Process for manufacturing low-acid, glutaric-anhydride-containin

Details Process for manufacturing low-acid, glutaric-anhydride-containin Process for manufacturing low-acid, glutaric-anhydride-containin

1987-11-23

1989-10-17

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253305, C08F 800

Patent

active

048748242

ABSTRACT:
Thermoplastic copolymers of glytaric 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.

REFERENCES:
patent: 4246374 (1981-01-01), Kopchick
patent: 4604221 (1986-08-01), Bryant et al.

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