Process for preparation of dispersion of water-soluble cationic polymer the dispersion produced thereby and its use
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United States of America Patent
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Dec 24, 1996
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app pub date -
Jul 14, 1995
filing date -
Jul 30, 1991
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Abstract
A water-soluble cationic (co)polymer dispersion prepared by the polymerization of a specified cationic quaternary monomer, which is obtained by quaternization by use of an alkyl halide, optionally with another cationic monomer and/or (meth)acrylamide, the polymerization being carried out in a salt solution which does not dissolve the resulting (co)polymer, and in the presence of a specific cationic polymer dispersant which is soluble in the salt solution, and its use as a flocculant or a paper chemical are provided.
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