Process for the preparation of mixed silica-zirconia sols and mi

Details Process for the preparation of mixed silica-zirconia sols and mi Process for the preparation of mixed silica-zirconia sols and mi

1996-06-26

1998-07-14

Green, Anthony

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

1062864, 10628734, 2523156, 423335, 423338, 423608, 501103, 502239, 502242, C01B 33141, C01B 33148, C01G 2502, R01J 2108

Patent

active

057800049

ABSTRACT:
A process for the preparation of mixed silica-zirconia sols and mixed oxides in spherical form, comprising mixing a silicon alkoxide with a solution of an inorganic zirconium salt in a low molecular weight polyol and subjecting the intermediate thus formed to acid hydrolysis in a water medium.

REFERENCES:
patent: 5292553 (1994-03-01), Leture et al.
Chemical Abstract No. 115:141107 which is an abstract of Japanese Patent Specification No. 03-083832 (Apr. 1991).
Chemical Abstract No. 122:194943 which is an abstract of PCT International Patent Application Specification No. 94/25406 (Nov. 1994).
Chemical Abstract No. 122:36790 which is an abstract of an article by Shin et al entitled "Spinnability and rheological properties of . . .
WPIDS Abstract No. 83:767623 which is an abstract of Japanese Patent Specification No. 58-135150 (Aug. 1983).
WPIDS Abstract No. 95:174913 which is an abstract of Japanese Patent Specification No. 07-096190 (Apr. 1995).
Journal of the Ceramic Society of Japan, vol. 98, No. 6, pp. 578-582 or 48-52, XP000205225, Jun. 1, 1990, Hidehiko Kobayashi, et al., "Preparation of ZRSIO4 Powder Using Sol-Gel Process (1)-Influence of Starting Materials and Seeding".
Database WPI, Derwent Publications, AN 86-039509, JP-A 61 039 509, Feb. 25, 1986.
Patent Abstracts of Japan, vol. 10, No. 258 (C-370), AN-86-083603, Sep. 4, 1986, JP-A 61 083603, Apr. 28, 1986.

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