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    • 22. 发明授权
    • Mildew resistant organopolysiloxane with hydrolyzable organosilane and
triazolyl compound
    • 具有可水解有机硅烷和三唑基化合物的防霉有机聚硅氧烷
    • US6008290A
    • 1999-12-28
    • US602449
    • 1996-02-16
    • Kei MiyoshiTokuo SatoYoshio Inoue
    • Kei MiyoshiTokuo SatoYoshio Inoue
    • C08K5/3472C08K5/5465C08K5/05C08K5/23C08L83/06
    • C08K5/3472C08K5/5465
    • A room temperature curable mildew resistant organopolysiloxane composition comprises (A) a hydroxyl or hydrolyzable group-containing organopolysiloxane, (B) a hydrolyzable organosilane such as methyltrimethoxysilane, methyltris(methylethylketoxime silane) or vinyltris(methylethylketoxime silane), a partially hydrolyzed product thereof or a mixture of the hydrolyzable organosilane with the partially hydrolyzed product thereof; and (C) a triazolyl group-containing compound such as 2-(4-chlorophenyl)ethyl-.alpha.-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-yl-ethanol. Preferably, the component (B) does not contain aliphatic unsaturation in the molecule, and in this case, the component (B) free of aliphatic unsaturation is used in combination with (B') a hydrolyzable silane such as tetrakis(dimethylketoxime)silane, a partially hydrolyzed product thereof or a mixture of the hydrolyzable silane and the partially hydrolyzed product thereof.
    • 室温可固化防霉有机聚硅氧烷组合物包含(A)含羟基或可水解基团的有机聚硅氧烷,(B)可水解的有机硅烷如甲基三甲氧基硅烷,甲基三(甲基乙基酮肟基硅烷)或乙烯基三(甲基乙基酮肟基硅烷),其部分水解产物或 可水解的有机硅烷与其部分水解产物的混合物; 和(C)含三唑基的化合物如2-(4-氯苯基)乙基-α-(1,1-二甲基乙基)-1H-1,2,4-三唑-1-基 - 乙醇。 优选地,组分(B)在分子中不含有脂族不饱和键,在这种情况下,不含脂族不饱和的组分(B)与(B')可水解硅烷如四(二甲基酮肟)硅烷组合使用, 其部分水解产物或可水解硅烷及其部分水解产物的混合物。
    • 23. 发明授权
    • Thermosetting foamable organopolysiloxane composition and process of
curing the same
    • 热固性发泡有机聚硅氧烷组合物及其固化方法
    • US5900438A
    • 1999-05-04
    • US130106
    • 1998-08-06
    • Kei MiyoshiHironao Fujiki
    • Kei MiyoshiHironao Fujiki
    • C08J9/02
    • C08J9/02C08J2383/04
    • There is provided a thermosetting foamable organopolysiloxane composition comprising (A) an organopolysiloxane with a viscosity of 10-100,000 cSt at 25.degree. C. containing a specified amount of an alkenyl group and/or a hydroxyl group, such as a linear dimethylpolysiloxane blocked with a vinyldimethylsiloxy group or a hydroxydimethylsiloxy group at both terminal ends of the molecular chain and not containing an alkenyl group and a hydroxyl group in the diorganosiloxane repeating unit constituting the backbone chain; (B) an organohydrogenpolysiloxane and/or organohydrogensilane each having at least two hydrogen atoms bonded to silicon atoms in the molecule, such as Me.sub.3 SiO--�SiH(Me)O!.sub.40 --SiMe.sub.3 wherein Me stands for a methyl group or C.sub.6 H.sub.5 SiH.sub.3 ; (C) a compound having an active hydrogen group, such as a hydroxyl group-containing compound, such as alcohols; (D) a platinum catalyst; and (E) an acetylenic alcohol compound. This composition has shelf-stability at normal temperature and can form a foam having homogeneous foam cells in the mass production line including a heating step.
    • 提供了一种热固性可发泡有机聚硅氧烷组合物,其包含(A)在25℃下粘度为10-100,000cSt的有机聚硅氧烷,其含有指定量的烯基和/或羟基,例如用 乙烯基二甲基甲硅烷氧基或羟基二甲基甲硅烷氧基,在构成主链的二有机硅氧烷重复单元中,分子链的两个末端不含有烯基和羟基, (B)各自具有与分子中的硅原子键合的至少两个氢原子的有机氢聚硅氧烷和/或有机氢硅烷,例如Me 3 SiO - [SiH(Me)O] 40-SiMe 3,其中Me表示甲基或C 6 H 5 SiH 3; (C)具有活性氢基的化合物,例如含羟基的化合物,例如醇; (D)铂催化剂; 和(E)炔醇化合物。 该组合物在常温下具有保存稳定性,并且可以在大规模生产线中形成具有均匀泡沫泡沫的泡沫,其包括加热步骤。
    • 24. 发明授权
    • Heat-conductive silicone composition and cured product thereof
    • 导热硅氧烷组合物及其固化产物
    • US08119758B2
    • 2012-02-21
    • US11846862
    • 2007-08-29
    • Ikuo SakuraiNobuaki MatsumotoKei MiyoshiKunihiro Yamada
    • Ikuo SakuraiNobuaki MatsumotoKei MiyoshiKunihiro Yamada
    • C08G77/12C08L83/04C08K3/00C08K5/541C08K5/5419
    • C09J183/04C08G77/045C08G77/18C08G77/20C08K3/22C08K5/56C08L83/00Y10T428/31663
    • Provided is a heat-conductive silicone composition, including: (A) 100 parts by volume of an organopolysiloxane having a specific structure, (B) 0.1 to 50 parts by volume of an organosilicon compound that functions as a wetter and contains a triorganooxysilyl group bonded to one terminal via an alkylene group that may be branched, (C) 100 to 2,500 parts by volume of a heat-conductive filler, and (D) an effective quantity of a curing agent. Also provided is a heat-conductive silicone cured product obtained by curing this composition. The heat-conductive silicone composition, even when filled with a large quantity of a heat-conductive filler in order to provide superior thermal conductivity, exhibits a minimal increase in viscosity or plasticity, and retains favorable handling properties and moldability. The heat-conductive silicone cured product exhibits excellent flexibility even when filled with a large quantity of a heat-conductive filler. Heat generated by a heat-generating electronic component can be dissipated into a heat-radiating component by sandwiching the cured product between the heat-generating electronic component and the heat-radiating component.
    • 提供一种导热性有机硅组合物,其包含:(A)100体积份的具有特定结构的有机聚硅氧烷,(B)0.1〜50体积份作为润湿剂的有机硅化合物,并且含有三有机氧基甲硅烷基键合 通过可以被支链的亚烷基连接到一个末端,(C)100-2,500体积份的导热填料,和(D)有效量的固化剂。 还提供了通过固化该组合物获得的导热硅氧烷固化产物。 即使填充有大量导热填料以提供优异的导热性,导热硅氧烷组合物的粘度或塑性的增加也最小,并保持良好的操作性和成型性。 即使填充有大量的导热性填料,导热性硅酮固化物也具有优异的柔软性。 由发热电子部件产生的热可以通过将固化物夹在发热电子部件和散热部件之间而散发到散热部件中。
    • 27. 发明申请
    • SILICONE ADHESIVE FOR SEMICONDUCTOR ELEMENT
    • 硅胶用于半导体元件
    • US20090258216A1
    • 2009-10-15
    • US12421876
    • 2009-04-10
    • Naoki YAMAKAWAKei MiyoshiToshiyuki OzaiYoshinori Ogawa
    • Naoki YAMAKAWAKei MiyoshiToshiyuki OzaiYoshinori Ogawa
    • B32B7/12C09J183/00C09J183/06
    • H01L33/56C09J183/14
    • A silicone adhesive for a semiconductor element that is suitable as a die bonding material for fixing a light emitting diode chip to a substrate. The adhesive includes (a) an addition reaction-curable silicone resin composition having a viscosity at 25° C. of not more than 100 Pa·s, and yielding a cured product upon heating at 150° C. for 3 hours that has a type D hardness prescribed in JIS K6253 of at least 30, (b) a white pigment powder having an average particle size of less than 1 μm, and (c) a white or colorless and transparent powder having an average particle size of at least 1 μm but less than 10 μm. The adhesive exhibits high levels of concealment, effectively reflects light emitted from the LED chip, and also exhibits favorable chip positioning properties, superior adhesive strength, and excellent durability.
    • 一种用于半导体元件的硅粘合剂,其适合作为用于将发光二极管芯片固定到基板的芯片接合材料。 粘合剂包括(a)在25℃下的粘度不大于100Pa.s的加成反应固化性有机硅树脂组合物,并且在150℃加热3小时时产生固化产物,其具有类型 JIS K6253规定的D硬度为30以上,(b)平均粒径小于1μm的白色颜料粉末,(c)平均粒径为1μm以上的白色或无色透明粉末 但少于10个妈妈。 粘合剂显示出高水平的隐蔽性,有效地反映了从LED芯片发出的光,并且还显示出有利的芯片定位性能,优异的粘合强度和优异的耐久性。