Welan gum in cement compositions

Details Welan gum in cement compositions Welan gum in cement compositions

C - Chemistry, Metallurgy

04

B

261/52

C04B 24/38 (2006.01) C12P 19/04 (2006.01)

Patent

CA 1322011

TITLE OF THE INVENTION WELAN GUM IN CEMENT COMPOSITIONS ABSTRACT OF THE INVENTION Cement compositions, i.e., mortar, structured concrete, pre-cast concrete, and oilfield cement, comprising 0.01-0.9% (wt/wt) welan gum are described. The cement compositions exhibit improved workability, suspension of aggregates, air entrainment, sag resistance, flow characteristics and resistance to water loss. These improvements are maintained at elevated temperature.

566016

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