KR890003643A - 유제침전 방법에 의한 세라믹 분말의 생성 및 그것의 생성물 - Google Patents

유제침전 방법에 의한 세라믹 분말의 생성 및 그것의 생성물 Download PDF

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KR890003643A
KR890003643A KR1019880010538A KR880010538A KR890003643A KR 890003643 A KR890003643 A KR 890003643A KR 1019880010538 A KR1019880010538 A KR 1019880010538A KR 880010538 A KR880010538 A KR 880010538A KR 890003643 A KR890003643 A KR 890003643A
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emulsion
ammonia
aqueous solution
miscible liquid
ceramic powder
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KR1019880010538A
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브이.상 얀
제이. 오질비 카슨
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원본미기재
알칸 인터내쇼날 리미티드
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Publication of KR890003643A publication Critical patent/KR890003643A/ko

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/02—Oxides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • 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
    • C01B13/328—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 by processes making use of emulsions, e.g. the kerosine process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/028—Beta-aluminas
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/34—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0027—Mixed oxides or hydroxides containing one alkali metal
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • 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
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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
    • C01P2006/42—Magnetic properties

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Colloid Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Compounds Of Iron (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

내용 없음

Description

유제침전 방법에 의한 세라믹 분말의 생성 및 그것의 생성물
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (11)

  1. a) 각각의 양이온 또는 양이온들의 혼합물의 수용액을 생성하고; b) 비-혼화 액체내의 수용액을 분산시켜 비-혼화 액체내의 수용성입자의 유제를 형성하고; c) 유제를 파괴하지 않고 침전을 형성하도록 양이온 또는 양이온들과 반응하는 양이온 또는 양이온들에 대한 가스반응물을 유제와 접촉시키고; d) 이어서 수용액 및 비-혼화 액체를 제거하여 각각의 세라믹 분말을 생성하는 단계들을 특징으로 하는 세라믹 분말을 생성하기 위한 유제침전방법.
  2. 제 1항에 있어서, 유제의 수용성 입자가 평균 1마이크로미터 이하임을 특징으로 하는 방법.
  3. 제 1항 또는 제 2항에 있어서, 상기 수용액이 전체 유제의 부피의 30내지 70부피%로 구성됨을 특징으로 하는 방법.
  4. 제 1항 내지 제 3항중 어느 한 항에 있어서, 상기 유제가 안정화하기 위하여 계면활성제 수용액을 약 2 내지 10부피% 포함하고, 계면활성제는 가능하면 비-이온성 계면활성제 및 이온성 계면활성제의 혼합물로 이루어지며, 여기에서 계면활성제는 수용액을 첨가하기 이전에 용해하여 비-혼화액체가됨을 특징으로 하는 방법.
  5. 제 1항 내지 제 4항중 어느 한 항에 있어서, 비-혼화 액체가 오일임을 특징으로 하는 방법.
  6. 제 1항 내지 제 5항중 어느 한 항에 있어서, 가스반응물이 암노니아이거나, 약 5내지 약 70부피%의 암모니아로 구성된 중성의 희석가스 및 암노니아의 혼합물이며 여기에서 암모니아는 pH가 약 10 내지 114에 도달할때까지 유제와 접촉시킴을 특징으로 하는 방법.
  7. 제 1항 내지 제 5항중 어느 한 항에 있어서, 가스반응물이 이산화탄소이고, 여기에서 이산화탄소는 일정하게 pH가 약 3에 도달할때까지 유제와 접촉시킴을 특징으로 하는 방법.
  8. 제 1항 내지 제 5항중 어느 한 항에 있어서, 가스 반응물은 일정한 pH가 3에 도달할때까지 유제와 접촉시킨 이산화탄소이고, 여기에서 반응한 유제를 pH가 최소한 6에 도달할때가지 암모니아의 약 5 내지 70부피%로 구성된, 중성의 희석가스 및 암모니아의 혼합물 또는 암모니아로 접촉시킴을 특징으로 하는 방법.
  9. 제1항 내지 제 8항중 어느 한 항에 있어서, 수용액 및 비-혼화 액체를 충분한 시간동안 충분한 온도로 가열함으로써 제거함을 특징으로 하는 방법.
  10. 제 1항 내지 제 8항중 어느 한 항에 있어서, 수용액 및 비-혼화 액체가 분무건조로 제거됨을 특징으로 하는 방법.
  11. 제 1항 내지 제 10항중 어느 한 항의 방법에 의해 제조됨을 특징으로 하는 세라믹 분말.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880010538A 1987-08-19 1988-08-19 유제침전 방법에 의한 세라믹 분말의 생성 및 그것의 생성물 KR890003643A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA000544868A CA1273647A (en) 1987-08-19 1987-08-19 Production of ceramic powders by emulsion precipitation processes and the products thereof
CA544,868 1987-08-19

Publications (1)

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KR890003643A true KR890003643A (ko) 1989-04-17

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KR1019880010538A KR890003643A (ko) 1987-08-19 1988-08-19 유제침전 방법에 의한 세라믹 분말의 생성 및 그것의 생성물

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Country Link
US (1) US4999323A (ko)
EP (1) EP0304243A1 (ko)
JP (1) JPH0193406A (ko)
KR (1) KR890003643A (ko)
AU (1) AU608352B2 (ko)
BR (1) BR8804166A (ko)
CA (1) CA1273647A (ko)
DK (1) DK468888A (ko)
NO (1) NO883702L (ko)
ZA (1) ZA886037B (ko)

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DE68908719T2 (de) * 1988-10-13 1994-02-03 Tioxide Specialties Ltd Keramische pulver.
IT1230630B (it) * 1988-11-11 1991-10-28 Eniricerche Spa Procedimento per la preparazione di un precursore di zirconio biossido
IT1241403B (it) * 1990-03-02 1994-01-14 Eniricerche Spa Procedimento per la preparazione di ossidi misti di zirconio e ittrio
DE4115172C2 (de) * 1991-05-09 1995-08-24 Nukem Gmbh Verfahren zur Herstellung von Pulver aus stabilisiertem Zirkonoxid und Verwendung des Verfahrens
DE4118185A1 (de) * 1991-06-03 1992-12-10 Inst Neue Mat Gemein Gmbh Verfahren zur herstellung nanoskaliger oxidteilchen
WO1993014022A1 (en) * 1992-01-15 1993-07-22 Battelle Memorial Institute Process of forming metal compounds using reverse micelle or reverse microemulsion systems
AT398967B (de) * 1992-03-10 1995-02-27 Veitsch Radex Ag Verfahren zur herstellung eines feinteiligen oxidpulvers
US5484766A (en) * 1994-02-14 1996-01-16 Electric Power Research Institute, Inc. Preparation of Bi-Pb-Sr-Ca-Cu-O (2223) superconductors
DE19520448C2 (de) * 1995-06-03 1997-09-04 Schott Glaswerke Verfahren zur Herstellung von feinteiligen Multikomponenten-Glaspulvern zur Verwendung als Glasfluß für die Erzeugung von Schichten und Dekoren auf Glas, Glaskeramik oder Keramik
US6080804A (en) * 1995-06-07 2000-06-27 Cytec Technology Corp. Spray drying of functionalized polyacrylamide microemulsions
US6159898A (en) * 1997-05-23 2000-12-12 Uop Llc Alumina bodies containing alkali or alkaline earth metal compounds
US5856265A (en) * 1997-05-23 1999-01-05 La Roche Industries, Inc. Alumina body formation using high pH
US6013600A (en) * 1997-05-23 2000-01-11 Laroche Industries Inc. Alumina bodies containing alkali or alkaline earth metal compounds
US6228340B1 (en) 1997-08-25 2001-05-08 The Regents Of The University Of California Method for the production of macroporous ceramics
JP4174887B2 (ja) * 1998-05-21 2008-11-05 堺化学工業株式会社 ニッケル、コバルト又は銅の炭酸塩又は水酸化物の微細な球状の粒子の製造方法
JP5439748B2 (ja) * 2008-06-02 2014-03-12 セントラル硝子株式会社 含酸素ハロゲン化フッ化物の製造方法
CN114874008B (zh) * 2022-04-24 2023-08-18 昆明理工大学 一种YTaO4/Y3TaO7双相陶瓷及其制备方法与应用

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DE2323010C3 (de) * 1973-05-08 1978-03-30 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Verfahren zur Herstellung von kugelförmigen Metalloxid- oder Metallcarbid-Teilchen
JPS5224200A (en) * 1975-08-12 1977-02-23 Dowa Mining Co Ltd Method for production of spherical ferrite powder
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FR2557566B1 (fr) * 1983-12-29 1986-04-11 Commissariat Energie Atomique Procede de preparation d'une poudre apte au frittage, notamment d'une poudre ceramique
JPS61204033A (ja) * 1985-03-05 1986-09-10 Ngk Spark Plug Co Ltd 無機質原料粉末の造粒法
FR2621030B1 (fr) * 1987-09-29 1990-11-16 Centre Nat Rech Scient Procede de preparation d'oxydes metalliques

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Publication number Publication date
BR8804166A (pt) 1989-03-14
JPH0193406A (ja) 1989-04-12
DK468888D0 (da) 1988-08-19
NO883702L (no) 1989-02-20
CA1273647A (en) 1990-09-04
US4999323A (en) 1991-03-12
ZA886037B (en) 1989-04-26
AU608352B2 (en) 1991-03-28
AU2105488A (en) 1989-02-23
DK468888A (da) 1989-02-20
EP0304243A1 (en) 1989-02-22
NO883702D0 (no) 1988-08-18

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