Synthetic polymer rheology modifier and water retention agent replacement for cellulose ether in cement compositions
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United States of America Patent
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Jan 8, 2019
Grant Date -
Jun 22, 2017
app pub date -
Mar 27, 2015
filing date -
Mar 31, 2014
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Abstract
The present invention provides substantially nonionic brush polymers having pendant polyether groups, preferably poly(alkylene glycol) groups, which polymers are useful as synthetic polymer substitutes for cellulose ethers in mortars and hydraulic binders. The brush polymers are preferably crosslinked, such as with ethylene glycol di(meth)acrylates.
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