WO2022154227A1 - 판상형 α-알루미나 및 그 제조 방법 - Google Patents

판상형 α-알루미나 및 그 제조 방법 Download PDF

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Publication number
WO2022154227A1
WO2022154227A1 PCT/KR2021/015896 KR2021015896W WO2022154227A1 WO 2022154227 A1 WO2022154227 A1 WO 2022154227A1 KR 2021015896 W KR2021015896 W KR 2021015896W WO 2022154227 A1 WO2022154227 A1 WO 2022154227A1
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WO
WIPO (PCT)
Prior art keywords
alumina
plate
shaped
pseudoboehmite
particle size
Prior art date
Application number
PCT/KR2021/015896
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English (en)
French (fr)
Korean (ko)
Inventor
양세인
김동균
태경식
김정환
이진수
Original Assignee
주식회사 티세라
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.)
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Publication date
Application filed by 주식회사 티세라 filed Critical 주식회사 티세라
Publication of WO2022154227A1 publication Critical patent/WO2022154227A1/ko

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    • 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
    • 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
    • C09C1/40—Compounds of aluminium
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B1/00—Single-crystal growth directly from the solid state
    • C30B1/02—Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides

Definitions

  • another aspect of the present invention relates to a plate-shaped ⁇ -alumina having a narrow particle size distribution prepared by the above method.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
PCT/KR2021/015896 2021-01-12 2021-11-04 판상형 α-알루미나 및 그 제조 방법 WO2022154227A1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210004112A KR102302448B1 (ko) 2021-01-12 2021-01-12 판상형 α-알루미나 및 그 제조 방법
KR10-2021-0004112 2021-01-12

Publications (1)

Publication Number Publication Date
WO2022154227A1 true WO2022154227A1 (ko) 2022-07-21

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PCT/KR2021/015896 WO2022154227A1 (ko) 2021-01-12 2021-11-04 판상형 α-알루미나 및 그 제조 방법

Country Status (3)

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KR (1) KR102302448B1 (zh)
TW (1) TW202227363A (zh)
WO (1) WO2022154227A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230060924A (ko) * 2021-10-28 2023-05-08 주식회사 티세라 나노 크기를 갖는 다면체 α-알루미나 입자 및 그 제조 방법
KR102612363B1 (ko) * 2021-10-28 2023-12-08 주식회사 티세라 판상형 α-알루미나 입자의 제조방법
KR102497278B1 (ko) * 2022-11-02 2023-02-08 주식회사 씨아이에스케미칼 슈도-뵈마이트와 염화물계 첨가제를 이용한 고순도 알루미나의 제조방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0959018A (ja) * 1995-08-24 1997-03-04 Ykk Corp アルミナ粒子の製造方法
KR20120052398A (ko) * 2009-08-19 2012-05-23 엑카르트 게엠베하 협소한 크기 분포를 갖는 고광택 다층 효과 안료, 및 이의 제조 방법
CN104925843A (zh) * 2015-06-03 2015-09-23 清华大学 利用复合铝盐制备薄片状α-Al2O3珠光颜料基材的方法
CN110182834A (zh) * 2019-05-30 2019-08-30 浙江瑞成新材料股份有限公司 片状α-氧化铝的制备方法和片状α-氧化铝

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49125298A (zh) * 1973-04-06 1974-11-30
EP3366646A1 (en) * 2013-04-30 2018-08-29 Merck Patent GmbH Formulations containing a-alumina flakes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0959018A (ja) * 1995-08-24 1997-03-04 Ykk Corp アルミナ粒子の製造方法
KR20120052398A (ko) * 2009-08-19 2012-05-23 엑카르트 게엠베하 협소한 크기 분포를 갖는 고광택 다층 효과 안료, 및 이의 제조 방법
CN104925843A (zh) * 2015-06-03 2015-09-23 清华大学 利用复合铝盐制备薄片状α-Al2O3珠光颜料基材的方法
CN110182834A (zh) * 2019-05-30 2019-08-30 浙江瑞成新材料股份有限公司 片状α-氧化铝的制备方法和片状α-氧化铝

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
L. RAJABI, DERAKHSHAN A. A.: "Room Temperature Synthesis of Boehmite and Crystallization of Nanoparticles: Effect of Concentration and Ultrasound", SCIENCE OF ADVANCED MATERIALS, AMERICAN SCIENTIFIC PUBLISHERS, UNITED STATES, vol. 2, no. 2, 1 June 2010 (2010-06-01), United States , pages 163 - 172, XP055751292, ISSN: 1947-2935, DOI: 10.1166/sam.2010.1063 *

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KR102302448B1 (ko) 2021-09-16

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