主权项 |
1. A medical article comprising:
a copolymer comprising:
at least one repeat unit of Formula I-a: andat least one repeat unit of Formula VI-a: wherein:
each R1 is independently an alkyl, haloalkyl, aralkyl, alkenyl, aryl, or aryl substituted with an alkyl, alkoxy, or halo;G is a residue having a valence of q;R3 is hydrogen or alkyl or R3 taken together with G and to the nitrogen to which they are both attached form a heterocyclic group;each Y is independently an alkylene, aralkylene, or a combination thereof;each B is independently a covalent bond, an alkylene of 4-20 carbons, an aralkylene, an arylene, or a combination thereof;D is an organic soft segment residue;n is independently an integer of 0 to 1500;p is an integer of 1 to 10; andq is an integer greater than 2. |