Method for preventing agglomeration of colloidal silica and sili

Details Method for preventing agglomeration of colloidal silica and sili Method for preventing agglomeration of colloidal silica and sili

1992-03-16

1993-07-13

Group, Karl

Abrasive tool making process, material, or composition

With inorganic material

Clay, silica, or silicate

106 3, 10628711, 10628713, 10628714, B24D 302

Patent

active

052269302

ABSTRACT:
A method is provided for preventing agglomeration of a colloidal silica comprising trialkylsilyating part of silanol groups on the surface of silica particles of the colloidal silica with a trialkylhalosilane or a hexaalkyldisilazane in an amount from about 0.1-10 mole % based on the silanol groups on the surface of the silica particles.

REFERENCES:
patent: 4057939 (1977-11-01), Basi
patent: 4462188 (1984-07-01), Payne
patent: 4588421 (1986-05-01), Payne
patent: 4664679 (1987-05-01), Kohyama et al.

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