EFFICIENT APPLICATION OF DISPERSERS IN FOAM-CONTAINING WALL BOARD Russian patent published in 2010 - IPC C04B28/14 C04B38/10 B32B13/08 C04B111/20 

FIELD: construction.

SUBSTANCE: method for application of foam and disperser in suspension of gypsum includes mixing plaster gypsum, the first disperser and the first amount of water, to produce gypsum suspension, mixing of soap, the second disperser and the second amount of water, to produce foam, and mixing foam and suspension. Method for efficient application of dispersers in core of gypsum wall board includes mixing plaster gypsum, the first disperser and the first amount of water to produce gypsum suspension, mixing of soap, the second disperser and the second amount of water to produce foam, mixing foam and suspension, pouring suspension onto lining material, formation of suspension into board and making it possible for suspension to harden, to create a core of wall board. Invention is developed in subclaims of formula of invention.

EFFECT: improved fluidity of suspension, increased strength of manufactured lightweight items.

17 cl, 3 ex, 3 tbl, 4 dwg