ZA200806991B - Method for the preparation of aqueous dispersions of TiO2 in the form of nanoparticles, and dispersions obtainable with this method - Google Patents

Method for the preparation of aqueous dispersions of TiO2 in the form of nanoparticles, and dispersions obtainable with this method

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Publication number
ZA200806991B
ZA200806991B ZA200806991A ZA200806991A ZA200806991B ZA 200806991 B ZA200806991 B ZA 200806991B ZA 200806991 A ZA200806991 A ZA 200806991A ZA 200806991 A ZA200806991 A ZA 200806991A ZA 200806991 B ZA200806991 B ZA 200806991B
Authority
ZA
South Africa
Prior art keywords
dispersions
preparation
tio2
nanoparticles
obtainable
Prior art date
Application number
ZA200806991A
Other languages
English (en)
Inventor
Baldi Giovanni
Bitossi Marco
Barzanti Andrea
Original Assignee
Colorobbia Italiana Spa
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 Colorobbia Italiana Spa filed Critical Colorobbia Italiana Spa
Publication of ZA200806991B publication Critical patent/ZA200806991B/xx

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39—Photocatalytic properties
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C03C17/23—Oxides
    • C03C17/245—Oxides by deposition from the vapour phase
    • C03C17/2456—Coating containing TiO2
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C03C17/23—Oxides
    • C03C17/25—Oxides by deposition from the liquid phase
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT 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
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3669—Treatment with low-molecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C01P2002/54—Solid solutions containing elements as dopants one element only
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
    • 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
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • 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
    • C01P2006/90—Other properties not specified above
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/212—TiO2
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C03C2217/71—Photocatalytic coatings

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Colloid Chemistry (AREA)
  • Cosmetics (AREA)
ZA200806991A 2006-02-01 2008-08-13 Method for the preparation of aqueous dispersions of TiO2 in the form of nanoparticles, and dispersions obtainable with this method ZA200806991B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000030A ITFI20060030A1 (it) 2006-02-01 2006-02-01 Processo per la preparazione di dispersioni acquose di ti02 in forma nanoparticelle e dispersioni ottenibili con questo processo

Publications (1)

Publication Number Publication Date
ZA200806991B true ZA200806991B (en) 2009-06-24

Family

ID=36337463

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200806991A ZA200806991B (en) 2006-02-01 2008-08-13 Method for the preparation of aqueous dispersions of TiO2 in the form of nanoparticles, and dispersions obtainable with this method

Country Status (19)

Country Link
US (1) US8431621B2 (xx)
EP (1) EP1996515B1 (xx)
JP (1) JP5281415B2 (xx)
KR (1) KR101353850B1 (xx)
CN (1) CN101378993B (xx)
AT (1) ATE490220T1 (xx)
AU (1) AU2007211536B2 (xx)
BR (1) BRPI0707256B1 (xx)
CA (1) CA2640938C (xx)
DE (1) DE602007010908D1 (xx)
DK (1) DK1996515T3 (xx)
ES (1) ES2357369T3 (xx)
IT (1) ITFI20060030A1 (xx)
NZ (1) NZ570356A (xx)
PL (1) PL1996515T3 (xx)
PT (1) PT1996515E (xx)
RU (1) RU2431604C2 (xx)
WO (1) WO2007088151A1 (xx)
ZA (1) ZA200806991B (xx)

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ITFI20060034A1 (it) 2006-02-03 2007-08-04 Colorobbia Italiana Spa Processo per la funzionalizzazione di superfici metalliche in titanio con particelle di titanio nanometriche e prodotti cosi' funzionalizzati
KR100921381B1 (ko) 2008-02-19 2009-10-14 성균관대학교산학협력단 비표면적이 증가된 신규한 이산화티탄 촉매 및 이의제조방법
US20110220855A1 (en) * 2010-03-12 2011-09-15 Weir John D Self-Cleaning Coating for Protection Against Hazardous Biopathogens and Toxic Chemical Agents Utilizing Both Super Hydrophobic Effects and Suitable Oxide Interfaces
CN101844805A (zh) * 2010-06-08 2010-09-29 上海工程技术大学 一种制备水性高分散纳米二氧化钛的方法
SI23501A (sl) 2010-10-25 2012-04-30 CINKARNA Metalurško kemiÄŤna industrija Celje, d.d. Postopek za pridobivanje nanodelcev anatasa visoke specifične površine in sferične morfologije
ITFI20110038A1 (it) 2011-03-03 2012-09-04 Colorobbia Italiana Spa Cerameri, loro applicazione ed uso.
KR101341250B1 (ko) * 2011-11-28 2013-12-12 박홍욱 연소 및 광촉매성 세라믹 코팅제 조성물 및 이를 이용한 유해가스 저감 코팅제품
RU2477257C1 (ru) * 2011-12-26 2013-03-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет" (СПбГУ) Композиция на основе нанокристаллического диоксида титана, способ ее изготовления и способ применения композиции для получения фотокаталитического покрытия на стекле
WO2013141789A1 (en) * 2012-03-20 2013-09-26 Välinge Photocatalytic Ab Photocatalytic compositions comprising titanium dioxide and anti-photogreying additives
KR101397346B1 (ko) * 2012-06-15 2014-05-22 경희대학교 산학협력단 자외선 차단 및 피부노폐물 흡수 성능을 갖는 화장품용 다기능성 복합체 제조방법
CN103301856B (zh) * 2013-05-23 2014-10-29 河北科技大学 纳米贵金属/半导体复合光催化剂在有机物卤化反应中的应用
CN103934017A (zh) * 2014-04-22 2014-07-23 苏州聚康新材料科技有限公司 一种具有高效光催化活性的微乳液的制备方法
CN104190279A (zh) * 2014-08-27 2014-12-10 华南师范大学 一种纳米二氧化钛分散液的制备方法
CN106219664A (zh) * 2016-08-10 2016-12-14 佛山科学技术学院 涤/棉一浴法染色的棉基光催化处理染色废水的方法
US11819580B2 (en) 2016-10-18 2023-11-21 PurWorld Technologies LLC Method of chemically disinfecting a vehicle
IT201700112570A1 (it) * 2017-10-06 2019-04-06 Andrea Ferruccio Zoppolato Apparato automatico per la distribuzione di prodotti
AU2019263099A1 (en) * 2018-05-02 2020-11-26 Colorobbia Consulting S.R.L. Nitrogen-doped TiO2 nanoparticles and the use thereof in photocatalysis
WO2021053379A1 (en) * 2019-09-20 2021-03-25 Reair S.R.L. Sanitization composition and method for sanitization- purification of surfaces and environments
IT201900020122A1 (it) 2019-10-31 2021-05-01 Colorobbia Consulting S R L Supporto polimerico nanofunzionalizzato con nanoparticelle fotocatalitiche a base di TiO2 e il suo uso nella fotocatalisi
IT202000017995A1 (it) 2020-07-24 2022-01-24 Colorobbia Consulting S R L Nanoparticelle, substrato nanofunzionalizzato e dispositivo con attività fotocatalitica antivirale
IT202000018007A1 (it) 2020-07-24 2022-01-24 Colorobbia Consulting S R L Nanoparticelle, substrato nanofunzionalizzato e dispositivo con attività fotocatalitica antifungina
IT202000018004A1 (it) 2020-07-24 2022-01-24 Colorobbia Consulting S R L Nanoparticelle, substrato nanofunzionalizzato e dispositivo con attività fotocatalitica antibatterica
CN114316723B (zh) * 2022-01-29 2022-12-20 重庆交通大学 光催化成膜组合物及其制备方法和用途

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ITFI20040252A1 (it) * 2004-12-06 2005-03-06 Colorobbia Italiana Spa Processo per la preparazione di dispersioni di ti02 in forma di nanoparticelle, e dispersioni ottenibili con questo processo

Also Published As

Publication number Publication date
JP2009525246A (ja) 2009-07-09
EP1996515A1 (en) 2008-12-03
ATE490220T1 (de) 2010-12-15
PT1996515E (pt) 2011-03-09
PL1996515T3 (pl) 2011-05-31
JP5281415B2 (ja) 2013-09-04
BRPI0707256B1 (pt) 2018-06-19
US20080317959A1 (en) 2008-12-25
CA2640938C (en) 2014-10-28
ES2357369T3 (es) 2011-04-25
CN101378993B (zh) 2012-11-07
CN101378993A (zh) 2009-03-04
KR20080094675A (ko) 2008-10-23
DE602007010908D1 (de) 2011-01-13
BRPI0707256A2 (pt) 2011-04-26
EP1996515B1 (en) 2010-12-01
RU2008135345A (ru) 2010-03-10
NZ570356A (en) 2010-09-30
RU2431604C2 (ru) 2011-10-20
AU2007211536B2 (en) 2012-10-04
DK1996515T3 (da) 2011-03-14
US8431621B2 (en) 2013-04-30
KR101353850B1 (ko) 2014-01-20
AU2007211536A1 (en) 2007-08-09
WO2007088151A1 (en) 2007-08-09
BRPI0707256A8 (pt) 2018-01-09
ITFI20060030A1 (it) 2007-08-02
CA2640938A1 (en) 2007-08-09

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