KR870005685A - 단분산 금속산화물의 제조방법 - Google Patents

단분산 금속산화물의 제조방법 Download PDF

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Publication number
KR870005685A
KR870005685A KR860009648A KR860009648A KR870005685A KR 870005685 A KR870005685 A KR 870005685A KR 860009648 A KR860009648 A KR 860009648A KR 860009648 A KR860009648 A KR 860009648A KR 870005685 A KR870005685 A KR 870005685A
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South Korea
Prior art keywords
metal oxide
manufacturing
solvent
monodisperse
sol
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KR860009648A
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English (en)
Inventor
앨버트 이아코브시 펄
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로버트 씨. 술리반
스타우퍼 케미칼 캄파니
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Publication of KR870005685A publication Critical patent/KR870005685A/ko

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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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/157—After-treatment of gels
    • C01B33/158—Purification; Drying; Dehydrating
    • C01B33/1585—Dehydration into aerogels
    • 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
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0091—Preparation of aerogels, e.g. xerogels
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/32—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state or in non-aqueous solution, e.g. sol-gel process
    • 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
    • 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
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
    • 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
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • C01P2006/14—Pore volume
    • 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
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silicon Compounds (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

내용 없음

Description

단분산 금속산화물의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 내지 제3도는 실험 1 내지 5의 각 공정에서 얻은 제품의 주사전자마이크로사진(SEM).

Claims (12)

  1. 소요온도 및 pH에서 용제의 존재하에 알콕시드를 가수분해하여 솔을 제조하고, 이 솔은 추출액체로 적절히 교반하면서 초임계적으로 처리하여 이루어지는 단분산 금속산화물의 제조 방법.
  2. 제1항에 있어서, 단분산 금속산화물은 원소의 주기율표의 그룹 ⅡA＆B, ⅢA＆B, ⅣA＆B, ⅤA＆B, ⅥA＆B, ⅦB ALC Ⅷ의 금속에 대응하는 최소한 1개 이상의 금속산화물로 이루어지는 것을 특징으로 하는 상기 제조방법.
  3. 제2항에 있어서, 금속산화물이 상기 그룹중에 2개 이상의 금속로 이루어지는 것을 특징으로 하는 상기 제조방법.
  4. 제2항에 있어서, 금속산화물이 실리카인 것을 특징으로 하는 상기 제조방법.
  5. 제1항에 있어서, 촉매가 산인 것을 특징으로 하는 상기 제조방법.
  6. 제1항에 있어서, 촉매가 염기인 것을 특징으로 하는 상기 제조방법.
  7. 제1항에 있어서, 사용되는 용제가 알콜인 것을 특징으로 하는 상기 제조방법.
  8. 제1항에 있어서, 사용되는 용제가 알콜·방향족 혼합물인 것을 특징으로 하는 상기 제조방법.
  9. 제8항에 있어서, 용제가 톨루엔·부탄올 혼합물인 것을 특징으로 하는 상기 제조방법.
  10. 제1항에 있어서, 솔 제조기간중의 온도가 -20℃ 내지 용제의 비등점의 범위인 것을 특징으로 하는 상기 제조방법.
  11. 제10항에 있어서, 온도가 20℃ 내지 30℃의 범위인 것을 특징으로 하는 상기 제조방법.
  12. 제2항에 있어서, 금속산화물이 티타니아인 것을 특징으로 하는 상기 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR860009648A 1985-12-06 1986-11-15 단분산 금속산화물의 제조방법 KR870005685A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80565285A 1985-12-06 1985-12-06
US805,652 1997-02-27

Publications (1)

Publication Number Publication Date
KR870005685A true KR870005685A (ko) 1987-07-06

Family

ID=25192125

Family Applications (1)

Application Number Title Priority Date Filing Date
KR860009648A KR870005685A (ko) 1985-12-06 1986-11-15 단분산 금속산화물의 제조방법

Country Status (5)

Country Link
EP (1) EP0225785A3 (ko)
JP (1) JPS62138310A (ko)
KR (1) KR870005685A (ko)
IL (1) IL80398A0 (ko)
ZA (1) ZA869214B (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287218B1 (en) * 1987-03-17 1992-12-02 Mitsubishi Denki Kabushiki Kaisha Method of making photoconductive particles
US4845056A (en) * 1987-10-09 1989-07-04 Allied-Signal Inc. Continuous process for production of fine particulate ceramics
US5023071A (en) * 1988-10-05 1991-06-11 Akzo America Inc. Process for forming metal oxide powders from the metal alkoxide
US5338353A (en) * 1989-04-07 1994-08-16 Nippon Shokubai Kagaku Kogyo Method for production of powder of fine inorganic particles
US5985229A (en) * 1995-09-21 1999-11-16 Toagosei Co., Ltd. Solid silica derivative and process for producing the same
FR2763258B1 (fr) * 1997-05-15 1999-06-25 Commissariat Energie Atomique Procede de fabrication d'oxydes metalliques, simples ou mixtes, ou d'oxyde de silicium
EP1199280A1 (de) * 2000-10-19 2002-04-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Metallchalkogeniden mit Hilfe überkritischer Fluide
FR2843955B1 (fr) * 2002-08-30 2005-05-20 Centre Nat Rech Scient Procede de preparation de poudres d'oxydes inorganiques, de composes cristallins et utilisation de ces composes
JP5811620B2 (ja) * 2010-12-13 2015-11-11 富士ゼロックス株式会社 シリカ粒子の製造方法
JP2014034476A (ja) * 2012-08-07 2014-02-24 Taiyo Nippon Sanso Corp 複合セラミックス材料粒子及びその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507171A1 (fr) * 1981-06-04 1982-12-10 Zarzycki Jerzy Aerogels de silice monolithiques, leur preparation et leur utilisation pour la preparation d'articles en verre de silice et de materiaux thermiquement isolants
AU5071285A (en) * 1984-12-13 1986-06-19 South African Inventions Development Corp. Production of complex metal hydroxide powders
US4610863A (en) * 1985-09-04 1986-09-09 The United States Of America As Represented By The United States Department Of Energy Process for forming transparent aerogel insulating arrays

Also Published As

Publication number Publication date
EP0225785A3 (en) 1988-08-31
JPS62138310A (ja) 1987-06-22
ZA869214B (en) 1987-09-30
EP0225785A2 (en) 1987-06-16
IL80398A0 (en) 1987-01-30

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