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    • 2. 发明申请
    • Thermally Conductive Silicone Rubber Composition
    • 导热硅橡胶组合物
    • US20120292558A1
    • 2012-11-22
    • US13574830
    • 2011-01-20
    • Harumi KodamaMasayuki OnishiRyo SakaguchiKazumi Nakayoshi
    • Harumi KodamaMasayuki OnishiRyo SakaguchiKazumi Nakayoshi
    • C09K5/00
    • H01L23/296C08G77/20C08L83/04H01L2924/0002H01L2924/09701C08L83/00H01L2924/00
    • A thermally conductive silicone rubber composition comprises: (A) an organopolysiloxane that contains at least two silicon-bonded alkenyl groups in each molecule, that does not contain silicon-bonded hydroxyl and alkoxy groups, and that has a content of cyclic siloxanes having from 4 to 20 siloxane units of not more than 1,000 ppm in mass units; (B) an organopolysiloxane that contains at least two silicon-bonded hydrogen atoms in each molecule and that does not contain silicon-bonded alkenyl, hydroxyl group, and alkoxy groups; (C) an adhesion promoter; (D) a thermally conductive filler; and (E) a hydrosilylation reaction catalyst; wherein the total quantity of components (B) and (C) is from 0.5 to 10 mass % of the total quantity of components (A), (B), and (C). The composition is characterized by reduced oil fraction that bleeds out during the course of curing, and by reduced low-boiling fraction that volatilizes during the course of curing.
    • 导热硅橡胶组合物包含:(A)在每个分子中含有至少两个硅键合的烯基的有机聚硅氧烷,其不含硅键合的羟基和烷氧基,并且具有含有4个 至20个以质量计不超过1000ppm的硅氧烷单元; (B)在每个分子中含有至少两个与硅键合的氢原子并且不含硅键合的烯基,羟基和烷氧基的有机聚硅氧烷; (C)粘合促进剂; (D)导热填料; 和(E)氢化硅烷化反应催化剂; 其中组分(B)和(C)的总量为组分(A),(B)和(C)总量的0.5至10质量%。 组合物的特征在于在固化过程中渗出的油馏分减少,以及在固化过程中挥发挥发的低沸点馏分的降低。
    • 8. 发明授权
    • Room-temperature-curable organopolysiloxane composition
    • 室温可固化的有机聚硅氧烷组合物
    • US07550548B2
    • 2009-06-23
    • US11765811
    • 2007-06-20
    • Hidekatsu HatanakaHarumi KodamaMasayuki OnishiHiroji EnamiKoji Nakanishi
    • Hidekatsu HatanakaHarumi KodamaMasayuki OnishiHiroji EnamiKoji Nakanishi
    • C08G77/04
    • C08K5/0025C08G77/045C08G77/06C08G77/12C08G77/16C08G77/18C08G77/24C08G77/70C08K3/016C08K5/0066C08K9/10C08L83/04Y10S528/901C08L83/00C08L2666/54C08L2666/52C08L2666/44
    • A room-temperature-curable organopolysiloxane composition comprising: (A) 100 parts by weight of an organopolysiloxane having a viscosity of from 100 to 500,000 mPa·s at 25° C. and having in one molecule 1.5 or more end groups represented by the general formula: (X)aR13-aSi—, where each X is independently a hydroxyl group or a hydrolyzable group, each R1 is independently a monovalent hydrocarbon group or a halogen-substituted monovalent hydrocarbon group, and a is 1, 2, or 3; (B) 0.01 to 40 parts by weight of a cross-linking agent selected from a silane or a siloxane oligomer where the cross-linking agent has three or more silicon-bonded hydrolyzable groups per molecule; and (C) microparticles of thermoplastic resin containing a platinum compound in such an amount that the content of metallic platinum in component (C) is within the range of 0.01 to 5 wt. %, where the microparticles have an average diameter from 0.1 to 20 μm, component (C) is present in an amount sufficient to provide 1 to 2,000 ppm of metallic platinum in the composition; and (D) 5 to 300 parts by weight of an inorganic powder.
    • 一种室温可固化的有机基聚硅氧烷组合物,其包含:(A)100重量份在25℃下粘度为100至500,000mPa.s并且在一个分子中具有由一般分子表示的1.5个或更多个端基的有机聚硅氧烷 公式:<?in-line-formula description =“In-line Formulas”end =“lead”?>(X)aR13-aSi-,其中<?in-line-formula description =“In-line Formulas”end = “尾”→“X”各自独立地为羟基或可水解基团,每个R 1独立地为一价烃基或卤素取代的一价烃基,a为1,2或3; (B)0.01〜40重量份选自硅烷或硅氧烷低聚物的交联剂,其中交联剂每分子具有三个或更多个硅键合的可水解基团; 和(C)含有铂化合物的热塑性树脂微粒的量使得组分(C)中金属铂的含量在0.01至5重量%的范围内。 %,其中微粒的平均直径为0.1-20μm,组分(C)的存在量足以在组合物中提供1至2,000ppm的金属铂; 和(D)5〜300重量份的无机粉末。
    • 9. 发明授权
    • Room-temperature curable organopolysiloxane composition
    • 室温可固化的有机聚硅氧烷组合物
    • US08247516B2
    • 2012-08-21
    • US12739343
    • 2008-10-06
    • Akiko NabetaMasayuki OnishiYoshito Ushio
    • Akiko NabetaMasayuki OnishiYoshito Ushio
    • C08L83/04
    • C08L83/04C08G77/18C08K5/0091C08K5/5419C08L2666/52C08L2666/44
    • A room-temperature curable organopolysiloxane composition comprising: (A) a diorganopolysiloxane capped at both molecular terminals with trialkoxysilyl groups and having viscosity of 100 to 1,000,000 mPas at 25° C.; (B) a diorganodimethoxysilane or a partially hydrolyzed product thereof; (C) a diorganodialkoxysilane having silicon-bonded alkoxy group with two or more carbon atoms or a partially hydrolyzed product thereof; and (D) a titanium chelate catalyst, exhibits excellent storage stability and easiness of controlling curing speed as well as by strong adhesion to a substrate with which this composition is in contact during curing along with the possibility of interfacial peeling of the cured product from the aforementioned substrate.
    • 一种室温可固化的有机基聚硅氧烷组合物,其包含:(A)在两个分子末端用三烷氧基甲硅烷基封端的二有机聚硅氧烷,并且在25℃下具有100至1,000,000mPas的粘度; (B)二有机二甲氧基硅烷或其部分水解产物; (C)具有硅键合的具有两个或更多个碳原子的烷氧基的二有机二烷氧基硅烷或其部分水解产物; 和(D)钛螯合催化剂,表现出优异的储存稳定性和控制固化速度的容易性,以及通过对固化期间该组合物接触的基材的强粘合性以及固化产物的界面剥离的可能性 上述基材。