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    • 3. 发明申请
    • METHOD OF ADHERING SILICONE BASE MATERIAL TO A SUBSTRATE
    • 将硅酮基材料粘合到基材上的方法
    • WO2017191322A1
    • 2017-11-09
    • PCT/EP2017/060838
    • 2017-05-05
    • DOW CORNING CORPORATIONDIMITROVA, TatianaGUBBELS, FredericDETEMMERMAN, TommyCHAMBARD, Gregory
    • DIMITROVA, TatianaGUBBELS, FredericDETEMMERMAN, TommyCHAMBARD, Gregory
    • C09J183/04C08L83/04
    • There is provided a method of adhering a substantially cured or fully cured silicone based material to a substrate surface wherein said substantially cured or fully cured silicone based material is obtained by curing a condensation curable composition comprising: (I) at least one condensation curable silyl terminated polymer having at least one, typically at least 2 hydrolysable and/or hydroxyl functional groups per molecule; (II) a cross-linker selected from the group of silanes having at least 2 hydrolysable groups, alternatively at least 3 hydrolysable groups per molecule group; and/or silyl functional molecules having at least 2 silyl groups, each silyl group containing at least one hydrolysable group and (III) a condensation catalyst selected from the group of titanates, zirconates characterized in that: the molar ratio of hydroxyl and/or hydrolysable groups in polymer (i) to hydrolysable groups from (ii) is between 0.1 :1 and 4:1 and the molar ratio of M-OR functions to the sum of moisture present in the formulation and hydroxyl and/or hydrolysable groups in polymer (i) is comprised between 0.01 :1 and 0.6:1, where M is titanium or zirconium; by applying a reactive interlayer to a surface of the substrate and applying pressure to sandwich the reactive interlayer between said silicone based material surface and the substrate surface and thereby causing chemically bonding of said silicone based material to said substrate.
    • 提供了一种将基本固化或完全固化的基于有机硅的材料粘附到基材表面的方法,其中所述基本固化或完全固化的基于有机硅的材料通过固化缩合可固化组合物而获得,所述可缩合固化组合物包含: )至少一种缩合可固化的甲硅烷基封端的聚合物,其每分子具有至少一个,通常至少2个可水解和/或羟基官能团; (II)选自具有至少2个可水解基团,或每个分子组至少3个可水解基团的硅烷的交联剂; 和/或具有至少2个甲硅烷基,每个甲硅烷基含有至少一个可水解基团的甲硅烷基官能分子和(III)选自钛酸盐,锆酸盐的缩合催化剂,其特征在于:羟基和/或可水解 (ii)中的可水解基团与聚合物(ii)中可水解基团之间的摩尔比为0.1:1至4:1,且M-OR官能团与制剂中存在的水分和聚合物中羟基和/或可水解基团之和 i)包含在0.01:1和0.6:1之间,其中M是钛或锆; 通过将反应性中间层施加到基材的表面并施加压力以将活性中间层夹在所述基于硅氧烷的材料表面和基材表面之间,从而使所述基于硅氧烷的材料化学结合到所述基材上。