KR950704194A - 침강 실리카(precipitated silica) - Google Patents

침강 실리카(precipitated silica)

Info

Publication number
KR950704194A
KR950704194A KR1019950702168A KR19950702168A KR950704194A KR 950704194 A KR950704194 A KR 950704194A KR 1019950702168 A KR1019950702168 A KR 1019950702168A KR 19950702168 A KR19950702168 A KR 19950702168A KR 950704194 A KR950704194 A KR 950704194A
Authority
KR
South Korea
Prior art keywords
silica
amount
silicate
added
less
Prior art date
Application number
KR1019950702168A
Other languages
English (en)
Other versions
KR0164039B1 (ko
Inventor
슈발리에 이보닉
프라 에블린
Original Assignee
마르 델렌느
롱-쁠랑 쉬미
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=9451334&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR950704194(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 마르 델렌느, 롱-쁠랑 쉬미 filed Critical 마르 델렌느
Publication of KR950704194A publication Critical patent/KR950704194A/ko
Application granted granted Critical
Publication of KR0164039B1 publication Critical patent/KR0164039B1/ko

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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/36Silica
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/04Ingredients treated with organic substances
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • C01P2004/32Spheres
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/50Agglomerated particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/11Powder tap density
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/14Pore volume
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/16Pore diameter
    • C01P2006/17Pore diameter distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/19Oil-absorption capacity, e.g. DBP values

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Steroid Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

본 발명은 분말 및 구형의 비드 또는 과립 형태를 갖는 신규의 실리카에 관한 것이다. 이 실리카는 CTAB비표면적이 100~140㎡/g이고, 초음파 수단에 의한 봉해후 작은 중앙 직경을 가지며, 임의로, 직경이 175~275Å인 세공이 차지하는 세공의 부피가, 직경의 400Å이하인 세공이 차지하는 부피의 55%미만인 다공성 분포를 가짐을 특징으로 한다.
본 발명은 또한 상기 실리카의 제조 방법 및 탄성체를 위한 강화 충진제로서 그의 용도에 관한 것이다.

Description

침강 실리카(PRECIPITATED SILICA)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (24)

  1. -CATB비표면적(SCTAB)이 100-140㎡/g이며, -초음파 붕해후 중앙 직경(ψ50)이 2.8ψm미만임을 특징으로 하는 침강 실리카.
  2. 제1항에 있어서, 초음파 붕해 인자(FD)가 3㎖이상임을 특징으로 하는 실리카.
  3. -CATB비표면적(SCTAB)이 100-140㎡/g이며, -직경이 175~275Å인 세공으로 구성된 세공의 부피가, 직경이 400Å이하인 세공으로 구성된 세공 부피의 55%미만인 세공분포를 가지며, -초음파 붕해후 중앙 직경(ψ50)이 4.5ψm미만임을 특징으로 하는 침강 실리카.
  4. 제3항에 있어서, 직경이 175~275Å인 세공으로 구성된 세공의 부피가, 직경이 400Å이하인 세공으로 구성된 세공 부피의 50%미만인 세공 분포를 가짐을 특징으로 하는 실리카.
  5. 제3하 또는 제4항에 있어서, 초음파 붕해 인자(FD)가 3.0㎖이상임을 특징으로 하는 실리카.
  6. 제3항 내지 제5항중 어느 한 항에 있어서, 실질적으로 구형의 비드(bead)형태이고, 초음파 붕해후 중앙 직경(ψ50)이 3.1㎖미만이며, 초음파 붕해 인자(FD)가 8㎖이상임을 특징으로 하는 실리카.
  7. 제1항 내지 제5항중 어느 한 항에 있어서, 평균 크기가 15ψm이상인 분말 형태임을 특징으로 하는 실리카.
  8. 제1항 내지 제5항중 어느 한 항에 있어서, 크기가 1㎜이상인 과립 형태임을 특징으로 하는 실리카.
  9. 제1항 내지 제6항중 어느 한 항에 있어서, 평균 크기가 80ψm이상인 실질적으로 구형의 비드 형태임을 특징으로 하는 실리카.
  10. 제1항 내지 제9항중 어느 한 항에 있어서, BET비표면적(SCTAB)이 100~210㎡/g임을 특징으로 하는 실리카.
  11. 제1항 내지 제10항중 어느 한 항에 있어서, SBET/SCTAB비가 1.0~1.2임을 특징으로 하는 실리카.
  12. 제1항 내지 제10항중 어느 한 항에 있어서, SBET/SCTAB비가 1.2이상임을 특징으로 하는 실리카.
  13. 제1항 내지 제12항중 어느 한 항에 있어서, DOP 오일 흡수량이 150~400㎖/100g임을 특징으로 하는 실리카.
  14. 알칼리 금속 M의 규산염을 산성화제와 반응시켜, 침강 실리카의 현택액을 수득하고, 이어서 이 현탁액의 분리 및 건조를 포함하는 유형의 실리카 제조 방법에 있어서, 침강이 (i)반응에 관여한 알칼리 금속 M의 규산염 총량의 일부를 함유하고, SiO2로 표현되는 이 규산염의 농도가 원액중에서 20g/ℓ미만인 초기 원액을 형성하고, (ii)초기 원액에 존재하는 M2O양의 5%이상이 중화될때까지 산성화제를 초기 원액에 첨가하며, (iii)첨가한 규산염의 양(SiO2로 표현)/초기 원액에 존재하는 규산염의 양(SiO2로 표현)의 비율이 12~100이 되도록, 산성화제를 알칼리 금속 M의 규산염의 나머지량과 동시에 반응 혼합물에 첨가함으로써 수행됨을 특징으로 하는 제1항 내지 제13항중 어느 한 항에 따른 실리카의 제조방법.
  15. 제1항에 있어서, (ii)단계에서, 초기 원액에 존재하는 M2O양의 50%이상이 중화될때까지 산성화제를 첨가함을 특징으로 하는 방법.
  16. 제14항 또는 제15항에 있어서, (iii)단계에서, 첨가한 규산염의 양/초기 원액에 존재하는 실리카의 양의 비율이 12~50이 되도록 산성화제를 알칼리 금속 M의 규산염의 나머지 양과 동시에 반응 혼합물에 첨가함을 특징으로 하는 방법.
  17. 제14항 내지 제16항중 어느 한 항에 있어서, (iii)단계후에, 바람직하게는 반응 혼합물의 pH값이 3~6.5가 될때까지, 반응혼합물에 추가량의 산성화제를 첨가함을 특징으로 하는 방법.
  18. 제14항 내지 제17항중 어느 한 항에 있어서, (iii)단계를 통하여, 첨가한 산성화제의 양이, 첨가한 M2O양의 80~90%가 중화되는 양임을 특징으로 하는 방법.
  19. 제14항 내지 제18항중 어느 한 항에 있어서, SiO2로 표현되는 규산염의 농도가 초기 원액 중에서 11g/ℓ이상임을 특징으로 하는 방법.
  20. 제14항 내지 제19항중 어느 한 항에 있어서, 전해질을 사용하지 않음을 특징으로 하는 방법.
  21. 제14항 내지 제20항중 어느 한 항에 있어서, 분무에 의하여 건조를 수행함을 특징으로 하는 방법.
  22. 제21항에 있어서, 건조 생성물이 이후에 응집됨을 특징으로 하는 방법.
  23. 제21항에 있어서, 건조 생성물이 이후세 분쇄되고 이어서 임의로 응집됨을 특징으로 하는 방법.
  24. 탄성체를 위한 강화 충진제용 제1항 내지 제13항 중 어느 한 항의 실리카.
    ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.
KR1019950702168A 1993-09-29 1994-09-29 침강 실리카 KR0164039B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9311554A FR2710630B1 (fr) 1993-09-29 1993-09-29 Nouvelles silices précipitées, leur procédé de préparation et leur utilisation au renforcement des élastomères.
FR93-11554 1993-09-29
FR93/11554 1993-09-29

Publications (2)

Publication Number Publication Date
KR950704194A true KR950704194A (ko) 1995-11-17
KR0164039B1 KR0164039B1 (ko) 1998-11-16

Family

ID=9451334

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950702168A KR0164039B1 (ko) 1993-09-29 1994-09-29 침강 실리카

Country Status (17)

Country Link
US (1) US5882617A (ko)
EP (1) EP0670814B1 (ko)
JP (1) JP3051450B2 (ko)
KR (1) KR0164039B1 (ko)
CN (1) CN1047150C (ko)
AT (1) ATE210075T1 (ko)
AU (1) AU686241B2 (ko)
BR (1) BR9405617A (ko)
CA (1) CA2150368C (ko)
DE (1) DE69429331T2 (ko)
DK (1) DK0670814T3 (ko)
ES (1) ES2185668T3 (ko)
FI (1) FI120582B (ko)
FR (1) FR2710630B1 (ko)
PT (1) PT670814E (ko)
RU (1) RU2087417C1 (ko)
WO (1) WO1995009128A1 (ko)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6001322A (en) * 1993-09-29 1999-12-14 Rhone-Poulenc Chimie Precipitated silicas
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
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
FR2732260B1 (fr) * 1995-04-03 1997-05-09 Rhone Poulenc Chimie Procede de projection de beton ou de mortier
FR2732327B1 (fr) * 1995-04-03 1997-05-09 Rhone Poulenc Chimie Suspension aqueuse de silice et de sulfate d'aluminium ou d'alun, procedes de preparation et utilisations de ladite suspension
GB2308588B (en) 1995-12-27 1999-06-02 Rhone Poulenc Chemicals Silica particulates
KR970065617A (ko) * 1996-03-28 1997-10-13 남일 노방특성이 우수한 고무조성물
CN1048956C (zh) * 1996-05-14 2000-02-02 汪承源 二次结晶超细白炭黑的制法
US5929156A (en) * 1997-05-02 1999-07-27 J.M. Huber Corporation Silica product for use in elastomers
US5891949A (en) * 1997-05-02 1999-04-06 J.M. Huber Corporation Natural rubber compound
FR2763581B1 (fr) 1997-05-26 1999-07-23 Rhodia Chimie Sa Silice precipitee utilisable comme charge renforcante pour elastomeres
US20010051176A1 (en) * 1997-08-06 2001-12-13 Jean-Francois Viot Composition comprising a liquid absorbed on a support based on precipitated silica
IL123841A0 (en) * 1998-03-26 1998-10-30 Rotem Amfert Negev Ltd Precipitated silica particulates with improved dispersability
US7153521B2 (en) * 1998-03-30 2006-12-26 Rhodia Chimie Composition comprising a liquid absorbed on a support based on precipitated silica
DE19840153A1 (de) * 1998-09-03 2000-04-20 Degussa Fällungskieselsäure
JP4536375B2 (ja) 2001-06-28 2010-09-01 ソシエテ ド テクノロジー ミシュラン 極めて低い比表面積のシリカで強化されたタイヤトレッド
CN1547601B (zh) * 2001-06-28 2012-09-05 米其林技术公司 采用具有低比表面积的二氧化硅增强的轮胎胎面
WO2003031511A1 (fr) * 2001-10-09 2003-04-17 The Yokohama Rubber Co., Ltd. Composition de caoutchouc
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
EP1495502A4 (en) * 2002-02-07 2006-12-13 Kvg Technologies Inc GELIFIED ELECTROLYTE LEAD BATTERY BATTERY, FORMED BY FILTRATION OF ABSORBENT SEPARATORS, ITS ELECTROLYTES, AND ITS ABSORBENT SEPARATORS
FR2843121B3 (fr) 2002-08-02 2004-09-10 Rhodia Chimie Sa Agent ignifugeant, procede de preparation et l'utilisation de cet agent
FR2849441B1 (fr) * 2002-12-30 2006-07-28 Rhodia Chimie Sa Procede de preparation d'une suspension de silice dans une matiere silicone eventuellement reticulable
FR2849444B1 (fr) * 2002-12-30 2006-07-28 Rhodia Chimie Sa Procede de preparation d'un suspension de silice dans une matiere silicone eventuellement reticulable
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
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
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
ES2606713T3 (es) * 2009-07-03 2017-03-27 Evonik Degussa Gmbh Sílice hidrófila como carga para formulaciones de caucho de silicona
FR2949455B1 (fr) * 2009-09-03 2011-09-16 Rhodia Operations Nouveau procede de preparation de silices precipitees
WO2012005013A1 (ja) * 2010-07-09 2012-01-12 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
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)
FR2985993B1 (fr) 2012-01-25 2014-11-28 Rhodia Operations Nouveau procede de preparation de silices precipitees
FR2988385B1 (fr) 2012-03-22 2014-05-09 Rhodia Operations Procede de preparation de silice precipitee comprenant une etape de concentration membranaire
FR2988383B1 (fr) 2012-03-22 2017-06-09 Rhodia Operations Procede de preparation de silice precipitee mettant en oeuvre un malaxeur ou une extrudeuse
FR2988384B1 (fr) 2012-03-22 2015-09-11 Rhodia Operations Procede de preparation de silice precipitee comprenant une etape de fort compactage
FR2988386B1 (fr) 2012-03-22 2014-05-09 Rhodia Operations Procede de preparation de silice precipitee comprenant une etape de delitage a chaud
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)
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)
JP5872125B1 (ja) * 2014-08-05 2016-03-01 住友ゴム工業株式会社 ゴム組成物およびタイヤ
BR112018000959A2 (pt) 2015-07-28 2018-09-18 Rhodia Operations processo para a recuperação de sulfato de sódio
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
CN109643807B (zh) 2016-08-30 2022-11-01 罗地亚经营管理公司 用于电池中的固-液电解质
US20200392312A1 (en) 2017-08-04 2020-12-17 Rhodia Operations Elastomer composition comprising precipitated silica and a sulfur-containing aromatic polymer
CN111542493A (zh) 2017-12-27 2020-08-14 罗地亚经营管理公司 二氧化硅悬浮液
US20200362138A1 (en) 2018-02-01 2020-11-19 Rhodia Operations Silica suspension in an organic solvent and method for its manufacture
EP3747068A1 (en) 2018-02-02 2020-12-09 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
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
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
US20240158615A1 (en) 2022-11-02 2024-05-16 The Goodyear Tire & Rubber Company Precipitated silica pretreated with a coupling agent and polyethylene glycol for a rubber composition
WO2024104971A1 (en) 2022-11-14 2024-05-23 Rhodia Operations Modified precipitated silica, its manufacture and use
US20240327624A1 (en) 2023-03-29 2024-10-03 The Goodyear Tire & Rubber Company Rubber composition incorporating a preformed natural rubber-carbon black composite material
US20240327626A1 (en) 2023-03-29 2024-10-03 The Goodyear Tire & Rubber Company Low rolling resistance coating composition
US20240326361A1 (en) 2023-03-29 2024-10-03 The Goodyear Tire & Rubber Company Sealant composition for self-sealing pneumatic tire

Family Cites Families (58)

* 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
US3699624A (en) * 1969-05-14 1972-10-24 Koppy Corp Stretch method for making a tubular product
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
DE2857146T1 (de) * 1977-11-01 1980-12-04 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
EP0249524B1 (fr) * 1986-06-06 1992-01-29 Rhone-Poulenc Chimie Granulés à base de silice, procédé de préparation et leur application comme charge renforçante dans les élastomères
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
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

Also Published As

Publication number Publication date
EP0670814B1 (fr) 2001-12-05
CA2150368A1 (fr) 1995-04-06
WO1995009128A1 (fr) 1995-04-06
AU686241B2 (en) 1998-02-05
CN1047150C (zh) 1999-12-08
FI952606A (fi) 1995-05-29
DE69429331T2 (de) 2002-10-31
FR2710630B1 (fr) 1995-12-29
RU2087417C1 (ru) 1997-08-20
ES2185668T3 (es) 2003-05-01
FI952606A0 (fi) 1995-05-29
ATE210075T1 (de) 2001-12-15
KR0164039B1 (ko) 1998-11-16
CA2150368C (fr) 2001-05-01
JP3051450B2 (ja) 2000-06-12
CN1114833A (zh) 1996-01-10
EP0670814A1 (fr) 1995-09-13
DK0670814T3 (da) 2002-06-17
FR2710630A1 (fr) 1995-04-07
JPH08501527A (ja) 1996-02-20
US5882617A (en) 1999-03-16
PT670814E (pt) 2002-05-31
AU7816494A (en) 1995-04-18
FI120582B (fi) 2009-12-15
DE69429331D1 (de) 2002-01-17
BR9405617A (pt) 1999-09-08

Similar Documents

Publication Publication Date Title
KR950704194A (ko) 침강 실리카(precipitated silica)
KR950704193A (ko) 침강 실리카(precipitated silica)
ATE244683T1 (de) Fällungskieselsäure verwendbar als verstärkender füllstoff in elastomeren
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
RU95112452A (ru) Осажденные оксиды кремния и способ их получения
KR960037569A (ko) 실리카 및 알루미늄 술페이트 또는 알룸의 수성 현탁액, 상기 현탁액의 제조 및 사용 방법
US5468558A (en) Process for preparing fracture-resistant sol/gel particles
KR970703276A (ko) 침강 실리카의 제조 방법, 알루미늄을 함유하는 침강 실리카 및 이의 엘라스토머 강화용 용도(novel method for preparing precipitated silica. novel aluminium-containing precipitated silicas. and use thereof for reinforcing elastomers)
TH35864B (th) ซิลิคาที่ตกตะกอนชนิดใหม่ กรรมวิธีสำหรับการเตรียมและการใช้สำหรับอีลาสโตเมอร์เสริมความแข็งแรง
TH19080A (th) ซิลิคาที่ตกตะกอนชนิดใหม่ กรรมวิธีสำหรับการเตรียมและการใช้สำหรับอีลาสโตเมอร์เสริมความแข็งแรง
MY115160A (en) Precipitated silica
TH26084B (th) กระบวนการแบบใหม่สำหรับการเตรียมตะกอนซิลิกา, ตะกอน ซิลิกาชนิดใหม่ซึ่งบรรจุด้วยอะลูมิเนียมและการใช้ของมัน สำหรับการเสริมความแข็งแรงของสารยืดหยุ่น
TH23316B (th) ซิลิกาที่ตกตะกอนที่สามารถใช้เป็นฟิลเลอร์เสริมโครงสร้างสำหรับอิลาสโตเมอร์
MY112578A (en) Precipitated silicas

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20120821

Year of fee payment: 15

FPAY Annual fee payment

Payment date: 20130820

Year of fee payment: 16

FPAY Annual fee payment

Payment date: 20140825

Year of fee payment: 17

EXPY Expiration of term