Acid formates for use as setting and early strength...

Details Acid formates for use as setting and early strength... Acid formates for use as setting and early strength...

C - Chemistry, Metallurgy

04

B

261/45

C04B 24/04 (2006.01)

Patent

CA 1125793

BP CASE NO. CHE. 4694 ABSTRACT OF THE DISCLOSURE ACID FORMATES FOR USE AS SETTING AND EARLY STRENGTH DEVELOPMENT ACCELERATORS IN CEMENTITIOUS COMPOSITIONS This invention relates to the use of sodium, calcium and ammonium slats of formic acid as early strength developers and setting accelerators in hydraulic cements, concretes, mortars and plasters. The salts used are acidic salts containing between 1.5 and 5 moles of the formate ion per mole of the cation. These salts have much greater solubility and are more effective than the corresponding calcium salts, particularly under low temperature conditions.

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