Additive for rheology improvement of inorganic binders
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United States of America Patent
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Oct 31, 2017
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app pub date -
Dec 16, 2014
filing date -
Dec 20, 2013
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Abstract
The invention concerns a polycondensate containing (I) at least a structural unit, which is an aromatic moiety bearing a polyether side chain comprising 9 to 41 alkylene glycol units, (II) at least a structural unit, which is an aromatic moiety bearing at least one phosphoric acid ester group and (III) at least a methylene unit (—CH2—), the polycondensate having a polycondensation degree of 10 to 75. Also concerned are building material mixtures containing said polycondensates and the use as dispersant for inorganic binders.
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