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    • 2. 发明申请
    • A HIGH SHRINKAGE SIDE BY SIDE TYPE COMPOSITE FILAMENT AND A METHOD FOR MANUFACTURING THE SAME
    • 由侧面复合纤维制成的高收缩面及其制造方法
    • WO2004048650A1
    • 2004-06-10
    • PCT/KR2003/002522
    • 2003-11-21
    • KOLON INDUSTRIES, INCYOON, Joon-YoungLEE, Young-HwanLEE, Sung-Kwan
    • YOON, Joon-YoungLEE, Young-HwanLEE, Sung-Kwan
    • D01D5/30
    • D01F6/78Y10T428/2913
    • The present invention relates to a high shrinkage side-by-side type composite filament, wherein two kinds of thermoplastic polymers are arranged side by side type and a boiling water shrinkage (Sr 2 ) measured by the method (initial load = notified denier x 1/10g, static load = notified denier x 20/10g) of clause 5.10 of JIS L 1090 is 20 to 75% of a boiling water shrinkage (Sr 1 ) measured by the method (initial load = notified denier x 1/30g, static load = notified denier x 40/30g) of clause 7.15 of JIS L 1013. The side-by-side type composite filament. is made of two kinds of thermoplastic polymers having a number average molecular weight difference (ïMn) of 5,000 to 15,000 upon spinning and the composite filament is drawn and heat-treated so as to satisfy the following physical properties: Temperature area exhibiting 95% of maximum thermal stress (Tmax, 95%): 120 to 230°C Range of maximum thermal stress per denier : 0.1 to 0.4g/denier
    • 本发明涉及一种高收缩并列型复合长丝,其中两种热塑性聚合物并排布置,并且通过该方法测量的沸水收缩率(Sr2)(初始负荷=通知旦数×1 / JIS L 1090第5.10条的10g,静态负荷=通知旦数×20 / 10g)为通过该方法测定的沸水收缩率(Sr1)的20〜75%(初始负荷=通知旦数×1 / 30g,静载荷= 通报旦数×40 / 30g)的JIS L 1013的第7.15条。并列型复合长丝。 由纺丝后的数均分子量差(ïMn)为5000〜15000的两种热塑性聚合物制成,复合长丝被拉伸和热处理以满足以下物理性能:表现出最大值为95%的温度区域 热应力(Tmax,95%):120〜230℃每旦尼尔最大热应力范围:0.1〜0.4g /旦
    • 3. 发明申请
    • A MICROCELLULAR FOAMED FIBER, AND A PROCESS OF PREPARING FOR THE SAME
    • 微孔泡沫纤维及其制备方法
    • WO2004035884A1
    • 2004-04-29
    • PCT/KR2003/002170
    • 2003-10-17
    • KOLON INDUSTRIES, INCCHOI, Yoeng-BaegLEE, Young-HwanHAN, In-Sik
    • CHOI, Yoeng-BaegLEE, Young-HwanHAN, In-Sik
    • D01F1/00
    • D01D5/247D01F1/10D01F6/06D01F6/60D01F6/62Y10T428/2935Y10T428/2975
    • The present invention discloses microcellular fibers, in which microcells are formed with a density of more than 10 7 cells/cm 3 with a supercritical fluid introduced into fiber forming polymers and have a rate of volume expansion of 1.2 to 50, a ratio of microcell length to microcell diameter of more than 2 and a monofilament diameter of more than 5µm. The microcellular fibers provide high and uniform cell densities and are good in the rate of volume expansion and the ratio of cell length to cell diameter, thus they are very excellent in lightweight feeling and touch. The microcellular fibers are made by a method for making microcellular fibers, wherein a supercritical fluid is introduced into an extruder upon melting and mixing fiber forming polymers in the extruder, to thus prepare a single-phase solution of molten polymer and gas, then the single-phase solution of molten polymer and gas is extruded (spun) through spinneret of spinning pack by subjecting the single-phase solution to a rapid pressure drop, to thus make microcellular extrusion materials, the microcellular extrusion materials are rapidly cooled by a cooling medium, and then they are wound at a winding speed of 10 to 6,000m/min so that a spinning draft can be 2 to 300.
    • 本发明公开了一种微细纤维,其中以高于10 7个细胞/ cm 3的密度形成微细胞,将超临界流体引入成纤聚合物中,并且具有1.2至50的体积膨胀率 微细胞长度与微细胞直径的比例大于2,单丝直径大于5μm。 微细胞纤维提供高且均匀的细胞密度,并且体积膨胀速率和细胞长度与细胞直径的比例是良好的,因此它们在轻量级感和触感方面非常优异。 微孔纤维通过制造微孔纤维的方法制造,其中在挤出机中熔融和混合纤维形成聚合物时将超临界流体引入挤出机中,从而制备熔融聚合物和气体的单相溶液,然后将单一 熔融聚合物和气体的相溶液通过使单相溶液快速压降,通过纺丝组件的喷丝头挤出(纺丝),从而制成微孔挤出材料,微孔挤出材料通过冷却介质快速冷却, 然后以10〜6000m / min的卷绕速度卷绕,使得纺丝牵伸力可以为2〜300。
    • 7. 发明申请
    • METHOD OF MANUFACTURING NANOFIBER WEB
    • 制造NANOFIBER WEB的方法
    • WO2007111477A1
    • 2007-10-04
    • PCT/KR2007/001516
    • 2007-03-28
    • KOLON INDUSTRIES, INCLEE, Young-HwanRHO, Hwan-KwonCHOI, Jin-HwanLEE, Sang-Yoon
    • LEE, Young-HwanRHO, Hwan-KwonCHOI, Jin-HwanLEE, Sang-Yoon
    • D04H3/16
    • D01D5/0061D04H1/4382D04H1/728Y10T442/696
    • A method of manufacturing a nanofiber web using an electrospinning method is disclosed. The method comprises the steps of: supplying a polymer solution to the surface of a metal roller (10) with a direct current high voltage applied thereto; spinning the polymer solution supplied to the surface of the metal roller (10) toward a collector (40) of a metal plate with a direct current high voltage applied thereto having a different charge from that of the metal roller (10) to volatilize nanofibers, wherein the collector of the metal plate is located on the horizontal surface of the metal roller (10); and coating the volatilized nanofibers (70) on the collector (40). This method can improve the uniformity of the web, make the management of a production process easier, freely change type of web to be produced, make the maintenance and repair of facilities convenient, and simplify the facilities.
    • 公开了使用静电纺丝方法制造纳米纤维网的方法。 该方法包括以下步骤:向施加到其上的直流高电压的金属辊(10)的表面供应聚合物溶液; 将提供给金属辊(10)的表面的聚合物溶液向具有与金属辊(10)的电荷不同的电荷的直流高电压的金属板的集电体(40)旋转以挥发纳米纤维, 其中金属板的收集器位于金属辊(10)的水平表面上; 并将所述挥发的纳米纤维(70)涂覆在所述收集器(40)上。 这种方法可以提高网络的均匀性,使生产过程的管理更容易,自由地更改要生产的网页类型,使设施的维护和维修方便,简化设施。