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公开(公告)号：US09073755B2
公开(公告)日：2015-07-07
申请号：US13820384
申请日：2011-08-31
IPC分类号： C01B21/072
CPC分类号： C01B21/0726 , C01B21/072 , C01P2004/03 , C01P2004/32 , C01P2004/61 , C01P2006/12 , C04B35/581 , C04B35/6265 , C04B2235/3208 , C04B2235/422 , C04B2235/424 , C04B2235/425 , C04B2235/528 , C04B2235/5296 , C04B2235/5409 , C04B2235/5436 , C04B2235/723 , C04B2235/725 , C04B2235/726 , C04B2235/761 , Y10T428/2982
摘要： [Problems]To provide a spherical aluminum nitride powder that features high thermal conductivity and filling property, and that is useful as a filler for a heat radiating material, and a method of producing the same.[Means for Solution]A spherical aluminum nitride powder comprising aluminum nitride particles having an average particle diameter of 3 to 30 μm, a sphericalness of not less than 0.75, and an oxygen content of not more than 1% by weight wherein, when the average particle diameter is d (μm), the specific surface area S (m2/g) satisfies the following formula (1), (1.84/d)≦S≦(1.84/d+0.5) (1).
摘要翻译： [问题]提供一种具有高导热性和填充性的球形氮化铝粉末，其可用作散热材料的填料及其制造方法。 [解决方案]包含平均粒径为3〜30μm，球面度为0.75以上，氧含量为1重量％以下的氮化铝粒子的球形氮化铝粉末，其中，当平均粒径 粒径为d（μm），比表面积S（m2 / g）满足下式（1），（1.84 / d）＆nlE; S＆nlE;（1.84 / d + 0.5）（1）。
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公开(公告)号：US09090469B2
公开(公告)日：2015-07-28
申请号：US13823017
申请日：2011-09-27
IPC分类号： C01B21/072 , C01F17/00
CPC分类号： C01B21/072 , C01B21/0726 , C01F17/0025 , C01P2002/54 , C01P2002/77 , C01P2004/03 , C01P2004/32 , C01P2004/54 , C01P2004/61 , C01P2006/32 , C01P2006/80 , C04B35/581 , C04B35/6265 , C04B35/6268 , C04B2235/3224 , C04B2235/3225 , C04B2235/422 , C04B2235/528 , C04B2235/5296 , C04B2235/5409 , C04B2235/5436 , C04B2235/725 , C04B2235/726 , C04B2235/761 , Y10T428/2982
摘要： To provide a method of producing a spherical aluminum nitride powder which has a large thermal conductivity and excellent filling property, and is useful as a filler for heat-radiating materials.[Means for Solution] The spherical aluminum nitride powder is produced by reductively nitriding a mixture of 100 parts by mass of an alumina or an alumina hydrate, 0.5 to 30 parts by mass of a rare earth metal compound and 38 to 46 parts by mass of a carbon powder at a temperature of 1620 to 1900° C. for not less than 2 hours.
摘要翻译： 提供一种具有导热性大，填充性优良的球形氮化铝粉末的制造方法，可用作散热材料的填料。 [解决方案]球形氮化铝粉末通过将100质量份氧化铝或氧化铝水合物，0.5〜30质量份稀土金属化合物和38〜46质量份的稀土金属化合物的混合物进行还原性氮化而制造， 碳粉末，温度为1620〜1900℃，时间不少于2小时。
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公开(公告)号：US20130244036A1
公开(公告)日：2013-09-19
申请号：US13989902
申请日：2011-11-30
IPC分类号： C01B21/072
CPC分类号： C01B21/0726 , C01P2002/77 , C01P2004/03 , C01P2004/32 , C01P2004/61 , C01P2006/32 , C01P2006/80 , C04B35/581 , C04B2235/3225 , C04B2235/528 , C04B2235/5436 , C04B2235/72 , C04B2235/726 , Y10T428/2982
摘要： [Problem] To provide a method of producing aluminum nitride that has high conducting property and can be excellently filled and is useful as a filler for heat-radiating materials, and an aluminum nitride powder obtained by the same method.[Means for Solution] An aluminum nitride powder is produced by reducing and nitriding: an alumina powder or a hydrated alumina powder having a primary grain size of 0.001 to 6 μm; and a powder of a compound containing a rare earth metal element and having an average grain size in a range of 2 μm to 80 μm, the average grain size being not less than 6 times as great as the primary grain size of the alumina powder or the hydrated alumina powder; in the presence of a carbon powder at a temperature of 1620° C. to 1900° C. for not less than 2 hours.
摘要翻译： [问题]提供一种具有高导电性并且可以充分填充并可用作散热材料的填料的氮化铝的制造方法，以及通过相同的方法获得的氮化铝粉末。 [解决方案]通过还原氮化生产氮化铝粉末：一次粒径为0.001〜6μm的氧化铝粉末或水合氧化铝粉末; 和含有稀土元素的化合物的粉末，其平均粒径在2μm〜80μm的范围内，平均粒径不小于氧化铝粉末的一次粒径的6倍以上，或 水合氧化铝粉末; 在碳粉的存在下，在1620℃至1900℃的温度下进行不少于2小时。
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公开(公告)号：US20130171451A1
公开(公告)日：2013-07-04
申请号：US13823017
申请日：2011-09-27
IPC分类号： C01B21/072
CPC分类号： C01B21/072 , C01B21/0726 , C01F17/0025 , C01P2002/54 , C01P2002/77 , C01P2004/03 , C01P2004/32 , C01P2004/54 , C01P2004/61 , C01P2006/32 , C01P2006/80 , C04B35/581 , C04B35/6265 , C04B35/6268 , C04B2235/3224 , C04B2235/3225 , C04B2235/422 , C04B2235/528 , C04B2235/5296 , C04B2235/5409 , C04B2235/5436 , C04B2235/725 , C04B2235/726 , C04B2235/761 , Y10T428/2982
摘要： To provide a method of producing a spherical aluminum nitride powder which has a large thermal conductivity and excellent filling property, and is useful as a filler for heat-radiating materials.[Means for Solution] The spherical aluminum nitride powder is produced by reductively nitriding a mixture of 100 parts by mass of an alumina or an alumina hydrate, 0.5 to 30 parts by mass of a rare earth metal compound and 38 to 46 parts by mass of a carbon powder at a temperature of 1620 to 1900° C. for not less than 2 hours.
摘要翻译： 提供一种具有导热性大，填充性优良的球形氮化铝粉末的制造方法，可用作散热材料的填料。 [解决方案]球形氮化铝粉末通过将100质量份氧化铝或氧化铝水合物，0.5〜30质量份稀土金属化合物和38〜46质量份的稀土金属化合物的混合物进行还原性氮化而制造， 碳粉末，温度为1620〜1900℃，时间不少于2小时。
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公开(公告)号：US20130164534A1
公开(公告)日：2013-06-27
申请号：US13820384
申请日：2011-08-31
IPC分类号： C01B21/072
CPC分类号： C01B21/0726 , C01B21/072 , C01P2004/03 , C01P2004/32 , C01P2004/61 , C01P2006/12 , C04B35/581 , C04B35/6265 , C04B2235/3208 , C04B2235/422 , C04B2235/424 , C04B2235/425 , C04B2235/528 , C04B2235/5296 , C04B2235/5409 , C04B2235/5436 , C04B2235/723 , C04B2235/725 , C04B2235/726 , C04B2235/761 , Y10T428/2982
摘要： [Problems]To provide a spherical aluminum nitride powder that features high thermal conductivity and filling property, and that is useful as a filler for a heat radiating material, and a method of producing the same.[Means for Solution]A spherical aluminum nitride powder comprising aluminum nitride particles having an average particle diameter of 3 to 30 μm, a sphericalness of not less than 0.75, and an oxygen content of not more than 1% by weight wherein, when the average particle diameter is d (μm), the specific surface area S (m2/g) satisfies the following formula (1), (1.84/d)≦S≦(1.84/d+0.5) (1)
摘要翻译： [问题]提供一种具有高导热性和填充性的球形氮化铝粉末，其可用作散热材料的填料及其制造方法。 [解决方案]一种球形氮化铝粉末，其包含平均粒径为3〜30μm，球面度为0.75以上，氧含量为1重量％以下的氮化铝粒子，其中，当平均粒径 粒径为d（mum），比表面积S（m2 / g）满足下式（1），（1.84 / d）@ S（1.84 / d + 0.5）（1）
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公开(公告)号：US09056774B2
公开(公告)日：2015-06-16
申请号：US13989902
申请日：2011-11-30
IPC分类号： C01B21/072
CPC分类号： C01B21/0726 , C01P2002/77 , C01P2004/03 , C01P2004/32 , C01P2004/61 , C01P2006/32 , C01P2006/80 , C04B35/581 , C04B2235/3225 , C04B2235/528 , C04B2235/5436 , C04B2235/72 , C04B2235/726 , Y10T428/2982
摘要： [Problem] To provide a method of producing aluminum nitride that has high conducting property and can be excellently filled and is useful as a filler for heat-radiating materials, and an aluminum nitride powder obtained by the same method.
摘要翻译： [问题]提供一种具有高导电性并且可以充分填充并可用作散热材料的填料的氮化铝的制造方法，以及通过相同的方法获得的氮化铝粉末。
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