BRPI0911068A2 - ácidos silícicos precipitados como carga reforçadora para misturas de elastômeros - Google Patents

ácidos silícicos precipitados como carga reforçadora para misturas de elastômeros

Info

Publication number
BRPI0911068A2
BRPI0911068A2 BRPI0911068A BRPI0911068A BRPI0911068A2 BR PI0911068 A2 BRPI0911068 A2 BR PI0911068A2 BR PI0911068 A BRPI0911068 A BR PI0911068A BR PI0911068 A BRPI0911068 A BR PI0911068A BR PI0911068 A2 BRPI0911068 A2 BR PI0911068A2
Authority
BR
Brazil
Prior art keywords
elastomers
mixtures
reinforcing filler
silicic acids
precipitated silicic
Prior art date
Application number
BRPI0911068A
Other languages
English (en)
Inventor
Andre Wehmeier
Anke Blume
Christian Götz
Marinus Haddeman
Oleg Stenzel
Werner Niedermeier
Original Assignee
Evonik Degussa Gmbh
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 Evonik Degussa Gmbh filed Critical Evonik Degussa Gmbh
Publication of BRPI0911068A2 publication Critical patent/BRPI0911068A2/pt
Publication of BRPI0911068B1 publication Critical patent/BRPI0911068B1/pt

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
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28Compounds of silicon
    • C09C1/30Silicic acid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • 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
    • C08K5/00Use of organic ingredients
    • C08K5/54Silicon-containing compounds
    • C08K5/548Silicon-containing compounds containing sulfur
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00Compositions of unspecified rubbers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28Compounds of silicon
    • C09C1/30Silicic acid
    • C09C1/3081Treatment with organo-silicon compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/50Solid solutions
    • C01P2002/52Solid solutions containing elements as dopants
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/51Particles with a specific particle size distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/51Particles with a specific particle size distribution
    • C01P2004/52Particles with a specific particle size distribution highly monodisperse size distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/54Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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
    • C01P2004/64Nanometer sized, i.e. from 1-100 nanometer
    • 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
    • C01P2006/19Oil-absorption capacity, e.g. DBP values
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Silicon Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
BRPI0911068-2A 2008-04-07 2009-03-19 Sílicas precipitadas, e processos para sua preparação BRPI0911068B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008017747.4 2008-04-07
DE102008017747A DE102008017747A1 (de) 2008-04-07 2008-04-07 Gefällte Kieselsäuren als Verstärkerfüllstoff für Elastomermischungen
PCT/EP2009/053243 WO2009124829A1 (de) 2008-04-07 2009-03-19 Gefällte kieselsäuren als verstärkerfüllstoff für elastomermischungen

Publications (2)

Publication Number Publication Date
BRPI0911068A2 true BRPI0911068A2 (pt) 2015-12-29
BRPI0911068B1 BRPI0911068B1 (pt) 2019-04-30

Family

ID=40792861

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0911068-2A BRPI0911068B1 (pt) 2008-04-07 2009-03-19 Sílicas precipitadas, e processos para sua preparação

Country Status (14)

Country Link
US (1) US8658816B2 (pt)
EP (1) EP2262730B1 (pt)
JP (1) JP5502851B2 (pt)
KR (1) KR101567617B1 (pt)
CN (2) CN101990519A (pt)
BR (1) BRPI0911068B1 (pt)
DE (1) DE102008017747A1 (pt)
ES (1) ES2476894T3 (pt)
MX (1) MX2010010931A (pt)
PL (1) PL2262730T3 (pt)
PT (1) PT2262730E (pt)
RU (1) RU2544697C2 (pt)
TW (1) TWI399339B (pt)
WO (1) WO2009124829A1 (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5039346B2 (ja) * 2006-09-12 2012-10-03 株式会社フジミインコーポレーテッド 溶射用粉末及び溶射皮膜
DE102008017731A1 (de) * 2008-04-07 2009-10-08 Continental Aktiengesellschaft Kautschukmischung
US8114935B2 (en) 2009-05-04 2012-02-14 Ppg Industries Ohio, Inc. Microporous precipitated silica
WO2011144346A1 (en) * 2010-05-21 2011-11-24 Grace Gmbh & Co. Kg Porous inorganic oxide particles and methods of making and using the same
KR101452656B1 (ko) * 2010-07-09 2014-10-22 가부시키가이샤 브리지스톤 고무 조성물 및 이를 이용한 공기 타이어
CN102225948A (zh) * 2011-05-05 2011-10-26 厦门大学 硅三硫醇及其制备方法
FR2988384B1 (fr) * 2012-03-22 2015-09-11 Rhodia Operations Procede de preparation de silice precipitee comprenant une etape de fort compactage
CN103073762B (zh) * 2012-12-31 2015-10-28 特拓(青岛)轮胎技术有限公司 一种用于路航系列乘用车轮胎胎面的橡胶组合物技术
KR101507825B1 (ko) * 2013-10-31 2015-04-07 한국타이어 주식회사 타이어용 고무 조성물 및 이를 이용하여 제조한 타이어
DE102014200563A1 (de) 2014-01-15 2015-07-16 Evonik Industries Ag Oligomere Organosilane, deren Herstellung und Verwendung in Kautschukmischungen
CN106029569B (zh) * 2014-02-28 2018-11-20 罗地亚经营管理公司 制备沉淀二氧化硅的方法、沉淀二氧化硅及其用途,特别是用于增强聚合物
CA2892342C (en) 2014-05-22 2016-11-01 Sylvain-Paul Morency Tool and method for layer depalletizing
WO2017109742A1 (en) * 2015-12-23 2017-06-29 Tata Chemicals Limited Precipitated silica
WO2017109743A1 (en) * 2015-12-23 2017-06-29 Tata Chemicals Limited Precipitated silica
FR3058148A1 (fr) * 2016-10-31 2018-05-04 Compagnie Generale Des Etablissements Michelin Composition de caoutchouc comprenant une charge renforcante specifique
WO2018202756A1 (en) 2017-05-05 2018-11-08 Rhodia Operations Precipitated silica and process for its manufacture
EP3619164B1 (en) 2017-05-05 2024-11-27 Rhodia Operations Precipitated silica and process for its manufacture
JP6781106B2 (ja) * 2017-06-09 2020-11-04 東ソー・シリカ株式会社 ゴム補強充填用含水ケイ酸及びその製造方法
WO2019241498A1 (en) 2018-06-15 2019-12-19 W. R. Grace & Co.-Conn Defoamer active, manufacturing method thereof, and defoaming formuation
CN109968554B (zh) * 2019-03-21 2021-01-15 青岛科技大学 一种GR-SiO2/CI材料制备方法及雾化成胶装置
DE102020208510A1 (de) * 2020-07-07 2022-01-13 Evonik Operations Gmbh Modifizierte Kieselsäuren, Verfahren zur deren Herstellung und deren Verwendung
EP3954743A1 (de) 2020-08-12 2022-02-16 Evonik Operations GmbH Verwendung von siliziumdioxid zur verbesserung der leitfähigkeit von beschichtungen

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094771A (en) 1976-01-13 1978-06-13 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler Process for preparation of a sprayable precipitated silicic acid suspension
DE3437473A1 (de) 1984-10-12 1986-04-17 Degussa Ag, 6000 Frankfurt An der oberflaeche modifizierte synthetische, silikatische fuellstoffe, ein verfahren zur herstellung und deren verwendung
DE4004781A1 (de) 1990-02-16 1991-08-22 Degussa Verfahren zur herstellung von mit organosiliciumverbindungen modifizierten fuellstoffen, die so hergestellten fuellstoffe und deren verwendung
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.
JP3410522B2 (ja) * 1993-09-09 2003-05-26 水澤化学工業株式会社 粒状非晶質シリカの製造方法
EP0670813B1 (fr) 1993-09-29 2003-03-12 Rhodia Chimie Silice precipitee
DE4427137B4 (de) * 1993-10-07 2007-08-23 Degussa Gmbh Fällungskieselsäure
JP3719687B2 (ja) * 1995-07-21 2005-11-24 東ソー・シリカ株式会社 シリカゲルの製造方法
DE19609619A1 (de) 1996-03-12 1997-09-18 Degussa Staubarme, gut dispergierbare Granulate auf der Basis von mit Organosiliciumverbindungen modifizierten silikatischen Füllstoffen
FR2763581B1 (fr) * 1997-05-26 1999-07-23 Rhodia Chimie Sa Silice precipitee utilisable comme charge renforcante pour elastomeres
ATE239737T1 (de) 1997-08-21 2003-05-15 Crompton Corp Blockierte merkaptosilane als kupplungsmittel für gefüllte kautschukzusammensetzung
DE19740440A1 (de) * 1997-09-15 1999-03-18 Degussa Leicht dispergierbare Fällungskieselsäure
DE19807700A1 (de) 1998-02-24 1999-08-26 Degussa Fällungskieselsäuregranulate
US5956175A (en) 1998-07-31 1999-09-21 Msc Specialty Films Inc Solar control window film
DE10137109A1 (de) 2001-07-30 2003-02-27 Infineon Technologies Ag Siliziumhaltiger Resist für die Fotolithografie
PT1419106T (pt) * 2001-08-13 2016-12-27 Rhodia Chimie Sa Processo de preparação de sílicas, sílicas com distribuição granulométrica e/ou repartição porosa específicas e suas utilizações, em particular no reforço de polímeros
DE10146325A1 (de) 2001-09-20 2003-04-10 Degussa Fällungskieselsäure mit hohem BET/CTAB-Verhältnis
DE10163945C1 (de) 2001-09-26 2003-05-08 Degussa Geblockte Mercaptosilane, ein Verfahren zu ihrer Herstellung sowie ihre Verwendung
DE10223658A1 (de) 2002-05-28 2003-12-18 Degussa Organosiliciumverbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10330118A1 (de) 2002-08-03 2004-02-12 Degussa Ag Fällungskieselsäure mit hoher Oberfläche
DE102005043201A1 (de) 2005-09-09 2007-03-15 Degussa Ag Fällungskieselsäuren mit einer besonderen Porengrößenverteilung

Also Published As

Publication number Publication date
BRPI0911068B1 (pt) 2019-04-30
RU2010145015A (ru) 2013-06-20
PT2262730E (pt) 2014-07-11
TW201006763A (en) 2010-02-16
TWI399339B (zh) 2013-06-21
US8658816B2 (en) 2014-02-25
EP2262730B1 (de) 2014-04-30
JP2011516386A (ja) 2011-05-26
KR20110009132A (ko) 2011-01-27
US20110021801A1 (en) 2011-01-27
KR101567617B1 (ko) 2015-11-09
CN101990519A (zh) 2011-03-23
RU2544697C2 (ru) 2015-03-20
DE102008017747A1 (de) 2009-10-08
JP5502851B2 (ja) 2014-05-28
PL2262730T3 (pl) 2014-09-30
EP2262730A1 (de) 2010-12-22
WO2009124829A1 (de) 2009-10-15
ES2476894T3 (es) 2014-07-15
CN105836751A (zh) 2016-08-10
MX2010010931A (es) 2010-11-12

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
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Free format text: O DEPOSITANTE DEVE RESPONDER A EXIGENCIA FORMULADA NESTE PARECER EM ATE 60 (SESSENTA) DIAS, A PARTIR DA DATA DE PUBLICACAO NA RPI, SOB PENA DO ARQUIVAMENTO DO PEDIDO, DE ACORDO COM O ARTIGO 34, INCISO II, DA LPI, POR MEIO DO SERVICO DE CODIGO 206.PUBLIQUE-SE A EXIGENCIA (6.20).

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09X Decision of grant: republication

Free format text: O PRESENTE PEDIDO TEVE UM PARECER DE DEFERIMENTO NOTIFICADO NA RPI NO 2510 DE12/02/2019, TENDO SIDO CONSTATADO QUE ESTA NOTIFICACAO FOI EFETUADA COM INCORRECOES EM RELACAOAO TITULO NO ?RELATORIO DE EXAME TECNICO?, SENDO O CORRETO: ?SILICAS PRECIPITADAS, E PROCESSOSPARA SUA PREPARACAO? E, EM RELACAO A DATA DA PETICAO 870180138616 PRESENTE NO QUADRO 1,SENDO A DATA CORRETA: 08/10/2018.

B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 30/04/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 30/04/2019, OBSERVADAS AS CONDICOES LEGAIS

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Owner name: EVONIK OPERATIONS GMBH (DE)