BR9611972A - Pigmentos inorgânicos tratados com silanos. - Google Patents

Pigmentos inorgânicos tratados com silanos.

Info

Publication number
BR9611972A
BR9611972A BR9611972-1A BR9611972A BR9611972A BR 9611972 A BR9611972 A BR 9611972A BR 9611972 A BR9611972 A BR 9611972A BR 9611972 A BR9611972 A BR 9611972A
Authority
BR
Brazil
Prior art keywords
inorganic oxide
inorganic
organosilanes
particles
silanes
Prior art date
Application number
BR9611972-1A
Other languages
English (en)
Inventor
Robert J Kostelnik
Original Assignee
Millennium Inorganic Chem
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 Millennium Inorganic Chem filed Critical Millennium Inorganic Chem
Publication of BR9611972A publication Critical patent/BR9611972A/pt

Links

Classifications

    • 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
    • C09C1/36Compounds of titanium
    • C09C1/3607Titanium dioxide
    • C09C1/3684Treatment with organo-silicon compounds
    • 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
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/12Treatment with organosilicon compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/80Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/89Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by mass-spectroscopy
    • 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/80Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/90Other properties not specified above
    • 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.]
    • Y10T428/2991Coated
    • Y10T428/2993Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
    • Y10T428/2995Silane, siloxane or silicone coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Paints Or Removers (AREA)

Abstract

'PIGMENTOS INORGâNICOS TRATADOS COM SILANOS'' A presente invenção provê um processo para a produção de produtos de óxidos inorgânicos hidrofóbicos, que compreende reagir as partículas do óxido inorgânico com organo-halossilanos, preferivelmente organoclorossilanos, para produzir óxidos inorgânicos hidrofóbicos revestidos com organossilanos. Prefere-se que os compostos organohalossilânicos sejam reagidos com as partículas do óxido inorgânico em uma lama aquosa e submetidos a mistura sob agitação intensa. Os pigmentos de óxidos inorgânicos preparados pelo processo desta invenção possuem retenção essencialmente quantitativa dos organossilanos e não contêm quaisquer aldeídos adsorvidos na sua superfície. Os subprodutos produzidos nas modalidades preferidas da invenção são sais inócuos que são ambientalmente seguros e prontamente descartáveis.
BR9611972-1A 1995-12-01 1996-11-27 Pigmentos inorgânicos tratados com silanos. BR9611972A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/565,852 US5653794A (en) 1995-12-01 1995-12-01 Silane treated inorganic pigments
PCT/US1996/018941 WO1997020001A1 (en) 1995-12-01 1996-11-27 Silane treated inorganic pigments

Publications (1)

Publication Number Publication Date
BR9611972A true BR9611972A (pt) 1999-12-28

Family

ID=24260374

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9611972-1A BR9611972A (pt) 1995-12-01 1996-11-27 Pigmentos inorgânicos tratados com silanos.

Country Status (15)

Country Link
US (2) US5653794A (pt)
EP (1) EP0873377B1 (pt)
JP (1) JP2000502121A (pt)
KR (1) KR19990071829A (pt)
CN (1) CN1106432C (pt)
AU (1) AU713119B2 (pt)
BR (1) BR9611972A (pt)
CA (1) CA2243434A1 (pt)
DE (1) DE69633296T2 (pt)
ES (1) ES2227618T3 (pt)
IL (1) IL124508A0 (pt)
NO (1) NO982476L (pt)
NZ (1) NZ323805A (pt)
WO (1) WO1997020001A1 (pt)
ZA (1) ZA9610014B (pt)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5607994A (en) * 1994-02-28 1997-03-04 E. I. Du Pont De Nemours And Company Processibility and lacing resistance when silanized pigments are incorporated in polymers
US5653794A (en) * 1995-12-01 1997-08-05 Scm Chemicals, Inc. Silane treated inorganic pigments
DE19609619A1 (de) * 1996-03-12 1997-09-18 Degussa Staubarme, gut dispergierbare Granulate auf der Basis von mit Organosiliciumverbindungen modifizierten silikatischen Füllstoffen
EP0908494A3 (en) * 1997-10-08 1999-11-10 E.I. Dupont De Nemours And Company Uniformly coated particulate metal oxide
JPH11349872A (ja) * 1998-06-05 1999-12-21 Sharp Corp 改質インク粒子およびその製造方法、カラーフィルタおよびその製造方法、カラー表示装置、並びに、改質インク粒子の製造装置
BR0015535A (pt) 1999-11-12 2002-06-25 Millennium Inorganic Chem Processos para preparação de pigmentos óxido inorgânico hidrofóbico
DE19955850A1 (de) * 1999-11-20 2001-06-07 Degussa Granulatförmige Organosilan-Präparation, Verfahren zu ihrer Herstellung und ihre Verwendung
CN1262589C (zh) * 2000-11-21 2006-07-05 泰科电子有限公司 激光标记使用的颜料和组合物
AU785282B2 (en) 2001-06-20 2006-12-21 Rohm And Haas Company Coating with improved hiding, compositions prepared therewith, and processes for the preparation thereof
US8822569B2 (en) 2001-06-20 2014-09-02 Rohm And Haas Company Composite particles
US7141618B2 (en) * 2002-06-03 2006-11-28 Ppg Industries Ohio, Inc. Coating compositions with modified particles and methods of using the same
US6790904B2 (en) * 2002-06-03 2004-09-14 Ppg Industries Ohio, Inc. Liquid coating of film-forming resin and particles chemically modified to lower surface tension
US6972301B2 (en) * 2002-06-06 2005-12-06 Sasol North America Inc. Process for producing organically modified metal oxides and products thereof
EP1619222B1 (en) * 2003-04-28 2011-03-02 Toyo Aluminium Kabushiki Kaisha Aluminum pigment, process for production thereof and resin composition
US7387795B2 (en) 2003-06-05 2008-06-17 Jane Hollenberg Cosmetic compositions organophosphonic acid coated particulates and methods for producing the same
CN101006009B (zh) * 2004-06-15 2012-02-29 格雷斯公司 二氧化硅的化学辅助研磨
US20060087763A1 (en) * 2004-06-17 2006-04-27 Creative Technology Ltd. Case
US20050282962A1 (en) * 2004-06-17 2005-12-22 A. Schulman, Inc. Pigmentation of ionomers
WO2006001330A1 (ja) * 2004-06-24 2006-01-05 Ishihara Sangyo Kaisha, Ltd 二酸化チタン顔料及びその製造方法並びにそれを含む樹脂組成物
WO2006045086A2 (en) * 2004-10-20 2006-04-27 E.I. Dupont De Nemours And Company Additive package for thermoplastic condensation polymers
US7806977B2 (en) * 2004-10-29 2010-10-05 Millennium Inorganic Chemicals, Inc. Compositions and methods comprising titanium dioxide pigments and coupling agents
DE102004056330A1 (de) * 2004-11-22 2006-06-01 Eckart Gmbh & Co.Kg Trockentoner, Verfahren zu dessen Herstellung und Verwendung desselben
AU2006204734B2 (en) * 2005-01-14 2010-11-18 E.I. Dupont De Nemours And Company Antistatic agent for polymers
GB2465914B (en) * 2005-05-02 2010-08-25 Trican Well Service Ltd Method for making transportable aqueous slurries by particulate hydrophobicization
US9714371B2 (en) 2005-05-02 2017-07-25 Trican Well Service Ltd. Method for making particulate slurries and particulate slurry compositions
US7601780B2 (en) * 2005-07-18 2009-10-13 E.I. Du Pont De Nemours And Company Increased bulk density of fatty acid-treated silanized powders and polymers containing the powders
TW200737520A (en) * 2006-03-17 2007-10-01 Univ Nat Chiao Tung Gate dielectric structure and an organic thin film transistor based thereon
US20080053336A1 (en) * 2006-09-06 2008-03-06 Tronox Llc Aqueous coating compositions with improved tint strength and gloss properties, comprising pigments surface-treated with certain organosilicon compounds
US7250080B1 (en) 2006-09-06 2007-07-31 Tronox Llc Process for the manufacture of organosilicon compound-treated pigments
WO2008030311A2 (en) * 2006-09-06 2008-03-13 Tronox Llc Improved process for the manufacture of organosilicon compound-treated pigment, and coating compositions employing the same
CA2848264C (en) 2007-04-26 2015-11-10 Trican Well Service Ltd. Control of particulate entrainment by fluids
NZ585945A (en) 2007-11-09 2011-03-31 Pacific Polymers Pty Ltd Hydrophobic modification of mineral fillers and mixed polymer systems
US20090136741A1 (en) * 2007-11-28 2009-05-28 Toyota Motor Engineering & Manufacturing North America, Inc. Nanoscopically modified superhydrophobic coating
KR20120116930A (ko) * 2009-12-03 2012-10-23 바스프 에스이 양의 제타 전위를 지닌 부식 방지 안료
US9376655B2 (en) 2011-09-29 2016-06-28 Life Technologies Corporation Filter systems for separating microcarriers from cell culture solutions
US9643133B2 (en) 2011-09-30 2017-05-09 Life Technologies Corporation Container with film sparger
US9139737B1 (en) 2011-11-21 2015-09-22 Nanophase Technologies Corporation Multifunctional coated powders and high solids dispersions
US8663518B2 (en) * 2011-12-27 2014-03-04 Tronox Llc Methods of producing a titanium dioxide pigment and improving the processability of titanium dioxide pigment particles
WO2014186510A1 (en) 2013-05-15 2014-11-20 Reedy International Corporation Colorized micron sized free flowing fillers
US9932514B2 (en) 2014-04-25 2018-04-03 Trican Well Service Ltd. Compositions and methods for making aqueous slurry
CN104151871B (zh) * 2014-07-10 2015-11-18 池州市英派科技有限公司 一种表面多孔改性纳米二氧化钛及其制备方法
CA2856942A1 (en) 2014-07-16 2016-01-16 Trican Well Service Ltd. Aqueous slurry for particulates transportation
CA2880646A1 (en) 2015-01-30 2016-07-30 Trican Well Service Ltd. Composition and method of using polymerizable natural oils to treat proppants
GB201509080D0 (en) 2015-05-27 2015-07-08 Landa Labs 2012 Ltd Coating apparatus
MX2016009338A (es) 2015-07-23 2017-02-02 Dow Global Technologies Llc Dispersion acuosa de particulas de pigmento modificadas de forma hidrofoba.
CA2995196C (en) 2015-07-27 2021-11-23 Nanophase Technologies Corporation Multifunctional coated powders and high solids dispersions
CN106349750B (zh) * 2016-08-24 2017-08-22 浙江理工大学 一种用于蓝光固化数码印花的反应型有机颜料复合粒子及其制备方法
US10589197B2 (en) 2016-12-01 2020-03-17 Life Technologies Corporation Microcarrier filter bag assemblies and methods of use
CN106810912A (zh) * 2017-01-12 2017-06-09 云南冶金新立钛业有限公司 制备钛白粉的方法
US10555892B1 (en) 2017-03-09 2020-02-11 Nanophase Technologies Corporation Functionalized siloxane or polysiloxane coated particles with enhanced light filtering properties
EP3385337A1 (en) * 2017-04-05 2018-10-10 Huntsman P&A Uerdingen GmbH Pigment treated with at least one non-reactive polysiloxane for use in thermoplastics
US10590278B2 (en) 2017-04-10 2020-03-17 Nanophase Technologies Corporation Coated powders having high photostability
AU2018274907A1 (en) * 2017-12-19 2019-07-04 Dow Global Technologies Llc Hydrophobic pigment modification
AU2019202080B2 (en) * 2018-04-05 2023-11-09 Rohm And Haas Company Hydrophobic pigment modification
KR102334504B1 (ko) 2019-10-29 2021-12-03 코스맥스 주식회사 친유 및 친수의 양쪽성을 갖는 유-무기 하이브리드 피복 색소 분체의 제조방법
US11672744B2 (en) 2020-07-02 2023-06-13 Nanophase Technologies Corporation Zinc oxide particles, photostable UV filters, and methods of use thereof

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB594802A (en) * 1944-05-06 1947-11-19 British Thomson Houston Co Ltd Improvements in and relating to titanium dioxide dielectric materials
GB785393A (en) * 1955-09-14 1957-10-30 Union Carbide Corp Pigmented styrene polymers
BE557402A (pt) * 1956-05-16
US3025179A (en) * 1957-03-28 1962-03-13 Thann Fab Prod Chem Organophilic and hydrophobic pigments and method for their preparation
GB1154835A (en) * 1966-03-04 1969-06-11 Midland Silicones Ltd Process for the Treatment of Finely-Divided Materials
GB1204323A (en) * 1966-11-21 1970-09-03 Ici Ltd Polyolefines
US4022152A (en) * 1969-03-29 1977-05-10 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler Apparatus for making particulate materials, particularly oxides, hydrophobic
US3545994A (en) * 1969-11-07 1970-12-08 Ppg Industries Inc Process for coating pigmentary metal oxides
US3834924A (en) * 1972-06-08 1974-09-10 Huber Corp J M Process for manufacturing surface modified inorganic pigments
US3915735A (en) * 1974-03-06 1975-10-28 Malvern Minerals Company Process for preparing modified silicic fillers
DE2435860B2 (de) 1974-07-25 1977-10-20 Deutsche Gold- U. Silber-Scheideanstalt, Vorm. Roessler, 6000 Frankfurt Verfahren zur herstellung von feinteiligen hydrophoben kieselsaeuren oder silicaten
US4141751A (en) * 1975-10-24 1979-02-27 Malvern Minerals Company Process for preparing modified particulate and/or fibrous, crystalline and amorphous inorganic substances
US4151154A (en) * 1976-09-29 1979-04-24 Union Carbide Corporation Silicon treated surfaces
US4061503A (en) * 1976-09-29 1977-12-06 Union Carbide Corporation Silane treatment of titanium dioxide pigment
US4209430A (en) * 1978-11-24 1980-06-24 Scm Corporation Treatment of inorganic pigments
DE2924850A1 (de) * 1979-06-20 1981-01-22 Bayer Ag Anorganische pigmente mit verbesserter glanzgebung und guter zerteilbarkeit in lackbindemitteln
DE2946549A1 (de) * 1979-11-17 1981-05-27 Bayer Ag, 5090 Leverkusen Neuartige tio(pfeil abwaerts)2(pfeil abwaerts) -pigmente mit guter dispergierbarkeit, verfahren zu ihrer herstellung un verwendung
US4375989A (en) * 1981-07-16 1983-03-08 Kemira Oy Coated titanium dioxide pigment and a process for the production of the same
US4989794A (en) * 1986-07-16 1991-02-05 Alcan International Limited Method of producing fine particles
DE3628320A1 (de) * 1986-08-21 1988-02-25 Bayer Ag Hydrophobe pigmente und fuellstoffe fuer die einarbeitung in kunststoffe
CH676118A5 (pt) * 1988-02-16 1990-12-14 Sicpa Holding Sa
DE4041663A1 (de) * 1990-12-22 1992-06-25 Merck Patent Gmbh Silanisierte pigmente und deren verwendung zu vergilbungsinhibierung von pigmentierten kunststoffen
US5458681A (en) * 1991-06-26 1995-10-17 Miyoshi Kasei Co., Ltd. Organosilicon-treated pigment, process for production thereof, and cosmetic made therewith
DE59400199D1 (de) * 1993-02-09 1996-05-23 Ciba Geigy Ag Mit Silanen beschichtete organische Pigmente
US5607994A (en) * 1994-02-28 1997-03-04 E. I. Du Pont De Nemours And Company Processibility and lacing resistance when silanized pigments are incorporated in polymers
US5562990A (en) * 1994-02-28 1996-10-08 E. I. Du Pont De Nemours And Company Organosilicon treatment of TiO2 pigment bearing a coating with fluoride ions
US5501732A (en) * 1994-02-28 1996-03-26 E. I. Du Pont De Nemours And Company Process for preparing silanized TiO2 pigments using a media mill
DE4419574A1 (de) * 1994-06-03 1995-12-07 Bayer Ag Neue Mischungen, ein Verfahren zu ihrer Herstellung und ihre Verwendung für Beschichtungen
US5653794A (en) * 1995-12-01 1997-08-05 Scm Chemicals, Inc. Silane treated inorganic pigments

Also Published As

Publication number Publication date
AU1083797A (en) 1997-06-19
NO982476D0 (no) 1998-05-29
AU713119B2 (en) 1999-11-25
JP2000502121A (ja) 2000-02-22
NZ323805A (en) 1999-11-29
WO1997020001A1 (en) 1997-06-05
CA2243434A1 (en) 1997-06-05
DE69633296T2 (de) 2005-08-11
KR19990071829A (ko) 1999-09-27
CN1203616A (zh) 1998-12-30
EP0873377A4 (en) 2000-05-31
EP0873377A1 (en) 1998-10-28
ZA9610014B (en) 1997-06-20
NO982476L (no) 1998-06-02
ES2227618T3 (es) 2005-04-01
IL124508A0 (en) 1998-12-06
DE69633296D1 (de) 2004-10-07
US6214106B1 (en) 2001-04-10
US5653794A (en) 1997-08-05
CN1106432C (zh) 2003-04-23
EP0873377B1 (en) 2004-09-01

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B09B Patent application refused [chapter 9.2 patent gazette]

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