Iler, 1971 - Google Patents

Relation of particle size of colloidal silica to the amount of a cationic polymer required for flocculation and surface coverage

Iler, 1971

Document ID: 10653224381955265308
Author: Iler R
Publication year: 1971
Publication venue: Journal of Colloid and Interface Science

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This is a study of the flocculation of colloidal silicas of known uniform particle sizes by a quaternary ammonium substituted methacrylate polymer, of which the cations are adsorbed on the anionic sites of the silica surface by ion exchange. The unusual observation is …

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VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide 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O=[Si]=O 0 title abstract description 170

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/146—After-treatment of sols
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof

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