Mixed metal layered hydroxide/fumed silica adducts

Details Mixed metal layered hydroxide/fumed silica adducts Mixed metal layered hydroxide/fumed silica adducts

1992-01-21

1993-12-28

Chaudhuri, Olik

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423331, 423332, 252 28, 507140, 507143, B01V 1300, C01B 3328

Patent

active

052737284

ABSTRACT:
Fine particle silica, especially fumed silica (FS), is interacted, in aqueous medium, with a substantially crystalline mixed metal layered hydroxide (MMLH) of the formula shown below to form a novel adduct, MMLH-SiO.sub.2, as an aqueous gell which is shear-thinning and which has rapid gelation times, the said MMLH comprising the general formula

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patent: 4664843 (1987-05-01), Burba, III et al.
patent: 4790954 (1988-12-01), Burba, III et al.
patent: 4990268 (1991-02-01), Burba, III et al.

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