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    • 2. 发明申请
    • PROCESS FOR PRODUCING POROUS POLYMER MEMBRANE AND COMPOSITE POLYMER MEMBRANE
    • 用于生产多孔聚合物膜和复合聚合物膜的方法
    • WO1989008679A1
    • 1989-09-21
    • PCT/JP1989000239
    • 1989-03-07
    • RIKAGAKU KENKYUSHOKYOWA HAKKO KOGYO CO., LTD.FURUKAWA, TakeoINABA, Yukio
    • RIKAGAKU KENKYUSHOKYOWA HAKKO KOGYO CO., LTD.
    • C08J09/28
    • C08J9/28C08J2201/05C08J2201/0542
    • Composite membranes of liquid crystal and/or dye and a polymer are expected to have various functions in addition to electro-optical effects and non-linear optical effects of the starting substances, and are promising as various industrial materials. Liquid crystal-polymer composite membranes produced by conventional processes do not have fully satisfactory electric and optical properties because the diameters of the low-molecular functional compounds and their distribution are nonuniform. A process for producing a porous polymer membrane by evaporating a solvent from a polymer solution containing water and alcohol according to this invention provides a porous polymer membrane having pores of a uniform size uniformly distributed therein. Furthermore a process for producing a composite membrane according to this invention comprises filling the pores of the porous polymer membrane with low-molecular functional compounds such as liquid crystal or dye to obtain a composite membrane wherein the low-molecular functional compoumd is uniformly distributed in a uniform size. In addition, in the case of producing the porous polymer membrane, the size of the pore of the polymer membrane can be controlled by controlling humidity of a highly humid environment or the amount of water in the polymer solution. Fixed membranes with excellent electric and optical properties can be obtained by providing electrodes in the composite membrane obtained by filling a low-molecular functional compound such as liquid crystal or dye in the pores of the obtained porous polymer membrane.
    • 预期液晶和/或染料和聚合物的复合膜除了起始物质的电光效应和非线性光学效应之外还具有各种功能,并且作为各种工业材料是有希望的。 通过常规方法制备的液晶聚合物复合膜由于低分子官能化合物的直径及其分布不均匀而不具有令人满意的电和光学性质。 通过根据本发明从含有水和醇的聚合物溶液中蒸发溶剂来生产多孔聚合物膜的方法提供了具有均匀分布在其中的尺寸均匀的孔的多孔聚合物膜。 此外,根据本发明的复合膜的制造方法包括用液晶或染料等低分子官能化合物填充多孔聚合物膜的孔,得到复合膜,其中低分子官能化合物均匀分布在 均匀尺寸。 此外,在制造多孔聚合物膜的情况下,可以通过控制高湿度环境的湿度或聚合物溶液中的水量来控制聚合物膜的孔的尺寸。 通过在通过在所得多孔聚合物膜的孔中填充液晶或染料等低分子官能化合物而得到的复合膜中设置电极,可以得到电气和光学特性优异的固定膜。
    • 3. 发明专利
    • RADIO WAVE AUXILIARY AMPLIFYING OUTPUT REPEATER FOR PORTABLE TELEPHONE
    • JPH10178376A
    • 1998-06-30
    • JP19267196
    • 1996-06-18
    • NISHI HIROAKIFURUKAWA TAKEO
    • CHO GYOKUKI
    • H04B5/02H04B7/15H04B7/26
    • PROBLEM TO BE SOLVED: To allow receiving and originating radio wave to be selected and to automatically flow to a receiving circuit or to flow from an originating circuit by the same antenna by fixing a transmission/reception switch at the contact point of an external receiving and originating antenna and a receiving and originating circuit. SOLUTION: A radio wave call-originated by a base station is received by an external antenna, passes through a connector extended from a repeater 1 through an antenna wire, and flows to a receiving circuit by the transmission/ reception switch 14. Then the flow of the radio wave amplified by an amplifier 11 is connected to the antenna of a portable telephone equipment with a clipper by the connectors 2 and 10 of the portable telephone equipment, flows to the receiving circuit of the portable telephone equipment, and then flows to the amplifier of a call originating circuit 12 by the switch 14, and the radio wave set to be prescribed output flows to the switch 14 connected to the external antenna, passes through the connectors 2 and 10 and flows to the external antenna to be originated.