Additives for hydraulic cement compositions

Details Additives for hydraulic cement compositions Additives for hydraulic cement compositions

C - Chemistry, Metallurgy

04

B

261/85

C04B 24/00 (2006.01) C04B 24/04 (2006.01) C04B 28/02 (2006.01) C04B 28/04 (2006.01)

Patent

CA 1337360

The present invention provides additives for hydraulic cement compositions, particularly masonry cements, which improve the water-repellancy, workability, and board life of said compositions. The additives of the invention comprise a water-insoluble, water-repelling acid, a set retarding composition, an emulsifier, and a polymer selected from the group consisting of polyvinyl alcohol, polyvinyl acetate, hydroxypropyl substituted polysaccharides, and mixtures thereof.

612256

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