BR9302206A - Processo continuo para a preparacao de sois de silica - Google Patents

Processo continuo para a preparacao de sois de silica

Info

Publication number
BR9302206A
BR9302206A BR9302206A BR9302206A BR9302206A BR 9302206 A BR9302206 A BR 9302206A BR 9302206 A BR9302206 A BR 9302206A BR 9302206 A BR9302206 A BR 9302206A BR 9302206 A BR9302206 A BR 9302206A
Authority
BR
Brazil
Prior art keywords
sounds
silica
preparation
continuous process
continuous
Prior art date
Application number
BR9302206A
Other languages
English (en)
Inventor
Uwe Brekau
Hans-Dieter Dr Block
Hans-Heinrich Dr Moretto
Peter Dr Schmidt
Peter Dr Schober
Werner Dr Ludovici
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR9302206A publication Critical patent/BR9302206A/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
    • C01B33/142—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
    • C01B33/143—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
    • C01B33/1435—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates using ion exchangers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
BR9302206A 1992-06-03 1993-06-02 Processo continuo para a preparacao de sois de silica BR9302206A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4218306A DE4218306C2 (de) 1992-06-03 1992-06-03 Verfahren zur kontinuierlichen Herstellung großpartikulärer Kieselsole

Publications (1)

Publication Number Publication Date
BR9302206A true BR9302206A (pt) 1993-12-14

Family

ID=6460306

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9302206A BR9302206A (pt) 1992-06-03 1993-06-02 Processo continuo para a preparacao de sois de silica

Country Status (6)

Country Link
US (1) US5964693A (pt)
EP (1) EP0572888B1 (pt)
JP (1) JPH07291613A (pt)
BR (1) BR9302206A (pt)
DE (2) DE4218306C2 (pt)
ES (1) ES2081163T3 (pt)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CO5070714A1 (es) * 1998-03-06 2001-08-28 Nalco Chemical Co Proceso para la preparacion de silice coloidal estable
JP4909497B2 (ja) * 2001-05-10 2012-04-04 アルベマーレ ネザーランズ ビー．ブイ． 無機固体粒子の効率的な転化のための連続プロセス及び装置
US20050250642A1 (en) * 2001-05-10 2005-11-10 Dennis Stamires Continuous process and apparatus for the efficient conversion of inorganic solid particles
DE10152993A1 (de) * 2001-10-26 2003-05-08 Bayer Ag Zusammensetzung für das chemisch-mechanische Polieren von Metall- und Metall/Dielektrikastrukturen mit hoher Selektivität
DE10230982A1 (de) * 2002-07-10 2004-01-22 H.C. Starck Gmbh Guanidincarbonat-haltiges Kieselsol
US6828027B1 (en) * 2003-06-02 2004-12-07 Baswaacoustic Ag Fire-resistant coated building panels
KR100853924B1 (ko) * 2004-04-07 2008-08-25 악조 노벨 엔.브이. 실리카-기초 졸 및 이의 제조 및 용도
US7732495B2 (en) * 2004-04-07 2010-06-08 Akzo Nobel N.V. Silica-based sols and their production and use
US7629392B2 (en) * 2004-04-07 2009-12-08 Akzo Nobel N.V. Silica-based sols and their production and use
KR100853923B1 (ko) * 2004-04-07 2008-08-25 악조 노벨 엔.브이. 실리카-기초 졸 및 그 제조 및 용도
US20070034116A1 (en) * 2005-08-10 2007-02-15 Mac Donald Dennis L Silica sols with controlled minimum particle size and preparation thereof
US8052788B2 (en) * 2005-08-10 2011-11-08 Nalco Company Method of producing silica sols with controllable broad size distribution and minimum particle size
DE102006032590A1 (de) * 2006-07-13 2008-01-17 H.C. Starck Gmbh Hydrothermales Verfahren zur Herstellung von nano- bis mikroskaligen Partikeln
CN102372273B (zh) * 2011-08-23 2014-10-08 江苏天恒纳米科技股份有限公司 双粒径二氧化硅溶胶及其制备方法
WO2014052072A1 (en) 2012-09-26 2014-04-03 3M Innovative Properties Company Coatable composition, soil-resistant composition, soil-resistant articles, and methods of making the same
JP2016500654A (ja) 2012-09-26 2016-01-14 スリーエム イノベイティブ プロパティズ カンパニー コーティング可能な組成物、抗菌性組成物、抗菌性物品、及びそれらの作製方法
CN103896288B (zh) * 2012-12-26 2016-09-07 比亚迪股份有限公司 一种二氧化硅水溶胶及其制备方法
CN105143510A (zh) 2013-04-18 2015-12-09 3M创新有限公司 纳米二氧化硅/粘土组合物和涂覆制品及其制备方法
EP2986680B1 (en) 2013-04-18 2017-05-17 3M Innovative Properties Company Buried clay/nanosilica static dissipative coatings
WO2015050560A1 (en) 2013-10-04 2015-04-09 3M Innovative Properties Company Coatable composition, antistatic composition, antistatic articles, and methods of making the same
CN103880023A (zh) * 2014-04-09 2014-06-25 陆曹生 一种大粒径硅溶胶制备方法
RU2634447C1 (ru) * 2016-06-28 2017-10-30 Закрытое акционерное общество "Русский Хром 1915" Состав для антикоррозийного покрытия
EP3759048A1 (en) 2018-03-02 2021-01-06 Nouryon Chemicals International B.V. Charge-reversed silica sol
JP7035219B2 (ja) 2018-04-20 2022-03-14 スリーエム イノベイティブ プロパティズ カンパニー Ｈｖｏｆ耐性テープの適用方法
JP2021522361A (ja) 2018-04-20 2021-08-30 スリーエム イノベイティブ プロパティズ カンパニー エラストマーバッキング層を有するテープ
CN110980745B (zh) * 2019-10-30 2021-11-30 航天特种材料及工艺技术研究所 一种硅溶胶及制备方法
EP3988595A1 (de) 2020-10-26 2022-04-27 Covestro Deutschland AG Einsatz von frischsol in formulierungen auf basis von polyurethandispersionen
CN114195154A (zh) * 2021-12-27 2022-03-18 于向真 一种以水玻璃生产硅溶胶的制备方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA726149A (en) * 1966-01-18 J. Klosak Eugene Continuous method for making silica sols
US2244325A (en) * 1940-04-15 1941-06-03 Paul G Bird Colloidal solutions of inorganic oxides
US2574902A (en) * 1948-12-15 1951-11-13 Du Pont Chemical processes and composition
US2680721A (en) * 1952-03-20 1954-06-08 Du Pont Process of increasing the size of unaggregated silica particles in an aqueous silicasuspension
CH341802A (de) * 1955-02-03 1959-10-31 Basf Ag Verfahren zur kontinuierlichen Herstellung kieselsäurehaltiger Hydrogele
US3012972A (en) * 1959-02-20 1961-12-12 Du Pont Aqueous silica dispersions and their production
US3440174A (en) * 1965-04-26 1969-04-22 Nalco Chemical Co Method of making silica sols containing large particle size silica
US3468813A (en) * 1965-09-13 1969-09-23 Nalco Chemical Co Method of producing acid silica sols
US3440175A (en) * 1965-10-22 1969-04-22 Helmut H Weldes Continuous process for making silica sols
US3440176A (en) * 1966-03-31 1969-04-22 Du Pont Preparation of silica sols of minimum turbidity
US3462374A (en) * 1966-04-04 1969-08-19 Nalco Chemical Co Method of preparing concentrated silica sols
US3538015A (en) * 1967-12-07 1970-11-03 Nalco Chemical Co Large particle silica sols and method of production
US3673104A (en) * 1969-04-28 1972-06-27 Nalco Chemical Co Method of preparing silica sols containing large particle size silica
US3947376A (en) * 1969-04-28 1976-03-30 Nalco Chemical Company Silica sols containing large particle size silica
US3959174A (en) * 1971-08-24 1976-05-25 W. R. Grace & Co. Method of selectively producing high pore volume silica gel
US3756958A (en) * 1972-04-12 1973-09-04 Du Pont Process for increasing size of silica particles in aqueous silica sol
DE2907108A1 (de) * 1979-02-23 1980-09-04 Basf Ag Verfahren zur herstellung lagerstabiler, pumpbarer und fliessfaehiger alumosilikat-suspensionen durch nassvermahlung
US4356107A (en) * 1979-11-26 1982-10-26 Nalco Chemical Company Process for preparing silica sols
FR2567504B1 (fr) * 1984-07-11 1989-12-29 Rhone Poulenc Chim Base Colloides de silice et silices spheriques et procedes pour leur obtiention
US5236623A (en) * 1984-07-11 1993-08-17 Rhone-Poulenc Chimie Process for the production of a silica colloid
DE3616133A1 (de) * 1985-09-25 1987-11-19 Merck Patent Gmbh Kugelfoermige sio(pfeil abwaerts)2(pfeil abwaerts)-partikel
US5215733A (en) * 1986-04-25 1993-06-01 Unilever Patent Holdings B.V. Manufacture of silica gels using shear to reduce the particle size prior to washing with a hydrocyclone

Also Published As

Publication number Publication date
ES2081163T3 (es) 1996-02-16
DE4218306A1 (de) 1993-12-09
US5964693A (en) 1999-10-12
DE59300842D1 (de) 1995-12-07
DE4218306C2 (de) 1995-06-22
EP0572888A1 (de) 1993-12-08
JPH07291613A (ja) 1995-11-07
EP0572888B1 (de) 1995-11-02

Similar Documents

Publication Publication Date Title
BR9302206A (pt) Processo continuo para a preparacao de sois de silica
BR9302015A (pt) Processo para a preparacao de diisocianatos aromaticos
PT97433A (pt) Processo para a preparacao de sacarose-6-ester
PT770615E (pt) Processo para a preparacao de di-haloazolopirimidinas
PT97731A (pt) Processo para a purificacao de polidextrose
BR9202129A (pt) Processo para a producao de vanilina e vanilina
BR9706465A (pt) Processo para a preparação contínua de metilmercaptano
BR9103981A (pt) Processo para o preparo continuo de anilina
BR9301180A (pt) Processo para a preparacao de isocianatos e emprego
BR9500613A (pt) Processo para a preparação contínua de mononitrotoluenos
BR9300234A (pt) Processo para a purificacao de polissulfetos
PT877738E (pt) Processo para a preparacao de derivados de fenil-imidazolidina
BR9301399A (pt) Processo para a preparacao de um monoazocorante
BR9205129A (pt) Processo para a preparacao de isocianatos puros
BR9305223A (pt) Processo para produzir azadiractina
BR9503610A (pt) Processo contínuo para a produçao de misturas isomeros de dinitrololueno
BR9301676A (pt) Processo para a preparacao de 1,1,1,4,4,4-hexafluorbutano e compostos obtidos
PT880498E (pt) Processo para a preparacao de compostos dicetonicos
PT97828A (pt) Processo para a preparacao de fenil-triazinas
BR9305009A (pt) Processo para a preparação de aldeídos
BR9101083A (pt) Processo para a preparacao de polimeros de policetona
BR9100646A (pt) Processo para a preparacao de polimeros
BR9107254A (pt) Processo continuo em cadinho para producao de dintrotolueno
BR9100348A (pt) Processo continuo para a preparacao de polimeros
BR9102040A (pt) Processo para a preparacao de tio-derivados de alquil-hidroxianilino-triazina

Legal Events

Date Code Title Description
EE Request for examination
FF Decision: intention to grant
HO Change of classification

Free format text: ALTERADA DE INT. CL. C01B 33/143

FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 9A , 10A , 11A , 12A , 13A , 14A , 15A , 16A E 17A ANUI DADES.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 9A, 10A, 11A, 12A, 13A, 14A, 15A, 16A E 17A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.