Thixotropic aqueous solutions containing a crosslinked polygalactomannan gum
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United States of America Patent
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Oct 29, 1985
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N/A
app pub date -
Dec 20, 1984
filing date -
Dec 20, 1984
priority date (Note) -
Expired
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Abstract
This invention provides a thixotropic aqueous solution that contains a thickening agent consisting of polygalactomannan gum which is crosslinked with a diglycidyl ether of polyoxyalkylene diol. An invention thixotropic aqueous medium is characterized by excellent heat stability and high tolerance to the presence of inorganic salts. A unique property of an invention thixotropic aqueous medium is a time-dependent gradual restoration of high viscosity after cessation of high shear deformation.
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