Patent ID: 9631040
Date: 2017-04-25
CPC Classifications: C02F,C08F,C09D,C11D,Y10T

Claim:
1. A copolymer comprising: at least one first monomer comprising a plant-derived vinyl ether monomer having the structure wherein R 1 is a divalent organic group; Z is a heteroatom selected from O, N or S; R 2 comprises an aliphatic group obtained from a plant; and R 6 , R 7 , and R 8 are each independently H or alkyl; at least one second monomer comprising a polyethylene glycol alkyl vinyl ether having the structure wherein R at least one chelating or coordinating group selected from the group consisting of carboxyl, phosphonate, phosphonic acid, sulfonate, sulfonic acid, anhydride, silane, amine, thiol, and substituted phenol, wherein the chelating or coordinating group is directly attached to the polymer backbone.