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    • 1. 发明申请
    • METHOD FOR SYNTHESIS OF BUTYL RUBBER
    • 合成丁基橡胶的方法
    • US20090286948A1
    • 2009-11-19
    • US12307121
    • 2007-07-20
    • Jian-Feng ChenHua GaoYi-Xian WuHai-Kui ZouGuang-Wen ChuLei Zhang
    • Jian-Feng ChenHua GaoYi-Xian WuHai-Kui ZouGuang-Wen ChuLei Zhang
    • C08F236/08
    • C08F210/12B01J19/1806C08F236/08C08F2500/21C08F2500/01
    • This invention puts forward a process of preparing butyl rubber. High gravity devices are used as polymerization reactor. The mixture of isomonoolefin and conjugated diolefin monomers and the diluent, and the mixture of the initiator and diluent are pumped at a certain ratio into a high-gravity reactor to conduct cationic polymerization in the high-gravity environment. After polymerization, the monomers and the diluent are removed from the product to obtain butyl rubber polymers with number-average molecular weight of 80000˜300000 and molecular weight distribution index of 1.9˜3.6. The high gravity polymerization method of this invention can tremendously intensify micro-mixing, mass transfer and heat transfer in the reaction. Compared to the conventional stirred polymerization method, this invention features small reactor volume, at least 30-fold shorter residence time of substances in the high gravity reactor, low cost, low energy consumption and high production efficiency.
    • 本发明提出了制备丁基橡胶的方法。 高重力装置用作聚合反应器。 将异麦烯烃和共轭二烯烃单体和稀释剂的混合物,引发剂和稀释剂的混合物以一定的比例泵送到高重力反应器中以在高重力环境中进行阳离子聚合。 聚合后,从产物中除去单体和稀释剂,得到数均分子量为80000〜300000,分子量分布指数为1.9〜3.6的丁基橡胶聚合物。 本发明的高重力聚合方法可以极大地加强反应中的微混合,传质和传热。 与常规的搅拌聚合方法相比,本发明具有反应器体积小,物料在高重力反应器中停留时间缩短至少30倍,成本低,能耗低,生产效率高的优点。
    • 2. 发明授权
    • Method for synthesis of butyl rubber
    • 丁基橡胶的合成方法
    • US07776976B2
    • 2010-08-17
    • US12307121
    • 2007-07-20
    • Jian-Feng ChenHua GaoYi-Xian WuHai-Kui ZouGuang-Wen ChuLei Zhang
    • Jian-Feng ChenHua GaoYi-Xian WuHai-Kui ZouGuang-Wen ChuLei Zhang
    • C08F2/01C08F236/08B01J8/10B01J8/12B01J8/38
    • C08F210/12B01J19/1806C08F236/08C08F2500/21C08F2500/01
    • This invention puts forward a process of preparing butyl rubber. High gravity devices are used as polymerization reactor. The mixture of isomonoolefin and conjugated diolefin monomers and the diluent, and the mixture of the initiator and diluent are pumped at a certain ratio into a high-gravity reactor to conduct cationic polymerization in the high-gravity environment. After polymerization, the monomers and the diluent are removed from the product to obtain butyl rubber polymers with number-average molecular weight of 80000˜300000 and molecular weight distribution index of 1.9˜3.6. The high gravity polymerization method of this invention can tremendously intensify micro-mixing, mass transfer and heat transfer in the reaction. Compared to the conventional stirred polymerization method, this invention features small reactor volume, at least 30-fold shorter residence time of substances in the high gravity reactor, low cost, low energy consumption and high production efficiency.
    • 本发明提出了制备丁基橡胶的方法。 高重力装置用作聚合反应器。 将异麦烯烃和共轭二烯烃单体和稀释剂的混合物,引发剂和稀释剂的混合物以一定的比例泵送到高重力反应器中以在高重力环境中进行阳离子聚合。 聚合后,从产物中除去单体和稀释剂,得到数均分子量为80000〜300000,分子量分布指数为1.9〜3.6的丁基橡胶聚合物。 本发明的高重力聚合方法可以极大地加强反应中的微混合,传质和传热。 与常规的搅拌聚合方法相比,本发明具有反应器体积小,物料在高重力反应器中停留时间至少缩短30倍,成本低,能耗低,生产效率高的优点。
    • 5. 发明授权
    • Ratchet screwdriver and construction method
    • 棘轮螺丝刀及施工方法
    • US08109181B2
    • 2012-02-07
    • US11795963
    • 2006-05-19
    • Hua Gao
    • Hua Gao
    • B25B13/46
    • B25B15/04B25B13/463
    • A ratchet screwdriver with an assembly of a handle (10), a body (17), a gear (56), a pawl (21, 22, 71), and a selector (27) movable on the assembly. The selector carries a pawl actuator (38, 81) for pivoting the pawl, and there is a rotation lock (42, 92) on the selector for releasably holding the rotated selector. The selector can be axially, and also rotationally, movable on the body for controlling the lock. The assembly is along an axis (A), and there are a member (44) and axial force appliers (62, 64) effective between the body and the member, thus restricting axial movement in the assembly. There is provision for assembly along the axis from adjacent the handle. There are modifications and an assembly method.
    • 一种具有手柄(10),主体(17),齿轮(56),棘爪(21,22),以及可在组件上移动的选择器(27)的组件的棘轮螺丝刀。 选择器承载用于枢转棘爪的棘爪致动器(38,81),并且在选择器上存在旋转锁定件(42,92),用于可释放地保持旋转的选择器。 选择器可以轴向地并且也可旋转地在主体上移动以控制锁定。 组件沿轴线(A),并且在主体和构件之间存在有效的构件(44)和轴向施力器(62,64),从而限制组件中的轴向运动。 从轴的相邻处提供组装。 有修改和装配方法。
    • 7. 发明申请
    • Torque limiting driver and assembly
    • 扭矩限制驱动器和组装
    • US20080087515A1
    • 2008-04-17
    • US11725923
    • 2007-03-20
    • Hua Gao
    • Hua Gao
    • F16D21/00
    • B25B15/02B25B23/141B25B23/1427
    • A torque-limiting driver. The driver comprises a handle having a housing, a drive assembly located the housing. The drive assembly comprises a drive, a drive clutch member supported by the drive shaft and secured to the housing, a camming clutch member supported by the drive shaft and interacting with and biased against the drive clutch member. The camming clutch member is coupled to the drive shaft. The housing has a first open end and a second open end. The drive assembly is locked or secured together at the first open end, and the drive assembly is connected to a tool at the second opening.
    • 限位驱动器。 驾驶员包括具有壳体的手柄,位于壳体的驱动组件。 驱动组件包括驱动器,由驱动轴支撑并固定到壳体上的驱动离合器构件,由驱动轴支撑并与驱动离合器构件相互作用并偏压驱动离合器构件的凸轮离合器构件。 凸轮离合器构件联接到驱动轴。 壳体具有第一开口端和第二开口端。 驱动组件在第一开口端处被锁定或固定在一起,并且驱动组件在第二开口处连接到工具。