C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/02 (2006.01) C04B 28/02 (2006.01)
Patent
CA 2214380
A cement admixture composed of a mixture of certain lower alkyl ether oxyalkylene adducts with certain higher alkylene diols to provide cement compositions of mortar and concrete which inhibit drying shrinkage while permitting substantial air entrainment and enhanced compressive strength.
L'invention porte sur un adjuvant de ciment composé d'un mélange de certains additifs à base d'oxyalkylène d'éther alkylique inférieur et de certains alkylènes diols, permettant d'obtenir des compositions cimentaires pour mortier ou béton qui empêchent le retrait au cours du séchage tout en permettant un entraînement d'air notable et en améliorant la résistance à la compression.
Berke Neal Steven
Kerkar Awdhoot Vasant
Laire Michael Paul
Gowling Lafleur Henderson Llp
W.r. Grace & Co.,-Conn.
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