C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/50
C04B 24/00 (2006.01) C04B 28/04 (2006.01)
Patent
CA 1227226
ABSTRACT Admixture compositions for hydraulic cement compositions are disclosed which comprise a borate ester of a polyhydroxy compound. The admixtures are effective water-reduc- ing agents at relatively low dosages in hydraulic cements. They generally provide water reduction levels equal to or greater than those provided by the corresponding non-esterified polyhydroxy compound with a lesser degree of set retardation.
477799
Smart & Biggar
W.r. Grace & Co.,-Conn.
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