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    Aluminum nitride powder and thermally conductive grease composition using the same
    4.
    发明授权
    Aluminum nitride powder and thermally conductive grease composition using the same 有权
    氮化铝粉末和使用其的导热油脂组合物

    公开(公告)号：US6136758A

    公开(公告)日：2000-10-24

    申请号：US209455

    申请日：1998-12-11

    申请人： Kunihiro Yamada ,  Takayuki Takahashi ,  Kenichi Isobe

    发明人： Kunihiro Yamada ,  Takayuki Takahashi ,  Kenichi Isobe

    IPC分类号： C01B21/072 ,  C10M113/16 ,  C10M169/00 ,  C10M169/02 ,  C10M107/50

    CPC分类号： C10M169/02 ,  C01B21/0728 ,  C10M113/16 ,  C10M169/00 ,  C10M2201/0613 ,  C10M2201/0616 ,  C10M2201/0626 ,  C10M2227/045 ,  C10N2210/02 ,  C10N2210/03 ,  C10N2250/10 ,  C10N2260/00

    摘要： An aluminum nitride powder having the surface treated with an organosilane represented by formula, R.sup.I.sub.a R.sup.II.sub.b SiY.sub.4-1-b, and/or a partial hydrolysis condensate thereof to acquire excellent moisture-proof, wherein R.sup.I represents a 6-20C alkyl group or a group formed by substituting halogen atom or atoms for part or all of the hydrogen atoms attached to carbon atoms of the 6-20C alkyl group, R.sup.II represents a 1-20C hydrocarbon group or a group formed by substituting halogen atom or atoms for part or all of the hydrogen atoms attached to carbon atoms of the 1-20C hydrocarbon group, Y represents a hydrolyzable group, a is an integer of 1 to 3 and b is an integer of 0 to 2, provided that a+b is an integer of 1 to 3; and a thermally conductive grease composition comprising (A) 50-95 weight % of the aforementioned surface-treated aluminum nitride powder and (B) 5 to 50 weight % of at least one base oil selected from the group consisting of liquid silicones, liquid hydrocarbons and fluorohydrocarbon oils, and further, if desired, (C) 0-30 weight % of a thicknener selected from the group consisting of zinc oxide, alumina, boron nitride and silicon carbide powders.

    摘要翻译： 具有用式表示的有机硅烷表面处理的氮化铝粉末，RIaRIIbSiY4-1-b和/或其部分水解缩合物，以获得优异的防湿性，其中RI表示6-20C烷基或由 用卤原子或原子取代与6-20C烷基的碳原子连接的部分或全部氢原子，RII表示1-20C的烃基或通过用卤原子或原子取代部分或全部氢 附着于1-20C烃基的碳原子的原子，Y表示可水解基团，a表示1〜3的整数，b表示0〜2的整数，条件是a + b为1〜3的整数。 和导热性润滑脂组合物，其包含（A）50-95重量％的上述表面处理的氮化铝粉末和（B）5至50重量％的至少一种基础油，其选自液体硅酮，液体烃 和氟代烃油，并且如果需要，（C）0-30重量％的选自氧化锌，氧化铝，氮化硼和碳化硅粉末的增稠剂。

    Thermally conductive silicone composition
    5.
    发明授权
    Thermally conductive silicone composition 有权
    导热硅胶组合物

    公开(公告)号：US6114429A

    公开(公告)日：2000-09-05

    申请号：US153334

    申请日：1998-09-15

    申请人： Kunihiro Yamada ,  Takayuki Takahashi ,  Kenichi Isobe

    发明人： Kunihiro Yamada ,  Takayuki Takahashi ,  Kenichi Isobe

    IPC分类号： C08L83/04 ,  H01B1/04

    CPC分类号： C08L83/04 ,  C08G77/12 ,  C08G77/14 ,  C08G77/16 ,  C08G77/20 ,  C08G77/24 ,  C08G77/26 ,  C08G77/46 ,  C08G77/70

    摘要： A thermally conductive silicone composition which comprises (A) 5 to 30 weight % of a liquid silicone, (B) 50 to 94.98 weight % of at least one thickener selected from the group consisting of a zinc oxide powder, an aluminum powder, an aluminum nitride powder, a boron nitride powder and a silicon carbide powder, (C) 0.01 to 10 weight % of an organopolysiloxane having at least one per molecule of hydroxyl group attached directly to a silicon atom, and (D) 0.01 to 10 weight % of an alkoxysilane, thereby retainining satisfactory thermal conductive properties and hardly causing oil bleeding over a long time.

    摘要翻译： 一种导热硅氧烷组合物，其包含（A）5至30重量％的液体硅氧烷，（B）50至94.98重量％的至少一种增稠剂，其选自氧化锌粉末，铝粉末，铝 氮化物粉末，氮化硼粉末和碳化硅粉末，（C）0.01〜10重量％的每分子羟基至少一个羟基直接与硅原子连接的有机聚硅氧烷，（D）0.01〜10重量％ 烷氧基硅烷，从而保持令人满意的导热性能，并且长时间难以引起油渗出。

    Silicone grease composition
    6.
    发明授权
    Silicone grease composition 有权
    硅油组合物

    公开(公告)号：US06255257B1

    公开(公告)日：2001-07-03

    申请号：US09453469

    申请日：1999-12-02

    申请人： Kunihiro Yamada ,  Takayuki Takahashi ,  Kenichi Isobe

    发明人： Kunihiro Yamada ,  Takayuki Takahashi ,  Kenichi Isobe

    IPC分类号： C10M10750

    CPC分类号： C10M169/02 ,  C10M169/00 ,  C10M2201/061 ,  C10M2201/0613 ,  C10M2201/062 ,  C10M2201/087 ,  C10M2201/10 ,  C10M2229/04 ,  C10M2229/0405 ,  C10N2210/02 ,  C10N2210/03 ,  C10N2220/021 ,  C10N2220/082 ,  C10N2240/00 ,  C10N2250/10

    摘要： A silicone grease composition having high thermal conductivity, comprising (A) 50 to 95 weight % of a mixture of an aluminum nitride powder &agr; having an average particle size of 0.5 to 5 &mgr;m and an aluminum nitride powder &bgr; having an average particle size of 6 to 20 &mgr;m, wherein the aluminum nitride powders &agr; and &bgr; are mixed so that the &agr;/(&agr;+&bgr;) ratio by weight is from 0.1 to 0.9 and the average particle size after mixing is from 1 to 10 &mgr;m, (B) 5 to 15 weight % of organopolysiloxanes having a viscosity of from 50 to 50,000 cs at 25° C. and represented by formula R1aSiO(4−a)/2, wherein R1 represents at least one group selected from saturated or unsaturated univalent hydrocarbon groups containing 1 to 18 carbon atoms and 1.8≦a≦2.2, and (C) 0 to 35 weight % of at least one inorganic compound powder having an average particle size of 0.5 to 100 &mgr;m selected from the group consisting of zinc oxide, alumina, boron nitride and silicon carbide powders.

    摘要翻译： 一种具有高导热性的硅氧烷润滑脂组合物，其包含（A）50至95重量％的平均粒度为0.5至5μm的氮化铝粉末α和平均粒径为6的氮化铝粉末β的混合物 至20微米，其中将氮化铝粉末α和β混合，使得α/（α+β）重量比为0.1至0.9，混合后的平均粒度为1至10微米，（B）5 至15重量％的有机聚硅氧烷，其在25℃下具有50至50,000cs的粘度并由式R 1a SiO（4-a）/ 2表示，其中R 1表示选自饱和或不饱和的一价烃基中的至少一个基团， 至18个碳原子和1.8 <= a <= 2.2，和（C）0-35重量％的至少一种平均粒度为0.5-100微米的无机化合物粉末，选自氧化锌，氧化铝， 氮化硼和碳化硅粉末。