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    • 4. 发明授权
    • Curable silicone composition
    • 可固化硅酮组合物
    • US08691910B2
    • 2014-04-08
    • US12671388
    • 2008-07-30
    • Chiichiro HasegawaMakoto YoshitakeHiroshi Akitomo
    • Chiichiro HasegawaMakoto YoshitakeHiroshi Akitomo
    • C08L83/07
    • C08L83/04C08G77/12C08G77/20C09D183/04C08L83/00
    • A curable silicone composition comprising: an alkenyl-containing organopolysiloxane (A) that contains: a dialkylpolysiloxane (A-1) having on average at least 2 alkenyl groups in one molecule having a 25° C. viscosity in the range of 5,000 to 35,000 mPa·s, and a alkenyl-containing organopolysiloxane resin (A-2) consisting of SiO4/2 units, R12R2SiO1/2 units, and R13SiO1/2 units (where R1 designates alkyl groups with 1 to 10 carbon atoms, and R2 designates alkenyl groups) with the content of alkenyl groups ranging from 3.5 to 5.0 mass %, and with the ratio of the sum of the mole numbers of the R12R2SiO1/2 units and R13SiO1/2 units to 1 mole of the SiO4/2 units in the range from 0.5 to 1.4; an organopolysiloxane (B), wherein silicon-bonded hydrogen atoms are in an amount of at least 0.7 mass %; and a hydrosilylation catalyst (C). The composition is capable of forming a flex-resistant highly transparent cured silicone product with non-tacky surface.
    • 一种可固化的有机硅组合物,其包含:含烯基的有机聚硅氧烷(A),其含有:在一分子中平均具有至少2个烯基的二烷基聚硅氧烷(A-1),其粘度在25〜35,000mPa s和由SiO 4/2单元组成的含烯基的有机聚硅氧烷树脂(A-2),R12R2SiO1 / 2单元和R13SiO1 / 2单元(其中R1表示具有1-10个碳原子的烷基,R2表示烯基 ),烯基的含量范围为3.5〜5.0质量%,R12R2SiO1 / 2单元和R13SiO1 / 2单元的摩尔数相对于1摩尔SiO 4/2单元的比例为 0.5〜1.4; 有机聚硅氧烷(B),其中与硅键合的氢原子的量为至少0.7质量%; 和氢化硅烷化催化剂(C)。 该组合物能够形成具有非粘性表面的耐挠曲高透明固化硅氧烷产品。
    • 7. 发明授权
    • Curable silicone composition and cured product therefrom
    • 可固化硅酮组合物及其固化产物
    • US08309652B2
    • 2012-11-13
    • US11912631
    • 2006-04-27
    • Yoshitsugu MoritaMinoru IsshikiHiroshi Ueki
    • Yoshitsugu MoritaMinoru IsshikiHiroshi Ueki
    • C08L83/04
    • C08L83/06C08K3/08C08L83/04C09D183/06C08L83/00
    • A curable silicone composition comprising: (A) an organopolysiloxane that is represented by the average unit formula: (R13SiO1/2)a(R22SiO2/2)b(R3SiO3/2)c(SiO4/2)d (wherein R1, R2, and R3 are each independently selected from substituted or unsubstituted monovalent hydrocarbon groups and epoxy-functional monovalent organic groups, with the proviso that at least 20 mole % of R3 are aryl groups, and a, b, c, and d are numbers that satisfy 0≦a≦0.8, 0≦b≦0.8, 0.2≦c≦0.9, 0≦d
    • 一种可固化有机硅组合物,其包含:(A)由平均单元式表示的有机聚硅氧烷:(R 13 SiO 1/2)a(R 22 SiO 2/2)b(R 3 SiO 3/2)c(SiO 4/2)d(其中R 1,R 2, 和R 3各自独立地选自取代或未取代的单价烃基和环氧官能的一价有机基团,条件是至少20摩尔%的R 3是芳基,a,b,c和d是满足0&nlE的数 ; a&nlE; 0.8,0和nlE; b&nlE; 0.8,0.2&nlE; c&nlE; 0.9,0&amp; nlE; d <0.8,a + b + c + d = 1),并且具有至少两个上述环氧官能单价有机 每个分子中的基团; (B)具有能够与环氧基反应的基团的化合物; (C)固化促进剂; 和(D)导热填料,具有优异的处理特性,并快速固化,得到高导热性,非常柔性,高粘合性和非常阻燃的固化产物。
    • 9. 发明授权
    • Silicone rubber powder and method of manufacturing thereof
    • 硅橡胶粉及其制造方法
    • US08217122B2
    • 2012-07-10
    • US12675508
    • 2008-08-19
    • Yoshitsugu MoritaKazuo KobayashiKen Tanaka
    • Yoshitsugu MoritaKazuo KobayashiKen Tanaka
    • C08J3/24C08G77/12
    • C08K5/5435C08G77/12C08G77/16C08J3/24C08J3/26C08J2383/04C08K5/57C08L83/04C08L83/00
    • A silicone rubber powder obtained by curing a condensation-curable silicone rubber composition in a dispersed state in water, having an epoxy equivalent measured by a titration method equal to or lower than 3,000 and an average particle size in the range of 0.1 to 100 μm; and a method of manufacturing a silicone rubber powder comprising the steps of dispersing in water a silicone rubber composition comprising at least components (A) through (C) listed below; adding component (D); and curing the mixture: (A) a diorganopolysiloxane capped at both molecular terminals with silanol groups and having in one molecule 30 or less silicon atoms; (B) an organopolysiloxane having in one molecule at least two silicon-bonded hydrogen atoms; (C) an epoxy-containing alkoxysilane; and (D) a condensation-reaction catalyst. The silicone rubber powder has low epoxy equivalent and possesses excellent dispersibility in organic resins, and the method is efficient in manufacturing of the aforementioned powder.
    • 将分散状态的可缩合固化硅橡胶组合物在水中固化,通过滴定法测定的环氧当量为3000以下,平均粒径为0.1〜100μm的方法得到的硅橡胶粉末; 和一种制造硅橡胶粉末的方法,包括以下步骤:在水中分散包含至少包含以下列出的组分(A)至(C)的硅橡胶组合物; 添加组分(D); 并固化该混合物:(A)在两个分子末端用硅烷醇基封端并且在一个分子中具有30个或更少硅原子的二有机聚硅氧烷; (B)在一个分子中具有至少两个与硅键合的氢原子的有机聚硅氧烷; (C)含环氧基的烷氧基硅烷; 和(D)缩合反应催化剂。 硅橡胶粉末具有低环氧当量,并且在有机树脂中具有优异的分散性,并且该方法在制备上述粉末中是有效的。
    • 10. 发明授权
    • Curable organopolysiloxane composition and cured product thereof
    • 可固化的有机聚硅氧烷组合物及其固化产物
    • US08178642B2
    • 2012-05-15
    • US12935079
    • 2009-03-11
    • Yoshitsugu MoritaMichitaka Suto
    • Yoshitsugu MoritaMichitaka Suto
    • C08G77/12C08G77/04C08L83/04
    • C08G77/50C08L83/14C08L83/00
    • A curable organopolysiloxane composition comprising: (A) a solvent-soluble organopolysiloxane obtained by conducting a hydrosilylation reaction between (i) an organopolysiloxane represented by the following average structural formula: RaSiO(4-a)/2 (wherein R1 represents a substituted or non-substituted monovalent hydrocarbon group, the content of alkenyl groups in all groups represented by R1 is within the range of 0.1 to 40 mole %, and ‘a’ is a positive number that satisfies the following condition: 1≦a
    • 一种可固化的有机基聚硅氧烷组合物,其包含:(A)通过在(i)由以下平均结构式表示的有机聚硅氧烷:RaSiO(4-a)/ 2(其中R1表示取代或未取代的) - 取代的单价烃基,由R1表示的所有基团中的链烯基的含量在0.1〜40摩尔%的范围内,'a'为满足以下条件的正数:1&nlE; a <2),以及 (ii)由以下通式表示的二有机聚硅氧烷:HR22Si(R22SiO)nR22SiH(其中R2表示可以相同或不同且不含不饱和脂肪键的取代或未取代的一价烃基,'n'是整数范围 0至1,000),反应在(iii)氢化硅烷化催化剂存在下进行; (B)由以下平均结构式表示的有机氢聚硅氧烷:R2bHcSiO(其中R2与上述定义相同,'b'和'c'是满足以下条件的正数:0.7&nlE; b&nlE; 2.1; 0.001&nlE ; c&nlE; 1.0;和0.8&nlE;(b + c)&nlE; 2.6); 和(C)氢化硅烷化催化剂; 适用于形成具有有利的弹性模量的固化产物。