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    • 7. 发明授权
    • Copolymers of carboxylic acids and quaternary ammonium compounds and the use thereof as thickeners of dispersants
    • 羧酸和季铵化合物的共聚物及其作为分散剂增稠剂的用途
    • US06329483B1
    • 2001-12-11
    • US08313175
    • 1994-09-29
    • Christian SchadeAxel SannerHans-Ulrich WekelFranz FroschHorst Westenfelder
    • Christian SchadeAxel SannerHans-Ulrich WekelFranz FroschHorst Westenfelder
    • C08F22204
    • A61Q19/00A61K8/817A61K2800/48C08F220/04C08F222/00
    • A copolymer obtainable by free-radical polymerization of A) 50-99.99% by weight of an olefinically unsaturated C3-C5 monocarboxylic acid, of an olefinically unsaturated C4-C8 dicarboxylic acid or the anhydride thereof or a mixture of such carboxylic acids or anhydrides with B) 0.01-50% by weight of an olefinically unsaturated quaternary ammonium compound of the formula I or II  where R1 is C6-C20-alkyl, C6-C20-alkenyl, C5-C8-cycloalkyl, phenyl, phenyl(C1-C12-alkyl) or (C1-C12-alkyl)phenyl, R2 is hydrogen, methyl or phenyl, R3 and R4 are each H or C1-C4-alkyl, X is halogen, C1-C4-alkoxysulfonyloxy or C1-C4-alkanesulfonate, it also being possible for the latter to occur as R3 or R4 with the formation of a betaine structure, Y is O or NH, and A is C1-C6-alkylene, or a mixture of such ammonium compounds, C) 0 to 49.99% by weight of an acrylate or methacrylate of the formula III  where R1, R2 and Y have the abovementioned meanings, R5 is hydrogen, methyl or ethyl, and n is a number from 0 to 25, D) 0-49.99% by weight of other copolymerizable monomers and E) 0-5% by weight of one or more compounds with at least two olefinically unsaturated groups in the molecule as crosslinker. The copolymers are suitable as thickeners and dispersants, especially in cosmetic compositions.
    • 可通过自由基聚合得到的共聚物,A)50-99.99重量%的烯属不饱和C 3 -C 5单羧酸,烯属不饱和C 4 -C 8二羧酸或其酸酐或这些羧酸或酸酐与B)的混合物, 0.01-50重量%的式I或II的烯属不饱和季铵化合物,其中R 1是C 6 -C 20 - 烷基,C 6 -C 20 - 烯基,C 5 -C 8 - 环烷基,苯基,苯基(C 1 -C 12 - 烷基)或 (C 1 -C 12 - 烷基)苯基,R 2是氢,甲基或苯基,R 3和R 4各自为H或C 1 -C 4烷基,X为卤素,C 1 -C 4烷氧基磺酰氧基或C 1 -C 4烷基磺酸盐,也是可能的 后者以R3或R4形成甜菜碱结构,Y为O或NH,A为C 1 -C 6亚烷基,或这些铵化合物的混合物,C)0至49.99重量%的丙烯酸酯 或甲基丙烯酸酯,其中R 1,R 2和Y具有上述含义,R 5是氢,甲基或乙基,n是0至25的数,D)0-4 9.99重量%的其它可共聚单体和E)0-5重量%的一种或多种在分子中具有至少两个烯属不饱和基团的化合物作为交联剂。 该共聚物适合用作增稠剂和分散剂,特别是在化妆品组合物中。