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    • 3. 发明授权
    • Silicone rubber composition
    • 硅橡胶组合物
    • US4771099A
    • 1988-09-13
    • US121226
    • 1987-11-16
    • Kunio ItohTakeo YoshidaMasaharu Takahashi
    • Kunio ItohTakeo YoshidaMasaharu Takahashi
    • C08K3/36C07C409/38C08K5/14C08K5/5419C08L83/04C08L83/07C08G77/06
    • C08K5/14C08K5/5419
    • The silicone rubber composition of the invention comprises, as the peroxide curing agent, a neopentane diol derivative represented by the general formulaR.sup.1 --O--O--CO--O--CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --O--CO--O--O--R.sup.2,in which R.sup.1 and R.sup.2 are each, independently from the other, a monovalent hydrocarbon group having 3 to 10 carbon atoms or a silyl group of the general formula --SiR.sup.3.sub.3, R.sup.3 being a methyl, ethyl or phenyl group, such as trimethyl silyl, in admixture with a diorganopolysiloxane and a reinforcing silica filler. By virtue of this unique formulation, the silicone rubber composition is suitable for hot-air vulcanization without compression as in the vulcanization process by extrusion molding followed by heating in a hot-air oven.
    • 本发明的硅橡胶组合物包含作为过氧化物固化剂的由通式R 1 -O O-CO-O-CH 2 -C(CH 3)2 -CH 2 -O-CO-OO-R 2表示的新戊二醇衍生物, 其中R1和R2各自独立地为具有3-10个碳原子的一价烃基或通式-SiR33的甲硅烷基,R3是甲基,乙基或苯基,例如三甲基甲硅烷基,在三 与二有机聚硅氧烷和增强二氧化硅填料混合。 凭借这种独特的配方,硅橡胶组合物适用于无压缩的热空气硫化,如硫化过程中的挤出成型,然后在热空气烘箱中加热。
    • 5. 发明授权
    • Method for surface priming in adhesive bonding
    • 粘合剂中表面起泡的方法
    • US4617078A
    • 1986-10-14
    • US697792
    • 1985-02-04
    • Masaharu TakahashiYuji TokushigeKunio Itoh
    • Masaharu TakahashiYuji TokushigeKunio Itoh
    • C08L83/08C08G77/00C08G77/28C08G77/48C08J5/12C08L83/00C08L83/02C08L83/16C09D183/04C09J5/00C09J5/02C09J183/00C09J183/16
    • C09J183/16
    • The invention provides a novel method for surface priming when adhesive bonding is desired between a rubber, e.g. silicone rubber, and a substrate of a material such as a metal or plastic resin. The inventive method is performed by use of a primer composition of which the principal ingredient is an organosilicon polymer hitherto not used for such a purpose. The organosilicon polymer is represented by the average unit formula R.sub.a Six.sub.4-a, in which R is a monovalent hydrocarbon group, X is a divalent atom or group selected from the class consisting of an oxygen atom, an imino group, alkylene groups and a phenylene group and a is a positive number of 0.2 to 1.8, at least one of the hydrocarbon groups denoted by R in a molecule being aliphatically unsaturated and at least 10% by moles of the groups denoted by X in a molecule being the imino groups. This primer composition has good workability and gives adhesive bonding capable of withstanding a prolonged heat treatment in a dry condition or by dipping in a hot oil such as a silicone fluid.
    • 本发明提供了一种新型的表面起动方法,当在橡胶之间需要粘合时,例如, 硅橡胶,以及诸如金属或塑料树脂的材料的基材。 本发明的方法通过使用主要成分是迄今未用于此目的的有机硅聚合物的底漆组合物进行。 有机硅聚合物由平均单元式RaSix4-a表示,其中R是一价烃基,X是选自氧原子,亚氨基,亚烷基和亚苯基的二价原子或基团 a为0.2〜1.8的正数,分子中由R表示的至少一个烃基为脂族不饱和,分子中由X表示的基团的至少10摩尔%为亚氨基。 该底漆组合物具有良好的可加工性,并且能够提供能够在干燥条件下经受长时间热处理或通过浸入诸如硅酮流体的热油中的粘合剂粘结。