| 摘要 |
The invention pertains to a coating composition comprising: - at least one polyacrylimide polymer [polymer (A)] comprising recurring units of formula (I) and further comprising recurring units complying with one or more of the following structures (j), (jj), (jjj) wherein R1, R2, R4, R5, R6, R7, equal to or different from each other are independently H or C1-20 alkyl group, R3 and R8, equal to or different from each other, are independently H, alkyl, cycloalkyl, alkaryl, aryl, heterocyclic C1-36 group, wherein said polymer (A) possesses an imidization degree of less than 80%; - a liquid medium; - at least one vinylidene fluoride polymer [polymer (F)] at least partially dissolved and/or at least partially dispersed in said liquid medium, wherein the amount of polymer (F) ranges from 50 to 90 % wt. with respect to the total weight of polymer (A) and polymer (F). |
