Cementitious composite material with vacuum integrity at elevate

Details Cementitious composite material with vacuum integrity at elevate Cementitious composite material with vacuum integrity at elevate

1984-11-21

1990-01-02

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 97, 106 98, C04B 2400, C04B 2804

Patent

active

048910716

ABSTRACT:
The temperatures at which the cementitious composite materials described in U.S. Pat. No. 4,482,385 can be used as tool or mold materials are extended by a treatment which comprises heating said composite materials to a temperature sufficient to expel free and adsorbed water from the concrete portion of the cementitious composite and thereafter refilling the resulting pores with an organic monomer or prepolymer and then crosslinking said impregnant to form an organic polymeric network in the inorganic composite material.

REFERENCES:
patent: 3972969 (1976-08-01), Rio et al.
patent: 4002788 (1977-01-01), Lott
patent: 4050949 (1977-09-01), Lundgren et al.
patent: 4126598 (1978-11-01), Leighter
patent: 4310486 (1982-01-01), Cornwell et al.
patent: 4330632 (1982-05-01), Haynes et al.
patent: 4382820 (1983-05-01), Inoue
patent: 4482385 (1984-11-01), Satkowski et al.

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