Process of producing fiber-reinforced hardened body of gypsum sy

Details Process of producing fiber-reinforced hardened body of gypsum sy Process of producing fiber-reinforced hardened body of gypsum sy

1978-03-13

1979-03-27

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106110, 106117, C04B 1100

Patent

active

041464028

ABSTRACT:
A process for producing a fiber-reinforced hardened body comprising mixing gypsum and slag in a ratio by weight of the former to the latter between 3:7 and 7:3 to prepare a main starting material, adding to the main starting material 1 - 30% by weight of reinforcing fiber, 0.1 - 5% by weight of alkali salt substance and 0.1 - 5% by weight of aluminum sulfate-containing substance, the respective amounts being based on the weight of the main starting material, further adding water to knead and mold the resulting starting material mixture, and curing the molded starting material mixture under normal condition or steam-curing the molded starting material mixture at 90.degree. C. or below.

REFERENCES:
patent: 3096188 (1963-07-01), Maydh
patent: 3972723 (1976-08-01), Balle et al.
patent: 4018963 (1977-04-01), Fuji et al.

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