Production method of fine grain ice and dry clathrate water...

Details Production method of fine grain ice and dry clathrate water... Production method of fine grain ice and dry clathrate water...

C - Chemistry, Metallurgy

04

B

25/122, 400/7015

C04B 40/00 (2006.01) C04B 22/00 (2006.01) C04B 24/26 (2006.01) C04B 40/06 (2006.01) C08F 20/06 (2006.01) C08F 265/06 (2006.01)

Patent

CA 1335854

A method for producing concrete/mortar consists of (a) mixing water with polymer particles capable of retaining their particulate shape when substantial quantities of water are absorbed therein; (b) mixing cement or cement and aggregate with the product of step (a), and (c) expelling the water absorbed in the polymer particles in the mixture of (b) to the outside thereof by a molding method so as to hydrate the cement. If desired the polymer may be frozen prior to step (b) and then melted when required for hydration of the cement. The method has the advantage that excess water need not be used to make concrete/mortar. Also, where water is not available the method can still be used. Further, the method avoids the prior art use of fine grain ice obtained by crushing a block of ice and cold storing the fine grains.

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