Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Patent
1993-04-28
1993-12-28
Bell, Mark L.
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
106728, 106732, 106735, 106776, 106785, C04B 732
Patent
active
052735796
ABSTRACT:
The present invention concerns a quick setting composition capable of obtaining satisfactory strength developability irrespective of the fluctuation of the ingredients in a metallurgical slag, excellent in the strength developability at cold temperature, easy for coagulation control and inexpensive as well, which contains a cement ingredient comprising portland cement and/or mixed cement, 2 to 50% by weight at the integral ratio of a quick setting agent prepared by adding 3 to 20% by weight of an alkali carbonate at an internal ratio to a mixture comprising 40 to 95% by weight of a finely powdery metallurgical slag and 5 to 60% by weight of II-type anhydrous gypsum, based on the cement ingredient, and 0.1 to 5% by weight of a coagulation controlling agent comprising an organic acid type coagulation retarder and an alkali sulfate and/or calcium salt based on the total weight of the cement ingredient and the quick setting ingredient.
REFERENCES:
patent: 3565648, Mori et al.
patent: 4190454 (1980-02-01), Yamagisi et al.
patent: 4328039 (1982-05-01), Masuda
patent: 4842649 (1989-06-01), Hertzmann et al.
patent: 4861378 (1989-08-01), Watanabe et al.
Tanaka et al. "Rapid Setting Cement Compositions" Japan (Nov. 15, 1988) JP 63277542 (Chemical Abstract).
Saito Keiji
Tanaka Hisanobu
Tanaka Yoshio
Tsutsumi Tetsuro
Bell Mark L.
Marcantoni Paul
Mitsubishi Mining and Cement Co. Ltd.
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