RU94012560A - ПОРОШОК α - ГЛИНОЗЕМА И СПОСОБ ЕГО ПОЛУЧЕНИЯ - Google Patents
ПОРОШОК α - ГЛИНОЗЕМА И СПОСОБ ЕГО ПОЛУЧЕНИЯInfo
- Publication number
- RU94012560A RU94012560A RU94012560/26A RU94012560A RU94012560A RU 94012560 A RU94012560 A RU 94012560A RU 94012560/26 A RU94012560/26 A RU 94012560/26A RU 94012560 A RU94012560 A RU 94012560A RU 94012560 A RU94012560 A RU 94012560A
- Authority
- RU
- Russia
- Prior art keywords
- alumina
- halogen
- powder
- fillers
- transition alumina
- Prior art date
Links
- 239000000843 powder Substances 0.000 title claims 3
- 229910052782 aluminium Inorganic materials 0.000 title 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N al2o3 Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 6
- 239000000945 filler Substances 0.000 claims 2
- 229910052736 halogen Inorganic materials 0.000 claims 2
- 150000002367 halogens Chemical class 0.000 claims 2
- 239000003082 abrasive agent Substances 0.000 claims 1
- 238000001354 calcination Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000012433 hydrogen halide Substances 0.000 claims 1
- 229910000039 hydrogen halide Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N precursor Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (1)
- Способ производства порошка a -глинозема включает стадию прокаливания переходного глинозема или предшественника переходного глинозема, способного превращаться в переходный глинозем при нагревании в газовой атмосфере, содержащей галогенводород, смесь галогена и водяного пара или галогена, в присутствии затравочных кристаллов и/или формо-регулирующего агента. Порошок глинозема чрезвычайно пригоден как сырьевой материал для производства абразивов, наполнителей, спеченных материалов, заполнителей пустот, которые состоят из частиц a -глинозема с узким распределением преимущественного размера, в основном октаэдрической или икосаэдрической формой и особенной структурой.
Applications Claiming Priority (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5-110972 | 1993-04-13 | ||
JP5-110971 | 1993-04-13 | ||
JP11097293 | 1993-04-13 | ||
JP11097193 | 1993-04-13 | ||
JP18891293 | 1993-06-30 | ||
JP5-188912 | 1993-06-30 | ||
JP18891493 | 1993-06-30 | ||
JP5-188914 | 1993-06-30 | ||
JP5-194277 | 1993-07-08 | ||
JP19427793 | 1993-07-08 | ||
JP5-314131 | 1993-11-19 | ||
JP31413193 | 1993-11-19 | ||
JP5-338758 | 1993-12-01 | ||
JP33875893 | 1993-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU94012560A true RU94012560A (ru) | 1996-01-27 |
RU2118612C1 RU2118612C1 (ru) | 1998-09-10 |
Family
ID=27565776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU94012560A RU2118612C1 (ru) | 1993-04-13 | 1994-04-12 | ПОРОШОК α- -ГЛИНОЗЕМА И СПОСОБ ЕГО ПОЛУЧЕНИЯ |
Country Status (8)
Country | Link |
---|---|
US (2) | US5935550A (ru) |
EP (1) | EP0620188B1 (ru) |
CN (1) | CN1069290C (ru) |
AU (1) | AU679489B2 (ru) |
CA (1) | CA2121198A1 (ru) |
DE (1) | DE69419342T2 (ru) |
IL (1) | IL109236A (ru) |
RU (1) | RU2118612C1 (ru) |
Families Citing this family (45)
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EP0679611B1 (en) * | 1994-04-28 | 1999-07-28 | Sumitomo Chemical Company Limited | Method for producing alpha-alumina powder |
DE69511050T2 (de) * | 1994-11-30 | 2000-02-24 | Sumitomo Chemical Co., Ltd. | Verfahren zur Herstellung von Doppelmetalloxidpulvern |
AUPN053395A0 (en) * | 1995-01-12 | 1995-02-09 | Alcoa Of Australia Limited | Production of alpha alumina |
US7067105B2 (en) * | 1999-12-27 | 2006-06-27 | Showa Denko K.K. | Alumina particles, production process thereof, composition comprising the particles and alumina slurry for polishing |
AU2225301A (en) * | 1999-12-27 | 2001-07-09 | Showa Denko Kabushiki Kaisha | Alumina particles, method for producing the same, composition comprising the same, and alumina slurry for polishing |
TW504497B (en) | 2000-05-23 | 2002-10-01 | Sumitomo Chemical Co | Alpha-alumina powder and heat-conductive sheet containing the same |
JP4122746B2 (ja) * | 2001-05-21 | 2008-07-23 | 住友化学株式会社 | 微粒αアルミナ粉末の製造方法 |
KR100740730B1 (ko) * | 2002-03-22 | 2007-07-19 | 홀로파이버, 엘엘씨 | 중합체 섬유 조성물 및 방법 |
JP2004123445A (ja) * | 2002-10-02 | 2004-04-22 | Sumitomo Chem Co Ltd | αアルミナ粉末およびその製造方法 |
TW200422258A (en) * | 2003-02-26 | 2004-11-01 | Sumitomo Chemical Co | Method for producing α-alumina powder |
TWI348457B (en) * | 2003-03-04 | 2011-09-11 | Sumitomo Chemical Co | Method for producing 帢-alumina particulate |
TW200540116A (en) * | 2004-03-16 | 2005-12-16 | Sumitomo Chemical Co | Method for producing an α-alumina powder |
TWI367864B (en) * | 2004-03-17 | 2012-07-11 | Sumitomo Chemical Co | A method for producing an α-alumina particle |
JP4487689B2 (ja) * | 2004-08-26 | 2010-06-23 | 日産自動車株式会社 | アルミナ粒子、アルミナ粒子の製造方法、樹脂組成物、及び樹脂組成物の製造方法 |
MX2007002386A (es) * | 2004-09-01 | 2007-04-23 | Shell Int Research | Proceso para epoxidacion de olefinas, catalizador para uso en el proceso, soporte para uso en la preparacion del catalizador, y proceso para preparar el soporte. |
US8536083B2 (en) | 2004-09-01 | 2013-09-17 | Shell Oil Company | Olefin epoxidation process, a catalyst for use in the process, a carrier for use in preparing the catalyst, and a process for preparing the carrier |
JP4940556B2 (ja) * | 2004-09-07 | 2012-05-30 | 日産自動車株式会社 | 樹脂組成物 |
US7935382B2 (en) * | 2005-12-20 | 2011-05-03 | Momentive Performance Materials, Inc. | Method for making crystalline composition |
EP3677334B1 (en) * | 2006-11-01 | 2024-06-19 | Dow Global Technologies Llc | Alpha-alumina carrier for epoxidation catalyst and epoxidation method |
CA2673769C (en) * | 2007-01-15 | 2012-08-21 | Saint-Gobain Ceramics & Plastics, Inc. | Ceramic particulate material and processes for forming same |
JP2008311221A (ja) * | 2007-05-14 | 2008-12-25 | Sumitomo Chemical Co Ltd | 積層多孔質フィルム |
JP5109789B2 (ja) * | 2007-05-14 | 2012-12-26 | 住友化学株式会社 | 多孔質フィルムの製造方法 |
US7714152B2 (en) * | 2007-08-30 | 2010-05-11 | Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg | Carrier for olefin oxide catalyst |
US8157912B2 (en) * | 2007-09-11 | 2012-04-17 | Osram Sylvania Inc. | Method of converting PCA to sapphire and converted article |
FR2943333B1 (fr) * | 2009-03-20 | 2011-08-05 | Baikowski | Alumine, luminophores et composes mixtes ainsi que procedes de preparation associes |
US20110028770A1 (en) * | 2009-08-03 | 2011-02-03 | Honeywell International Inc. | Hydrogenation catalyst |
KR101858481B1 (ko) * | 2011-03-23 | 2018-06-27 | 다이메이카가쿠코교가부시키가이샤 | 알루미나 컴포지트, 알루미나 컴포지트의 제조방법 및 알루미나 컴포지트 함유 고분자 조성물 |
US10252945B2 (en) | 2012-09-26 | 2019-04-09 | Multiple Energy Technologies Llc | Bioceramic compositions |
WO2014051091A1 (ja) * | 2012-09-28 | 2014-04-03 | Dic株式会社 | α-アルミナ微粒子及びその製造方法 |
JP2017525400A (ja) | 2014-05-05 | 2017-09-07 | マルチプル エナジー テクノロジーズ エルエルシー | バイオセラミック組成物およびその生体修飾的使用 |
CN104528787B (zh) * | 2014-12-19 | 2016-01-20 | 贵州天合国润高新材料科技有限公司 | 一种制备细粒径氧化铝粉末的方法 |
WO2017047452A1 (ja) | 2015-09-16 | 2017-03-23 | 大日精化工業株式会社 | アルミナ系熱伝導性酸化物及びその製造方法 |
KR102451609B1 (ko) | 2016-05-16 | 2022-10-06 | 마르틴스베르크 게엠베하 | 알루미나 생성물 및 높은 열전도도를 지닌 폴리머 조성물에서의 이의 용도 |
CN107540006A (zh) * | 2016-06-29 | 2018-01-05 | 中国科学院大连化学物理研究所 | 一种微米尺寸的八面体氧化铝的制备方法 |
JP6607325B2 (ja) * | 2016-12-22 | 2019-11-20 | Dic株式会社 | α−アルミナ粒子の製造方法および樹脂組成物の製造方法 |
FR3067617B1 (fr) * | 2017-06-20 | 2019-07-19 | Arkema France | Catalyseur a base d'alumine alpha et procede d'hydrogenation d'une olefine en presence de celui-ci. |
KR102179722B1 (ko) * | 2017-12-19 | 2020-11-17 | 쇼와 덴코 가부시키가이샤 | 전융 알루미나립, 전융 알루미나립의 제조 방법, 숫돌 및 연마포지 |
CN109835929B (zh) * | 2019-04-15 | 2021-03-23 | 郑州鑫发材料科技有限公司 | 一种用匣钵煅烧制备片状α-氧化铝粉体的方法 |
CN112708928B (zh) * | 2019-10-25 | 2021-10-08 | 中国石油化工股份有限公司 | 一种氧化铝晶粒及其制备方法 |
CN112978776B (zh) * | 2019-12-02 | 2023-01-10 | 中国石油化工股份有限公司 | 一种γ-氧化铝八面体颗粒及其制备方法 |
CN112978771B (zh) * | 2019-12-02 | 2023-01-10 | 中国石油化工股份有限公司 | 一种高比表面γ-氧化铝八面体颗粒及其制备方法 |
CN112897996B (zh) * | 2021-01-27 | 2023-02-03 | 中铝山东有限公司 | 一种原晶粒集中的α氧化铝的制备方法及粒径的控制方法 |
CN113184886B (zh) * | 2021-04-14 | 2023-01-31 | 雅安百图高新材料股份有限公司 | 一种高导热球形氧化铝的制备方法及产品 |
CN114656246B (zh) * | 2022-04-01 | 2022-12-06 | 广东工业大学 | 一种正八面体α氧化铝及其制备方法和应用 |
CN115895453B (zh) * | 2022-11-10 | 2023-09-08 | 湖北五方光电股份有限公司 | 一种红外截止滤光片用抛光液及其制备方法和应用 |
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DE1159418B (de) * | 1961-04-01 | 1963-12-19 | Vaw Ver Aluminium Werke Ag | Verfahren zur Calcination von Aluminiumhydroxid |
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US4806198A (en) * | 1987-11-02 | 1989-02-21 | Cornell Research Foundation, Inc. | Producing alpha-alumina whiskers |
US5149520A (en) * | 1987-12-23 | 1992-09-22 | Aluminum Company Of America | Small sized alpha alumina particles and platelets |
RU2107661C1 (ru) * | 1992-06-02 | 1998-03-27 | Сумитомо Кемикал Компани, Лимитед | α ОКСИД АЛЮМИНИЯ |
JP3744010B2 (ja) * | 1993-06-30 | 2006-02-08 | 住友化学株式会社 | α−アルミナ粉末の製造方法 |
HU215748B (hu) * | 1993-07-27 | 1999-02-01 | Sumitomo Chemical Co. | Alumínium-oxid kompozíció, öntött alumínium-oxid termék, alumínium-oxid kerámia, eljárás a kerámia előállítására és alumínium-oxid részecskék alkalmazása oxidkerámiákhoz |
US5549746A (en) * | 1993-09-24 | 1996-08-27 | General Electric Company | Solid state thermal conversion of polycrystalline alumina to sapphire using a seed crystal |
-
1994
- 1994-04-06 IL IL10923694A patent/IL109236A/en not_active IP Right Cessation
- 1994-04-12 RU RU94012560A patent/RU2118612C1/ru active
- 1994-04-12 AU AU59410/94A patent/AU679489B2/en not_active Ceased
- 1994-04-13 EP EP94302622A patent/EP0620188B1/en not_active Expired - Lifetime
- 1994-04-13 CA CA002121198A patent/CA2121198A1/en not_active Abandoned
- 1994-04-13 DE DE69419342T patent/DE69419342T2/de not_active Expired - Lifetime
- 1994-04-13 CN CN94105290A patent/CN1069290C/zh not_active Expired - Lifetime
-
1996
- 1996-02-26 US US08/606,679 patent/US5935550A/en not_active Expired - Lifetime
-
1999
- 1999-04-06 US US09/286,255 patent/US6159441A/en not_active Expired - Lifetime
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