Composition, use of a cellulose ether as thickening agent and production of a coated cellulose-based two-dimensional product
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United States of America Patent
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Sep 26, 2000
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N/A
app pub date -
Feb 23, 1999
filing date -
Jun 5, 1996
priority date (Note) -
Expired
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Abstract
The present invention relates to an aqueous composition for coating, such as sizing or application of a layer of a coating slip, of cellulose-based two-dimensional products. The composition has improved properties at increased temperatures and at high shear rates. These properties are achieved by using as a thickening agent a cellulose ether which is substituted with hydroxyalkyl groups, such as hydroxyethyl and hydroxypropyl, and alkyl groups having 1-3 carbon atoms, and which has a cloud point in the range from 35 C. to 80 C.
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