Method for preparing polyamide-imides

Details Method for preparing polyamide-imides Method for preparing polyamide-imides

C - Chemistry, Metallurgy

08

G

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

Patent

CA 2075242

-25- METHOD FOR PREPARING 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 pair having respective general formulas Image Image and or a reactant having the general formula Image Image or X is a nonortho halide selected from -Br and -I. n is an integer from 0 to 4, d is an integer from 0 to 1 and e is an integer from 0 to 3. If d is 0, then e is 0. 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 , -C?C, Image , Image , Image , (CF2)m-, and Image . Each R5 is independently selected from -26- the group consisting of alkyl and aryl, m is an integer from 1-12, and j is- an integer between 0 and 300. R3 is selected from the group consisting of substituted aryl, unsubstituted aryl, substituted heteroaryl, and unsubstituted heteroaryl.

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