C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/406, 362/50
C08F 220/36 (2006.01) C02F 1/54 (2006.01)
Patent
CA 2004244
P524/2385CIP Patent Application COPOLYMERS OF 3-METHACRYLOYLOXY-2-HYDROXYPROPYL TRIMETHYLAMMONIUM CHLORIDE MONOMER AND VINYL MONOMER ABSTRACT OF THE DISCLOSURE The present invention provides a copolymer comprising the polymerization product of two or more vinyl monomers wherein one of the monomers is a mixture of 3-methacryloyloxy-2-hydroxypropyldimethyleneamine halide and 2-methacryloyloxy-3-hydroxypropyldimethyleneamine halide salt. The copolymer has an intrinsic viscosity greater than about 5 dl/g. The preferred copolymer comprises the polymerization product of acrylamide and a mixture of 3-methacryloyloxy-2-hydroxypropyltrimethylammonium chloride and 2-methacryloyloxy-3-hydroxypropyltrimethylammonium chloride. The copolymers of the present invention are particularly useful as flocculants.
Chiang William Gong-Jeann
Larson Eric Heath
Shultes Benjamin III
Gowling Lafleur Henderson Llp
S.n.f.
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