Patent ID: 6590049
Filing Date: 2003-07-08
Classification: C08F,C09B,C09D

Abstract:
A (co)polymer prepared by a controlled radical (co)polymerization process that is conducted in the presence of an initiator having the structure Râ€”[Lâ€”I]n: in which,a) n is an integer greater than 1; b) R is an organic n-valent linking group containing at least one linkage selected from the group consisting of ether and sulfide; c) L is optionally present for each instance of I and is a divalent segment selected from the group consisting of polyether and polysulfide, each instance of which may be the same or different; and d) I is a group having the structure: â€ƒin which X is a halide and Z is selected from the group consisting off oxygen and sulfur; in which, for each instance of I, each instance of X and Z may be the same or different.