JPS57196717A - Powdered silica dispersible homogeneously in organic solvent and its manufacture - Google Patents
Powdered silica dispersible homogeneously in organic solvent and its manufactureInfo
- Publication number
- JPS57196717A JPS57196717A JP7982581A JP7982581A JPS57196717A JP S57196717 A JPS57196717 A JP S57196717A JP 7982581 A JP7982581 A JP 7982581A JP 7982581 A JP7982581 A JP 7982581A JP S57196717 A JPS57196717 A JP S57196717A
- Authority
- JP
- Japan
- Prior art keywords
- silica
- homogeneously
- dispersible
- alkoxy groups
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To provide powdered silica dispersible homogeneously in an org. solvent and composed of colloidal silica particles coated with alkoxy groups having a specified carbon number.
CONSTITUTION: This powdered silica dispersible homogeneously in an org. solvent is composed of colloidal silica particles (e.g., silica particles having 5W 30μm particle size) coated with 2W18C alkoxy groups bonded chemically to the silica by 2W50/10μm2 silica surface. Silica hydrosol having ≤100 cps viscosity measured at 20wt% SiO2 concn. is subjected to solvent substitution to prepare silica organosol having ≤20wt% water content. This organosol is heated to 170W300°C in the presence of 2W18C alcohol while maintaining the liq. phase to chemically bond 2W18C alkoxy groups to the silica. By removing the liq. phase component from the mixed reaction product, said powdered silica is obtd.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7982581A JPS57196717A (en) | 1981-05-25 | 1981-05-25 | Powdered silica dispersible homogeneously in organic solvent and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7982581A JPS57196717A (en) | 1981-05-25 | 1981-05-25 | Powdered silica dispersible homogeneously in organic solvent and its manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57196717A true JPS57196717A (en) | 1982-12-02 |
JPH021089B2 JPH021089B2 (en) | 1990-01-10 |
Family
ID=13700981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7982581A Granted JPS57196717A (en) | 1981-05-25 | 1981-05-25 | Powdered silica dispersible homogeneously in organic solvent and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57196717A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6131429A (en) * | 1984-07-25 | 1986-02-13 | Toray Ind Inc | Production of polyester |
EP0236945A2 (en) | 1986-03-07 | 1987-09-16 | Nippon Shokubai Co., Ltd. | Monodispersed glycol suspension of fine inorganic oxide particles having excellent dispersion stability and method of improving the slipperiness of polyester film using the monodispersed suspension |
JPH0276702U (en) * | 1988-12-02 | 1990-06-12 | ||
US6025455A (en) * | 1997-05-26 | 2000-02-15 | Nissan Chemicals Industries, Ltd. | Process of producing hydrophobic organosilica sol |
JP2003012320A (en) * | 2001-06-28 | 2003-01-15 | Catalysts & Chem Ind Co Ltd | Organosol of silica base inorganic compound |
EP1754685A2 (en) | 2005-08-02 | 2007-02-21 | Nissan Chemical Industries, Ltd. | Organosol of silica and process for producing the same |
WO2008093775A1 (en) | 2007-02-02 | 2008-08-07 | Nissan Chemical Industries, Ltd. | Silica sol having reactive monomer dispersed therein, method for producing the silica sol, curing composition, and cured article produced from the curing composition |
WO2009101974A1 (en) | 2008-02-12 | 2009-08-20 | Nissan Chemical Industries, Ltd. | Colloidal silica particles, process for producing the same, and silica sol in organic solvent, silica sol in polymerizable compound, and silica sol in dicarboxylic anhydride each obtained from the same |
US7737187B2 (en) | 2003-12-19 | 2010-06-15 | Nissan Chemical Industries, Ltd. | Process for producing inorganic oxide organosol |
-
1981
- 1981-05-25 JP JP7982581A patent/JPS57196717A/en active Granted
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6131429A (en) * | 1984-07-25 | 1986-02-13 | Toray Ind Inc | Production of polyester |
JPH0550534B2 (en) * | 1984-07-25 | 1993-07-29 | Toray Industries | |
EP0236945A2 (en) | 1986-03-07 | 1987-09-16 | Nippon Shokubai Co., Ltd. | Monodispersed glycol suspension of fine inorganic oxide particles having excellent dispersion stability and method of improving the slipperiness of polyester film using the monodispersed suspension |
US5316714A (en) * | 1986-03-07 | 1994-05-31 | Nippon Shokujai Kagaku Kogyo Co., Ltd. | Method of improving slipperiness of polyester film using a monodispersed glycol suspension of inorganic oxide particles |
JPH0276702U (en) * | 1988-12-02 | 1990-06-12 | ||
US6025455A (en) * | 1997-05-26 | 2000-02-15 | Nissan Chemicals Industries, Ltd. | Process of producing hydrophobic organosilica sol |
JP2003012320A (en) * | 2001-06-28 | 2003-01-15 | Catalysts & Chem Ind Co Ltd | Organosol of silica base inorganic compound |
US7737187B2 (en) | 2003-12-19 | 2010-06-15 | Nissan Chemical Industries, Ltd. | Process for producing inorganic oxide organosol |
EP1754685A2 (en) | 2005-08-02 | 2007-02-21 | Nissan Chemical Industries, Ltd. | Organosol of silica and process for producing the same |
WO2008093775A1 (en) | 2007-02-02 | 2008-08-07 | Nissan Chemical Industries, Ltd. | Silica sol having reactive monomer dispersed therein, method for producing the silica sol, curing composition, and cured article produced from the curing composition |
WO2009101974A1 (en) | 2008-02-12 | 2009-08-20 | Nissan Chemical Industries, Ltd. | Colloidal silica particles, process for producing the same, and silica sol in organic solvent, silica sol in polymerizable compound, and silica sol in dicarboxylic anhydride each obtained from the same |
Also Published As
Publication number | Publication date |
---|---|
JPH021089B2 (en) | 1990-01-10 |
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