Grinding aids for hydraulic cement

Details Grinding aids for hydraulic cement Grinding aids for hydraulic cement

1985-12-02

1987-02-17

Goldberg, Howard N.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 15, 106 90, C04B 714, B02C 2300

Patent

active

046433627

ABSTRACT:
Hydraulic cements such as Portland cement are interground with diesters formed by reacting a polyol (e.g. alkylene glycol) with a monobasic carboxylic acid (e.g. acetic acid) to enhance the efficiency of the grinding operation.

REFERENCES:
patent: 2203809 (1940-06-01), Bechtold
patent: 3329517 (1967-07-01), Dodson
patent: 3607326 (1971-09-01), Serafin
patent: 3615785 (1971-10-01), Moorer et al.
patent: 4386963 (1983-06-01), Lange

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