Continuous process for solution polymerization of acrylamide

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526 73, 526 88, 526287, 526303, 526920, C08F 200, C08F 430

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active

042835178

ABSTRACT:
A continuous process is provided for producing substantially homogeneous, non-tacky solid terpolymers of acrylamide, an alkali metal salt of acrylic acid and a hydroxyalkyl acrylate, and copolymers, optionally cross-linked, of a (meth)acrylamidoalkylsulfonic acid or alkali metal salt thereof and (meth)acrylamide or N-alkyl(meth)acrylamide, by rapidly heating a single phase high solids aqueous solution of the monomers to polymerization initiation temperature immediately prior to depositing a uniform layer of the solution and, at the same time, a solution of a polymerization initiator, onto a moving surface, the surface and the reaction mixture only being heated if necessary to keep the temperature of the polymerizing mixing from dropping substantially below the polymerization initiation temperature.

REFERENCES:
patent: 3058958 (1962-10-01), Glavis
patent: 3732193 (1973-05-01), Svarz
patent: 3923756 (1975-12-01), Svarz
patent: 4032701 (1977-06-01), Hughes
patent: 4138539 (1979-02-01), Landolt

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