Vinyl polymer and usage thereof
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United States of America Patent
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Nov 3, 2015
Grant Date -
Nov 22, 2012
app pub date -
May 18, 2012
filing date -
May 18, 2011
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Abstract
An aspect of the present invention relates to a method of manufacturing a vinyl polymer, which comprises: mixing a first liquid and a second liquid to conduct an addition reaction, wherein the first liquid has been obtained by reacting a sulfonic acid group-containing compound selected from the group consisting of taurine, N-methyl taurine, and meta-aminobenzenesulfonic acid with an alkali metal hydroxide in methanol, the second liquid comprises a vinyl polymer having an intramolecular epoxy group in a ketone solvent, and the addition reaction incorporates a sulfonic acid alkali metal salt group onto a side chain of the vinyl polymer.
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