WATER-SOLUBLE ACRYLIC ACID SALT POLYMER AND GELLING BASE
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United States of America Patent
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Issued Date -
May 5, 2011
app pub date -
Jun 5, 2009
filing date -
Jul 23, 2008
priority date (Note) -
Abandoned
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Abstract
The present invention provides a water-soluble acrylate polymer that makes it possible to obtain a gelling base having a gel strength recited below when the gelling base comprises the components and the proportions thereof listed below; when the gelling base is gelated by being allowed to stand under the conditions of 25.degree. C. and a relative humidity of 60%, the resulting gel has a gel strength of 5,000 to 9,000 dyn/cm.sup.2 after standing for 7.5 hours and a gel strength of 10,000 to 15,000 dyn/cm.sup.2 after standing for 200 hours; the gelling base comprising: 4 parts by mass of glycerol, 4 parts by mass of propylene glycol, 5 parts by mass of a water-soluble acrylate polymer, 0.2 parts by mass of a dried aluminum hydroxide gel exhibiting acid reactivity with 0.1 N--HCl of 180 seconds, 0.25 parts by mass of tartaric acid, and 86.55 parts by mass of distilled water.
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