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    • 3. 发明授权
    • Silicone lens and silicone resin composition for molding lens
    • 硅胶透镜和用于成型镜片的硅树脂组合物
    • US07737194B2
    • 2010-06-15
    • US11785791
    • 2007-04-20
    • Tsutomu KashiwagiToshio Shiobara
    • Tsutomu KashiwagiToshio Shiobara
    • C08L83/04
    • C08L83/04C08G77/12C08G77/16C08G77/20C08G77/70C08G77/80C08K5/56C08L83/00
    • A colorless transparent silicone lens produced by thermally curing a silicone resin composition comprising (A) an organopolysiloxane having a resin structure comprising R1SiO1.5 unit, R22SiO unit, and R3aR4bSiO(4-a-b)/2 unit wherein R1, R2, and R3 are independently methyl group, ethyl group, propyl group, cyclohexyl group, or phenyl group, R4 is vinyl group or allyl group, a is 0, 1, or 2, b is 1 or 2, and a+b is 2 or 3, and wherein number of repetition of the R22SiO unit is 5 to 300, (B) an organohydrogen polysiloxane having a resin structure comprising R1SiO1.5 unit, R22SiO unit, and R3cHdSiO(4-c-d)/2 unit wherein c is 0, 1, or 2, d is 1 or 2, and c+d is 2 or 3, and wherein number of repetition of the R22SiO unit is 5 to 300, the component, and (C) a platinum group catalyst. A silicone lens having excellent flexibility, transparency, and moldability as well as reduced surface tackiness is provided.
    • 通过热固化硅氧烷树脂组合物制得的无色透明硅氧烷透镜,其包含(A)具有包含R1SiO1.5单元,R22SiO单元和R3aR4bSiO(4-ab)/ 2单元的树脂结构的有机聚硅氧烷,其中R1,R2和R3为 乙基,丙基,环己基或苯基,R4为乙烯基或烯丙基,a为0,1或2,b为1或2,a + b为2或3,以及 其中R22SiO单元的重复数为5〜300,(B)具有包含R1SiO1.5单元,R22SiO单元和R3cHdSiO(4-cd)/ 2单元的树脂结构的有机氢聚硅氧烷,其中c为0,1或 2,d为1或2,c + d为2或3,R22SiO单元的重复数为5〜300,该成分为(C)铂族催化剂。 提供了具有优异的柔性,透明性和成型性以及降低的表面粘性的硅氧烷透镜。
    • 10. 发明授权
    • Organopolysilmethylene-siloxane and a cured product thereof
    • 有机聚硅氧烷 - 硅氧烷及其固化物
    • US08497024B2
    • 2013-07-30
    • US12860682
    • 2010-08-20
    • Manabu UenoToshio ShiobaraTsutomu Kashiwagi
    • Manabu UenoToshio ShiobaraTsutomu Kashiwagi
    • B32B9/04
    • C08G77/50C08G77/16C08G77/18C08G77/24C08L83/14Y10T428/31663C08L83/00
    • Organopolysilmethylene-siloxane of the formula (1): wherein each R1 is, independently of one another, an unsubstituted or substituted monovalent hydrocarbon group having 1 to 10 carbon atoms other than an alkenyl group, an alkoxy group, a hydroxy group, and a halogen atom; each R2 is, independently of one another, an unsubstituted or substituted monovalent hydrocarbon group having 1 to 10 carbon atoms other than an alkenyl group, an alkoxy group, a hydroxy group, a halogen atom, and (R1)3SiCH2—, wherein each R3 is, independently of one another, a hydrogen atom and an alkyl group having 1 to 4 carbon atoms; k is an integer of 1 to 100; and n is an integer of 1 to 1000; said organopolysilmethylene-siloxane having, in a molecule, at least two out of alkoxy groups, hydroxy groups, and halogen atoms bonded to one or more silicon atoms.
    • 式(1)的有机聚硅氧烷 - 硅氧烷:其中每个R 1彼此独立地是除烯基,烷氧基,羟基和卤素以外的未取代或取代的碳原子数1〜10的一价烃基 原子; 每个R 2彼此独立地是除烯基,烷氧基,羟基,卤素原子和(R 1)3 SiCH 2 - 以外具有1至10个碳原子的未取代或取代的一价烃基,其中每个R 3 彼此独立地是氢原子和具有1至4个碳原子的烷基; k为1〜100的整数, n为1〜1000的整数。 所述有机聚硅氧烷 - 硅氧烷在分子中具有至少两个烷氧基,羟基和与一个或多个硅原子键合的卤素原子。