KR890008028A - 분말상 바륨 티타네이트를 제조하는 방법. - Google Patents

분말상 바륨 티타네이트를 제조하는 방법. Download PDF

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Publication number
KR890008028A
KR890008028A KR1019880015331A KR880015331A KR890008028A KR 890008028 A KR890008028 A KR 890008028A KR 1019880015331 A KR1019880015331 A KR 1019880015331A KR 880015331 A KR880015331 A KR 880015331A KR 890008028 A KR890008028 A KR 890008028A
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South Korea
Prior art keywords
alcoholate
barium
barium titanate
titanium
solution
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KR1019880015331A
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English (en)
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KR960008622B1 (en
Inventor
카타린 클레 마라이케
브란트 한스-볼프강
Original Assignee
이반 밀라르 레르너
엔.브이.필립스 글뢰일람펜파브리켄
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Publication of KR890008028A publication Critical patent/KR890008028A/ko
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Publication of KR960008622B1 publication Critical patent/KR960008622B1/ko

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • 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
    • C01G23/003—Titanates
    • C01G23/006—Alkaline earth titanates
    • 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
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/76—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by a space-group or by other symmetry indications
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

내용 없음

Description

분말상 바륨 티타네이트를 제조하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 방법에 있어서 바륨 티타네이트를 제조하기 위해 출발 물질로 사용되는 미건조, 무정형 이산화티탄의 X-선 회절도.
제2도는 본 발명에 따라서 제조된 바륨 티타네이트의 X-선 회절도.

Claims (3)

  1. 바륨 알콜레이트 및 티탄 알콜레이트를 함유하는 균질 용액 혼합물을 수증기 - 포화된 N2대기중에 30 내지 60℃ 범위의 온도에서 반응시키고, 형성된 바륨 티타네이트 겔을 진공중에 40 내지 60℃의 온도에서 12 내지 48시간동안 건조시킴을 특징으로 하여, 바륨 티탄 알콜레이트의 가수분해에 의해 분말상 바륨 티타네이트를 조제하는 방법.
  2. 제1항에 있어서, a) 불활성 가스 대기중에서 금속 바륨과 이소프판올의 반응에 의해 바륨 알콜레이트 용액을 제조하고, b) 불활성 가스 대기중에서 무수 알콜에 티탄-테트라-이소프로폭사이드를 용해시켜 티탄 알콜레이트 용액을 제조하고, c) 반응단계 a) 및 b)에 따라서 수득된 용액을 화학양론적 양으로 혼합하는 공정 단계로 바륨 알콜레이트/티탄 알콜레이트 용액 혼합물을 제조함을 특징으로 하는 방법.
  3. 제2항에 있어서, 바륨 알콜레이트/티탄 알콜레이트 용액 혼합물로부터, 수증기-포화된 N2대기중에 25 내지 40℃이 온도에서 50 내지 100시간동안 전환시킴으로써 바륨 티타네이트 겔의 제조함을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR88015331A 1987-11-25 1988-11-22 Process for the preparation of barium titanate in powder form KR960008622B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873739855 DE3739855A1 (de) 1987-11-25 1987-11-25 Verfahren zur herstellung von bariumtitanat in pulverform
DEP3739855.5 1987-11-25

Publications (2)

Publication Number Publication Date
KR890008028A true KR890008028A (ko) 1989-07-08
KR960008622B1 KR960008622B1 (en) 1996-06-28

Family

ID=6341177

Family Applications (1)

Application Number Title Priority Date Filing Date
KR88015331A KR960008622B1 (en) 1987-11-25 1988-11-22 Process for the preparation of barium titanate in powder form

Country Status (4)

Country Link
EP (1) EP0318108B1 (ko)
JP (1) JP2634209B2 (ko)
KR (1) KR960008622B1 (ko)
DE (2) DE3739855A1 (ko)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647364A (en) * 1970-01-06 1972-03-07 Us Air Force Process for producing high-purity submicron barium and strontium titanate powders
JPS6121916A (ja) * 1984-07-10 1986-01-30 Nippon Chem Ind Co Ltd:The チタン酸バリウムの製造法

Also Published As

Publication number Publication date
EP0318108A2 (de) 1989-05-31
JP2634209B2 (ja) 1997-07-23
DE3739855A1 (de) 1989-06-08
EP0318108B1 (de) 1992-06-24
DE3872358D1 (de) 1992-07-30
JPH01164732A (ja) 1989-06-28
EP0318108A3 (en) 1990-06-20
KR960008622B1 (en) 1996-06-28

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