Pressure compacting of settable gypsum/plaster compositions

Details Pressure compacting of settable gypsum/plaster compositions Pressure compacting of settable gypsum/plaster compositions

1979-01-31

1980-09-09

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

C04B 1114

Patent

active

042215994

ABSTRACT:
A settable molding composition comprising a mix of gypsum, plaster, water [which may be provided in whole or in part by utilizing a "wet" gypsum component] and an essentially water-insoluble metallic salt of an organic fatty acid [the "waterproofing" agent] is readily pressure compacted or molded into a variety of useful shaped articles, e.g., modular constructional units and other load-bearing members. The resultant shaped articles are highly water repellent, display excellent mechanical properties, are effectively set even in the absence of any drying step, and are even well suited for certain building elements adapted to be exposed to an outside environment.

REFERENCES:
patent: 3947285 (1976-03-01), Jones et al.

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