IT994905B - Processo per la preparazione di un organogel di silice e prodot to ottenuto - Google Patents

Processo per la preparazione di un organogel di silice e prodot to ottenuto

Info

Publication number
IT994905B
IT994905B IT25667/73A IT2566773A IT994905B IT 994905 B IT994905 B IT 994905B IT 25667/73 A IT25667/73 A IT 25667/73A IT 2566773 A IT2566773 A IT 2566773A IT 994905 B IT994905 B IT 994905B
Authority
IT
Italy
Prior art keywords
preparation
product obtained
silica organogel
organogel
silica
Prior art date
Application number
IT25667/73A
Other languages
English (en)
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Application granted granted Critical
Publication of IT994905B publication Critical patent/IT994905B/it

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)
IT25667/73A 1972-06-28 1973-06-20 Processo per la preparazione di un organogel di silice e prodot to ottenuto IT994905B (it)

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
IT994905B true IT994905B (it) 1975-10-20

Family

ID=23017043

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25667/73A IT994905B (it) 1972-06-28 1973-06-20 Processo per la preparazione di un organogel di silice e prodot to ottenuto

Country Status (6)

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

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 (it) * 1978-09-11 1982-07-08 Newhouse Michael T
EP0045419B1 (en) * 1980-08-04 1984-10-17 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
EP0479774B1 (en) * 1986-03-07 1996-06-26 Nippon Shokubai Co., Ltd. Method of improving the slipperiness of polyester film
US5614177A (en) * 1987-11-04 1997-03-25 Rhone-Poulenc Chimie Dentifrice-compatible silica particulates
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
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
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.
US6001322A (en) 1993-09-29 1999-12-14 Rhone-Poulenc Chimie Precipitated silicas
JP2799773B2 (ja) 1993-09-29 1998-09-21 ローヌ−プーラン シミ 沈降シリカ
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
US6258864B1 (en) 1999-01-20 2001-07-10 Cabot Corporation Polymer foam containing chemically modified carbonaceous filler
US6586501B1 (en) 1999-01-20 2003-07-01 Cabot Corporation Aggregates having attached polymer groups and polymer foams

Also Published As

Publication number Publication date
DE2331379A1 (de) 1974-01-17
FR2190731A1 (it) 1974-02-01
CA990171A (en) 1976-06-01
JPS4936600A (it) 1974-04-04
US3803046A (en) 1974-04-09

Similar Documents

Publication Publication Date Title
IT994905B (it) Processo per la preparazione di un organogel di silice e prodot to ottenuto
IT1027537B (it) Processo per la preparazione di un poliuretano e prodotto otenuto
IT998155B (it) Processo per la produzione di propilenossido e prodotto ottenuto
IT986987B (it) Processo per la preparazione di dinitrili insaturi
IT1002018B (it) Processo per la preparazione di un gel di silice e prodotto cosi otte nuto
IT962883B (it) Processo per la preparazione di soli di silice a grandi particelle
IT952731B (it) Processo d separazione di idrocarburo
IT970282B (it) Processo per la produzione di ossazoline
IT962750B (it) Processo per la produzione di poliuretani
IT941454B (it) Processo per la preparazione dell acido citrico
IT998221B (it) Processo per la preparazione di aggregati
BR7208423D0 (pt) Processo para obtencao de acido 4 4' dinitroestilbeno 2 2' dissulfonico
IT981931B (it) Processo per so di silice
IT998500B (it) Processo per la produzione di 5 isopropil 3 metil fenolo
IT997565B (it) Processo per la produzione di idrochinone
BR7308864D0 (pt) Processo de preparacao de tiazol-sulfenamidas
BR6914958D0 (pt) Processo aperfeicoado para a preparacao de acido 7-aminocelosporanico
IT956178B (it) Processo per la preparazione di pivalolattone
BR7307283D0 (pt) Processo para a preparacao de imidas de acido naftoileno arilimidazolperidicarbonalico
IT988621B (it) Processo per la preparazione di espansi poliisocianurici
BR7017516D0 (pt) Processo de producao de produtos polifenolicos
BR7302571D0 (pt) Processo para a preparacao de diesteres de acido sucinilossucinico
IT945596B (it) Processo per la produzione di idroperossidi
IT1008262B (it) Processo per la preparazione di ossamide
IT945031B (it) Processo per la produzione di epossidi