SULFONIC ACID-MODIFIED COLLOIDAL SILICA

The present invention provides a means capable of further improving stability and washability under acidic conditions. The present invention is sulfonic acid-modified colloidal silica having an amount of sulfonic acid groups per 1 g of particles of 1.5 µmol/g or more and 13.0 µmol/g or less.

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Bibliographische Detailangaben
Hauptverfasser: SUZUKI, Shota, TSUBOTA, Shogo, ITO, Masaaki, ASHITAKA, Keiji, HIRANO, Tatsuhiko
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The present invention provides a means capable of further improving stability and washability under acidic conditions. The present invention is sulfonic acid-modified colloidal silica having an amount of sulfonic acid groups per 1 g of particles of 1.5 µmol/g or more and 13.0 µmol/g or less.