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    • 4. 发明授权
    • High molar mass polyurethane dispersions
    • 高摩尔质量的聚氨酯分散体
    • US07157519B2
    • 2007-01-02
    • US10256929
    • 2002-09-27
    • Markus A. SchafheutleAnton ArztJulius BurklMartina GlettlerGerlinde PetritschJoerg Wango
    • Markus A. SchafheutleAnton ArztJulius BurklMartina GlettlerGerlinde PetritschJoerg Wango
    • C08J3/03C08G18/10C08G18/12C08G18/34C08G18/38
    • C09D175/04C08G18/0823C08G18/12C08G18/6659C08G18/3206
    • A water-dispersible polyurethane resin comprising building blocks derived from polyisocyanates A, polyols B having a number-average molar mass Mn of at least 400 g/mol, where appropriate, low molar mass polyols C with Mn below 400 g/mol, compounds D which possess at least two groups which are reactive toward isocyanate groups and at least one group which is capable of forming anions, low molar mass polyols E which in relation to isocyanate groups carry no further reactive groups, compounds F, which are monofunctional toward isocyanates or contain active hydrogen of different reactivity and are different from the compounds E and also, where appropriate, compounds G, which are different from B, C, D, E and F and contain at least two groups which are reactive with NCO groups, wherein the number-average molar mass Mn of the polyurethane resin is at least 10 kg/mol, its weight-average molar mass Mw is at least 20 kg/mol, and its acid number is from 20 to 50 mg/g; a process for its preparation; and its use as a binder.
    • 一种水分散性聚氨酯树脂,其包含衍生自多异氰酸酯A的结构单元,数均摩尔质量M n至少为400g / mol的多元醇B,其中适当的是低摩尔质量多元醇C与M 低于400g / mol的化合物D具有至少两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,低摩尔质量多元醇E相对于异氰酸酯 基团不再具有反异构体的化合物F,它们对于异氰酸酯是单官能的或含有不同反应活性的活性氢,并且与化合物E不同,并且在适当的情况下也不同于B,C,D,E和 并且含有至少两个与NCO基团反应的基团,其中聚氨酯树脂的数均摩尔质量M n至少为10kg / mol,其重均摩尔质量M < 至少20kg / mol,其酸值为 m 20至50mg / g; 其准备过程; 并将其用作粘合剂。
    • 7. 发明申请
    • Acid Groups-Containing Polyurethane Resins
    • 含酸基团的聚氨酯树脂
    • US20080249279A1
    • 2008-10-09
    • US11664464
    • 2005-09-27
    • Anton ArztJulius BurklGudrun GarberGerlinde PetritschMarkus SchafheutleAchim VoelkerJoerg Wango
    • Anton ArztJulius BurklGudrun GarberGerlinde PetritschMarkus SchafheutleAchim VoelkerJoerg Wango
    • C08G18/67
    • C08G18/36C09D175/04C08L2666/02
    • Water-dilutable polyurethane resins with acid groups, wherein the polyurethane resins contain units derived from oils A which are at least partly unsaturated, from olefinically unsaturated aliphatic acids B or anhydrides B′ thereof, from compounds C having functional groups which are reactive towards acid groups or acid anhydride groups, selected from the group consisting of epoxide groups, hydroxyl groups, mercaptan groups and amino groups, and which react in the reaction with the compounds B or B′ to form an ester group, a thioester group or an acid amide group, where the compounds C are selected from the group consisting of compounds C″ which additionally contain sulfonic acid groups, or carboxylic acid groups which are activated by electron-withdrawing substituents, and compounds C′ which additionally contain at least one hydroxyl group which is retained during the reaction with the compounds B or B′, and where at least a mass fraction of 25% of the compounds C consists of compounds C″, and polyfunctional isocyanates D, a process for their preparation, their use as catalysts in the curing of binders containing hydroxyl groups with aminoplast resins, and stoving paints which contain these catalysts
    • 具有酸基的水可稀释性聚氨酯树脂,其中聚氨酯树脂含有来源于烯属不饱和脂族酸B或其酸酐B'的至少部分不饱和脂肪酸的单元,具有对酸基具有反应性的官能团的化合物C 或酸酐基团,其选自环氧基,羟基,硫醇基和氨基,并且在与化合物B或B'的反应中反应形成酯基,硫酯基或酰胺基 其中化合物C选自另外含有磺酸基的化合物C“或通过吸电子取代基活化的羧酸基团,以及另外含有至少一个羟基的化合物C' 在与化合物B或B'反应期间保留,并且化合物C的至少25%的质量分数由化合物 ds C“和多官能异氰酸酯D,其制备方法,它们用作固化含有氨基塑料树脂的羟基的粘合剂的催化剂,以及含有这些催化剂的烘烤油漆