SOL OF SILICA FINE PARTICLES AND PRODUCTION METHOD FOR SOL OF SILICA FINE PARTICLES

An aqueous sol of silica fine particles that have a primary particle size of 3-50 nm and that contain, per 100 parts by mass of SiO2, 0.3-6 parts by mass of Li2O, 1-15 parts by mass of R2O (where R represents a sodium atom or a potassium atom), and 1-15 parts by mass of Al2O3. L'invention conce...

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Bibliographic Details
Main Authors KASHIMA, YOSHIYUKI, TAKAKUMA, NORIYUKI, KOIDE, TAKUHIRO
Format Patent
LanguageEnglish
French
Japanese
Published 13.08.2015
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Summary:An aqueous sol of silica fine particles that have a primary particle size of 3-50 nm and that contain, per 100 parts by mass of SiO2, 0.3-6 parts by mass of Li2O, 1-15 parts by mass of R2O (where R represents a sodium atom or a potassium atom), and 1-15 parts by mass of Al2O3. L'invention concerne un hydrosol de microparticules à base de silice qui présente un diamètre particulaire primaire de 3 à 50nm, et qui comprend pour 100 parties en masse de SiO2, 0,3 à 6 parties en masse de Li2O, 1 à 15 parties en masse de R2O (R représente un atome de sodium ou un atome de potassium) et 1 à 15 parties en masse de Al2O3. 　３～５０ｎｍの一次粒子径を有し、ＳｉＯ２１００質量部に対してＬｉ２Ｏ０．３～６質量部、Ｒ２Ｏ１～１５質量部（但し、Ｒはナトリウム原子又はカリウム原子を表す。）、Ａｌ２Ｏ３１～１５質量部を含有するシリカ系微粒子の水性ゾルによる。
Bibliography:Application Number: WO2015JP52497