脂,酸值为5至250mg KOH / G固体树脂,并且化学掺入的羧酸盐和/或磺酸盐基团的总含量为8 每100g固体为450毫当量,a2)25至395重量份的水和a3)5至125重量份的至少一种沸点或沸点范围为1013毫巴的有机溶剂为100至300摄氏度 和b)至少一种有机多异氰酸酯,其量对应于组分b)的异氰酸酯基团与组分a1)的异氰酸酯反应性基团的当量比为0.7:1至3:1,和II)使涂料组合物固化 温度为40℃ 本发明还涉及通过该方法获得的涂布基材。