C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/297, 402/321
C08F 4/52 (2006.01) C08F 2/08 (2006.01) C08F 2/10 (2006.01)
Patent
CA 1198250
ABSTRACT OF THE DISCLOSURE This invention is directed to a process for polymerizing water miscible monomers which process comprises (1) contacting an aqueous phase containing a water miscible monomer with an initiating amount of an initiator and (2) subjecting the resulting aqueous phase to conditions sufficient to polymerize the monomer to form a water-soluble polymer. The initiator employed in this invention contains a metal borohydride such as sodium borohydride and a metal ion that can be reduced by the borohydride such as cupric ion. The water-soluble polymers produced by the process of this invention are employed as additives in the manufacture of paper products, as water purification coaggulants, as floccu- lants for a wide variety of aqueous dispersions such as sewages and industrial waste water, as the fluid mobility control agents in enhanced oil recovery, and as treating agents in a wide variety of other applications.
402810
Smart & Biggar
The Dow Chemical Company
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