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    • 3. 发明授权
    • Microporous membrane and method for providing the same
    • 微孔膜及其提供方法
    • US06540953B1
    • 2003-04-01
    • US09554625
    • 2000-05-17
    • Sang-Young LeeMyung-Man KimHeon-Sik Song
    • Sang-Young LeeMyung-Man KimHeon-Sik Song
    • B01D6700
    • B01D67/009B01D67/0027B01D67/003B01D67/0093B01D71/26B01D2323/08B01D2323/34B01D2325/36B26F1/31B29C59/16B29C2035/0872H01M2/1653
    • A method of producing a microporous membrane comprising the steps of: extruding a polymer at a temperature of from (polymer melting point +10° C.) to (polymer melting point +100° C.); drawing the extruded polymer at a rate of 5˜120 m/min in 10˜150° C. to obtain a polymer film; annealing the polymer film at a temperature of from (polymer melting point −100° C.) to (polymer melting point −5° C.) for 10 seconds to 1 hour; irradiating both surfaces of the annealed polymer film with an ion-particle amount of 102˜1020 ion/cm2 energized at 10−2˜107 KeV, at an irradiating distance of 5˜100 cm under a vacuum of 10−2˜10−[torr; cold stretching the irradiated polymer film at a temperature of from −20° C. to (polymer melting point −40° C.); hot stretching the cold stretched polymer film at a temperature of from (polymer melting point −40° C.) to (polymer melting point −5° C.); and heat setting the hot stretched polymer film at a temperature of from (polymer melting point −80° C.) to (polymer melting point −5° C.).
    • 一种制造微孔膜的方法,包括以下步骤:在(聚合物熔点+ 10℃)至(聚合物熔点+ 100℃)的温度下挤出聚合物; 在10〜150℃下以5〜120m / min的速率拉伸挤出的聚合物,得到聚合物膜; 在(聚合物熔点-100℃)至(聚合物熔点-5℃)的温度下将聚合物膜退火10秒至1小时; 在10-2〜10KHz的真空下以5〜100cm的照射距离照射10-2〜107KeV的102〜1020离子/ cm 2的离子粒子量的退火的聚合物膜的两面照射, 托尔 在-20℃至(聚合物熔点-40℃)的温度下将照射的聚合物膜冷拉伸; 在(聚合物熔点-40℃)至(聚合物熔点-5℃)的温度下热拉伸冷拉伸聚合物膜; 并将热拉伸聚合物膜在(聚合物熔点-80℃)至(聚合物熔点-5℃)的温度下进行热定型。
    • 5. 发明授权
    • Methods for reforming polymer surface for improved wettability
    • 重整聚合物表面以改善润湿性的方法
    • US06710098B1
    • 2004-03-23
    • US09601310
    • 2000-07-31
    • Sang-Young LeeByeong-In AhnHeon-Sik SongMyung-Man Kim
    • Sang-Young LeeByeong-In AhnHeon-Sik SongMyung-Man Kim
    • C08J328
    • B01D67/009B01D67/0027B01D67/0093B01D71/26B01D2323/02B01D2323/34B29C59/16B29C2035/0877B29K2995/0092B29L2031/755H01M2/1653
    • The present invention relates to a method for reforming the surface of polymer, especially to a method for providing hydrophilicity or increasing hydrophobicity by reforming the surface of polymer or polymer membrane. The present invention is a method for reforming the surface of polymer membrane by irradiating it with energized ionic particles under the vacuum condition. The method including the steps of: a) manufacturing polymer membrane, including a surface activated, by inserting polymer membrane into a vacuum chamber, and by irradiating energized ionic particles on the surface of polymer membrane with an ion beam under a high vacuum; and b) manufacturing polymer membrane treated with a reactive gas on the surface of membrane, including the activated surface of step a), by infusing the reactive gas into a vacuum chamber after energized ionic particles of step a) have been irradiated. The methods in the present invention can achieve their objects to reform the surface to provide hydrophilicity of hydrophobicity without deteriorating mechanical properties of the polymer membrane. Additionally, it can also contribute to an improved working environment and readily accommodate mass production techniques because the surface reforming of polymer membrane is a relatively simple technique that does not employ solvents.
    • 本发明涉及一种重整聚合物表面的方法,特别涉及通过重整聚合物或聚合物膜表面提供亲水性或增加疏水性的方法。 本发明是一种通过在真空条件下用赋能的离子粒子照射聚合物膜表面的方法。 该方法包括以下步骤:a)通过将聚合物膜插入真空室中制造包括活化表面的聚合物膜,并通过在高真空下用离子束照射聚合物膜表面上的带电离子颗粒; 以及b)通过在已经照射步骤a)的带电离子颗粒之后,通过将反应气体注入真空室中来制造在膜的表面上包括活性表面的步骤a)的用反应性气体处理的聚合物膜。 本发明的方法可以实现其改性表面的目的,以提供疏水性的亲水性,而不会降低聚合物膜的机械性能。 另外,它也可以有助于改进的工作环境并容易地适应批量生产技术,因为聚合物膜的表面重整是不使用溶剂的相对简单的技术。