C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/50
C04B 24/18 (2006.01) C04B 7/00 (2006.01)
Patent
CA 1227505
ABSTRACT Admixture compositions for hydraulic cement compositions are disclosed which comprise a borate ester of a polyhydroxy compound and a hydraulic cement water-reducing agent. The inventive admixtures provide increased slump retention in hydraulic cement compositions while causing only a relatively minimal increase in the initial and final setting times of the cement mix.
477803
Hollenberg David H.
Scheiner Paul C.
Smart & Biggar
W.r. Grace & Co.,-Conn.
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