KR870001115A - 초미립 이붕소화티탄 분말의 제조방법 - Google Patents

초미립 이붕소화티탄 분말의 제조방법 Download PDF

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KR870001115A
KR870001115A KR1019860005762A KR860005762A KR870001115A KR 870001115 A KR870001115 A KR 870001115A KR 1019860005762 A KR1019860005762 A KR 1019860005762A KR 860005762 A KR860005762 A KR 860005762A KR 870001115 A KR870001115 A KR 870001115A
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South Korea
Prior art keywords
boron
titanium
amount
hydrogen
volatile
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KR1019860005762A
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English (en)
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크누센 아르네케이
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리차드 지 워터맨
더 다우 케미칼 캄파니
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Publication of KR870001115A publication Critical patent/KR870001115A/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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/121—Coherent waves, e.g. laser beams
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B35/00—Boron; Compounds thereof
    • C01B35/02—Boron; Borides
    • C01B35/04—Metal borides

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Ceramic Products (AREA)
  • Chemical Vapour Deposition (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

내용 없음.

Description

초미립 이붕소화티탄 분말의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 방법을 수행하기에 적절한 장치의 개략도.

Claims (13)

  1. 휘발성 붕소 및 휘발성 티탄공급원 및 상기 붕소공급원을 기준으로 하여 화학양론적 양 이상의 수소로 주로 이루어진 기체상 반응물의 연속류에 약 0.7기압(70.7KPa) 이상의 절대압력에서, 휘발성 불소 및 티탄 공급원중 적어도 일부를 이붕소화티탄으로 전환시킬 수 있는 유효량 이상의 레이저 방사선(여기에서 레이저 방사선은 상기 기체상 반응물이 흡수하기에 적절한 파장을 갖는다)을 조사함을 특징으로 하여 상당히 순수한 극세이붕소화 티탄분말을 제조하는 방법.
  2. 제1항에 있어서, 수소기체 연속류를 사염화티탄으로 주로 이루어진 가열용액을 통해 버블(bubble)시키고, 생성된 증기를 0.4:1 내지 15:1의 범위내 삼염화붕소/사염화티탄(BCl₃/TiCl₄)비에 상응하는 양의 삼염화붕소와 혼합시키는 방법.
  3. 제1항 또는 제2항에 있어서, 상기 절대압력이 0.7 내지 2기압(70.7 내지 202KPa)범위인 방법.
  4. 제1항에 있어서, 휘발성 붕소공급원이 알킬붕소, 알킬붕산염, 수소화붕소 또는 할로겐화붕소인 방법.
  5. 제1항에 있어서, 휘발성 티탄공급원이 사염화티탄인 방법.
  6. 제1항에 있어서, 수소가 출발기체 혼합물 중 붕소공급원의 화학양론적 양의 50 내지 500몰% 양으로 출발기체 혼합물중에 존재하는 방법.
  7. 제1항, 제2항 및 제6항중 어느 하나에 있어서, 수소가 출발기체 혼합물 중 붕소공급원의 화학양론적 양의 75 내지 400몰% 양으로 존재하는 방법.
  8. 제1항, 제2항 및 제7항중 어느 하나에 있어서, 수소가 출발기체 혼합물 중 붕소공급원의 화학양론적 양의 100 내지 200몰% 양으로 존재하는 방법.
  9. 제2항에 있어서, 생성된 증기를 0.4:1 내지 5.0:1 범위내 삼염화붕소/사염화티탄(BCl₃/TiCl₄)비에 상응하는 양의 삼염화붕소와 혼합시키는 방법.
  10. 제1항에 있어서, 레이저력이 약100watt 이상인 방법.
  11. 제2항에 있어서, 극세이붕소화티탄 분말의 지름이 0.025 내지 0.3μ 범위인 방법.
  12. 제2항에 있어서, 극세이붕소화티탄 분말의 지름이 0.08 내지 0.17μ 범위인 방법.
  13. 제1항 또는 제2항에 있어서, 상기 극세 이붕소화티탄 분말이 단일분산 및 동축입자로 이루어진 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860005762A 1985-07-16 1986-07-16 초미립 이붕소화티탄 분말의 제조방법 KR870001115A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US755393 1985-07-16
US06/755,393 US4689129A (en) 1985-07-16 1985-07-16 Process for the preparation of submicron-sized titanium diboride

Publications (1)

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KR870001115A true KR870001115A (ko) 1987-03-11

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Country Status (5)

Country Link
US (1) US4689129A (ko)
EP (1) EP0209298A3 (ko)
JP (1) JPS6252126A (ko)
KR (1) KR870001115A (ko)
CA (1) CA1290278C (ko)

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KR100329285B1 (ko) * 2000-01-10 2002-03-18 최승룡 식기 세척기

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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
CA1290278C (en) 1991-10-08
EP0209298A2 (en) 1987-01-21
JPS6252126A (ja) 1987-03-06
US4689129A (en) 1987-08-25
EP0209298A3 (en) 1987-12-02

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