Aqueous polymerization of acrylamide in the presence of polyvinylpyrrolidone
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United States of America Patent
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May 22, 2001
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N/A
app pub date -
Aug 31, 1999
filing date -
Jan 10, 1997
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Expired
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Abstract
A method for producing a highly concentrated aqueous acrylic amide-based polymer dispersion which is inexpensive, good in fluidity and easy to handle is provided. The method comprises polymerizing a water-soluble monomer composition containing an acrylic amide monomer in an aqueous solution of an inorganic salt in the presence of a homopolymer of vinylpyrrolidone and/or a copolymer of vinylpyrrolidone and other monomer(s).
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