Method for producing polyamide-imides

Details Method for producing polyamide-imides Method for producing polyamide-imides

C - Chemistry, Metallurgy

08

G

C08G 73/10 (2006.01) C08G 73/14 (2006.01)

Patent

CA 2075256

A METHOD FOR PRODUCING POLYAMIDE-IMIDES ABSTRACT OF THE DISCLOSURE A method for preparing a polymer including the step of reacting carbon monoxide and a reactant pair having respective general formulas Image Image and or a reactant having the general formula Image , in the presence of catalyst and free iodo or bromo ions. X is -Br or -I. n is an integer from 0 to 4. R1 is selected from the group consisting of alkyl, arylalkyl, aryl, heteroaryl, and cycloalkyl. R2 is selected from the group consisting of -O-, -S-, - Image , Image , Image , Image , Image , Image , Image , Image , Image , Image , Image , Image and , wherein each R5 is independently selected from the group consisting of alkyl and aryl, m is an integer from 1-12, and j is an integer between 0 and 300.

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