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    • 92. 发明授权
    • Process for preparing a room temperature curing organopolysiloxane
composition
    • 制备室温固化有机聚硅氧烷组合物的方法
    • US5936033A
    • 1999-08-10
    • US770198
    • 1996-12-19
    • Tsuneo KimuraKoji YokooMamoru Teshigawara
    • Tsuneo KimuraKoji YokooMamoru Teshigawara
    • C08K3/36C08K5/05C08K5/06C08K5/54C08K5/548C08L83/04C08L83/06C08L83/08
    • C08L83/04C08K5/06C08G77/16
    • A method for preparing a room temperature curing organopolysiloxane composition having good working properties, which comprises (A) a diorganopolysiloxane having at least two hydroxyl groups bonded to silicon atoms in one molecule, (B) a thixotropy improver, (C) a finely divided silica powder, (D) at least one member selected from organosilanes having two or more ketoxime groups bonded to a silicon atom in one molecule and partial hydrolyzates thereof, (E) a curing catalyst for the condensation curing reaction between (A) and (D) components, and (F) an amine-based silane coupling agent for imparting adhesiveness to the composition, wherein the (A), (B) and (C) components are first mixed, with which the (D) and (E) components are further mixed, and the (F) component is finally added to and mixed with the resultant mixture.
    • 一种制备具有良好加工性能的室温固化有机聚硅氧烷组合物的方法,其包括(A)在一分子中具有至少两个与硅原子键合的羟基的二有机聚硅氧烷,(B)触变性改进剂,(C)细碎二氧化硅 粉末,(D)选自具有两个以上与一个分子中的硅原子键合的酮肟基的有机硅烷和其部分水解产物的至少一种,(E)(A)和(D)之间的缩合固化反应的固化催化剂, 组分,和(F)用于赋予组合物粘合性的胺基硅烷偶联剂,其中首先混合(A),(B)和(C)组分,其中(D)和(E)组分是 进一步混合,最后加入(F)成分并与所得混合物混合。
    • 93. 发明授权
    • Organopolysiloxanes having silethylene linkages and a curable
composition comprising the same
    • 具有亚乙烯基键的有机聚硅氧烷和包含它们的可固化组合物
    • US5357023A
    • 1994-10-18
    • US83387
    • 1993-06-29
    • Yoshio InoueMasatoshi AraiKazutoshi FujiokaTsuneo Kimura
    • Yoshio InoueMasatoshi AraiKazutoshi FujiokaTsuneo Kimura
    • C08G77/50C08L83/14C08G77/20
    • C08L83/14C08G77/50
    • A novel organopolysiloxane compound having, in a molecule, at least one silyl-substituted ethyl group of the general formula ##STR1## in which R.sup.1 is a hydrogen atom or a methyl group, R is a monovalent hydrocarbon group and the subscripts a is 2 or and b is 1, 2 or 3, or a linear organopolysiloxane having, at each molecular chain end, at least one of such a group, can be prepared by first reacting a vinyl-containing organopolysiloxane with a hydrogen chlorosilane compound to effect the hydrosilation reaction between the silicon-bonded vinyl groups and the silicon-bonded hydrogen atoms and then the silicon-bonded chlorine atoms are subjected to a dehydrochlorination reaction with a silanol compound of the general formula ##STR2## A composition comprising the organopolysiloxane and a photopolymerization initiator is highly sensitive to light and readily cured into a rubbery elastomer by irradiation with ultraviolet light.
    • 一种新的有机聚硅氧烷化合物,其在分子中具有至少一个通式为“IMAGE”的甲硅烷基取代的乙基,其中R 1为氢原子或甲基,R为单价烃基,下标a为2或 并且b为1,2或3,或者在各分子链末端具有这种基团中的至少一个的线性有机聚硅氧烷可以通过首先使含乙烯基的有机聚硅氧烷与氢氯硅烷化合物反应来进行氢化硅烷化反应 硅键合的乙烯基和与硅键合的氢原子之间,然后与硅键合的氯原子与通式为的硅烷醇化合物进行脱氯化氢反应。包含有机聚硅氧烷和光聚合引发剂的组合物是高度的 对光敏感,并通过紫外线照射容易地固化成橡胶状弹性体。