Method for the preparation of polyamide-imides

Details Method for the preparation of polyamide-imides Method for the preparation of polyamide-imides

C - Chemistry, Metallurgy

08

G

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

Patent

CA 2074919

METHOD FOR THE PREPARATION OF 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 X is a nonortho halide selected from the group consisting of 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 Image consisting of -O-, -S-, Image , Image , Image , Image , Image , Image , -C?C-, Image , Image , Image , -(CF2)m, and Image , 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. R3 is selected from the group consisting of substituted aryl, unsubstituted aryl, substituted heteroaryl, and unsubstituted heteroaryl. R4 is selected from the group consisting Image Image of and

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