BR9911919A - Dispersão de partìculas inorgânicas porosas finasde óxido e processos para preparação das mesmas - Google Patents

Dispersão de partìculas inorgânicas porosas finasde óxido e processos para preparação das mesmas

Info

Publication number
BR9911919A
BR9911919A BR9911919-6A BR9911919A BR9911919A BR 9911919 A BR9911919 A BR 9911919A BR 9911919 A BR9911919 A BR 9911919A BR 9911919 A BR9911919 A BR 9911919A
Authority
BR
Brazil
Prior art keywords
dispersion
particles
average particle
particle size
pore
Prior art date
Application number
BR9911919-6A
Other languages
English (en)
Other versions
BR9911919B1 (pt
Inventor
James Neil Pryor
David Monroe Chapman
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
Priority claimed from US09/343,842 external-priority patent/US6380265B1/en
Application filed by Grace W R & Co filed Critical Grace W R & Co
Publication of BR9911919A publication Critical patent/BR9911919A/pt
Publication of BR9911919B1 publication Critical patent/BR9911919B1/pt

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
    • C01B33/141—Preparation of hydrosols or aqueous dispersions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Colloid Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Paper (AREA)

Abstract

"DISPERSãO DE PARTìCULAS INORGâNICAS POROSASFINAS DE óXIDO E PROCESSOS PARA PREPARAçãO DASMESMAS". Dispersão compreendendo partículas inorgânicasporosas finas, por exemplo, partículas de sílica gel, onde aspartículas possuem um tamanho médio de partícula abaixo de trêsmicra. As partículas dispersas possuem uma porosidade apóssecagem, na qual pelo menos cerca de 0,50 cm^ 3^/g do volumede poro é de poros possuindo um tamanho de poro de 600<143>ou menos, conforme determinado por porosimetria de nitrogênio. Asconcretizações preparadas de sílica gel possuem porosidade apóssecagem, na qual pelo menos cerca de 0,7 cm^ 3^/g de volumede poro é de poros possuindo um diâmetro de 600<143> oumenos. As partículas da dispersão também podem ser descritascomo possuindo volume de poro derivado de viscosidade de pelomenos cerca de 0,5 cm^ 3^/g. A dispersão é preparada porformação de uma dispersão de óxidos inorgânicos possuindoestrutura suficientemente rígida para manter porosidade apósmoagem e secagem. Após o óxido inorgânico ser selecionado, eleé moído para ter um tamanho de partícula médio de 0,05 a cercade 3 micra. Nas concretizações, nas quais as dispersões estáveisdas partículas porosas finas são desejadas, sem a adição dequantidades substanciais de dispersante ou se as dispersõespossuindo um tamanho de partícula médio inferior a um mícron sãodesejadas, a dispersão é criada, por exemplo, por centrifugação dapasta moída para obter uma fase assentada e uma fase desobrenadantes na qual o tamanho de partícula médio está na faixade 0,05 a cerca de 1 mícron. A fase de sobrenadantes é entãoseparada da fase assentada para criar o produto final.
BRPI9911919-6A 1998-07-09 1999-07-07 dispersço de partÍculas inorgÂnicas porosas finas de àxido e processo para preparaÇço de dispersço de partÍculas inorgÂnicas porosas finas de àxido. BR9911919B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11241698A 1998-07-09 1998-07-09
US09/343,842 US6380265B1 (en) 1998-07-09 1999-06-30 Dispersion of fine porous inorganic oxide particles and processes for preparing same
PCT/US1999/015301 WO2000002814A1 (en) 1998-07-09 1999-07-07 Dispersion of fine porous inorganic oxide particles and processes for preparing same

Publications (2)

Publication Number Publication Date
BR9911919A true BR9911919A (pt) 2001-12-11
BR9911919B1 BR9911919B1 (pt) 2009-01-13

Family

ID=26809928

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9911919-6A BR9911919B1 (pt) 1998-07-09 1999-07-07 dispersço de partÍculas inorgÂnicas porosas finas de àxido e processo para preparaÇço de dispersço de partÍculas inorgÂnicas porosas finas de àxido.

Country Status (10)

Country Link
JP (1) JP4628544B2 (pt)
CN (1) CN1217857C (pt)
AU (1) AU773624B2 (pt)
BR (1) BR9911919B1 (pt)
CA (1) CA2337195C (pt)
CZ (1) CZ2001110A3 (pt)
EA (1) EA003200B1 (pt)
PL (1) PL202088B1 (pt)
TR (1) TR200100018T2 (pt)
TW (1) TW593143B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6380265B1 (en) * 1998-07-09 2002-04-30 W. R. Grace & Co.-Conn. Dispersion of fine porous inorganic oxide particles and processes for preparing same
US7985400B2 (en) * 2004-01-26 2011-07-26 Lummus Technology Inc. Method for making mesoporous or combined mesoporous and microporous inorganic oxides
DE102004006113A1 (de) * 2004-02-06 2005-08-25 Basell Polyolefine Gmbh Verfahren zur Herstellung von Trägern für Katalysatoren
EP2341526B1 (en) 2005-05-31 2012-05-23 Panasonic Corporation Fluorescent lamp and process for producing the same, and lighting system
US9303182B2 (en) * 2012-06-05 2016-04-05 Dow Global Technologies Llc Aqueous coating composition with improved stability
JP6596880B2 (ja) * 2015-03-31 2019-10-30 大日本印刷株式会社 内装用塗料
KR102588816B1 (ko) * 2016-02-02 2023-10-13 엠. 테크닉 가부시키가이샤 미립자 분산액의 정밀 개질 방법
GB201913817D0 (en) * 2019-09-25 2019-11-06 Johnson Matthey Plc Process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2816574C2 (de) * 1978-04-17 1988-09-29 Merck Patent Gmbh, 6100 Darmstadt Fluoreszenz-Indikatoren zur Verwendung in der Chromatographie und diese enthaltende Sorptionsmittel
JPH05170424A (ja) * 1991-12-24 1993-07-09 Nittetsu Mining Co Ltd シリカゾルの製造方法
JP3454554B2 (ja) * 1993-12-28 2003-10-06 水澤化学工業株式会社 非晶質シリカ粒状体及びその製法
JP3719686B2 (ja) * 1995-07-13 2005-11-24 東ソー・シリカ株式会社 濾過剤用シリカゲル

Also Published As

Publication number Publication date
PL202088B1 (pl) 2009-05-29
JP2004513049A (ja) 2004-04-30
CA2337195A1 (en) 2000-01-20
CN1323277A (zh) 2001-11-21
JP4628544B2 (ja) 2011-02-09
TW593143B (en) 2004-06-21
EA003200B1 (ru) 2003-02-27
CZ2001110A3 (cs) 2002-05-15
EA200100123A1 (ru) 2001-08-27
CA2337195C (en) 2009-09-08
PL346122A1 (en) 2002-01-28
TR200100018T2 (tr) 2002-01-21
CN1217857C (zh) 2005-09-07
BR9911919B1 (pt) 2009-01-13
AU5208699A (en) 2000-02-01
AU773624B2 (en) 2004-05-27

Similar Documents

Publication Publication Date Title
MY118956A (en) Dispersion of fine porous inorganic oxide particles and processes for preparing same
US4389385A (en) Production of porous gels and ceramic materials
Trüdinger et al. Porous zirconia and titania as packing materials for high-performance liquid chromatography
Wang et al. Hard-templating synthesis of mesoporous carbon spheres with controlled particle size and mesoporous structure for enzyme immobilization
DE69926060T2 (de) Anorganische verbundmetalloxidkugeln mit grossen porenvolumen, ihre herstellung und ihre verwendungen bei adsorption und chromatographie
BR9911918A (pt) Formulação apropriada para revestimentos querecebem tinta
US4913966A (en) Porous structures
CA2399279A1 (en) Controlled release ceramic particles, compositions thereof, processes of preparation and methods of use
BR9911919A (pt) Dispersão de partìculas inorgânicas porosas finasde óxido e processos para preparação das mesmas
Long et al. Biomolecular adsorption behavior on spherical carbon aerogels with various mesopore sizes
AU756352C (en) Spherical ionomer particles and production thereof
CA2395118A1 (en) Hydrothermally stable high pore volume aluminum oxide/swellable clay composites and methods of their preparation and use
ZA200204576B (en) Hydrothermally stable high pore volume aluminum oxide/swellable clay composites and methods of their preparation and use.
Fijneman et al. Multiscale colloidal assembly of silica nanoparticles into microspheres with tunable mesopores
KR20050013966A (ko) 중세공성 실리카 미립자 및 그 제조 방법
Shih et al. Rheology and consolidation of colloidal alumina‐coated silicon nitride suspensions
EP0227346B1 (en) Spheroidal silica
Prouzet et al. An example of integrative chemistry: Combined gelation of boehmite and sodium alginate for the formation of porous beads
CN105968825B (zh) 一种以生物交联剂交联蛋白制备多孔材料的方法
Annen et al. Development of porous zirconia spheres by polymerization-induced colloid aggregation—effect of polymerization rate
JP2004513049A5 (pt)
US2523204A (en) Colloidal silicate emulsifying composition
ZA902970B (en) Free-flowing,quick-dissolving dry adhesive powders,a process for their production and their use
JPH02172902A (ja) 化粧料
Tsubaki et al. Dependence of slurry characteristics on shape forming process of spray-dried granules

Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/07/1999, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 07.07.2019