Water and fire resistant building material

Details Water and fire resistant building material Water and fire resistant building material

1987-01-12

1989-04-11

Lesmes, George F.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

106 1811, 106105, 106106, 106108, 428920, 428921, C09D 516

Patent

active

048203459

ABSTRACT:
The application concerns a water and fire resistant building material consisting of a layered, shaped and hardened composition of one or more absorbant components, magnesia cement, chemically active fumed silica, alkali silicate, one or several inorganic fillers, one or several lignin sulphonates, eventually ethyl silicate, whereby the final product is built up of a two binder system, one consisting of fumed silica, alkali silicate and possibly magnesium oxide and the other consisting of magnesia cement and a lignin sulphonate salt. The application also concerns the method of producing the product. The procedure is characterized by forming a dual layered binder system and by having a very short press time.

REFERENCES:
patent: 1175427 (1916-03-01), Freeman
patent: 2466145 (1949-04-01), Austin et al.
patent: 2546971 (1951-04-01), Byrns
patent: 3320077 (1967-05-01), Prior
patent: 3853571 (1974-12-01), Gelbman
patent: 3963849 (1976-06-01), Thompson
patent: 4066463 (1978-01-01), Chollet
patent: 4209339 (1980-06-01), Smith-Johannsen
patent: 4608087 (1986-08-01), Yoshino et al.

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