Method for making polyetherimide

Details Method for making polyetherimide Method for making polyetherimide

C - Chemistry, Metallurgy

08

G

402/212, 402/9

C08G 73/10 (2006.01)

Patent

CA 1173595

Abstract of the Disclosure A method is provided for making polyetherimides based on the use of certain amphoteric catalysts such as hydroxy pyridines or aminocarboxylic acids to accelerate the interconden- sation of aromatic bis(ether anhydride) and organic diamine or prepolymer thereof under solution or melt polymerization condi- tions.

385119

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