Conditioned colloidal silica post impregnant to prevent binder m

Details Conditioned colloidal silica post impregnant to prevent binder m Conditioned colloidal silica post impregnant to prevent binder m

1979-12-03

1982-06-01

Cannon, James C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

162135, 1621816, 428340, 428372, 428378, 428920, 428921, D21F 1300

Patent

active

043328520

ABSTRACT:
An inorganic refractory insulation article comprising randomly oriented refractory fibers retained by dried colloidal silica uniformly distributed throughout the article and containing from about 0.001 to about 1.5 percent by weight of the article of aluminum chlorhydrate. The invention further comprises the process for making the article by forming a fiber mat from a fiber slurry, impregnating the mat with a conditioned colloidal silica composition comprising colloidal silica, acid, aluminum chlorhydrate and water and drying the mat to form the article.

REFERENCES:
patent: 2886466 (1959-05-01), Her et al.
patent: 3017318 (1962-01-01), Labino et al.
patent: 4204907 (1980-05-01), Korklan et al.

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