Process for producing polyamide
    51.
    发明授权
    Process for producing polyamide 失效
    生产聚酰胺的方法

    公开(公告)号:US06489435B2

    公开(公告)日:2002-12-03

    申请号:US09764285

    申请日:2001-01-19

    IPC分类号: C08G6902

    CPC分类号: C08G69/28 C08G69/04

    摘要: The improved polyamide production method of the present invention is characterized by including a step of accurately regulating the molar balance between a diamine component and a dicarboxylic acid component to a desired balance in a batch-wise regulation tank, thereby preparing a slurry liquid substantially free from the amidation reaction. The slurry liquid thus prepared is fed to a batch-wise or continuous polymerization reactor, where the amidation reaction is proceeded to easily produce polyamide having a desired balance of the diamine component and the dicarboxylic acid component without causing a problem such as foaming, solidification, etc.

    摘要翻译: 本发明的改进的聚酰胺制备方法的特征在于包括在间歇调节槽中精确地将二胺组分和二羧酸组分之间的摩尔平衡调节至所需平衡的步骤,由此制备基本上不含 酰胺化反应。 将如此制备的浆液加入分批或连续聚合反应器中,其中进行酰胺化反应以容易地生产具有二胺组分和二羧酸组分所需平衡的聚酰胺,而不会引起诸如起泡,固化, 等等

    Method for driving liquid, and method and apparatus for mixing and
agitation employing the method
    54.
    发明授权
    Method for driving liquid, and method and apparatus for mixing and agitation employing the method 失效
    用于驱动液体的方法,以及使用该方法进行混合和搅拌的方法和装置

    公开(公告)号:US5788819A

    公开(公告)日:1998-08-04

    申请号:US926009

    申请日:1997-09-09

    CPC分类号: B01F13/0001 H02K44/04

    摘要: A method for driving an ionic conductive liquid comprises placing a pair of electrodes in the ionic conductive liquid, and exerting an electromagnetic force to the liquid by application of a voltage between the pair of the electrodes to drive the liquid. A method for mixing and agitating a medium comprises feeding the medium to an ionic conductive liquid, placing a pair of electrodes in the ionic conductive liquid, and exerting an electromagnetic force to the liquid by application of a voltage to drive the liquid and to mix and agitate the medium. An apparatus for delivering a liquid comprises a container for housing an ionic conductive liquid, at least one pair of electrodes in the container, and a power source for applying an voltage between the pair of electrodes, the apparatus delivering the liquid from the container by driving the liquid according to the method for driving.

    摘要翻译: 用于驱动离子导电液体的方法包括将一对电极放置在离子导电液体中,并且通过在一对电极之间施加电压来驱动液体,向液体施加电磁力。 用于混合和搅拌介质的方法包括将介质馈送到离子导电液体,将一对电极放置在离子导电液体中,并通过施加电压以驱动液体并混合和施加电磁力给液体, 搅动介质。 用于输送液体的装置包括用于容纳离子导电液体的容器,容器中的至少一对电极和用于在一对电极之间施加电压的电源,该装置通过驱动从容器输送液体 液体按照驾驶方法。

    Hydrophilic material and semipermeable membrane made therefrom
    57.
    发明授权
    Hydrophilic material and semipermeable membrane made therefrom 失效
    亲水材料和由其制成的半透膜

    公开(公告)号:US5480953A

    公开(公告)日:1996-01-02

    申请号:US244555

    申请日:1994-07-27

    摘要: Disclosed is a hydrophilic material characterized in that the material comprises a copolymer composed of a monomer (A) having a polyalkylene oxide unit and a polymerizable carbon-carbon double bond in its molecule, a methacrylic ester monomer or an acrylic ester monomer (B) and a monomer (C) having a polymerizable carbon-carbon double bond other than the monomers (A) and (B), and the content of the monomer (C) is not less than 5% by weight and not more than 90% by weight, and a semipermeable membrane made therefrom. The present invention provides a hydrophilic material which can be dissolved in a solvent, can be easily formed and is excellent in antithrombotic and antifouling properties, and further provides an antithrombotic material and a semipermeable membrane. These materials can be appropriately used in the medical field and as water-absorbent and antifouling materials.

    摘要翻译: PCT No.PCT / JP93 / 01378。 371日期:1994年7月27日 102(e)日期1994年7月27日PCT提交1993年9月28日PCT公布。 公开号WO94 / 07931 日期:1994年4月14日。公开是亲水性材料,其特征在于,该材料包含由分子中具有聚环氧烷单元的单体(A)和可聚合碳 - 碳双键组成的共聚物,甲基丙烯酸酯单体或 丙烯酸酯单体(B)和除单体(A)和(B)以外具有可聚合碳 - 碳双键的单体(C),单体(C)的含量不小于5重量%,和 不大于90重量%,以及由其制成的半透膜。 本发明提供可以溶解在溶剂中的亲水性材料,可以容易地形成,抗血栓性和防污性优异,并且还提供抗血栓形成材料和半透膜。 这些材料可以适用于医疗领域以及作为吸水剂和防污材料。