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    • 4. 发明授权
    • Process for the production of polyurethane coatings
    • 聚氨酯涂料生产工艺
    • US5236741A
    • 1993-08-17
    • US877682
    • 1992-05-01
    • Christian ZwienerJosef PedainLothar KahlKlaus Nachtkamp
    • Christian ZwienerJosef PedainLothar KahlKlaus Nachtkamp
    • C08G18/38C08G18/62C08G18/78C08G18/79
    • C08G18/3821C08G18/6229C08G18/7831C08G18/792
    • The present invention relates to a process for the preparation of a polyurethane coating by coating a substrate with a coating composition containinga) a polyisocyanate component andb) an isocyanate-reactive component containing at least one compound corresponding to the formula ##STR1## wherein X represents an organic group which has a valency of n and is inert towards isocyanate groups at a temperature of 100.degree. C. or less,R.sup.1 and R.sup.2 may be identical or different and represent organic groups which are inert towards isocyanate groups at a temperature of 100.degree. C. or less,R.sup.3 and R.sup.4 may be identical or different and represent hydrogen or organic groups which are inert towards isocyanate groups at a temperature of 100.degree. C. or less andn represents an integer with a value of at least 2, and curing the coating composition at a temperature of 100.degree. C. or less.
    • 本发明涉及通过用包含a)多异氰酸酯组分的涂料组合物涂布基材来制备聚氨酯涂料的方法,和b)含有至少一种对应于下式的化合物的异氰酸酯反应性组分(I )其中X表示在100℃或更低的温度下具有n价并且对异氰酸酯基团呈惰性的有机基团,R 1和R 2可以相同或不同,表示在一个或多个基团上对于异氰酸酯基团是惰性的有机基团 温度为100℃以下时,R 3和R 4可以相同或不同,表示在100℃以下的温度下对异氰酸酯基具有惰性的氢或有机基团,n表示至少为 并且在100℃或更低的温度下固化涂料组合物。
    • 6. 发明授权
    • Polyisocyanates containing allophanate groups
    • 含有脲基甲酸酯基的多异氰酸酯
    • US5672736A
    • 1997-09-30
    • US555200
    • 1995-11-08
    • Martin BrahmLutz SchmalstiegJosef Pedain
    • Martin BrahmLutz SchmalstiegJosef Pedain
    • C07C273/18C07C275/60C08G18/78C09D175/00C07C263/00
    • C08G18/7837C07C275/60
    • The present invention relates to a process for preparing polyisocyanates containing allophanate groups by reacting compounds a), which i) contain urethane groups, but which are substantially free of hydroxyl groups and isocyanate groups, ii) have an average of at least two urethane groups per molecule, iii) are prepared by reacting organic isocyanates a1) with organic hydroxyl compounds a2) and iv) have an average molecular weight of at most 2,500, with excess quantities, based on the urethane groups, of distillable organic polyisocyanates b) to form polyisocyanates containing allophanate groups and subsequently removing by distillation the unreacted excess of component b) to a residual content of less than 0.5 wt. %, provided that polyisocyanates a1) and polyisocyanates b) are different. The present invention also relates to the products obtained from this process and to their use as binders or binder components in coating compositions.
    • 本发明涉及通过使具有氨基甲酸酯基但不含羟基和异氰酸酯基的化合物a)反应制备含有脲基甲酸酯基团的多异氰酸酯的方法,ii)基本上不含羟基和异氰酸酯基团,ii)平均具有至少两个氨基甲酸酯基团 分子,iii)通过使有机异氰酸酯a1)与有机羟基化合物a2)和iv)具有至多2500的平均分子量,基于氨基甲酸酯基团的过量的可蒸馏有机多异氰酸酯b)来制备,以形成多异氰酸酯 含有脲基甲酸酯基团,随后通过蒸馏将未反应的组分b)过量除去至少于0.5wt。 %,条件是多异氰酸酯a1)和多异氰酸酯b)不同。 本发明还涉及从该方法获得的产品及其作为涂料组合物中的粘合剂或粘合剂组分的用途。
    • 8. 发明授权
    • Process for the production of isocyanurate polyisocyanates, the
compounds obtained by this process and their use
    • 生产异氰酸酯聚异氰酸酯的方法,本方法获得的化合物及其用途
    • US5076958A
    • 1991-12-31
    • US329902
    • 1989-03-28
    • Josef PedainManfred SchonfelderHans-Joachim HoferWalter Krauss
    • Josef PedainManfred SchonfelderHans-Joachim HoferWalter Krauss
    • C09D175/00C08G18/02C08G18/28C08G18/32C08G18/42C08G18/79C08G18/80
    • C08G18/4238C08G18/3221C08G18/3253C08G18/3296C08G18/4205C08G18/4277C08G18/792C08G18/8016C08G18/8061
    • The present invention is directed to a process for the production of isocyanurate polyisocyanates by the partial trimerization of the isocyanate groups of aliphatic diisocyanates in the presence of catalysts which accelerate the trimerization of isocyanate groups, termination of the trimerization reaction at the particular degree of trimerization required and removal of unreacted starting diisocyanate and, optionally, other volatile constituents, characterized in that at least one diol containing ester groups and having an average molecular weight of 350 to 950 is added to the reaction mixture at any time before removal of the excess starting diisocyanate in a quantity of 1 to 50% by weight, based on the weight of the diisocyanate used as starting material, the type of reactants and the quantitative ratios between them being selected so that, on completion of the reaction, at least 10% by weight free starting diisocyanate is still present in the reaction mixture, not including any inert solvent used, and the molar ratio of isocyanurate groups to urethane groups in the end products is about 20:1 to 0.2:1.The present invention is also directed to the isocyanurate polyisocyanates obtained by this process and the use of these isocyanurate polyisocyanates, optionally blocked by blocking agents for isocyanate groups, for the production of polyurethane plastics, particularly two-component polyurethane lacquers.
    • 本发明涉及通过在促进异氰酸酯基团三聚化的催化剂存在下部分三聚异氰酸酯基团的异氰酸酯基团的生产来制备异氰脲酸酯多异氰酸酯的方法,在特定的三聚反应程度下终止三聚反应所需的 并除去未反应的起始二异氰酸酯和任选的其它挥发性成分,其特征在于在除去过量的起始二异氰酸酯之前的任何时间将至少一种含有酯基并且平均分子量为350至950的二醇加入到反应混合物中 以1至50重量%的量,以用作起始原料的二异氰酸酯的重量计,反应物的类型和它们之间的定量比被选择,使得在反应完成时,至少10重量% 游离的起始二异氰酸酯仍然存在于反应混合物中,不包括任何内部 t溶剂,最终产物中异氰脲酸酯基与氨基甲酸酯基的摩尔比为约20:1至0.2:1。 本发明还涉及通过该方法获得的异氰脲酸酯多异氰酸酯以及任选被异氰酸酯基团的封闭剂封闭的这些异氰脲酸酯多异氰酸酯用于生产聚氨酯塑料,特别是双组分聚氨酯漆的用途。
    • 10. 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。