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    • 1. 发明授权
    • Aqueous coating material, especially aqueous filler or protective base against stones
    • 水性涂​​料,特别是水性填料或防锈底物
    • US06815494B2
    • 2004-11-09
    • US10396893
    • 2003-03-25
    • Georg WiggerUlrike RöckrathBärbel WiatrMarita SchillingRalf Stein
    • Georg WiggerUlrike RöckrathBärbel WiatrMarita SchillingRalf Stein
    • C08J303
    • C08G18/12C08G18/0823C08G18/348C08G18/4288C08G18/6659C09D175/04Y10T428/31511Y10T428/31551C08G18/42C08G18/286C08G18/792C08L75/04C08L67/00
    • Aqueous coating material comprising (A) water-dispersible hydroxy-functional binder component containing urethane groups, (B) water-dispersible binder component containing urethane groups and blocked isocyanate groups, (C) water-dispersible amino resin, and optionally (D) water-dispersible hydroxy-functional polyester, the binder component (B) being preparable by (B1) preparing a polyurethane prepolymer containing isocyanate groups from at least one polyol and at least one polyisocyanate, (B2) reacting the polyurethane prepolymer (B1) containing isocyanate groups with a chain extender to give a hydroxyl-containing chain-extended polyurethane prepolymer, (B3) reacting the hydroxyl-containing chain-extended polyurethane prepolymer (B2) with at least one polyisocyanate to give a further polyurethane prepolymer containing isocyanate groups, and (B4) blocking some or all of the isocyanate groups of the chain-extended polyurethane prepolymer (B3) containing isocyanate groups with a blocking agent to give a polyurethane containing blocked isocyanate groups, and then, where appropriate, (B5) reacting remaining free isocyanate groups in the polyurethane (B4) with a chain extender.
    • 包含(A)含有氨基甲酸酯基的水分散性羟基官能粘合剂组分的水性涂料,(B)含有氨基甲酸酯基和封端异氰酸酯基的水分散性粘合剂组分,(C)水分散性氨基树脂和任选的(D)水 可分解的羟基官能的聚酯,(B1)由至少一种多元醇和至少一种多异氰酸酯制备含有异氰酸酯基团的聚氨酯预聚物(B2)制备的粘合剂组分(B),(B2)使含有异氰酸酯基团的聚氨酯预聚物 与扩链剂一起得到含羟基的链延长的聚氨酯预聚物,(B3)使含羟基的链延长的聚氨酯预聚物(B2)与至少一种多异氰酸酯反应,得到另外的含异氰酸酯基团的聚氨酯预聚物,和(B4 )阻断含有异氰酸酯基团的链延长聚氨酯预聚物(B3)的一部分或全部异氰酸酯基团 得到含有封端异氰酸酯基团的聚氨酯,然后在适当的情况下(B5)使聚氨酯(B4)中剩余的游离异氰酸酯基与扩链剂反应。
    • 4. 发明授权
    • Coating formulation for use in aqueous multicoat paint systems
    • 涂料配方用于水性多色漆系统
    • US06221949B1
    • 2001-04-24
    • US08848684
    • 1997-06-20
    • Lutz-Werner GrossRalf SteinEgon WegnerGudrun Wiemann
    • Lutz-Werner GrossRalf SteinEgon WegnerGudrun Wiemann
    • C08G1865
    • B05D7/577C08G18/0819C09D175/04C08L2666/54
    • The present invention relates to a coating formulation for use in multicoat paint systems, which a) comprises as binder a water-dilutable polyurethane resin which has an acid number of from 10 to 60 and a number-average molecular weight of from 4000 to 25,000 and can be prepared by reacting with one another aa) a polyester—and/or polyether-polyol having a number-average molecular weight of from 400 to 5000 or a mixture of such polyester—and/or polyether-polyols, bb) a polyisocyanate or mixture of polyisocyanates, cc) a compound which has in the molecule at least one group which in reactive toward isocyanate groups and at least one group which is capable of forming anions, or a mixture of such compounds, and optionally dd) a hydroxyl—and/or amino-containing organic compound having a molecular weight of from 40 to 400, or a mixture of such compounds and at least partially neutralizing the resulting reaction product, and b) comprises pigments and/or fillers, the ratio of binder to pigment being between 0.5:1 and 1.5:1.
    • 本发明涉及用于多涂漆系统的涂料配方,其包括作为粘合剂的水可稀释的聚氨酯树脂,其具有10至60的酸值和数均分子量为4000至25,000,并且可以 通过使数均分子量为400-5000的聚酯和/或聚醚多元醇或这种聚酯和/或聚醚多元醇的混合物,bb)多异氰酸酯或 多异氰酸酯,cc)在分子中具有至少一个对异氰酸酯基团具有反应性的基团和至少一个能够形成阴离子的基团的化合物,或这些化合物的混合物,以及任选地奇数化羟基和/或氨基 分子量为40〜400的有机化合物,或这些化合物的混合物,并且至少部分中和得到的反应产物,和b)包含颜料和/或填料,粘合剂与颜料的比例为 在0.5:1和1.5:1之间。