ES2194874T3 - Silice precipitada. - Google Patents

Silice precipitada.

Info

Publication number
ES2194874T3
ES2194874T3 ES94928934T ES94928934T ES2194874T3 ES 2194874 T3 ES2194874 T3 ES 2194874T3 ES 94928934 T ES94928934 T ES 94928934T ES 94928934 T ES94928934 T ES 94928934T ES 2194874 T3 ES2194874 T3 ES 2194874T3
Authority
ES
Spain
Prior art keywords
initial seed
sio2
expressed
alkaline metal
silicate
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 - Lifetime
Application number
ES94928934T
Other languages
English (en)
Inventor
Yvonick Chevallier
Evelyne Prat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhodia Chimie SAS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26230634&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2194874(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from FR9311553A external-priority patent/FR2710629B1/fr
Priority claimed from FR9410046A external-priority patent/FR2723581B1/fr
Application filed by Rhodia Chimie SAS filed Critical Rhodia Chimie SAS
Application granted granted Critical
Publication of ES2194874T3 publication Critical patent/ES2194874T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/11—Powder tap density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter
    • C01P2006/17—Pore diameter distribution

Abstract

LA INVENCION SE REFIERE A SILICES QUE SE PRESENTAN EN FORMA DE POLVO, BOLAS SENSIBLEMENTE ESFERICAS O DE GRANULADOS, PRESENTAN UNA SUPERFICIE ESPECIFICA CTAB COMPRENDIDA ENTRE 140 Y 240 M2/G, UN FACTOR DE DESAGLOMERACION CON ULTRASONIDOS ELEVADOS, DIAMETRO MEDIANO, TRAS LA DESAGLOMERACION CON ULTRASONIDOS, PEQUEÑO, Y EVENTUALMENTE UNA DISTRIBUCION POROSA DE MANERA QUE EL VOLUMEN POROSO CONSTITUIDO POR LOS POROS CUYO DIAMETRO ESTA COMPRENDIDO ENTRE 175 Y 275 A REPRESENTA MENOS DE 50% DEL VOLUMEN POROSO CONSTITUIDO POR LOS POROS DE DIAMETROS INFERIORES O IGUALE A 400 A. LA UTILIZAION DE DICHAS SILICE COM O CARGAR DE REFUERZO PARA ELASTOMERO. PROCESOP DE PREPARACION DE SILICE PRECIPITADA DEL TIPO QUE COMPRENDE LA REACCION DE UN SILICATO DE METAL ALCALINO M CON UN AGENTE ACIDIFICANTE, POR LO QUE SE OBTIENE UNA SUSPENSION DE SILICE PRECIPITADA, Y DESPUES LA SEPARACION Y EL SECADO DE ESTA SUSPENSION, EN EL QUE SE REALIZA LA PRECIPITACION DE LA SIGUIENTE MANERA: (I) SE FORMA UN PIE DE CUBA INICIALQUE COMPRENDE UNA PARTE DE LA CANTIDAD TOTAL DEL SILICATO DE METALALCALINO M INTRODUCIDO EN LA REACCION, LA CONCENTRACION DE SILICATO(EXPRESADA EN SIO2) EN DICHO PIE DE CUBA SIENDO INFERIOR A 20G7L, (II) SE AÑADE EL AGENTE ACIDIFICANTE AL PIE DE CUBA HASTA QUE AL MENOS 5% DE LA CANTIDAD DE M2O PRESENTE EN DICHO PIE DE CUBA INICIAL SEAN NEUTRALIZADOS, (III) SE AÑADE AL MEDIO DE REACCION SIMULTANEAMENTE EL AGENTE ACIDIFICANTE Y LA CANTIDAD RESTANTE DE SILICATO DE METAL ALCALINO M DE MANERA QUE LA RELACION CANTIDAD DE SILICATO AÑADIDA (EXPRESADA EN SIO2)/CANTIDAD DE SILICE LA PRESENTA EN PRESENTE EN EL PIE DE CUBA INCIAL (EXPRESADA EN (SIO2) SEA SUPERIOR A 4 Y A LO SUMO 100.
ES94928934T 1993-09-29 1994-09-29 Silice precipitada. Expired - Lifetime ES2194874T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9311553A FR2710629B1 (fr) 1993-09-29 1993-09-29 Nouveau procédé de préparation de silice précipitée, nouvelles silices précipitées et leur utilisation au renforcement des élastomères.
FR9410046A FR2723581B1 (fr) 1994-08-12 1994-08-12 Nouveau procede de preparation de silice precipitee

Publications (1)

Publication Number Publication Date
ES2194874T3 true ES2194874T3 (es) 2003-12-01

Family

ID=26230634

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94928934T Expired - Lifetime ES2194874T3 (es) 1993-09-29 1994-09-29 Silice precipitada.

Country Status (15)

Country Link
US (1) US6335396B1 (es)
EP (1) EP0670813B1 (es)
JP (1) JP2799773B2 (es)
KR (2) KR0158071B1 (es)
CN (1) CN1047149C (es)
AT (1) ATE234264T1 (es)
AU (2) AU686240B2 (es)
BR (1) BR9405616A (es)
CA (1) CA2150369C (es)
DE (1) DE69432248T2 (es)
ES (1) ES2194874T3 (es)
FI (1) FI120581B (es)
PT (1) PT670813E (es)
RU (1) RU2092435C1 (es)
WO (1) WO1995009127A1 (es)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6977065B1 (en) * 1993-10-07 2005-12-20 Degussa Ag Precipitated silicas
FR2732331B1 (fr) * 1995-03-29 1997-06-20 Rhone Poulenc Chimie Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant du zinc et leur utilisation au renforcement des elastomeres
FR2732329B1 (fr) * 1995-03-29 1997-06-20 Rhone Poulenc Chimie Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant de l'aluminium et leur utilisation au renforcement des elastomeres
DE19526476A1 (de) * 1995-07-20 1997-01-23 Degussa Fällungskieselsäure
DE19527278A1 (de) * 1995-07-26 1997-01-30 Degussa Fällungskieselsäure
GB2308588B (en) 1995-12-27 1999-06-02 Rhone Poulenc Chemicals Silica particulates
CN1048956C (zh) * 1996-05-14 2000-02-02 汪承源 二次结晶超细白炭黑的制法
FR2750692B1 (fr) * 1996-07-05 1998-10-16 Rhone Poulenc Chimie Nouvelle silice abrasive, utilisable dans les dentifrices, son procede de preparation et compositions dentifrices la contenant
US5891949A (en) * 1997-05-02 1999-04-06 J.M. Huber Corporation Natural rubber compound
US5929156A (en) * 1997-05-02 1999-07-27 J.M. Huber Corporation Silica product for use in elastomers
FR2763581B1 (fr) 1997-05-26 1999-07-23 Rhodia Chimie Sa Silice precipitee utilisable comme charge renforcante pour elastomeres
FR2763593B1 (fr) * 1997-05-26 1999-07-09 Michelin & Cie Composition de caoutchouc a base de silice destinee a la fabrication d'enveloppes de pneumatiques routiers ayant une resistance au roulement amelioree
JP4071343B2 (ja) * 1998-02-18 2008-04-02 株式会社ブリヂストン ゴム組成物及びそれを用いた空気入りタイヤ
JPH11236208A (ja) * 1998-02-25 1999-08-31 Nippon Silica Ind Co Ltd ゴム補強用含水ケイ酸
DE19840153A1 (de) 1998-09-03 2000-04-20 Degussa Fällungskieselsäure
JP3678627B2 (ja) † 2000-04-11 2005-08-03 横浜ゴム株式会社 ゴム組成物
CA2457769C (fr) * 2001-08-13 2011-04-26 Rhodia Chimie Procede de preparation de silices, silices a distribution granulometrique et/ou repartition poreuse particulieres et leurs utilisations, notamment pour le renforcement de polymeres
FR2831178B1 (fr) 2001-10-22 2006-04-14 Rhodia Chimie Sa Compositions pigmentaires a base de silice
FR2833937B1 (fr) * 2001-12-26 2004-11-12 Rhodia Chimie Sa Silices a faible reprise en eau
EP1577263A4 (en) * 2002-07-10 2010-04-14 Tokuyama Corp BLOCK OF EASILY DISPOSABLE FLEECE SKINIC ACID AND ITS MANUFACTURING PROCESS
FR2843121B3 (fr) 2002-08-02 2004-09-10 Rhodia Chimie Sa Agent ignifugeant, procede de preparation et l'utilisation de cet agent
FR2856680B1 (fr) 2003-06-30 2005-09-09 Rhodia Chimie Sa Materiaux d'isolation thermique et/ou acoustique a base de silice et procedes pour leur obtention
US7820121B2 (en) * 2003-10-22 2010-10-26 Raymond Walter Shaw Destruction of organics in Bayer process streams
FR2862978B1 (fr) 2003-12-01 2005-12-30 Rhodia Chimie Sa Nouvel agent promoteur d'adherence sur une surface d'isolant thermique et en particulier sur une surface de polystyrene, et son utilisation dans le domaine de la construction et plus particulierement dans les systemes d'isolation
FR2864063B1 (fr) 2003-12-19 2006-04-07 Rhodia Chimie Sa Silice de haute structure a faible reprise en eau
US7202154B2 (en) * 2004-01-05 2007-04-10 International Business Machines Corporation Suspension for filling via holes in silicon and method for making the same
CN100341956C (zh) * 2004-05-28 2007-10-10 河南大学 一种纳米二氧化硅微粒制备方法
FR2886303B1 (fr) 2005-05-26 2007-07-20 Rhodia Chimie Sa Utilisation d'une combinaison particuliere d'un agent de couplage et d'un agent de recouvrement, comme systeme de couplage(charge blanche-elastomere) dans les compositions de caoutchouc comprenant une charge inorganique
FR2928363B1 (fr) * 2008-03-10 2012-08-31 Rhodia Operations Nouveau procede de preparation de silices precipitees, silices precipitees a morphologie, granulometrie et porosite particulieres et leurs utilisations, notamment pour le renforcement de polymeres
DE102008017731A1 (de) 2008-04-07 2009-10-08 Continental Aktiengesellschaft Kautschukmischung
DE102008017747A1 (de) * 2008-04-07 2009-10-08 Evonik Degussa Gmbh Gefällte Kieselsäuren als Verstärkerfüllstoff für Elastomermischungen
DE102008035867A1 (de) * 2008-08-01 2010-02-04 Evonik Degussa Gmbh Neuartige Fällungskieselsäuren für Trägeranwendungen
DE102008046874A1 (de) 2008-09-11 2010-03-18 Continental Reifen Deutschland Gmbh Gummiartikel
FR2962996B1 (fr) * 2010-07-23 2012-07-27 Rhodia Operations Nouveau procede de preparation de silices precipitees
FR2966830B1 (fr) 2010-11-03 2012-11-16 Rhodia Operations Utilisation d'une silice precipitee contenant de l'aluminium, d'une silice precipitee et de 3-acryloxy-propyltriethoxysilane dans une composition d'elastomere(s) isoprenique(s)
ES2401813B2 (es) 2011-10-11 2013-08-12 Industrias Químicas Del Ebro, S.A. Carga reforzante de caucho.
FR2985992B1 (fr) * 2012-01-25 2015-03-06 Rhodia Operations Nouveau procede de preparation de silices precitees
FR2985993B1 (fr) * 2012-01-25 2014-11-28 Rhodia Operations Nouveau procede de preparation de silices precipitees
FR2985990B1 (fr) * 2012-01-25 2014-11-28 Rhodia Operations Nouveau procede de preparation de silices precipitees a morphologie, granulometrie et porosite particulieres
FR2985991B1 (fr) * 2012-01-25 2014-11-28 Rhodia Operations Nouveau procede de preparation de silices precipitees
FR2988383B1 (fr) 2012-03-22 2017-06-09 Rhodia Operations Procede de preparation de silice precipitee mettant en oeuvre un malaxeur ou une extrudeuse
FR2988385B1 (fr) 2012-03-22 2014-05-09 Rhodia Operations Procede de preparation de silice precipitee comprenant une etape de concentration membranaire
FR2988386B1 (fr) 2012-03-22 2014-05-09 Rhodia Operations Procede de preparation de silice precipitee comprenant une etape de delitage a chaud
FR2988384B1 (fr) 2012-03-22 2015-09-11 Rhodia Operations Procede de preparation de silice precipitee comprenant une etape de fort compactage
FR2997405B1 (fr) 2012-10-29 2015-11-13 Rhodia Operations Utilisation d'une silice precipitee contenant du titane et d'un agent de couplage specifique dans une composition d'elastomere(s)
JP2015504842A (ja) * 2013-01-23 2015-02-16 ローディア オペレーションズ 特有のモルフォロジ、粒度、および気孔率を有する沈澱シリカの製造方法
FR3001971B1 (fr) * 2013-02-14 2016-05-27 Rhodia Operations Utilisation d'un acide polycarboxylique lors de la preparation d'une composition d'elastomere(s)
WO2017016712A1 (en) 2015-07-28 2017-02-02 Rhodia Operations Process for the recovery of sodium sulfate
EP3156368A1 (en) 2015-10-15 2017-04-19 Rhodia Operations Novel process for the preparation of silicate, novel process for the preparation of precipitated silica
CN105460940B (zh) * 2016-02-22 2017-05-31 冷水江三A新材料科技有限公司 一种介孔药物载体二氧化硅及其制备方法
HUE050380T2 (hu) 2016-08-30 2020-11-30 Rhodia Operations Szilárd-folyadék elektrolit akkumulátorban való alkalmazásra
WO2019025410A1 (en) 2017-08-04 2019-02-07 Rhodia Operations ELASTOMERIC COMPOSITION COMPRISING PRECIPITATED SILICA AND AROMATIC POLYMER CONTAINING SULFUR
WO2019106562A1 (en) 2017-11-29 2019-06-06 Pirelli Tyre S.P.A. Microbeads comprising silicate fibres with needle-shaped morphology of nanometric size, preparation thereof, elastomeric compositions and tyres for vehicles comprising them
US11702345B2 (en) 2017-12-27 2023-07-18 Rhodia Operations Silica suspensions
EP3746403A1 (en) 2018-02-01 2020-12-09 Rhodia Operations Silica suspension in an organic solvent and method for its manufacture
WO2019149873A1 (en) 2018-02-02 2019-08-08 Rhodia Operations Composite electrolyte
WO2019170694A1 (en) 2018-03-08 2019-09-12 Solvay Sa A process for the preparation of a solid polymer electrolyte useful in batteries
WO2020070119A1 (en) 2018-10-04 2020-04-09 Rhodia Operations Process for the manufacture of precipitated silica
KR20210090209A (ko) * 2018-11-08 2021-07-19 로디아 오퍼레이션스 침전 실리카 및 이의 제조 방법
EP3653673A1 (en) 2018-11-16 2020-05-20 Rhodia Operations Organosilane-modified precipitated silica
EP3691015A1 (en) 2019-02-01 2020-08-05 Rhodia Operations Electrolyte
WO2021009550A1 (en) 2019-07-18 2021-01-21 Rhodia Brasil Ltda Preparation of immobilized enzymes
WO2021069256A1 (en) * 2019-10-07 2021-04-15 Rhodia Operations Silica for oral care compositions
WO2021190979A1 (en) 2020-03-24 2021-09-30 Rhodia Operations Whitening oral care compositions
WO2022180133A1 (en) 2021-02-26 2022-09-01 Solvay Specialty Polymers Italy S.P.A. Method for sanitizing or sterilizing the surface of an article having a fluoropolymer coating
JP2024511855A (ja) 2021-04-02 2024-03-15 ローディア オペレーションズ 新規なシリカ、その調製のための方法、及びその使用

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB710015A (en) 1950-12-02 1954-06-02 Degussa An improved process for the production of finely divided silica
US2731326A (en) * 1951-08-31 1956-01-17 Du Pont Process of preparing dense amorphous silica aggregates and product
GB719918A (en) 1951-12-11 1954-12-08 Wyandotte Chemicals Corp Production of pigment grade silica
US3024199A (en) 1958-09-02 1962-03-06 Du Pont Stable aquasols of hydrous rare earth oxides and their preparation
US3383172A (en) 1964-02-04 1968-05-14 Degussa Process for producing silica in the form of hollow spheres
DE1807714C2 (de) 1968-11-08 1971-01-04 Degussa Verfahren und Vorrichtung zum kontinuierlichen Vorverdichten sowie gleichzeitigen Formen von feinteiligen Stoffen
US3669624A (en) 1970-07-09 1972-06-13 Grace W R & Co Process for producing high average pore volume silica
US3963512A (en) 1971-02-10 1976-06-15 Commonwealth Scientific And Industrial Research Organization Modification of mineral surfaces
US3794712A (en) 1971-10-26 1974-02-26 Nat Petro Chem Preparation of silica gels
US3923533A (en) 1972-03-02 1975-12-02 Ppg Industries Inc Thermally stable and crush resistant microporous glass catalyst supports
US3800031A (en) 1972-04-06 1974-03-26 Grace W R & Co Process for preparing silica hydrogel
US3803046A (en) 1972-06-28 1974-04-09 Grace W R & Co Process for preparing silica organogel
US3928541A (en) 1972-09-05 1975-12-23 Huber Corp J M Amorphous precipitated siliceous pigments for cosmetic or dentrifrice use and methods for their production
US4216113A (en) 1973-01-18 1980-08-05 W. R. Grace & Co. Process for preparing thickening grade of silica and process of using same
US3954944A (en) 1973-03-08 1976-05-04 Joseph Crosfield & Sons, Ltd. Fine silicas
US4049781A (en) 1973-11-02 1977-09-20 W. R. Grace & Co. Method of preparing loosely aggregated 200-500 millimicron silica
AU497891B2 (en) 1974-05-22 1979-01-18 J.M. Huber Corp. Siliceous pigments & their production
FR2353486A1 (fr) 1976-06-04 1977-12-30 Rhone Poulenc Ind Nouvelle silice de synthese amorphe, procede pour son obtention et application de ladite silice dans les vulcanisats
WO1979000248A1 (en) 1977-11-01 1979-05-17 Atomic Energy Authority Uk Production of dispersions
FR2453880A1 (fr) 1979-04-13 1980-11-07 Rhone Poulenc Ind Nouveau pigment a base de silice sous forme de bille, procede pour l'obtenir et application, notamment comme charge renforcante dans les elastomeres
US4340583A (en) 1979-05-23 1982-07-20 J. M. Huber Corporation High fluoride compatibility dentifrice abrasives and compositions
FR2471947A1 (fr) 1979-12-20 1981-06-26 Rhone Poulenc Ind Silice de precipitation, notamment utilisable comme charge renforcante
US4356106A (en) 1980-05-09 1982-10-26 United Kingdom Atomic Energy Authority Cerium compounds
US4508607A (en) 1982-10-18 1985-04-02 W. R. Grace & Co. Particulate dialytic silica
JPS60105609A (ja) 1983-03-04 1985-06-11 Taki Chem Co Ltd 歯磨用シリカ基剤及びその製造方法
JPS59163306A (ja) 1983-03-08 1984-09-14 Taki Chem Co Ltd 歯磨用シリカ基剤及びその製法
FR2567505B1 (fr) 1984-07-11 1986-11-21 Rhone Poulenc Chim Base Silice a prise d'huile elevee et a structure primaire controlee et procede pour son obtention
US5236623A (en) 1984-07-11 1993-08-17 Rhone-Poulenc Chimie Process for the production of a silica colloid
GB8430244D0 (en) 1984-11-30 1985-01-09 Atomic Energy Authority Uk Preparation of materials
US4562066A (en) 1984-12-11 1985-12-31 Colgate-Palmolive Company Astringent dentifrice containing monofluorophosphate
FR2583735B1 (fr) 1985-06-20 1990-11-23 Rhone Poulenc Spec Chim Nouvelles dispersions colloidales d'un compose de cerium iv en milieu aqueux et leur procede d'obtention.
FR2584698B1 (fr) 1985-07-15 1990-05-18 Rhone Poulenc Spec Chim Procede de preparation de particules de silice spheroidales
FR2589871B1 (fr) 1985-09-13 1987-12-11 Rhone Poulenc Chim Base Charge renforcante pour elastomere a base de silice
JPH0643246B2 (ja) 1985-10-08 1994-06-08 川鉄鉱業株式会社 シリカの高純度化方法
GB8529970D0 (en) 1985-12-05 1986-01-15 Unilever Plc Spheroidal silica
FR2596382B1 (fr) 1986-03-26 1988-05-27 Rhone Poulenc Chimie Dispersions aqueuses colloidales d'un compose de cerium iv et leur procede d'obtention
DE3776416D1 (de) 1986-06-06 1992-03-12 Rhone Poulenc Chimie Koernchen auf der basis von kieselsaeure, verfahren zur deren herstellung und deren anwendung als fuellstoff in elastomeren.
DE3639844A1 (de) 1986-11-21 1988-06-01 Degussa Zahnpflegemittel
FR2611196B1 (fr) 1987-02-25 1990-07-27 Rhone Poulenc Chimie Nouvelles silices de precipitation a faible reprise en eau, leur procede de preparation et leur application au renforcement des elastomeres silicones
FR2613708B1 (fr) 1987-04-13 1990-10-12 Rhone Poulenc Chimie Silice de precipitation hydrophobe, son procede de preparation et son application au renforcement des elastomeres silicones
US4973462A (en) 1987-05-25 1990-11-27 Kawatetsu Mining Company, Ltd. Process for producing high purity silica
FR2621576B1 (fr) 1987-10-09 1990-01-05 Rhone Poulenc Chimie Dispersion colloidale d'un compose de cerium iv en milieu aqueux et son procede de preparation
FR2627176B1 (fr) 1988-02-11 1990-06-15 Rhone Poulenc Chimie Suspension aqueuse stable de silice de precipitation
IL89607A0 (en) 1988-03-31 1989-09-10 Reo Lp Process for fractionating a mixture of rare earth metals by ion exchange
DE3815670A1 (de) * 1988-05-07 1990-01-25 Degussa Feinteilige faellungskieselsaeure mit hoher struktur, verfahren zu seiner herstellung und verwendung
FR2631620B1 (fr) * 1988-05-19 1990-07-27 Rhone Poulenc Chimie Nouvelle silice precipitee absorbante et composition a base de cette s ilice
NZ232170A (en) * 1989-03-23 1993-01-27 Tasman Pulp & Paper Co Ltd Precipitation of amorphous silica from geothermal fluid; use of silica in coating paper sheet
FR2646673B1 (fr) 1989-05-02 1991-09-06 Rhone Poulenc Chimie Silice sous forme de bille, procede de preparation et son utilisation au renforcement des elastomeres
FR2649089B1 (fr) * 1989-07-03 1991-12-13 Rhone Poulenc Chimie Silice a porosite controlee et son procede d'obtention
CA2021229A1 (en) * 1989-07-18 1991-01-19 Tadashi Mochizuki High purity silica and method for producing high purity silica
JP2670154B2 (ja) 1989-10-06 1997-10-29 日東電工株式会社 逆浸透膜分離プロセスを有する希土類の分離精製システム
FR2655972B1 (fr) 1989-12-15 1992-04-24 Rhone Poulenc Chimie Procede de preparation d'une dispersion collouidale d'un compose de cerium iv en milieu aqueux et dispersions obtenues.
US5094829A (en) 1990-06-21 1992-03-10 Ppg Industries, Inc. Reinforced precipitated silica
FR2678259B1 (fr) 1991-06-26 1993-11-05 Rhone Poulenc Chimie Nouvelles silices precipitees sous forme de granules ou de poudres, procedes de synthese et utilisation au renforcement des elastomeres.
US5231066A (en) 1991-09-11 1993-07-27 Quantum Chemical Corporation Bimodal silica gel, its preparation and use as a catalyst support
KR960010781B1 (ko) 1991-10-02 1996-08-08 유니레버 엔브이 실리카
EP0643015B1 (de) 1993-08-07 1996-09-18 Degussa Aktiengesellschaft Verfahren zur Herstellung einer Fällungskieselsäure
US6001322A (en) * 1993-09-29 1999-12-14 Rhone-Poulenc Chimie Precipitated silicas
JPH07204609A (ja) * 1994-01-14 1995-08-08 Matsushita Electric Works Ltd 生ごみ処理装置

Also Published As

Publication number Publication date
PT670813E (pt) 2003-07-31
AU7816394A (en) 1995-04-18
CN1114832A (zh) 1996-01-10
EP0670813B1 (fr) 2003-03-12
US6335396B1 (en) 2002-01-01
JPH08502716A (ja) 1996-03-26
CA2150369C (fr) 2001-05-01
ATE234264T1 (de) 2003-03-15
KR950704193A (ko) 1995-11-17
RU2092435C1 (ru) 1997-10-10
KR0158071B1 (ko) 1998-11-16
AU686240B2 (en) 1998-02-05
JP2799773B2 (ja) 1998-09-21
DE69432248T2 (de) 2004-08-19
FI952605A (fi) 1995-05-29
AU4366797A (en) 1998-02-05
BR9405616A (pt) 1999-09-08
WO1995009127A1 (fr) 1995-04-06
CA2150369A1 (fr) 1995-04-06
DE69432248D1 (de) 2003-04-17
FI952605A0 (fi) 1995-05-29
KR0158188B1 (en) 1999-10-15
EP0670813A1 (fr) 1995-09-13
CN1047149C (zh) 1999-12-08
FI120581B (fi) 2009-12-15
AU712323B2 (en) 1999-11-04

Similar Documents

Publication Publication Date Title
ES2194874T3 (es) Silice precipitada.
ATE244683T1 (de) Fällungskieselsäure verwendbar als verstärkender füllstoff in elastomeren
AU686241B2 (en) Precipitated silica
TW369553B (en) New process for the preparation of precipitated silica, new precipitated silica containing aluminium and their use for the reinforcement of elastomers
TW374780B (en) Process for the preparation of precipitated silica, precipitated silica and its use as reinforcing filler for elastomers
FI943648A0 (fi) Menetelmä täytepiihapon valmistamiseksi
ATE222566T1 (de) Zur verwendung in zahnpasten geeignete kieselsäure
MY115160A (en) Precipitated silica
TH35864B (th) ซิลิคาที่ตกตะกอนชนิดใหม่ กรรมวิธีสำหรับการเตรียมและการใช้สำหรับอีลาสโตเมอร์เสริมความแข็งแรง
TH19080A (th) ซิลิคาที่ตกตะกอนชนิดใหม่ กรรมวิธีสำหรับการเตรียมและการใช้สำหรับอีลาสโตเมอร์เสริมความแข็งแรง
MX9605927A (es) Nuevo proceso para la preparacion de silice precipitado, nuevos silices precipitados que contienen zinc, y su uso para el reforzamiento de elastomeros.
MY112578A (en) Precipitated silicas
TH26084B (th) กระบวนการแบบใหม่สำหรับการเตรียมตะกอนซิลิกา, ตะกอน ซิลิกาชนิดใหม่ซึ่งบรรจุด้วยอะลูมิเนียมและการใช้ของมัน สำหรับการเสริมความแข็งแรงของสารยืดหยุ่น