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    • 1. 发明授权
    • Process for the preparation of polypropylene-b-poly(ethylene-co-propylene)
    • 制备聚丙烯-b-聚(乙烯 - 共 - 丙烯)的方法
    • US06657020B1
    • 2003-12-02
    • US09554762
    • 2000-07-20
    • Minoru TeranoTetsuya MatsukawaHideshi SatakeMasato Takahashi
    • Minoru TeranoTetsuya MatsukawaHideshi SatakeMasato Takahashi
    • C08F201
    • C08F297/083C08F210/16C08F4/6465C08F4/6495
    • A process for preparing polypropylene-b-poly(ethylene-co-propylene) by the use of a tubular continuous polymerizer in the presence of an olefin-polymerizing catalyst comprising a solid catalyst component (1) composed of titanium and halogen; an organosilicon compound (2); and, if necessary, at least one electron-donating compound (3) selected from the group consisting of organosilicon compounds represented by the general formula: RnSi(OR′)4−n (wherein R and R′ are each independently a C1-C10 hydrocarbon group; and n is an integer of 1 to 3) and nitrogenous heterocyclic compounds, wherein the solid catalyst component (1) is preliminarily brought into contact with the organosilicon compound (2) in the presence of the electron-donating compound (3), and then a polypropylene segment is formed through polymerization, followed by formation of a poly(ethylene-co-propylene) segment at the end of the polypropylene segment through polymerization. The process enables efficient preparation of the polymer with a reduced content of inorganic contaminants, even when the polymer is one having a weight-average molecular weight of as high as 100,000 or more.
    • 在包含由钛和卤素组成的固体催化剂组分(1)的烯烃聚合催化剂存在下,通过使用管状连续聚合反应器制备聚丙烯-b-聚(乙烯 - 共 - 丙烯)的方法; 有机硅化合物(2); 和(如果需要)至少一种供体化合物(3),其选自由通式RnSi(OR')4-n表示的有机硅化合物(其中R和R'各自独立地为C1-C10 烃基,n为1〜3的整数)和含氮杂环化合物,其中固体催化剂组分(1)在电子给予化合物(3)的存在下预先与有机硅化合物(2)接触, ,然后通过聚合形成聚丙烯链段,随后通过聚合在聚丙烯部分的末端形成聚(乙烯 - 共 - 丙烯)链段。 该方法即使当聚合物的重均分子量高达100,000或更高时,即可有效地制备具有降低的无机污染物含量的聚合物。
    • 9. 发明申请
    • MIXER
    • 混合器
    • US20140043086A1
    • 2014-02-13
    • US14114365
    • 2012-09-07
    • Yuji KakinumaMasato Takahashi
    • Yuji KakinumaMasato Takahashi
    • H03D7/16
    • H03D7/16H01L43/08H03D7/00
    • A frequency converter, capable of obtaining resonance characteristics having a high Q factor and a high multiplication signal and having a narrow-band frequency selectivity function, is provided by the following configuration. A magnetoresistance effect element includes a pinned magnetization layer, a free magnetization layer, and a non-magnetic spacer layer disposed between the pinned magnetization layer and the free magnetization layer. In response to an input of a high frequency signal and a local signal, the magnetoresistance effect element generates a voltage signal (multiplication signal) by multiplying the signals by each other using a magnetoresistance effect. A magnetic field generated by a magnetic-field applying unit is applied to the free magnetization layer of the magnetoresistance effect element in a direction perpendicular to a film surface direction or by tilting an angle of the magnetic field from the film surface direction toward a direction perpendicular to the film surface direction.
    • 通过以下配置提供能够获得具有高Q因子和高乘法信号并具有窄带频率选择性功能的谐振特性的变频器。 磁阻效应元件包括钉扎磁化层,自由磁化层和设置在钉扎磁化层和自由磁化层之间的非磁性间隔层。 响应于高频信号和本地信号的输入,磁阻效应元件通过使用磁阻效应将信号彼此相乘产生电压信号(乘法信号)。 由磁场施加单元产生的磁场在垂直于膜表面方向的方向上施加到磁阻效应元件的自由磁化层上,或者通过使磁场从膜表面方向的角度向垂直方向倾斜 到膜表面方向。