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    • 1. 发明授权
    • Surface-coated optical fiber
    • 表面光纤
    • US4697877A
    • 1987-10-06
    • US709036
    • 1985-03-06
    • Yoshinori HidaNoriyuki MeguriyaAkira Yoshida
    • Yoshinori HidaNoriyuki MeguriyaAkira Yoshida
    • C03C25/24C03C25/10C08G77/442C09D183/04C09D201/02G02B6/44G02B6/16
    • C08G77/442C03C25/106Y10T428/2962
    • The surface-coated optical fiber of the invention is composed of a fibrous body of a vitreous material, e.g. fused quartz glass, and a coating layer thereon formed of a coating composition comprising an organosiloxane-modified organic polymer, of which the backbone is formed of recurring organic units such as a polybutadiene, an acrylic polymer and the like having modifying pendant groups containing an organosiloxane unit. The workability of the coating composition in the coating application is excellent so that a high uniformity is obtained in the coating layer in comparison with a coating composition comprising an unmodified organic polymer. The coating layer thus formed has a remarkably improved mechanical strength over a coating layer formed of an organopolysiloxane resin alone.
    • 本发明的表面被覆光纤由玻璃质材料的纤维体构成,例如, 熔融石英玻璃及其上的涂层由包含有机硅氧烷改性的有机聚合物的涂料组合物形成,所述有机硅氧烷改性的有机聚合物的主链由诸如聚丁二烯的重复有机单元形成,具有包含有机硅氧烷的改性侧基的丙烯酸类聚合物等 单元。 涂料组合物在涂布应用中的可加工性是优异的,因此与包含未改性的有机聚合物的涂料组合物相比,在涂层中获得高均匀性。 如此形成的涂层相对于仅由有机聚硅氧烷树脂形成的涂层而言具有显着提高的机械强度。
    • 8. 发明授权
    • Novel organopolysiloxane, method for the preparation thereof and
composition containing the same
    • 新型有机聚硅氧烷,其制备方法和含有它们的组合物
    • US4683320A
    • 1987-07-28
    • US878002
    • 1986-06-24
    • Yoshinori HidaShohei Kozakai
    • Yoshinori HidaShohei Kozakai
    • C08G77/00C08G77/06C08G77/20C08G77/22C08L83/04C07F7/08
    • C08G77/20C08L83/04C08G77/12C08G77/16C08G77/26C08G77/28
    • In the alkenyl-containing diorganopolysiloxane of the invention, the distribution of the alkenyl groups in the molecule is not random as in conventional alkenyl-containing diorganopolysiloxanes but each of at least three siloxane units linked to each of the terminal silicon atoms has an alkenyl, e.g. vinyl, group while at least six of the uninterruptedly linked siloxane units excepting the above mentioned alkenyl-containing units adjacent to the molecular chain ends are free from aliphatic unsaturation. A method for the preparation of the diorganopolysiloxane having the alkenyl groups in such a localized distribution is disclosed. When the diorganopolysiloxane is used as the principal ingredient of a curable organopolysiloxane composition as combined with a crosslinking agent, the composition, despite its relatively low viscosity, can give a cured rubber having markedly improved mechanical strengths.
    • 在本发明的含链烯基的二有机聚硅氧烷中,分子中链烯基的分布不像常规的含链烯基的二有机聚硅氧烷那样是无规的,但是每个末端硅原子连接的至少三个硅氧烷单元中的每一个都具有链烯基。 乙烯基,而除上述与分子链末端相邻的含烯基单元之外的至少六个不间断连接的硅氧烷单元不含脂族不饱和基团。 公开了一种在这种局部分布中制备具有烯基的二有机聚硅氧烷的方法。 当二有机聚硅氧烷用作可交联有机聚硅氧烷组合物与交联剂组合的主要成分时,组合物尽管具有较低的粘度,但可以得到具有明显改善的机械强度的固化橡胶。