Process for manufacturing low-acid,...

C - Chemistry – Metallurgy – 08 – F

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C08F 8/48 (2006.01) C08F 8/32 (2006.01)

Patent

CA 1306325

PATENT APPLICATION OF Michael P. Hallden-Abberton Leslie A. Cohen and Robert S. Wood for A PROCESS FOR MANUFACTURING LOW-ACID, GLUTARIC-ANHYDRIDE-CONTAINING COPOLYMERS DN 86-35 JET/meb ABASTRACT OF THE DISCLOSURE Thermoplastic copolymers of glutaric anhydride and (meth)acrylic esters may be prepared free of acid groups by reacting a (meth)acrylic ester polymer with a secondary amine at elevated temperature, and subsequently removing volatile components from the polymer at elevated temperature and reduced pressure.

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