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    • 1. 发明授权
    • Room temperature quick curable organopolysiloxane composition excellent
in water resistance
    • 室温快速固化有机聚硅氧烷组合物耐水性优良
    • US5482992A
    • 1996-01-09
    • US328515
    • 1994-10-25
    • Tsuneo KimuraKei MiyoshiMasatoshi Arai
    • Tsuneo KimuraKei MiyoshiMasatoshi Arai
    • C08K5/04C08G65/336C08K5/07C08K5/17C08L71/02C08L83/04C08L83/06C08J3/00C08K3/20C08L83/00C08G77/00
    • C08G65/336C08K5/07
    • A room temperature curable rubber composition of a condensation curing type that comprises as a base polymer a diorganopolysiloxane or a polyoxyalkylene in which both ends of the molecular chain are blocked with a hydrolyzable silyl group, and a .beta.-dicarbonyl compound and an amino group containing organic compound that are blended with the base polymer. Since the room temperature curable rubber composition is cured with water in the air and at the same time the dehydration condensation of the .beta.-carbonyl group and the amino group produces water in the composition, the quick curability and deep curability are improved remarkably. In addition, since this dehydration condensation reaction is an irreversible reaction, the product produced by the condensation dehydration is hydrolyzed to prevent the amino group containing compound from being regenerated, and as a result the hydrophilic nature of the cured product is prevented from increasing not to damage the water resistance.
    • 一种缩合固化型室温可固化橡胶组合物,其包含作为基础聚合物的二有机聚硅氧烷或分子链两端用可水解甲硅烷基封端的聚氧化烯,以及β-二羰基化合物和含氨基的有机物 与基础聚合物共混的化合物。 由于室温固化橡胶组合物在空气中用水固化,同时β-羰基和氨基的脱水缩合在组合物中产生水,因此快速固化性和深度固化性显着提高。 此外,由于该脱水缩合反应是不可逆反应,所以通过缩合脱水生成的产物被水解以防止含氨基化合物再生,结果,防止了固化产物的亲水性增加,不会增加 损坏防水性。
    • 5. 发明授权
    • Foamable organopolysiloxane composition
    • 可发泡有机聚硅氧烷组合物
    • US4987155A
    • 1991-01-22
    • US557824
    • 1990-07-26
    • Yoshio InoueMasatoshi AraiTsuneo Kimura
    • Yoshio InoueMasatoshi AraiTsuneo Kimura
    • C08J9/02C08L83/04
    • C08J9/02C08L83/04C08G77/045C08G77/12C08G77/16C08G77/62C08J2383/04
    • The invention provides a foamable organopolysiloxane composition capable of giving, by foaming and curing at room temperature, a silicone rubber foam of high foaming expansion having very uniform and dense cellular structure. The composition is prepared by a process comprising the steps of: (A) compounding an .alpha.,.omega.-dihydroxy dimethylpolysiloxane with a reinforcing silica filler, hexamethyl disilazane and water as the hydrolysis agent of the silazane to give a compound; (B) removing ammonia in the compound formed by the hydrolysis of the silazane compound as completely as possible; and (C) compounding the compound with a polyhydroxy methylpolysiloxane, an organohydrogenpolysiloxane and a platinum compound as a catalyst for the dehydrogenation reaction between the silanolic hydroxy groups and the silicon-bonded hydrogen atoms to produce hydrogen as the foaming gas.
    • 本发明提供一种可发泡的有机聚硅氧烷组合物,其能够通过在室温下发泡和固化得到具有非常均匀且致密的细胞结构的高发泡膨胀的硅橡胶泡沫。 通过包括以下步骤的方法制备组合物:(A)将α,ω-二羟基二甲基聚硅氧烷与增强二氧化硅填料,六甲基二硅氮烷和水混合,作为硅氮烷的水解试剂,得到化合物; (B)通过尽可能完全地水解硅氮烷化合物形成的化合物中除去氨; 和(C)将化合物与多羟基甲基聚硅氧烷,有机氢聚硅氧烷和铂化合物混合,作为硅烷醇羟基与硅键合的氢原子之间的脱氢反应的催化剂,以产生氢作为发泡气体。
    • 6. 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。