Hydrophobically modified cellulose ethers, their preparation and use
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United States of America Patent
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Issued Date -
Sep 13, 2001
app pub date -
Feb 15, 2001
filing date -
Feb 15, 2000
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Abandoned
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Abstract
The present invention relates to water-soluble, organosilylated cellulose ethers in which the organosilyl groups are attached hydrolysis-stably to the cellulose ethers and the remaining substituents on the silicon atoms of the organosilyl groups are likewise stable to hydrolysis. The cellulose ethers of the invention exhibit a strongly thickening action in aqueous solution, even at very low degrees of silylation, and are suitable as thickeners, for example, in paints, adhesives, and cosmetics. They are further suitable as protective colloids in the preparation of polymer dispersions.
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