Preparation of imide-modified methyl methacrylate (MMA) polymer/

Details Preparation of imide-modified methyl methacrylate (MMA) polymer/ Preparation of imide-modified methyl methacrylate (MMA) polymer/

1993-08-04

1994-08-23

Lipman, Bernard

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

Synthetic resins

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

5253305, 525378, C08F 832

Patent

active

053408829

ABSTRACT:
Imidation-modified MMA (co)polymers, characteristically having a Tg from 20.degree. to 30.degree. C. higher than the Tg of the corresponding unmodified MMA (co)polymer, are produced by reacting an amine, e.g., methylamine or cyclohexylamine, with a suspension, in a hydrophobic nonsolvent reaction medium, of beads of such MMA polymer/copolymer.

REFERENCES:
patent: 4246374 (1981-01-01), Kopchik
patent: 5096968 (1992-03-01), Sasaki et al.
patent: 5126409 (1992-06-01), Jerman et al.

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