IT1266660B1 - Procedimento per la preparazione di xerogels di silice porosi in forma sferica - Google Patents

Procedimento per la preparazione di xerogels di silice porosi in forma sferica

Info

Publication number
IT1266660B1
IT1266660B1 IT93MI002331A ITMI932331A IT1266660B1 IT 1266660 B1 IT1266660 B1 IT 1266660B1 IT 93MI002331 A IT93MI002331 A IT 93MI002331A IT MI932331 A ITMI932331 A IT MI932331A IT 1266660 B1 IT1266660 B1 IT 1266660B1
Authority
IT
Italy
Prior art keywords
procedure
preparation
porous silica
spherical form
silica xerogels
Prior art date
Application number
IT93MI002331A
Other languages
English (en)
Inventor
Luigi Balducci
Raffaele Ungarelli
Original Assignee
Eniricerche Spa
Enichem Spa
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 Eniricerche Spa, Enichem Spa filed Critical Eniricerche Spa
Priority to IT93MI002331A priority Critical patent/IT1266660B1/it
Publication of ITMI932331A0 publication Critical patent/ITMI932331A0/it
Priority to EP94203135A priority patent/EP0653378B1/en
Priority to ES94203135T priority patent/ES2119070T3/es
Priority to DE69412426T priority patent/DE69412426T2/de
Priority to JP29069494A priority patent/JP3785580B2/ja
Publication of ITMI932331A1 publication Critical patent/ITMI932331A1/it
Priority to US08/628,978 priority patent/US6103209A/en
Application granted granted Critical
Publication of IT1266660B1 publication Critical patent/IT1266660B1/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
    • C01B33/16—Preparation of silica xerogels
    • C01B33/163—Preparation of silica xerogels by hydrolysis of organosilicon compounds, e.g. ethyl orthosilicate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
IT93MI002331A 1993-11-04 1993-11-04 Procedimento per la preparazione di xerogels di silice porosi in forma sferica IT1266660B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT93MI002331A IT1266660B1 (it) 1993-11-04 1993-11-04 Procedimento per la preparazione di xerogels di silice porosi in forma sferica
EP94203135A EP0653378B1 (en) 1993-11-04 1994-10-27 Process for preparing porous spherical silica xerogels
ES94203135T ES2119070T3 (es) 1993-11-04 1994-10-27 Procedimiento para preparar xerogeles de silice esfericos y porosos.
DE69412426T DE69412426T2 (de) 1993-11-04 1994-10-27 Verfahren zur Herstellung von porösen kugelförmigen Kieselsäurexerogelen
JP29069494A JP3785580B2 (ja) 1993-11-04 1994-10-31 多孔性の球状シリカ粒の製法
US08/628,978 US6103209A (en) 1993-11-04 1996-04-08 Process for preparing porous spherical silica xerogels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93MI002331A IT1266660B1 (it) 1993-11-04 1993-11-04 Procedimento per la preparazione di xerogels di silice porosi in forma sferica

Publications (3)

Publication Number Publication Date
ITMI932331A0 ITMI932331A0 (it) 1993-11-04
ITMI932331A1 ITMI932331A1 (it) 1995-05-04
IT1266660B1 true IT1266660B1 (it) 1997-01-09

Family

ID=11367137

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI002331A IT1266660B1 (it) 1993-11-04 1993-11-04 Procedimento per la preparazione di xerogels di silice porosi in forma sferica

Country Status (6)

Country Link
US (1) US6103209A (it)
EP (1) EP0653378B1 (it)
JP (1) JP3785580B2 (it)
DE (1) DE69412426T2 (it)
ES (1) ES2119070T3 (it)
IT (1) IT1266660B1 (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19530031A1 (de) * 1995-08-16 1997-02-20 Merck Patent Gmbh Poröse monodisperse SiO¶2¶-Partikel
CA2280795A1 (en) * 1997-02-24 1998-08-27 James R. Hahn Hydrophobic silica gels with reduced surface area
IT1303713B1 (it) * 1998-11-06 2001-02-23 Enichem Spa Processo per la preparazione di catalizzatori a base di zeolite tipomfi.
KR100392194B1 (ko) * 2000-07-19 2003-07-22 이종협 세라믹 중공미세구의 제조방법
US7101523B2 (en) 2001-09-25 2006-09-05 Mitsubishi Chemical Corporation Silica
CN100445204C (zh) * 2001-11-27 2008-12-24 三菱化学株式会社 二氧化硅及其制造方法
US20040091411A1 (en) * 2002-11-08 2004-05-13 Bijan Modrek-Najafabadi High surface area, high porosity silica packing with narrow particle and pore diameter distribution and methods of making same
DE10317066A1 (de) * 2003-04-14 2004-11-11 Degussa Ag Verfahren zur Herstellung von Metalloxid- und Metalloidoxid-Dispersionen
KR100708882B1 (ko) * 2003-04-15 2007-04-17 (주) 보람케메탈 흄드 실리카를 이용한 나노 실리카 결정 분말의 제조방법
US20100003182A1 (en) * 2006-06-02 2010-01-07 Lorenzo Costa Pellitized silica
EP2125477A4 (en) * 2007-02-22 2012-08-29 Univ Central Queensland BOGIE DIRECTOR FOR RAILWAY VEHICLES
US20100116743A1 (en) * 2007-06-04 2010-05-13 James Neil Pryor Silica particles and methods of making and using the same
EP2408554B1 (de) 2009-03-16 2016-12-14 Basf Se Katalysatorträger auf silicagel-basis
DE102009053784A1 (de) * 2009-11-19 2011-05-26 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Herstellung eines porösen SiO2-Xerogels mit charakteristischer Porengröße durch ein Bottom-Up-Verfahren über eine Vorstufe mit organischen Festkörperskelettstützen
US8197782B2 (en) * 2010-02-08 2012-06-12 Momentive Performance Materials Method for making high purity metal oxide particles and materials made thereof
US9249028B2 (en) 2010-02-08 2016-02-02 Momentive Performance Materials Inc. Method for making high purity metal oxide particles and materials made thereof
CN101913611B (zh) * 2010-03-17 2012-05-02 上海大学 一种简便的制备尺寸可控的单分散的纳米二氧化硅颗粒的方法
JP4960534B1 (ja) * 2010-10-25 2012-06-27 株式会社トクヤマ エアロゲル及びその製造方法
CN103476707B (zh) 2011-04-28 2016-05-25 株式会社德山 金属氧化物粉末及其制造方法
US10995184B2 (en) 2016-03-25 2021-05-04 Show A Denko Materials Co., Ltd. Sol composition, aerogel composite, support member provided with aerogel composite, and heat insulator
WO2017170498A1 (ja) * 2016-03-29 2017-10-05 日立化成株式会社 エアロゲル複合体、エアロゲル複合体付き支持部材及び断熱材
KR102675444B1 (ko) * 2016-03-29 2024-06-13 가부시끼가이샤 레조낙 에어로겔 복합체 파우더의 제조 방법
JP6910252B2 (ja) * 2017-09-05 2021-07-28 昭和電工株式会社 シリカ担体の製造方法
JP2019064892A (ja) * 2017-10-04 2019-04-25 日立化成株式会社 エアロゲル複合体パウダー及び撥水材
US11981622B2 (en) 2018-11-02 2024-05-14 Resonac Corporation Method for producing alcohol and catalyst for producing alcohol
EP3744684A1 (en) 2019-05-29 2020-12-02 Nouryon Chemicals International B.V. Porous silica particles
EP3744683A1 (en) * 2019-05-29 2020-12-02 Nouryon Chemicals International B.V. Porous silica particles
US11447633B2 (en) * 2020-04-27 2022-09-20 Taiwan Aerogel Technology Material Co., Ltd. Method for producing a cold resisting and heat insulating composite glue composed of a hydrophobic aerogel and the related product thereof
US20240067529A1 (en) * 2021-01-14 2024-02-29 Tokuyama Corporation Porous spherical silica and method of producing the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6385012A (ja) * 1986-09-29 1988-04-15 Chisso Corp 珪酸質球状粒子の製造方法
JP2528315B2 (ja) * 1987-05-22 1996-08-28 扶桑化学工業株式会社 高純度球状シリカの製造方法
SE459731B (sv) * 1987-06-29 1989-07-31 Eka Nobel Ab Silikapartiklar, foerfarande foer deras framstaellning samt anvaendning av partiklarna
JPH02196015A (ja) * 1989-01-25 1990-08-02 Chisso Corp シリカの製造方法
IT1251939B (it) * 1991-10-17 1995-05-27 Donegani Guido Ist Procedimento per la preparazione di materiali a base di ossidi inorganici con granulometria monodispersa e materiali cosi ottenuti.
US5250096A (en) * 1992-04-07 1993-10-05 At&T Bell Laboratories Sol-gel method of making multicomponent glass

Also Published As

Publication number Publication date
JP3785580B2 (ja) 2006-06-14
US6103209A (en) 2000-08-15
ITMI932331A0 (it) 1993-11-04
ES2119070T3 (es) 1998-10-01
EP0653378A1 (en) 1995-05-17
JPH07196311A (ja) 1995-08-01
DE69412426D1 (de) 1998-09-17
ITMI932331A1 (it) 1995-05-04
DE69412426T2 (de) 1999-02-18
EP0653378B1 (en) 1998-08-12

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971113