Chloride-free hardening accelerator for portland cement, and...

Details Chloride-free hardening accelerator for portland cement, and... Chloride-free hardening accelerator for portland cement, and...

C - Chemistry, Metallurgy

04

B

261/85

C04B 22/08 (2006.01) C04B 28/04 (2006.01)

Patent

CA 1258474

Abstract of the disclosure The invention relates to a chloride-free hardening accel- erant for Portland cement which is active in particular at low temperatures and contains calcium nitrate, sodium nitrate, hexamethylenetetramine and sodium hydroxide. The accelerant is prepared by reacting the calculated amount of formaldehyde with calcium ammonium nitrate in aqueous solution at between room temperature and 55°C under alkaline conditions established with sodium hydroxide. After the reaction has ended this solution can be used directly as such or be converted into a powder by means of a suitable drying operation.

524533

Affiliated with

Also associated with

Rating

Chloride-free hardening accelerator for portland cement, and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Chloride-free hardening accelerator for portland cement, and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chloride-free hardening accelerator for portland cement, and... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1184449