Colloidal silicate dispersion, method for its preparation...

Details Colloidal silicate dispersion, method for its preparation... Colloidal silicate dispersion, method for its preparation...

2005-07-19

2005-07-19

Koslow, C. Melissa (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

C106S038300, C106S038800, C106S038900, C106S481000, C106S483000, C106S486000, C516S078000, C516S080000, C501S012000

Reexamination Certificate

active

06918954

ABSTRACT:
The present invention is directed to a colloidal aqueous silicate dispersion containing silica and alumina, the molar ratio between silica and alumina being 2-12, as well as to a method for its preparation. Said method is characterized by dissolving a particulate mineral material, such as a mineral wool or fiber product containing silica and alumina in a molar ratio of 2-12 in an aqueous solution, nucleating and stabilizing the so obtained solution, and optionally adjusting the dry matter content of the dispersion so obtained. The said dispersion can also be made to gel. The invention is also directed to the use of the dispersion as a binder.

REFERENCES:
patent: 3993499 (1976-11-01), Jacobson et al.
patent: 4533393 (1985-08-01), Neuschaeffer et al.
patent: 4913840 (1990-04-01), Evans et al.
patent: 5254327 (1993-10-01), Martinez et al.
patent: 0 059 088 (1982-09-01), None
patent: P8705883 (1991-06-01), None
patent: P0105380 (2002-08-01), None
Derwent Publication No. AN 1993-16 4151, dated Apr. 20, 1993. See PCT search report.

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