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    Soft stretch yarns and their method of production
    3.
    发明授权
    Soft stretch yarns and their method of production 有权
    软弹力纱及其生产方法

    公开(公告)号：US06306499B1

    公开(公告)日：2001-10-23

    申请号：US09589233

    申请日：2000-06-07

    申请人： Takashi Ochi ,  Katsuhiko Mochizuki ,  Yuhei Maeda

    发明人： Takashi Ochi ,  Katsuhiko Mochizuki ,  Yuhei Maeda

    IPC分类号： D01F600

    CPC分类号： D01F8/14 ,  D02G3/326 ,  D03D15/08 ,  Y10T428/2913 ,  Y10T428/2924 ,  Y10T428/2929 ,  Y10T428/2969

    摘要： A soft stretch yarn substantially comprising polyester fibers has a stress, at 50% yarn stretch, of no more than 30×10−3 cN/dtex and, at the same time, a percentage recovery of at least 60%. Preferably, the Uster unevenness is no more than 2.0% and the crimp diameter is no more than 250 &mgr;m. This soft stretch yarn can be produced by spinning yarn of conjugate fibers comprising two types of polyester in which one component is PTT at a take-up velocity of at least 1200 m/min, drawing at a drawing temperature of 50 to 80° C. at a draw ratio such that the drawn yarn tensile elongation is 20 to 45%, and then heat setting.

    摘要翻译： 基本上包含聚酯纤维的柔软弹力丝在50％纱线拉伸下具有不大于30×10 -3 cN / dtex的应力，同时回收率至少为60％。 优选地，乌斯特不均匀度不超过2.0％，卷曲直径不超过250μm。 该柔软弹力丝可以通过将包含两种类型的聚酯的复合纤维的纺丝纱线制成，其中一种成分为PTT，卷取速度为至少1200m / min，拉伸温度为50至80℃。 以拉伸倍率使拉伸丝拉伸伸长率为20〜45％，然后进行热定形。

    Liquid crystal polyester fibers and method for producing the same
    4.
    发明授权
    Liquid crystal polyester fibers and method for producing the same 有权
    液晶聚酯纤维及其制造方法

    公开(公告)号：US09011743B2

    公开(公告)日：2015-04-21

    申请号：US13255524

    申请日：2010-03-04

    申请人： Yoshitsugu Funatsu ,  Yuhei Maeda ,  Norio Suzuki ,  Hiroo Katsuta

    发明人： Yoshitsugu Funatsu ,  Yuhei Maeda ,  Norio Suzuki ,  Hiroo Katsuta

    IPC分类号： D03D15/00 ,  D06M15/643 ,  C09K19/38 ,  D01D10/02 ,  D01F6/62 ,  D01F6/84 ,  D02J13/00

    CPC分类号： D06M15/643 ,  C09K19/3809 ,  D01D10/02 ,  D01F6/62 ,  D01F6/84 ,  D02J13/00 ,  Y10T428/298 ,  Y10T442/183

    摘要： Disclosed are liquid crystal polyester fibers, which have a peak half-width of 15° C. or greater at an endothermic peak (Tm1) observed by differential calorimetry under a temperature elevation of 20° C./minute from 50° C., polystyrene equivalent weight average molecular weight of 250,000 or more and 2,000,000 or less, and a variable waveform of less than 10% in terms of the half inert diagram mass waveform determined by a Uster yarn irregularity tester. Also disclosed is a method for producing liquid crystal polyester fibers, wherein liquid crystal polyester fibers are formed into a package, the fibers are then subjected to solid-phase polymerization, and the solid-phase polymerized liquid crystal polyester fibers are unrolled from the package and successively heat treated without being once taken up. The heat treatment temperature is controlled at a temperature of the endothermic peak temperature (Tm1) of the solid-phase polymerized liquid crystal polyester fibers+60° C. or higher, and the speeds of the fibers before and after heat treatment are regulated, respectively, by first and second rollers.

    摘要翻译： 公开了液晶聚酯纤维，其在50℃的温度升高/ 50分钟的温度升高下观察到的吸热峰（Tm1）的峰半峰宽度为15℃以上，聚苯乙烯 当量重量平均分子量为25万以上且2,000,000以下，以及由乌斯特纱不规则性测定仪确定的半惰性图质量波形小于10％的可变波形。 还公开了一种液晶聚酯纤维的制造方法，其中将液晶聚酯纤维形成包装，然后将纤维进行固相聚合，并将固相聚合的液晶聚酯纤维从包装中展开， 连续热处理而不被一次吸收。 将热处理温度控制在固相聚合液晶聚酯纤维的吸热峰温度（Tm1）+ 60℃以上的温度下，分别调节热处理前后的纤维速度 ，通过第一和第二辊。

    Fibers excellent in magnetic field responsiveness and conductivity and product consisting of it
    5.
    发明申请
    Fibers excellent in magnetic field responsiveness and conductivity and product consisting of it 失效
    具有优异的磁场响应性和导电性的纤维和由其组成的产品

    公开(公告)号：US20070003761A1

    公开(公告)日：2007-01-04

    申请号：US10556545

    申请日：2004-05-18

    申请人： Kouki Miyazono ,  Yuhei Maeda

    发明人： Kouki Miyazono ,  Yuhei Maeda

    IPC分类号： D02G3/00

    CPC分类号： D03D15/0055 ,  D01F1/10 ,  D03D15/00 ,  D03D15/0027 ,  D03D15/0083 ,  D03D15/08 ,  D03D27/00 ,  D10B2101/12 ,  D10B2101/20 ,  D10B2201/02 ,  D10B2201/24 ,  D10B2201/28 ,  D10B2211/02 ,  D10B2211/04 ,  D10B2321/02 ,  D10B2321/10 ,  D10B2331/02 ,  D10B2331/04 ,  D10B2331/10 ,  D10B2401/061 ,  D10B2401/16 ,  D10B2501/00 ,  D10B2503/02 ,  D10B2503/04 ,  D10B2503/06 ,  Y10T428/2927 ,  Y10T428/2933

    摘要： The present invention relates to fibers having excellent responsiveness to magnetic fields and excellent conductivity, as well as articles made of the same. In particular, the present invention relates to fibers having magnetic properties and conductivity, which are excellent in resistance to heat and responsiveness to magnetic fields in a unit where a magnetic field is applied, as well as in stability of conductivity when the humidity varies. In addition, the present invention relates to textiles using such fibers, knitted articles and cloths, such as non-woven cloths, short fibers, brush rollers made of short fibers, and electro-photographic apparatuses using brush rollers. The fibers of the present invention are fibers having excellent responsiveness to magnetic field and conductivity, made of a polymer having fiber forming functions which contains magnetic material particles in spherical form having a saturation magnetic flux density of no less than 0.5 tesla. According to the preferred aspects of the present invention, (a) the average particle diameter of the above described magnetic material particles in spherical form is no greater than 5 μm, (b) the coercive force of the above described magnetic material particles in spherical form is no greater than 1000 A/m, and (c) the above described fibers are complex fibers which are made of magnetic layers that contain 20 wt % to 90 wt % of the above described magnetic material particles in spherical form, and protective layers where the content of the above described magnetic material particles in spherical form is less than 20 wt %.

    摘要翻译： 本发明涉及对磁场的响应性优异，导电性优异的纤维及其制品。 特别地，本发明涉及具有磁特性和导电性的纤维，它们在施加磁场的单元中具有优异的耐热性和对磁场的响应性，以及当湿度变化时的导电性的稳定性。 此外，本发明涉及使用这种纤维的织物，编织物和布，例如无纺布，短纤维，由短纤维制成的刷辊，以及使用刷辊的电子照相装置。 本发明的纤维是由具有纤维形成功能的聚合物制成的对磁场和导电性的响应性优异的纤维，该聚合物含有饱和磁通密度不小于0.5特斯拉的球形磁性材料颗粒。 根据本发明的优选方面，（a）上述磁性体颗粒的球形平均粒径不大于5μm，（b）上述磁性材料颗粒的球形矫顽力 不大于1000A / m，（c）上述纤维是由磁性层制成的复合纤维，该磁性层含有上述球形磁性材料颗粒的20重量％至90重量％，以及保护层， 上述磁性材料颗粒的球形含量小于20重量％。

    Method and apparatus for producing polyester fiber
    7.
    发明授权
    Method and apparatus for producing polyester fiber 失效
    生产聚酯纤维的方法和设备

    公开(公告)号：US5558825A

    公开(公告)日：1996-09-24

    申请号：US256144

    申请日：1994-09-09

    申请人： Kunihiko Ueda ,  Shuko Arakane ,  Takao Sano ,  Yuhei Maeda

    发明人： Kunihiko Ueda ,  Shuko Arakane ,  Takao Sano ,  Yuhei Maeda

    IPC分类号： D01D5/12 ,  D01D5/08 ,  D01D5/16 ,  D01F6/62 ,  D02J1/22 ,  D01D5/088 ,  D01D10/02 ,  D02J1/08

    CPC分类号： D01D10/02 ,  D01D5/16 ,  D01F6/62 ,  D02J1/222 ,  Y10S57/908

    摘要： This invention relates to a method and apparatus for producing a polyester fiber which cools a plurality of molten polyester fibers from a spinnert 2 to a temperature below a glass transition point, then takes up the fibers by a non-heating first godet roller at a take-up speed less than 4,000 m/min, heat-stretching the fibers between the first godet roller and a non-heating second godet roller 10 inside a normal pressure steam atmosphere (first heat-treating device 8) higher than the glass transition point of the polyester fiber, and heat-treats the fiber by a pressurized steam atmosphere (second heat-treating device 9) higher than 105.degree. C.

    摘要翻译： PCT No.PCT / JP93 / 01632 Sec。 371日期1994年9月9日 102（e）1994年9月9日PCT PCT 1993年11月10日PCT公布。 公开号WO94 / 11550 PCT 日期1994年5月26日本发明涉及一种生产聚酯纤维的方法和装置，其将多个熔融聚酯纤维从旋涂器2冷却至低于玻璃化转变温度的温度，然后通过非加热第一导丝辊 以小于4000m / min的卷取速度滚动，在比第一导丝辊和非加热的第二导丝辊10的高压蒸汽气氛（第一热处理装置8）之前的第一导丝辊和非加热的第二导丝辊10之间热纤维 聚酯纤维的玻璃化转变点，并且通过高于105℃的加压蒸汽气氛（第二热处理装置9）对纤维进行热处理。

    Polyphenylene sulfide fiber, method for producing the same, wet-laid nonwoven fabric, and method for producing wet-laid nonwoven fabric
    8.
    发明授权
    Polyphenylene sulfide fiber, method for producing the same, wet-laid nonwoven fabric, and method for producing wet-laid nonwoven fabric 有权
    聚苯硫醚纤维，其制造方法，湿法无纺布，湿法无纺布的制造方法

    公开(公告)号：US08734614B2

    公开(公告)日：2014-05-27

    申请号：US13002700

    申请日：2009-07-08

    申请人： Tomoko Takano ,  Koji Sugano ,  Yuhei Maeda ,  Takeshi Sugimoto

    发明人： Tomoko Takano ,  Koji Sugano ,  Yuhei Maeda ,  Takeshi Sugimoto

    IPC分类号： D21H13/20 ,  D01F6/00 ,  D01D5/00 ,  C08G75/14

    CPC分类号： D04H1/50 ,  D01D10/02 ,  D01F6/765 ,  D04H1/558 ,  D21H13/20 ,  D21H27/00

    摘要： A polyphenylene sulfide fiber has an amount of heat of crystallization measured by DSC is 10 J/g or more and the degree of shrinkage on dry heating of 150° C.×30 minutes is 20% or less. A method produces a densified wet-laid nonwoven fabric by subjecting paper produced in a papermaking process and containing 60 to 100% by mass of a polyphenylene sulfide fiber having an amount of heat of crystallization of 10 J/g or more and an amount of heat of crystallization of the wet-laid nonwoven fabric before heating-pressurizing treatments is 5 J/g or more to heating-pressurizing treatment at a temperature that is not lower than the glass transition temperature and not higher than the melting point of the polyphenylene sulfide fiber.

    摘要翻译： 聚苯硫醚纤维通过DSC测定的结晶热量为10J / g以上，干燥加热收缩度为150℃×30分钟为20％以下。 一种方法是通过在造纸工艺中生产的纸和含有60〜100质量％的结晶热量为10J / g以上的聚苯硫醚纤维和热量 在加热加压处理之前的湿法无纺布的结晶化在不低于玻璃化转变温度且不高于聚苯硫醚纤维的熔点的温度下进行加热加压处理为5J / g以上 。

    LIQUID CRYSTAL POLYESTER FIBERS AND METHOD FOR PRODUCING THE SAME
    10.
    发明申请
    LIQUID CRYSTAL POLYESTER FIBERS AND METHOD FOR PRODUCING THE SAME 有权
    液晶聚酯纤维及其制造方法

    公开(公告)号：US20110318982A1

    公开(公告)日：2011-12-29

    申请号：US13255524

    申请日：2010-03-04

    申请人： Yoshitsugu Funatsu ,  Yuhei Maeda ,  Norio Suzuki ,  Hiroo Katsuta

    发明人： Yoshitsugu Funatsu ,  Yuhei Maeda ,  Norio Suzuki ,  Hiroo Katsuta

    IPC分类号： D03D15/00 ,  B29C71/02 ,  D02G3/02

    CPC分类号： D06M15/643 ,  C09K19/3809 ,  D01D10/02 ,  D01F6/62 ,  D01F6/84 ,  D02J13/00 ,  Y10T428/298 ,  Y10T442/183

    摘要： Disclosed are liquid crystal polyester fibers, which have a peak half-width of 15° C. or greater at an endothermic peak (Tm1) observed by differential calorimetry under a temperature elevation of 20° C./minute from 50° C., polystyrene equivalent weight average molecular weight of 250,000 or more and 2,000,000 or less, and a variable waveform of less than 10% in terms of the half inert diagram mass waveform determined by a Uster yarn irregularity tester. Also disclosed is a method for producing liquid crystal polyester fibers, wherein liquid crystal polyester fibers are formed into a package, the fibers are then subjected to solid-phase polymerization, and the solid-phase polymerized liquid crystal polyester fibers are unrolled from the package and successively heat treated without being once taken up. The heat treatment temperature is controlled at a temperature of the endothermic peak temperature (Tm1) of the solid-phase polymerized liquid crystal polyester fibers+60° C. or higher, and the speeds of the fibers before and after heat treatment are regulated, respectively, by first and second rollers.

    摘要翻译： 公开了液晶聚酯纤维，其在50℃的温度升高/ 50分钟的温度升高下观察到的吸热峰（Tm1）的峰半峰宽度为15℃以上，聚苯乙烯 当量重量平均分子量为25万以上且2,000,000以下，以及由乌斯特纱不规则性测定仪确定的半惰性图质量波形小于10％的可变波形。 还公开了一种液晶聚酯纤维的制造方法，其中将液晶聚酯纤维形成包装，然后将纤维进行固相聚合，并将固相聚合的液晶聚酯纤维从包装中展开， 连续热处理而不被一次吸收。 将热处理温度控制在固相聚合液晶聚酯纤维的吸热峰温度（Tm1）+ 60℃以上的温度下，分别调节热处理前后的纤维速度 ，通过第一和第二辊。