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    • 4. 发明授权
    • Curable composition
    • 可固化组合物
    • US06320010B1
    • 2001-11-20
    • US09462904
    • 2000-03-27
    • Masashi SakaguchiYoshimichi YamanakaHidenari Tsunemi
    • Masashi SakaguchiYoshimichi YamanakaHidenari Tsunemi
    • C08G7720
    • C08L23/02C08K5/5419C08L23/22C08L83/04C08L2666/02C08L83/00
    • By incorporating (A) a saturated hydrocarbon polymer having more than one alkenyl group capable of being hydrosilylated in each molecule and having a molecular weight of 2,000 to 50,000, (B) a component comprising a compound containing more than two silicon atom-bound hydrogen atoms, on average, in each molecule, (C) a compound having, within the molecule, one alkenyl group capable of being hydrosilylated, (D) a compound having, within the molecule, at least two alkenyl groups capable of being hydrosilylated and having a molecular weight less than 2,000, and (E) a hydrosilylation catalyst, a composition having good mechanical characteristics, a high gel fraction and a small heating loss can be obtained. As a result, the invention can provide a composition to secure the uniformity within a wide range of selection not depending on its viscosity, because it is markedly relaxed the restriction on SiH-containing compounds that are curing agents possibly becoming a cause of said insufficient curing.
    • 通过并入(A)具有多于一个能够在每个分子中进行氢化硅烷化的链烯基并且分子量为2,000至50,000的饱和烃聚合物,(B)包含含有多于两个硅原子键合的氢原子的化合物 平均来说,在每个分子中,(C)在分子内具有一个能够被氢化硅烷基化的烯基的化合物,(D)在分子内具有至少两个能够被氢化硅烷化并且具有 分子量小于2,000,和(E)氢化硅烷化催化剂,可以获得具有良好机械特性,高凝胶分数和小的加热损失的组合物。 结果,本发明可以提供一种组合物,以确保在宽范围的选择范围内的均匀性,而不依赖于其粘度,因为显着地松弛了对含有SiH的化合物的限制,这些化合物是可能成为固化不足的原因的固化剂 。
    • 5. 发明授权
    • Process for producing unsaturated group-terminated isobutylene polymer
    • 制备不饱和基团的异丁烯聚合物的方法
    • US5811501A
    • 1998-09-22
    • US671198
    • 1996-06-27
    • Takeshi ChibaHiroshi FujisawaYoshimichi YamanakaYoshikuni DeguchiKazuya Yonezawa
    • Takeshi ChibaHiroshi FujisawaYoshimichi YamanakaYoshikuni DeguchiKazuya Yonezawa
    • C08F2/06C08F10/10
    • C08F10/10Y10S525/918
    • The present invention provides a novel halogen-free solvent system which can produce a good isobutylene polymer and can be easily reused. A novel process for the production of an isobutylene polymer is provided which comprises using a hydrocarbon solvent having a boiling point of not lower than 105.degree. C. and a melting point of not higher than -90.degree. C. Heretofore, a solvent system containing a halogenated hydrocarbon such as methylene chloride has been used for the production of an isobutylene polymer. However, such a solvent system has a great adverse effect on the environment. Therefore, a non-halogenated solvent is desirable. The present invention is characterized by the use of a hydrocarbon solvent as a reaction solvent. The resulting polymer has good properties. Further, compounds which are produced as by-products during the reaction can be easily removed, enabling the recycling of the solvent used. Thus, the production cost can be reduced.
    • 本发明提供了一种新型的无卤素溶剂体系,其可以产生良好的异丁烯聚合物并且可以容易地重复使用。 提供了一种生产异丁烯聚合物的新方法,其包括使用沸点不低于105℃,熔点不高于-90℃的烃溶剂。迄今为止,含有 卤代烃如二氯甲烷已被用于生产异丁烯聚合物。 然而,这种溶剂体系对环境有很大的不利影响。 因此,非卤化溶剂是理想的。 本发明的特征在于使用烃溶剂作为反应溶剂。 所得聚合物具有良好的性能。 此外,可以容易地除去在反应期间作为副产物生成的化合物,使得所用溶剂的再循环。 因此,可以降低生产成本。
    • 8. 发明授权
    • Curable composition
    • 可固化组合物
    • US6087456A
    • 2000-07-11
    • US977741
    • 1997-11-25
    • Masashi SakaguchiYoshimichi YamanakaMakoto ChibaToshihiko OkamotoYuriko AsaiJyunji Takase
    • Masashi SakaguchiYoshimichi YamanakaMakoto ChibaToshihiko OkamotoYuriko AsaiJyunji Takase
    • C08F8/42C08L43/04C08L25/02
    • C08F8/42
    • A curable composition comprising the components (A), (B), (C) and (D), viz.(A) an isobutylene polymer which contains in a molecule, at least one alkenyl group capable of hydrosilylation reaction;(B) a curing agent which contains at least two hydrosilyl groups in a molecule;(C) a hydrosilylation catalyst; and(D) an organic compound which contains in a molecule, at least one alkenyl or alkynyl group capable of hydrosilylation reaction.This composition is excellent in workability because of its low viscosity, and has such advantages that the cured product thereof has large strength and further that the weight loss by heating is small. Since a large amount of an inorganic filler can be blended with this composition, it is possible to obtain a composition having high thixotropy and little sagging.
    • 包含组分(A),(B),(C)和(D)的可固化组合物, (A)在分子中含有至少一个能够进行氢化硅烷化反应的链烯基的异丁烯聚合物; (B)在分子中含有至少两个氢化硅烷基的固化剂; (C)氢化硅烷化催化剂; 和(D)在分子中含有至少一个能够进行氢化硅烷化反应的烯基或炔基的有机化合物。 该组合物由于其低粘度而具有优异的可加工性,并且具有这样的优点,即其固化产物具有较大的强度,进一步减少加热失重。 由于可以将大量的无机填料与该组合物共混,所以可以获得具有高触变性和低流挂性的组合物。