Solid polymeric stabilizer compounds and process for their...

Details Solid polymeric stabilizer compounds and process for their... Solid polymeric stabilizer compounds and process for their...

C - Chemistry, Metallurgy

08

F

402/571

C08F 8/10 (2006.01)

Patent

CA 1285096

"SOLID POLYMERIC STABILIZER COMPOUNDS AND PROCESS FOR THEIR PREPARATION" Abstract Solid polymeric stabilizer compound containing the hydroxybenzophenone function, having the general formula (I): Image (I) wherein: m = from 0.01 to 0.99 (preferably from 0.1 to 0.6); l = from 0.99 to 0.01 (preferably from 0.9 to 0.4): m+l = 1; R = H, -OH, -OR" (R" = (C1-C20)-alkyl; aryl, alkylaryl cycloalkyl). halogen, (C1-C20)-alkyl, cycloalkyl; R' = H, (C1-C20)-alkyl, cycloalkyl. Also the process for preparing said solid polymeric stabilizers and the stabilized polymeric compositions comprising at least an organic polymer and a stabilizing amount of said solid polymeric stabilizers are disclosed.

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