Patent ID: 10059858

Abstract:
A polymer is provided, which has blocks of A-B, wherein the block A has a structure of and the block B has a structure of  Each of R1 is independently H or methyl group, R2 is  Each of R3 is independently —C(O)OH, —C(O)NHR6NR7R8, —C(O)OR6NR7R8, or —C(O)OR9, wherein R6 is C1-5 alkylene group, R7 and R8 are independently H, C1-9 alkyl group, C6-9 aryl group, or C7-9 alkylaryl group. R9 is C1-10 alkyl group, C1-20 hydroxyalkyl group or alkyl ester group. R4 is C1-12 alkylene group, C6-12 arylene group, or C7-12 alkylarylene group. R5 is H or C1-4 alkyl group. Ar is  wherein X is H, halogen, alkyl group, or aryl group.