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    • 2. 发明申请
    • DISPERSIONS CONTAINING POLYURETHANES WITH CARBONYL GROUPS IN THE KETO FUNCTION
    • 分散体含聚氨酯在ketofunction羰基
    • WO1997011103A1
    • 1997-03-27
    • PCT/EP1996004031
    • 1996-09-13
    • BASF AKTIENGESELLSCHAFTKOKEL, NicolasRAU, Maria, GyoparETTL, RolandLARBIG, HaraldMELDER, Johann-PeterGULBINS, ErichWIRTH, Thomas
    • BASF AKTIENGESELLSCHAFT
    • C08G18/08
    • C14C11/006C08G18/0823C08G18/12C08G18/3825C08G18/5039C08G18/833C08G18/3228
    • The invention concerns aqueous dispersions containing a polyurethane (A), containing structural units derived from compounds of formula (I), in which the substituents have the following meanings: R , R , R each designate hydrogen, C1-C24 alkyl or C6 - C24 alkenyl; R designates hydrogen; R , R a) together designate C4-C10 alkane-diyl, b) each designate C2-C10 alkyl, C5-C8 cycloalkyl or C7-C20 aralkyl, c) each designate a hydroxyl-terminated poly(C2-C4 alkylene oxide), or d) designate an R or R group with the meaning given in (a) to (c) and the other group designating hydrogen or a group of formula (II), in which X designates C2-C6 alkane-diyl; and R has the same meaning as R or R with the exception that R is not a group of formula II, R and R carrying a total of between 2 and 5 hydroxyl groups bonded to aliphatic carbon atoms; and R and/or R optionally carrying 1 or 2 aromatically bonded hydroxyl groups or 1 nitrile, tertiary amino, carboxylic acid or sulphonic acid group which are optionally present in the form of their salts.
    • 包含含有从式(I)的化合物的结构单元的聚氨酯(A),其中取代基具有以下含义的水性分散体:R t <1>,R <2>,R <3>各自是氢, C1至C24的烷基或C6至C24链烯基; [R <4>氢; [R <5> - [R <6>一个)一起C4-C10链烷,b)分别是C2至C10烷基,C5-C8的环烷基或C 7至C 20 - 芳烷基,c)是各自为羟基封端的聚 (C2至C4环氧烷)中,d)基团R <5>或R <6>中所定义的(a)至c(同上),并且另一个基团为氢或式的基团(II),其中X C2至C6烷二基且R <7>是等效于R <5>或R <6>,不同之处在于R <7>并不意味着一个式的基团(II),其中R <5> 且R <6>穿总共2至5连接到脂族碳原子,羟基基团和,如果合适的话,基团R <5>和/或R <6> 1或2个芳族键合羟基基团或1腈,叔氨基,羧酸或 磺酸基团,其存在任选地为其盐的形式,有助于。