Biostable cellulose ethers in nonaqueous dispersion and emulsion paint prepared therewith
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United States of America Patent
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Issued Date -
Dec 8, 2011
app pub date -
May 24, 2011
filing date -
Jun 2, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a substantially anhydrous suspension incorporating at least one biostable hydroxyalkylcellulose having an MS of 1.0 to 3.0, at least one oil, and at least one defoamer. The cellulose ether is preferably a hydroxyethylcellulose (HEC) having an MS of 1.0 to 3.0, preferably of 1.8 to 2.8, more preferably about 2.4. The oil is preferably a natural oil. Further disclosed is an emulsion paint, more particularly for interior coatings, which includes this suspension. It is particularly resistant to enzymes having a cellulytic action (cellulases), and this is manifested in a reduced fall in viscosity.
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