JP5122527B2 - チタン酸アルミニウムマグネシウムの製造方法 - Google Patents
チタン酸アルミニウムマグネシウムの製造方法 Download PDFInfo
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Description
AT化率(%)=100×IAT/(IAT +IT)・・・(1)
熱分解率(%)=100−100×IAT2/(IAT2 +IT2 )・・・(2)
チタニア粉末〔デュポン(株)、「R−900」〕20.0g、αアルミナ粉末〔住友化学(株)製、「AES−12」〕27.4g、マグネシア粉末〔宇部マテリアル(株)、「UC−95M」〕0.8gおよびガラスフリット〔タカラスタンダード(株)製、型番「CK0832M2」、中心粒径7.4μm、屈服点768℃(メーカー測定値)、粘度値1.1×109ポイズ〕1.8gを、アルミナビーズ〔直径15mm〕5kgと共にアルミナ製粉砕容器〔内容積3.3L〕に投入した。このチタン酸アルミニウム系セラミックス中のチタン酸アルミニウムマグネシウムのx値は約0.09である。
実施例1で用いた原料のガラスフリットの代わりに長石〔特殊精礦(株)より入手した大平長石、型番「SS−300」〕を用いた以外は実施例1と同様に操作し、チタン酸アルミニウム系セラミックスの粉末を得た。このチタン酸アルミニウム系セラミックスのAT化率を求めたところ100%であった。また、得られたチタン酸アルミニウム系セラミックスの熱分解率を測定したところ3.7%だった。またこのチタン酸アルミニウム系セラミックス粉末の形状をSEMにて観察したところ、粉末を構成する粒子のほとんどが概ね球形であった。また、焼結体密度の値を測定したところ3.21g/cm3の値を示し、熱膨張係数の値は2.6×10−6K−1の値を示した。
原料のガラスフリット〔タカラスタンダード(株)より入手したガラスフリット、型番「CK0314M2」、中心粒径7μm相当、屈服点610℃(メーカー測定値)、粘度値4.9×104ポイズ〕を用いた以外は実施例1と同様に操作し、チタン酸アルミニウム系セラミックスの粉末を得た。このチタン酸アルミニウム系セラミックスのAT化率を求めたところ100%であった。また、得られたチタン酸アルミニウム系セラミックスの熱分解率を測定したところ100%だった。またこのチタン酸アルミニウム系セラミックスの粉末の形状をSEMにて観察したところ、粉末を構成する粒子のほとんどが概ね球形であった。また、焼結体密度の値を測定したところ3.36g/cm3の値を示した。
Claims (10)
- チタン源化合物、アルミニウム源化合物、マグネシウム源化合物、並びに屈服点が700℃以上および900℃の粘度値が1.0×106ポイズ以上、かつその中心粒径が15μm以下のガラスフリットを含む原材料混合物を焼成することを特徴とするチタン酸アルミニウムマグネシウムの製造方法であって、
チタニア換算の前記チタン源化合物の使用量およびアルミナ換算の前記アルミニウム源化合物の使用量の合計量100質量部あたり、チタニア換算の前記チタン源化合物の使用量は、30質量部〜70質量部であり、前記ガラスフリットの使用量は、0.1質量部〜20質量部であり、マグネシア換算の前記マグネシウム源化合物の使用量は、0.1質量部〜10質量部であるチタン酸アルミニウムマグネシウムの製造方法。 - 前記マグネシウム源化合物が、酸化マグネシウムおよび/またはマグネシアスピネルで
ある請求項1に記載の製造方法。 - 前記チタン源化合物が、酸化チタンである請求項1または2に記載の製造方
法。 - 前記アルミニウム源化合物が、酸化アルミニウムおよび/またはマグネシアスピネルである請求項1〜3のいずれか一項に記載の製造方法。
- 前記ガラスフリットが、SiO2を50質量%以上含有するケイ酸ガラスである請求項1〜4のいずれか一項に記載の製造方法。
- 前記原材料混合物を、乾式または湿式で混合する請求項1〜5のいずれか一項に記載の製造方法。
- 乾式または湿式での混合に際し、粉砕メディアの共存下に粉砕容器内で粉砕混合する請求項6に記載の製造方法。
- 前記粉砕メディアは、直径1mm〜100mmのアルミナボールまたはジルコニアボールである請求項7に記載の製造方法。
- 前記粉砕容器を、2mm〜20mmの振幅で振動させる請求項7または8に記載の製造方法。
- 請求項1〜9のいずれか一項に記載の製造方法で、チタン酸アルミニウムマグネシウムを得、得られたチタン酸アルミニウムマグネシウムを解砕することを特徴とするチタン酸アルミニウムマグネシウム粉末の製造方法。
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CN101925538A (zh) * | 2008-01-21 | 2010-12-22 | 住友化学株式会社 | 钛酸铝镁的制备方法 |
US20110156323A1 (en) * | 2008-09-04 | 2011-06-30 | Sumitomo Chemical Company, Limited | Process for producing aluminum titanate-based ceramics |
JP2010116289A (ja) * | 2008-11-12 | 2010-05-27 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系セラミックスの製造方法 |
AU2010273362A1 (en) * | 2009-07-15 | 2011-12-01 | E.I. Du Pont De Nemours And Company | Aluminium magnesium titanate composite ceramics |
JP2011153066A (ja) * | 2009-12-28 | 2011-08-11 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系セラミックスの製造方法 |
WO2011111666A1 (ja) * | 2010-03-08 | 2011-09-15 | 住友化学株式会社 | グリーン成形体、及び、チタン酸アルミニウム焼成体の製造方法 |
US8859447B2 (en) | 2010-03-26 | 2014-10-14 | Otsuka Chemical Co., Ltd. | Columnar aluminum titanate and method for producing same |
FR2969266B1 (fr) * | 2010-12-21 | 2013-01-04 | Finaxo Environnement | Module de chauffage, systeme de chauffage comprenant plusieurs modules de chauffage et installation comprenant un tel systeme de chauffage. |
US9272956B2 (en) * | 2011-05-27 | 2016-03-01 | Corning Incorporated | Method for controlling aluminum titanate ceramic filter properties |
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US9376347B2 (en) | 2013-05-20 | 2016-06-28 | Corning Incorporated | Porous ceramic article and method of manufacturing the same |
MX2017006558A (es) | 2014-11-19 | 2018-02-21 | Corning Inc | Polvos de cerámica con distribución de tamaño controlada. |
JP7076378B2 (ja) | 2016-05-31 | 2022-05-27 | コーニング インコーポレイテッド | 多孔質物品およびその製造方法 |
US11591265B2 (en) | 2017-10-31 | 2023-02-28 | Corning Incorporated | Batch compositions comprising pre-reacted inorganic particles and methods of manufacture of green bodies therefrom |
JP2023120508A (ja) * | 2022-02-18 | 2023-08-30 | デンカ株式会社 | 粉末及び粉末の製造方法 |
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JPH0729770B2 (ja) * | 1989-02-28 | 1995-04-05 | 東ソー株式会社 | 酸化物粉末及びその製造方法 |
US5071800A (en) * | 1989-02-28 | 1991-12-10 | Tosoh Corporation | Oxide powder, sintered body, process for preparation thereof and targe composed thereof |
US5076815A (en) * | 1989-07-07 | 1991-12-31 | Lonza Ltd. | Process for producing sintered material based on aluminum oxide and titanium oxide |
JP3192700B2 (ja) * | 1991-09-30 | 2001-07-30 | 日本碍子株式会社 | アルミニウムチタネートセラミックス及びその製造法 |
JPH0687651A (ja) * | 1992-09-02 | 1994-03-29 | Toshiba Corp | チタン酸アルミニウム焼結体の製造方法 |
US5374595A (en) * | 1993-01-22 | 1994-12-20 | Corning Incorporated | High liquidus viscosity glasses for flat panel displays |
JPH06305828A (ja) * | 1993-04-28 | 1994-11-01 | Kawasaki Refract Co Ltd | チタン酸アルミニウム複合材料及びその製造方法 |
JPH0753281A (ja) * | 1993-08-09 | 1995-02-28 | Harima Ceramic Co Ltd | 高温で安定なチタン酸アルミニウム焼結体 |
JP3388310B2 (ja) * | 1997-08-18 | 2003-03-17 | 勉 福田 | チタン酸アルミニウム粉体及びチタン酸アルミニウム焼結体の製造方法 |
JP2000060983A (ja) * | 1998-08-24 | 2000-02-29 | Nichias Corp | 防火防煙シャッター及びその補修方法並びにその作製方法 |
JP2001114567A (ja) * | 1999-10-14 | 2001-04-24 | Tdk Corp | 誘電体原料の製造方法 |
JP3096814B1 (ja) * | 1999-11-08 | 2000-10-10 | 勉 福田 | チタン酸アルミニウム焼結体の製造方法 |
JP4358480B2 (ja) * | 2001-07-31 | 2009-11-04 | 日本特殊陶業株式会社 | 誘電体磁器 |
KR100592603B1 (ko) * | 2002-05-20 | 2006-06-23 | 엔지케이 스파크 플러그 캄파니 리미티드 | 유전체 자기 |
JP4266109B2 (ja) * | 2002-10-07 | 2009-05-20 | 日本板硝子株式会社 | 封着用ガラスフリット |
CA2500821A1 (en) * | 2002-11-01 | 2004-05-13 | Ohcera Co., Ltd. | Method for producing aluminum magnesium titanate sintered product |
JP5230935B2 (ja) | 2004-04-28 | 2013-07-10 | オーセラ株式会社 | チタン酸アルミニウムマグネシウム結晶構造物及びその製造方法 |
US7071135B2 (en) * | 2004-09-29 | 2006-07-04 | Corning Incorporated | Ceramic body based on aluminum titanate and including a glass phase |
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2009
- 2009-06-17 KR KR1020107026227A patent/KR20110020235A/ko not_active Application Discontinuation
- 2009-06-17 CN CN2009801228633A patent/CN102066287A/zh active Pending
- 2009-06-17 WO PCT/JP2009/061006 patent/WO2009154219A1/ja active Application Filing
- 2009-06-17 EP EP09766667A patent/EP2295388A4/en not_active Withdrawn
- 2009-06-17 JP JP2009144757A patent/JP5122527B2/ja not_active Expired - Fee Related
- 2009-06-17 US US12/994,601 patent/US20110124484A1/en not_active Abandoned
- 2009-06-18 TW TW098120459A patent/TW201010962A/zh unknown
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TW201010962A (en) | 2010-03-16 |
JP2010159197A (ja) | 2010-07-22 |
EP2295388A4 (en) | 2011-11-02 |
CN102066287A (zh) | 2011-05-18 |
KR20110020235A (ko) | 2011-03-02 |
US20110124484A1 (en) | 2011-05-26 |
EP2295388A1 (en) | 2011-03-16 |
WO2009154219A1 (ja) | 2009-12-23 |
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