Alumina binder for fiber containing alumina
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United States of America Patent
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Sep 14, 1982
Grant Date -
N/A
app pub date -
Apr 21, 1980
filing date -
Apr 21, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thickened binder composition which comprises from about 3 to about 20 weight percent colloidal alumina, from about 1 to about 8 weight percent aluminum chlorhydrate and from about 0.1 to about 0.4 weight percent of an inorganic acid selected from hydrochloric and nitric acids and from about 75 to about 95 weight percent water; the method for manufacturing the binder composition and a fiber article by blending the ingredients of the binder composition with each other and by impregnating or blending fibers with the binder composition to form a fiber containing composition followed by drying and calcining the fiber composition; and an article comprising alumina-containing fibers bound together with alumina.
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