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    • 4. 发明公开
    • 유무기 복합 전해질막, 그 제조방법 및 연료전지
    • 有机无机混合电解质膜,其制造方法和燃料电池
    • KR1020110119264A
    • 2011-11-02
    • KR1020100038875
    • 2010-04-27
    • 광주과학기술원
    • 문승현이재영우중제서석준윤성현
    • H01M8/10H01M8/02C08J5/22C08G77/00
    • Y02P20/149Y02P70/56
    • PURPOSE: An organic-inorganic hybrid electrolyte membrane is provided to prevent the leakage of inorganic particles in the operation of a fuel cell, to effectively reduce fuel penetration, to improve ion conductivity and to maintain excellent performance in a high temperature/low humidification condition. CONSTITUTION: An organic-inorganic hybrid electrolyte membrane comprises: a polymer(12) having an ion exchange group(10) and inorganic particles(16) which are chemically bonded with the polymer and have the ion exchange group. A method for preparing the organic-inorganic hybrid electrolyte membrane comprises the steps of: preparing an organic membrane containing the polymer having the ion exchange group; absorbing an inorganic particle precursor having the ion exchange group to the organic membrane; and bonding a polymer(14) having the ion exchange group with the inorganic particle precursor having the ion exchange group using a sol-gel reaction, and inorganic particle precursors having the ion exchange group.
    • 目的:提供一种有机 - 无机混合电解质膜,以防止在燃料电池的操作中无机颗粒的泄漏,有效地降低燃料渗透,提高离子传导性并在高温/低加湿条件下保持优异的性能。 构成:有机 - 无机混合电解质膜包括:具有离子交换基团(10)的聚合物(12)和与聚合物化学键合并具有离子交换基团的无机颗粒(16)。 制备有机 - 无机混合电解质膜的方法包括以下步骤:制备含有具有离子交换基团的聚合物的有机膜; 将具有离子交换基团的无机颗粒前体吸附到有机膜上; 以及使用溶胶 - 凝胶反应将具有离子交换基团的聚合物(14)与具有离子交换基团的无机粒子前体键合,以及具有离子交换基团的无机粒子前体。
    • 8. 发明公开
    • 타이로시네이즈 효소 전극 및 이를 형성하는 방법
    • 酪氨酸酶酶电极及其形成方法
    • KR1020080090242A
    • 2008-10-08
    • KR1020070058286
    • 2007-06-14
    • 광주과학기술원
    • 문승현김가영심준목강민수
    • C12Q1/25C12Q1/00B82B3/00
    • G01N33/5438C12Q1/001G01N2610/00H01M4/9008H01M8/16Y02E60/527Y02P70/56
    • A tyrosinase enzyme electrode is provided to improve detection limit by introducing metal nanoparticles into the enzyme electrode, and induce activation of tyrosinase enzyme by introducing a substrate into the enzyme electrode, so that the enzyme electrode is useful for detecting remaining agricultural chemicals. A tyrosinase enzyme electrode comprises a substrate(100), a metal nanoparticle layer(120) formed on the substrate, a buffer layer(140) formed on the metal nanoparticle layer to form a self-assembled monolayer for fixing the tyrosinase, and a tyrosinase(160) formed on the buffer layer, wherein the metal nanoparticles are present in a separated particle type and include gold, silver, copper, palladium or platinum; the tyrosinase is immobilized on the self-assembled monolayer with a coupling agent with diimide group. A method for forming the tyrosinase enzyme electrode comprises the steps of: forming a metal nanoparticle layer on the substrate; forming a buffer layer on the metal nanoparticle layer; and fixing the tyrosinase on the buffer layer by introducing a coupling agent. Further, the substrate is made of glassy carbon.
    • 提供了一种酪氨酸酶酶电极,通过将金属纳米粒子引入酶电极来提高检测限,并通过向酶电极引入底物来诱导酪氨酸酶的活化,从而使酶电极可用于检测剩余的农药。 酪氨酸酶酶电极包括基底(100),形成在基底上的金属纳米颗粒层(120),形成在金属纳米颗粒层上以形成用于固定酪氨酸酶的自组装单层的缓冲层(140)和酪氨酸酶 (160),其中所述金属纳米颗粒以分离的颗粒类型存在并且包括金,银,铜,钯或铂; 将酪氨酸酶用二酰亚胺基团偶联剂固定在自组装单层上。 形成酪氨酸酶酶电极的方法包括以下步骤:在基底上形成金属纳米颗粒层; 在金属纳米颗粒层上形成缓冲层; 并通过引入偶联剂将酪氨酸酶固定在缓冲层上。 此外,基板由玻璃碳制成。
    • 10. 发明授权
    • 전기탈이온 장치용 이온교환섬유
    • 전기탈이온장치용이온교환섬유
    • KR100454093B1
    • 2004-10-26
    • KR1020020009927
    • 2002-02-25
    • 광주과학기술원
    • 문승현최용진연경호
    • B01D71/44B01D61/44D01F6/46
    • PURPOSE: An ion exchange textile which is easily handled compared to conventional ion exchange resin used as ion conductive spacer and has very high ion removal efficiency by having non-crosslinking bond, thereby increasing overall specific surface area, rate constant and permeability coefficient. CONSTITUTION: The ion exchange textile for electrodeionization process is characterized in that it is obtained by graft polymerizing a monomer having ion exchange group onto polyolefin based textile irradiated by radiation, wherein the ion exchange textile has overall rate constant (k) of 140 to 150 h¬-1 and permeability coefficient of 17,000 to 19,000 L/hr·m·atm, wherein density of the polyolefin based textile is 0.2 to 0.6 g/cm¬3, wherein the total amount of radioactive rays is 10 to 100 kGy, and wherein the monomer having ion exchange group is selected from sodium sulfonic acid derivative, potassium sulfonic acid derivative, vinylbenzyl trimethyl ammonium chloride, vinylbenzyl triethyl ammonium chloride, vinylbenzyl chloride, vinylbenzyl pyridinium chloride, and vinylbenzyl pyridinium bromide.
    • 目的:与用作离子导电间隔物的常规离子交换树脂相比,易于处理的离子交换织物,并且由于具有非交联键而具有非常高的离子去除效率,由此增加总比表面积,速率常数和渗透系数。 构成:用于电去离子过程的离子交换织物的特征在于它是通过将具有离子交换基团的单体接枝聚合到辐射辐照的聚烯烃基织物上而获得的,其中离子交换织物具有140至150小时的总速率常数(k) ; -1和17,000至19,000L / hr& m& midm; atm的渗透系数,其中聚烯烃基织物的密度为0.2至0.6g / cm 3;其中放射性射线的总量为10至100 kGy,并且其中具有离子交换基团的单体选自磺酸钠衍生物,磺酸钾衍生物,乙烯基苄基三甲基氯化铵,乙烯基苄基三乙基氯化铵,乙烯基苄基氯,乙烯基苄基吡啶鎓氯化物和乙烯基苄基吡啶鎓溴化物。