Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-05-27
1978-11-14
Woo, Jay H.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 292R, 260 37R, 264333, 264333, C08L 9100
Patent
active
041254970
ABSTRACT:
An improved method of manufacturing shaped objects from cement wherein cement is wetted with an aqueous solution of an acetone-formaldehyde resin, optionally including a water-soluble alcohol, the wet mixture molded to the desired shape and then cured preferably at a temperature within the range of 30.degree. C to 100.degree. C, wherein the bending strength of the finished product is improved by incorporating a metal soap in the composite prior to molding the wet mixture.
Also disclosed is an improved composition of matter comprising Portland cement, an acetone-formaldehyde resin and a metal soap, and optionally containing an inorganic aggregate.
REFERENCES:
patent: 2770840 (1956-11-01), Biefeld et al.
patent: 2859192 (1958-11-01), Harvey et al.
patent: 3075935 (1963-01-01), Shay
patent: 3437619 (1969-04-01), Nutt
patent: 3865779 (1975-02-01), Oya et al.
patent: 3972723 (1976-08-01), Balle et al.
patent: 3981834 (1976-09-01), Kern et al.
"Chem. of Cement & Concrete" by Lea, F. M., pp. 464 and 519, Edward Arnold Ltd., London, 1956.
Cherubim Martin
Josten Friedrich
Renkes Karl-Heinz
Deutsche Texaco Aktiengesellschaft
May, Jr. Douglas H.
Ries Carl G.
Whaley Thomas H.
Woo Jay H.
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