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    • 11. 发明授权
    • Process for producing chlorosulfonated polyolefin in presence of olefin
    • 烯烃存在下生产氯化聚烯烃的方法
    • US5212254A
    • 1993-05-18
    • US686385
    • 1991-04-17
    • Yoshiaki IshidaKatsushige Okayama
    • Yoshiaki IshidaKatsushige Okayama
    • C08F8/20C08F8/34
    • C08F8/20C08F8/34
    • A process for producing a chlorinated polyolefin is disclosed, which comprises dissolving or suspending a polyolefin in a solvent and conducting chlorination reaction of the dissolved or suspended polyolefin, said solvent being a chloroform-based solvent comprising a mixture of 100 parts by weight of chloroform containing no alcohol and from 0.0005 to 15 parts by weight of a compound having from 4 to 10 carbon atoms and containing one or more double bonds per molecule. A process for producing a chlorosulfonated polyolefin is also disclosed, which comprises dissolving or suspending a polyolefin in a solvent and conducting chlorination and chlorosulfonation reaction of the dissolved or suspended polyolefin, said solvent being a chloroform-based solvent comprising a mixture of 100 parts by weight of chloroform containing no alcohol and from 0.0005 to 15 parts by weight of a compound having from 4 to 10 carbon atoms and containing one or more double bonds per molecule.
    • 公开了一种生产氯化聚烯烃的方法,其包括将聚烯烃溶解或悬浮在溶剂中并进行溶解或悬浮的聚烯烃的氯化反应,所述溶剂是氯仿基溶剂,其包含100重量份的含氯仿 不含醇和0.0005至15重量份的具有4至10个碳原子且每分子含有一个或多个双键的化合物。 还公开了制备氯磺化聚烯烃的方法,其包括将聚烯烃溶解或悬浮在溶剂中并进行溶解或悬浮的聚烯烃的氯化和氯磺化反应,所述溶剂是氯仿基溶剂,其包含100重量份的混合物 不含醇的氯仿和0.0005〜15重量份的具有4〜10个碳原子的化合物,每分子含有一个或多个双键。
    • 12. 发明授权
    • Tunnel driving method
    • 隧道驾驶方法
    • US5090325A
    • 1992-02-25
    • US718306
    • 1991-06-17
    • Takeo SaitoYoshiaki IshidaNobuyuki FukunagaMutsuhiko KimuraYasuo Metoki
    • Takeo SaitoYoshiaki IshidaNobuyuki FukunagaMutsuhiko KimuraYasuo Metoki
    • E21D9/00
    • E21D9/00
    • A tunnel driving method using a drill carriage provided with plural number of drill booms having drifters. According to a preferred embodiment, while the drill carriage is placed before a bench, the charging cages are moved to mark blasting holes and rock bolt holes for an upper portion. While the drill carriages are moved backward with a predetermined length, the charging cages are moved to insert the rock bolts for the upper portion. Simultaneously, the charging cages are operated in a lower portion to bore blasting holes for the lower portion. Then, the charging cages are operated to charge the blasting holes for the upper portion and the lower portion with dynamite for blasting so that the facing is broken and a new facing is formed. Subsequently, after first and second operation of concrete shooting, the above continuous operation is performed repeatedly.
    • 一种隧道驱动方法,其使用具有多个具有漂移器的钻杆的钻台。 根据优选实施例,当钻台架放置在工作台之前,充电笼移动以标记用于上部的喷砂孔和岩石螺栓孔。 当钻架以预定长度向后移动时,移动充电笼以插入用于上部的岩石螺栓。 同时,充电笼在下部操作以对下部钻孔。 然后,对充电保持架进行操作,用用于爆破的炸药对上部和下部的喷孔充电,使得面部破裂并形成新的面。 随后,在混凝土射击的第一次和第二次操作之后,重复执行上述连续操作。