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    • 10. 发明申请
    • USE OF AN ORGANOPOLYSILOXANE/POLYUREA BLOCK COPOLYMER AS A COATING ON PLASTIC SURFACES
    • 作为涂料在塑料表面使用有机聚硅氧烷/聚氨酯嵌段共聚物
    • US20110117290A1
    • 2011-05-19
    • US12996877
    • 2009-07-24
    • Nicole BehrensFrank VirusBernhard MüssigBernd Lühmann
    • Nicole BehrensFrank VirusBernhard MüssigBernd Lühmann
    • B05D5/10C09D183/10H05H1/24
    • C09D183/10C08G77/458
    • Use of an organopolysiloxane/polyurea block copolymer according to formula (1), where R is a univalent hydrocarbon radical with 1 to 20 carbon atoms, optionally substituted by fluorine or chlorine, X is an alkylene radical with 1 to 20 carbon atoms in which methylene units that are not adjacent to one another can be replaced by —O— groups, or is an arylene radical en with 6 to 22 carbon atoms, A is an oxygen atom or an —NR′— amino group, R′ is water or an alkyl radical with 1 to 10 carbon atoms, Y is a bivalent hydrocarbon radical with 1 to 20 carbon atoms, optionally substituted by fluorine or chlorine, B and B′ are a reactive or non-reactive end group that is bonded covalently to the polymer, n is a number from 1 to 4000 and a is a number starting from at least 10, as a coating on a pre-treated plastic surface, the polar surface energy fraction thereof being at least twice that of the untreated plastic surface.
    • 使用根据式(1)的有机聚硅氧烷/聚脲嵌段共聚物,其中R是具有1至20个碳原子的一价烃基,任选被氟或氯取代,X是具有1至20个碳原子的亚烷基,其中亚甲基 彼此不相邻的单元可以被-O-基取代,或者是具有6-22个碳原子的亚芳基,A是氧原子或-NR'-氨基,R'是水或 具有1至10个碳原子的烷基,Y是任选被氟或氯取代的具有1至20个碳原子的二价烃基,B和B'是与聚合物共价键合的反应性或非反应性端基, n是1至4000的数,a是从至少10开始的数字,作为预处理塑料表面上的涂层,极性表面能分数至少是未处理的塑料表面的两倍。