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MX2012002614A - Nuevo metodo para la preparacion de silice precipitado. - Google Patents

Nuevo metodo para la preparacion de silice precipitado.

Info

Publication number
MX2012002614A
MX2012002614A MX2012002614A MX2012002614A MX2012002614A MX 2012002614 A MX2012002614 A MX 2012002614A MX 2012002614 A MX2012002614 A MX 2012002614A MX 2012002614 A MX2012002614 A MX 2012002614A MX 2012002614 A MX2012002614 A MX 2012002614A
Authority
MX
Mexico
Prior art keywords
precipitated silica
novel method
acid
silicate
preparing precipitated
Prior art date
Application number
MX2012002614A
Other languages
English (en)
Inventor
Emmanuelle Allain
Original Assignee
Rhodia Operations
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 Rhodia Operations filed Critical Rhodia Operations
Publication of MX2012002614A publication Critical patent/MX2012002614A/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D37/00Processes of filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)

Abstract

La invención es concerniente con un método para preparar sílice precipitada que consiste de: (i) formar un arrancador que tiene un pH entre 2 y 5; (ii) agregar simultáneamente sílice y ácido, de tal manera que el pH del medio de reacción es de entre 2 y 5; (iii) agregar silicato hasta que el pH es de entre 7 y 10; (iv) agregar simultáneamente silicato y ácido, de tal manera que el pH es de entre 7 y 10; (v) agregar ácido hasta que el pH de entre 2.5 y 5.3; (vi) traer el medio de reacción en contacto con el ácido y el silicato, de tal manera que el pH es de entre aproximadamente 2.5 y 5.3 y (vii) agregar silicato para incrementar el pH a un valor de entre 4.7 y 6.3.
MX2012002614A 2009-09-03 2010-09-02 Nuevo metodo para la preparacion de silice precipitado. MX2012002614A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0904179A FR2949454B1 (fr) 2009-09-03 2009-09-03 Nouveau procede de preparation de silices precipitees
PCT/EP2010/062864 WO2011026895A1 (fr) 2009-09-03 2010-09-02 Nouveau procede de preparation de silices precipitees

Publications (1)

Publication Number Publication Date
MX2012002614A true MX2012002614A (es) 2012-04-20

Family

ID=42104457

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2012002614A MX2012002614A (es) 2009-09-03 2010-09-02 Nuevo metodo para la preparacion de silice precipitado.

Country Status (10)

Country Link
US (1) US9567230B2 (es)
EP (1) EP2473443B1 (es)
JP (1) JP5628920B2 (es)
KR (1) KR101426175B1 (es)
CN (1) CN102548898B (es)
BR (1) BR112012004842B1 (es)
ES (1) ES2618805T3 (es)
FR (1) FR2949454B1 (es)
MX (1) MX2012002614A (es)
WO (1) WO2011026895A1 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY180098A (en) * 2011-12-23 2020-11-22 Rhodia Operations Novel process for preparing silicas
FR2985991B1 (fr) 2012-01-25 2014-11-28 Rhodia Operations Nouveau procede de preparation de silices precipitees
FR2985992B1 (fr) * 2012-01-25 2015-03-06 Rhodia Operations Nouveau procede de preparation de silices precitees
JP2015504843A (ja) * 2013-01-23 2015-02-16 ローディア オペレーションズ 沈澱シリカの製造方法
JP6204695B2 (ja) * 2013-05-15 2017-09-27 株式会社トクヤマ 金属酸化物ゾルの製造方法
CN109626384A (zh) * 2018-12-27 2019-04-16 通化双龙硅材料科技有限公司 一种牙膏用沉淀二氧化硅摩擦剂的制备方法
CN112250074B (zh) * 2020-10-26 2021-05-07 广州市飞雪材料科技有限公司 一种高吸油高比表面积的二氧化硅的制备方法及其应用
US20240409418A1 (en) 2021-10-26 2024-12-12 Evonik Operations Gmbh Precipitated silica, process for production thereof and use thereof
CN114132938B (zh) * 2021-12-08 2022-05-24 金三江(肇庆)硅材料股份有限公司 一种高吸油值低比表面积二氧化硅及其制备方法
JP2025501077A (ja) 2021-12-23 2025-01-17 ローディア オペレーションズ 沈降シリカ及びその製造方法
WO2023118283A1 (en) 2021-12-23 2023-06-29 Rhodia Operations Precipitated silica and process for its manufacture
US20250382188A1 (en) * 2022-06-24 2025-12-18 Rhodia Operations Method For Recovering Silicate from Polymeric Composition Comprising Silica

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034914A (en) * 1959-05-05 1962-05-15 Pittsburgh Plate Glass Co Preparation of siliceous products
FR2710629B1 (fr) * 1993-09-29 1995-12-29 Rhone Poulenc Chimie Nouveau procédé de préparation de silice précipitée, nouvelles silices précipitées et leur utilisation au renforcement des élastomères.
FR2732328B1 (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
JP4515761B2 (ja) * 2001-08-13 2010-08-04 ロディア・シミ シリカの製造方法、特定の細孔寸法及び/又は粒度分布を有するシリカ並びにそれらの特に重合体強化のための使用
EP1423459B1 (fr) * 2001-08-13 2008-02-27 Société de Technologie Michelin Composition de caoutchouc dienique pour pneumatique comprenant une silice specifique comme charge renforcante
FR2910459B1 (fr) * 2006-12-22 2010-09-17 Rhodia Recherches & Tech Nouveau procede de preparation de silices precipitees par mise en oeuvre d'un melangeur rapide
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

Also Published As

Publication number Publication date
US9567230B2 (en) 2017-02-14
JP5628920B2 (ja) 2014-11-19
KR20120041236A (ko) 2012-04-30
CN102548898B (zh) 2015-01-14
BR112012004842A2 (pt) 2016-03-15
FR2949454A1 (fr) 2011-03-04
US20120263638A1 (en) 2012-10-18
EP2473443B1 (fr) 2016-12-21
CN102548898A (zh) 2012-07-04
FR2949454B1 (fr) 2011-09-16
WO2011026895A1 (fr) 2011-03-10
ES2618805T3 (es) 2017-06-22
JP2013503806A (ja) 2013-02-04
BR112012004842B1 (pt) 2019-07-09
EP2473443A1 (fr) 2012-07-11
KR101426175B1 (ko) 2014-08-01

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