C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/297, 402/477
C08F 2/06 (2006.01) C08F 220/04 (2006.01) C08F 222/02 (2006.01) C08F 226/06 (2006.01)
Patent
CA 2014022
PRECIPITATION POLYMERIZATION OF COPOLYMERS OF A VINYL LACTAM AND A POLYMERIZABLE CARBOXYLIC ACID IN AN ALIPHATIC HYDROCARBON SOLVENT ABSTRACT OF THE DISCLOSURE What is described herein is a precipitation polymerization process and copolymer products produced thereby. Polymerization is carried out in a reaction mixture of a vinyl lactam, e.g. vinyl pyrrolidone or vinyl caprolactam, and a polymerizable carboxylic acid, e.g. acrylic acid or methacrylic acid, in the presence of a polymerization initiator, in an aliphatic hydrocarbon solvent, particularly, a C3-C10 saturated hydrocarbon, which is branched or unbranched, cyclic or acylic and preferably, is heptane or cyclohexane.
Login Robert B.
Shih Jenn S.
Smith Terry E.
G. A. F. Corporation
Gaf Chemicals Corporation
Login Robert B.
Shih Jenn S.
Smart & Biggar
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