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    • 2. 发明授权
    • Bulk yarns having improved elasticity and recovery, and processes for
making same
    • 具有改善的弹性和恢复的松散纱线,以及制造它们的方法
    • US6105224A
    • 2000-08-22
    • US162194
    • 1998-09-28
    • J. Joseph O'Mara, Jr.Anthony Nesbitt Dotson
    • J. Joseph O'Mara, Jr.Anthony Nesbitt Dotson
    • D02G1/02D02G1/16D02G3/32D02G3/38D02G3/40D02G1/00
    • D02G3/34D02G1/0286D02G1/161D02G3/32D02G3/406
    • Bulk yarns having improved elasticity and recovery and methods for their manufacture are described. A first embodiment of the invention involves providing a solution-dyed multifilament yarn of polybutylene terephthalate (PBT) and a multifilament yarn of a second thermoplastic polymer to an air jet texturizer such that the PBT component forms a core and the other yarn forms a plurality of loops and coils extending outwardly from the core. In addition to a high degree of elasticity and recovery, the composite yarn also has a low amount of shrinkage, which enables the yarns to be used in the production of woven fabrics without significant losses in fabric yield. Another embodiment of the invention involves false twisting a multifilament PBT yarn and a second multifilament yarn as individual threadlines to impart crimp thereto, then entangling the two components together using an air interlacing jet, to produce a bulk yarn having high elasticity and recovery. Because the two components have different optimal draw ratios, the process involves the simultaneous drawing of the components at different draw ratios such as by running different diameter first delivery rolls for the respective components on the first delivery shaft of the machine. Alternatively, a supplemental individually-controllable first delivery shaft can be provided on the machine for feeding one of the components at a different speed from the other, to thereby draw the components at different ratios relative to each other. The thus-crimped yarns are then entangled together using an air entanglement jet, to produce a bulk yarn having high elasticity and recovery.
    • 描述了具有改进的弹性和恢复的松散纱线及其制造方法。 本发明的第一个实施方案涉及提供一种聚对苯二甲酸丁二醇酯(PBT)的溶液染色复丝纱线和第二热塑性聚合物复丝纱线到空气喷射结构织物上,使得PBT组分形成一个芯部,另一条纱线形成多个 环和线圈从芯部向外延伸。 除了高度的弹性和恢复之外,复合纱线还具有低的收缩量,这使得纱线可以用于机织织物的生产中,而织物产量没有显着的损失。 本发明的另一实施例涉及将多丝PBT纱线和第二复丝纱线作为单独的丝线假捻以使其卷曲,然后使用空气交织射流将两个部件缠结在一起,以产生具有高弹性和恢复的松散纱线。 由于两个部件具有不同的最佳拉伸比,所以该方法涉及以不同拉伸比同时拉伸部件,例如通过对机器的第一输送轴上的相应部件运行不同直径的第一输送辊。 或者,可以在机器上提供补充的可单独控制的第一输送轴,用于以与另一个不同的速度供给部件中的一个,从而以相对于彼此的不同比例拉出部件。 然后使用空气缠结射流将如此卷曲的纱线缠结在一起,以产生具有高弹性和恢复性的松散纱线。
    • 4. 发明授权
    • Ultra-soft and flat multifilament yarn and process for the production
thereof
    • 超柔软平织丝及其生产方法
    • US4969322A
    • 1990-11-13
    • US368345
    • 1989-06-15
    • Yoshiyuki SasakiMasayuki Tani
    • Yoshiyuki SasakiMasayuki Tani
    • D02G1/02D02G3/22D02G3/24
    • D02G1/0286D02G3/22D02G3/24Y10T442/3065Y10T442/608
    • A flat multifilament yarn having a very soft unique touch is obtained by arranging two or more types of multifilament yarns having different drawings properties in parallel, and applying a false twisting procedure which includes a twist applying and twist releasing operations to the paralleled multifilament yarn at a temperature of 120.degree. C. or less, and subjecting the resultant false twisted composite yarn to a heat treatment at a temperature of 130.degree. C. or more in a subsequent procedure, the resultant high elongation multifilaments derived from the high drawability multifilaments in the multifilament yarn having a crystallinity (density method) of 10% to 30%, a non-crystalline portion orientation of 0.035 to 0.10, a non-crystalline portion density of 1.31 to 1.36 g/cm.sup.3, and a Young's modulus of 200 to 700 kg/mm.sup.2.
    • PCT No.PCT / JP88 / 01125 Sec。 371日期1989年6月15日第 102(e)日期1989年6月15日PCT提交1988年11月7日PCT公布。 出版物WO89 / 04388 日本1989年5月18日。具有非常柔软的独特触感的扁平复丝纱线通过并列布置两种或更多种具有不同附图特性的复丝纱线,并且将包括扭曲施加和扭曲释放操作的假捻步骤 平行的复丝纱线在120℃以下的温度下,在随后的步骤中对所得假捻复合纱线在130℃以上的温度进行热处理,得到的高伸长率复丝 结晶度(密度法)为10%〜30%,非结晶部分取向为0.035〜0.10,非结晶部密度为1.31〜1.36g / cm 3的复丝纱中的高拉伸性复丝,杨氏模量 为200〜700kg / mm2。
    • 8. 发明授权
    • Process and apparatus for producing easily dyeable polyester
false-twisted yarns
    • 用于生产容易染色的聚酯假捻纱的方法和设备
    • US4539805A
    • 1985-09-10
    • US467849
    • 1983-02-18
    • Norio UkaiKatsushige Tomizuka
    • Norio UkaiKatsushige Tomizuka
    • D02G3/22D02G1/02D02G3/02
    • D02G1/0286
    • A false-twisted polyester yarn of good dyeing and mechanical properties is produced by a process wherein a yarn consisting of an as-spun polyester fiber having a mean birefrigence index (.DELTA.n) of from 15.times.10.sup.-3 to 150.times.10.sup.-3 is heat-treated and continuously, subjected to a false twisting treatment or draw-false twisting treatment. A preferred apparatus used comprises a feed yarn creel, a false twisting heater and an optional stabilizing heater, a false twisting element and a winder, wherein a heat-treating heater of the non-contact type is arranged upstream of the false twisting heater and between the false twisting heater and the feed yarn creel, at a height substantially equal to the height of the feed yarn creel so that the heat-treating heater confronts the false twisting heater; and a yarn cooling zone is provided between the heat-treating heater and the false twisting heater.
    • 通过一种方法制备具有良好染色和机械性能的假捻聚酯纱线,其中由具有15×10-3至150×10-3的平均双峰指数(DELTA n)的初纺聚酯纤维组成的纱线被热处理 并连续进行假捻处理或假捻加工处理。 所使用的优选装置包括进料纱架,假捻加热器和任选的稳定加热器,假扭转元件和络纱机,其中非接触型热处理加热器布置在假捻加热器的上游, 假捻加热器和进给纱架的高度大致等于进给纱架的高度,使得热处理加热器面对假捻加热器; 并且在热处理加热器和假捻加热器之间设置纱线冷却区。
    • 9. 发明授权
    • Filament yarns of multicomponent fibers and utilization therefor in
textile fabrics
    • 多组分纤维的长丝纱线及其在纺织织物中的应用
    • US4447489A
    • 1984-05-08
    • US304907
    • 1981-09-23
    • Heinz LinhartReiner ModtlerEberhard Kratzsch
    • Heinz LinhartReiner ModtlerEberhard Kratzsch
    • D04B1/20D01D5/36D01F8/04D02G1/02D02G3/24D03D15/00D03D3/00
    • D02G1/0286D01D5/36Y10T428/2931Y10T442/3163
    • Filament yarns composed of multicomponent fibers of the matrix/segment type are produced and processed into textile fabrics by false-twist texturing the multicomponent fibres made up of segments of varying deniers to cause softening the matrix to bond the filaments together over short, medium or longer sections of the yarn. After conversion of the yarns into fabrics, the fabrics are subjected to a shrinking treatment. The fabrics so treated have a reduced tendency to crease or wrinkle, better crease recovery and better dyeing properties. The denier of the lower denier segments should be finer than 0.6 dtex and the denier of the high denier segments should be at least 1 dtex; the weight ratio of low to high denier segments in the yarn ranges from about 25:75 to about 75:25. The matrix is preferably made of polyamide 6 while the segments are polyethylene terephthalate. The cross-sectional shapes of the fibers may e.g. resemble a toothwheel with fine peripheral segments and a coarser core, combinations of three-toothed wheels with 12 or 6 peripheral teeth or similar combinations of orange-shaped cross-sections such as 3 and 6 "slices".
    • 由基质/片段类型的多组分纤维组成的丝线由制造并加工成纺织织物,通过假捻加工构成由不同旦数的片段组成的多组分纤维,使基质软化,将短丝,中等或更长的长丝结合在一起 纱线部分。 将纱线转化成织物后,对织物进行收缩处理。 如此处理的织物具有降低的折痕或皱纹的趋势,更好的折痕恢复和更好的染色性能。 下旦数段的旦数应小于0.6dtex,高旦数段的旦数应至少为1分特; 纱线中的低至高旦数段的重量比为约25:75至约75:25。 该基质优选由聚酰胺6制成,而该段为聚对苯二甲酸乙二醇酯。 纤维的横截面形状可以是例如。 类似于具有细周边段和较粗核心的齿轮,具有12或6个周边齿的三齿轮的组合或类似于橙色形横截面的组合,例如3和6“切片”。
    • 10. 发明授权
    • Process for manufacturing a polyester multifilament yarn
    • 聚酯复丝纱线的制造方法
    • US4410473A
    • 1983-10-18
    • US302952
    • 1981-09-16
    • Kohichi IoharaMichikage Matsui
    • Kohichi IoharaMichikage Matsui
    • D01F6/62C08L67/02D01F6/92D02G1/02D02G1/20
    • C08L67/02D01F6/92D02G1/0286Y10T428/2904Y10T428/2913Y10T428/2929Y10T428/2976
    • A polyester multifilament consisting essentially of filament groups (I) and (II). The filament group (I) is composed of a polyester selected from the group consisting of polyethylene terephthalate, polytrimethylene terephthalate and polytetramethylene terephthalate, and/or a blend and/or copolymer comprising at least two members selected from the polyesters. The filament group (II) is composed of a substrate composed of a polyester selected from the group consisting of polyethylene terephthalate, polytrimethylene terephthalate and polytetramethylene terephthalate, and/or a blend and/or a copolymer comprising at least two members selected from the polyesters and at least one polymer selected from the group consisting of styrene type polymers, methacrylate type polymers and acrylate type polymers, which is added to said substrate in an amount of 0.4 to 8% by weight based on the substrate.
    • 基本上由长丝组(I)和(II)组成的聚酯复丝。 长丝组(I)由选自聚对苯二甲酸乙二醇酯,聚对苯二甲酸丙二醇酯和聚四亚甲基对苯二甲酸酯的聚酯和/或包含选自聚酯中的至少两种成分的共混物和/或共聚物组成。 长丝群(II)由选自聚对苯二甲酸乙二醇酯,聚对苯二甲酸丙二醇酯和聚四亚甲基对苯二甲酸酯的聚酯组成的基材和/或共混物和/或共聚物组成,所述共混物和/或共聚物包含选自聚酯和 至少一种选自苯乙烯型聚合物,甲基丙烯酸酯型聚合物和丙烯酸酯类聚合物的聚合物,其以基于基材的0.4至8重量%的量加入到所述基材中。