Dispersion agents for salt-containing systems

Details Dispersion agents for salt-containing systems Dispersion agents for salt-containing systems

C - Chemistry, Metallurgy

04

B

31/24

C04B 24/30 (2006.01) C04B 24/16 (2006.01) C08G 6/02 (2006.01) C08G 12/00 (2006.01)

Patent

CA 1232125

ABSTRACT Dispersion agents for salt-containing systems The present invention provides a dispersion agent for salt-containing cementation systems based on a condensation product of ketone, aldehyde and acid group-introducing compound, wherein it contains the components ketone, aldehyde and acid group- introducing compound in the mole ratio of 1:1 to 18:0.25 to 3.0 and has been obtained by the reaction of these components at a temperature of from 60 to 85°C. The present invention also provides a process for the production of this dispersion agent, wherein ketone, aldehyde and acid group-introducing compound are reacted in the mole ratio of 1:1 to 18:0.25 to 3.0 at a pH value of 8 to 14 and at a temperature of from 60 to 85°c.

467262

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