Gamma-dicalcium silicate-containing cement composition

Details Gamma-dicalcium silicate-containing cement composition Gamma-dicalcium silicate-containing cement composition

1984-05-21

1985-12-24

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106118, 106119, 106315, C04B 734

Patent

active

045604134

ABSTRACT:
A hardened cement material having enhanced flexural strength, heat resistance, and water resistance prepared from a cement composition comprising 100 parts by weight of a hydraulic cement material containing .gamma.-dicalcium silicate (.gamma.-C.sub.2 S) preferably in an amount of 1% by weight or more and 1 to 20 parts by weight of a water-dispersible polymeric material, and mixed with 5 to 25 parts by weight of water, by a molding procedure and by a heat-hardening procedure at a temperature of from 40.degree. C. to 180.degree. C. while controlling the relative humidity to 20% to 70% and/or applying a pressure of 5 to 15 atmospheres.

REFERENCES:
patent: 3998773 (1976-12-01), Crinkelmeyer
patent: 4028126 (1977-06-01), Mori et al.
patent: 4111710 (1978-09-01), Pairaudeau et al.
patent: 4118227 (1978-10-01), Shiohara et al.
patent: 4410366 (1983-10-01), Birchall et al.

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