Flow improving agents for binder suspensions containing cement
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United States of America Patent
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Nov 21, 2000
Grant Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Jun 21, 1994
priority date (Note) -
Expired
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Abstract
Flow improving agents for binder suspensions containing cement are described, which consist of: a) Graft polymers which have been prepared by radical grafting of a polyalkylene oxide of the general formula (I) with an ethylenically unsaturated mono- or dicarboxylic acid or the anhydride thereof, and then by derivatizing with a primary or secondary amine and/or alcohol, and also of b) Casein. These flow improving agents have the advantage that the ability to flow is considerably improved in comparison, for example, with casein alone, and the improved ability to flow is preserved over a longer period of time.
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