CA990171A - Process for preparing silica organogels - Google Patents

Process for preparing silica organogels

Info

Publication number
CA990171A
CA990171A CA168,218A CA168218A CA990171A CA 990171 A CA990171 A CA 990171A CA 168218 A CA168218 A CA 168218A CA 990171 A CA990171 A CA 990171A
Authority
CA
Canada
Prior art keywords
preparing silica
organogels
silica organogels
preparing
silica
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.)
Expired
Application number
CA168,218A
Other languages
English (en)
Other versions
CA168218S (en
Inventor
Milton E. Winyall
Ellsworth G. Acker
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Application granted granted Critical
Publication of CA990171A publication Critical patent/CA990171A/en
Expired legal-status Critical Current

Links

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
    • C01B33/155—Preparation of hydroorganogels or organogels
    • 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
    • C01B33/157—After-treatment of gels
    • C01B33/158—Purification; Drying; Dehydrating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
CA168,218A 1972-06-28 1973-04-09 Process for preparing silica organogels Expired CA990171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00267033A US3803046A (en) 1972-06-28 1972-06-28 Process for preparing silica organogel

Publications (1)

Publication Number Publication Date
CA990171A true CA990171A (en) 1976-06-01

Family

ID=23017043

Family Applications (1)

Application Number Title Priority Date Filing Date
CA168,218A Expired CA990171A (en) 1972-06-28 1973-04-09 Process for preparing silica organogels

Country Status (6)

Country Link
US (1) US3803046A (fr)
JP (1) JPS4936600A (fr)
CA (1) CA990171A (fr)
DE (1) DE2331379A1 (fr)
FR (1) FR2190731A1 (fr)
IT (1) IT994905B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303641A (en) * 1978-05-24 1981-12-01 W. R. Grace & Co. Hydrous silica gel containing dentifrice
GR69682B (fr) * 1978-09-11 1982-07-08 Newhouse Michael T
DE3166709D1 (en) * 1980-08-04 1984-11-22 Fisons Plc Inhalation device for administering medicaments
DE3133747A1 (de) * 1981-08-26 1983-03-17 Hoechst Ag, 6000 Frankfurt "alumosilikate und kieselgele mit geringem gehalt an uebergangselementen, verfahren zu deren herstellung und ihre verwendung"
US4717708A (en) * 1983-12-27 1988-01-05 Stauffer Chemical Company Inorganic oxide aerogels and their preparation
US5304324A (en) * 1986-03-07 1994-04-19 Nippon Shokubai Kagaku Kogyo Co., Ltd. Monodispersed glycol suspension of fine inorganic oxide particles having excellent dispersion stability
EP0236945B1 (fr) * 1986-03-07 1993-03-03 Nippon Shokubai Co., Ltd. Suspension glycolique monodispersée de particules fines d'oxydes inorganiques ayant une excellente stabilité de dispersion et procédé pour améliorer la capacité de glissement de pellicules de polyester en utilisant la suspension monodispersée
FR2622565B1 (fr) * 1987-11-04 1990-11-09 Rhone Poulenc Chimie Silice pour compositions dentifrices compatible notamment avec le zinc
US5286478A (en) * 1987-11-04 1994-02-15 Rhone-Poulenc Chimie Dentifrice-compatible silica particulates
US5614177A (en) * 1987-11-04 1997-03-25 Rhone-Poulenc Chimie Dentifrice-compatible silica particulates
FR2632185B1 (fr) * 1988-06-01 1992-05-22 Rhone Poulenc Chimie Silice pour compositions dentifrices compatible notamment avec le zinc
FR2649089B1 (fr) * 1989-07-03 1991-12-13 Rhone Poulenc Chimie Silice a porosite controlee et son procede d'obtention
US5565142A (en) * 1992-04-01 1996-10-15 Deshpande; Ravindra Preparation of high porosity xerogels by chemical surface modification.
JPH06324511A (ja) * 1993-05-14 1994-11-25 Brother Ind Ltd 感光性マイクロカプセル型トナー
JP3362745B2 (ja) * 1993-07-28 2003-01-07 ブラザー工業株式会社 感光性マイクロカプセル型トナー
CA2150369C (fr) 1993-09-29 2001-05-01 Yvonick Chevallier Silice precipitee
US6001322A (en) 1993-09-29 1999-12-14 Rhone-Poulenc Chimie Precipitated silicas
FR2710630B1 (fr) * 1993-09-29 1995-12-29 Rhone Poulenc Chimie Nouvelles silices précipitées, leur procédé de préparation et leur utilisation au renforcement des élastomères.
US5762829A (en) * 1997-03-05 1998-06-09 Armstrong World Industries, Inc. Wet silica gels for aerogel and xerogel thermal insulation and processes for the wet gels
US6586501B1 (en) 1999-01-20 2003-07-01 Cabot Corporation Aggregates having attached polymer groups and polymer foams
US6258864B1 (en) 1999-01-20 2001-07-10 Cabot Corporation Polymer foam containing chemically modified carbonaceous filler

Also Published As

Publication number Publication date
US3803046A (en) 1974-04-09
DE2331379A1 (de) 1974-01-17
IT994905B (it) 1975-10-20
JPS4936600A (fr) 1974-04-04
FR2190731A1 (fr) 1974-02-01

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