Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 19, 2007
0Patent Application Number
114307580
Date Filed
May 9, 2006
0Patent Primary Examiner
Patent abstract
A comb-branched polymer is disclosed. The polymer comprises recurring units of an unsaturated carboxylic monomer, an oxypropylene-rich poly(oxyethylene-oxypropylene) macromonomer and an oxyethylene-rich poly(oxyethylene-oxypropylene) macromonomer. The comb-branched polymer can be used as a water reducing agent in cement. It gives significantly lower air entrainment in cement admixture.
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