JPS57196717A - Powdered silica dispersible homogeneously in organic solvent and its manufacture - Google Patents

Powdered silica dispersible homogeneously in organic solvent and its manufacture

Info

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
Application number
JP7982581A
Other languages
Japanese (ja)
Other versions
JPH021089B2 (en
Inventor
Hideo Yabuki
Hiroyasu Nishida
Sumio Saito
Takashi Harada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHOKUBAI KASEI KOGYO KK
JGC Catalysts and Chemicals Ltd
Original Assignee
SHOKUBAI KASEI KOGYO KK
Catalysts and Chemicals Industries Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHOKUBAI KASEI KOGYO KK, Catalysts and Chemicals Industries Co Ltd filed Critical SHOKUBAI KASEI KOGYO KK
Priority to JP7982581A priority Critical patent/JPS57196717A/en
Publication of JPS57196717A publication Critical patent/JPS57196717A/en
Publication of JPH021089B2 publication Critical patent/JPH021089B2/ja
Granted legal-status Critical Current

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
JP7982581A 1981-05-25 1981-05-25 Powdered silica dispersible homogeneously in organic solvent and its manufacture Granted JPS57196717A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (11)

* Cited by examiner, † Cited by third party
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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