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    • 4. 发明授权
      US06887567B2 Low-shrink polypropylene tape fibers comprising high amounts of nucleating agents 有权
    • Low-shrink polypropylene tape fibers comprising high amounts of nucleating agents
    • 包含大量成核剂的低收缩聚丙烯带纤维
    • US06887567B2
    • 2005-05-03
    • US10286622
    • 2002-11-02
    • Brian G. Morin , Martin E. Cowan , Jack A. Smith
    • Brian G. Morin , Martin E. Cowan , Jack A. Smith
    • D01D5/42 , D01F1/10 , D01F6/06 , D01F6/00
    • D01D5/426 , B29K2023/12 , B29K2223/12 , D01F1/10 , D01F6/06 , Y10T428/2913 , Y10T428/2964 , Y10T428/2967 , Y10T442/3976
    • Improvements in preventing heat- and moisture-shrink problems in specific polypropylene tape fibers are provided. Such tape fibers are basically manufactured through the initial production of polypropylene films or tubes which are then slit into very thin, though flat (and having very high cross sectional aspect ratios) tape fibers thereafter. These inventive tape fibers (and thus the initial films and/or tubes) require the presence of relatively high amounts of certain compounds that quickly and effectively provide rigidity to the target polypropylene tape fiber. Generally, these compounds include any structure that nucleates polymer crystals within the target polypropylene after exposure to sufficient heat to melt the initial pelletized polymer and allowing such an oriented polymer to cool. The compounds must nucleate polymer crystals at a higher temperature than the target polypropylene without the nucleating agent during cooling. In such a manner, the “rigidifying” nucleator compounds provide nucleation sites for polypropylene crystal growth. Subsequent to slitting the initial film and/or tube, the fiber is then exposed to sufficient heat to grow the crystalline network, thus holding the fiber in a desired position. The preferred “rigidifying” compounds include dibenzylidene sorbitol based compounds, as well as less preferred compounds, such as [2.2.1]heptane-bicyclodicarboxylic acid, otherwise known as HPN-68, sodium benzoate, certain sodium and lithium phosphate salts [such as sodium 2,2′-methylene-bis-(4,6-di-tert-butylphenyl)phosphate, otherwise known as NA-11]. Specific methods of manufacture of such inventive tape fibers, as well as fabric articles made therefrom, are also encompassed within this invention.
    • 提供了防止特定聚丙烯带纤维中的热收缩和水分收缩问题的改进。 这种带状纤维基本上通过初始生产聚丙烯膜或管制成，然后将其切割成非常薄的（但具有非常高的截面长宽比）的带状纤维。 这些本发明的带状纤维（和因此初始膜和/或管）需要相对高量的某些化合物的存在，其快速且有效地为目标聚丙烯带纤维提供刚性。 通常，这些化合物包括在暴露于足够的热量以熔化初始颗粒聚合物并允许这种取向聚合物冷却之后使目标聚丙烯中的聚合物晶体成核的任何结构。 在冷却期间，化合物必须在比没有成核剂的目标聚丙烯更高的温度下使聚合物晶体成核。 以这种方式，“硬化”成核剂化合物提供聚丙烯晶体生长的成核位点。 在切割初始膜和/或管之后，然后将纤维暴露于足够的热量以生长结晶网络，从而将纤维保持在期望的位置。 优选的“硬化”化合物包括二亚苄基山梨醇基化合物，以及较不优选的化合物，例如[2.2.1]庚烷 - 双环二羧酸，另外称为HPN-68，苯甲酸钠，某些钠和磷酸锂盐[例如 2,2'-亚甲基 - 双 - （4,6-二叔丁基苯基）磷酸钠，另外称为NA-11]。 制造这种本发明的带状纤维的具体方法以及由其制成的织物制品也包括在本发明内。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 5. 发明授权
      US06759124B2 Thermoplastic monofilament fibers exhibiting low-shrink, high tenacity, and extremely high modulus levels 有权
    • Thermoplastic monofilament fibers exhibiting low-shrink, high tenacity, and extremely high modulus levels
    • 显示低收缩，高韧性和极高模量水平的热塑性单丝纤维
    • US06759124B2
    • 2004-07-06
    • US10295463
    • 2002-11-16
    • Joseph R. Royer , Brian G. Morin , Martin E. Cowan
    • Joseph R. Royer , Brian G. Morin , Martin E. Cowan
    • D01F600
    • D01F6/06 , D01D5/426 , D01F1/10 , D01F6/04 , D01F6/60 , D01F6/62 , Y10T428/2913 , Y10T428/2927 , Y10T428/2964 , Y10T428/2967 , Y10T428/2969
    • Unique thermoplastic monofilament fibers and yarns that exhibit heretofore unattained physical properties are provided. Such fibers are basically manufactured through the extrusion of thermoplastic resins that include a certain class of nucleating agent therein, and are able to be drawn at high ratios with such nucleating agents present that the tenacity and modulus strength are much higher than any other previously produced thermoplastic fibers, particularly those that also simultaneously exhibit extremely low shrinkage rates. Thus, such fibers require the presence of certain compounds that quickly and effectively provide rigidity to the target thermoplastic (for example, polypropylene), particularly after heat-setting. Generally, these compounds include any structure that nucleates polymer crystals within the target thermoplastic after exposure to sufficient heat to melt the initial pelletized polymer and allowing such an oriented polymer to cool. The compounds must nucleate polymer crystals at a higher temperature than the target thermoplastic without the nucleating agent during cooling. In such a manner, the “rigidifying” nucleator compounds provide nucleation sites for thermoplastic crystal growth. The preferred “rigidifying” compounds include dibenzylidene sorbitol based compounds, as well as less preferred compounds, such as [2.2.1]heptane-bicyclodicarboxylic acid, otherwise known as HPN-68, sodium benzoate, certain sodium and lithium phosphate salts [such as sodium 2,2′-methylene-bis-(4,6-di-tert-butylphenyl)phosphate, otherwise known as NA-11]. Specific methods of manufacture of such inventive thermoplastic fibers, as well as fabric articles made therefrom, are also encompassed within this invention.
    • 提供了独特的热塑性单丝纤维和纱线，这些纤维和纱线迄今尚未实现物理性能。 这种纤维基本上通过在其中挤出含有某种类型的成核剂的热塑性树脂的挤出制成，并且能够以高比例将这些成核剂拉伸出来，其强度和模量强度远高于任何其它先前制备的热塑性塑料 纤维，特别是也同时呈现极低收缩率的纤维。 因此，这样的纤维需要存在某些化合物，其特别是在热定形之后快速且有效地为目标热塑性塑料（例如聚丙烯）提供刚性。 通常，这些化合物包括在暴露于足够的热量以熔化初始颗粒聚合物并允许这样的取向聚合物冷却之后，使目标热塑性塑料中的聚合物晶体成核的任何结构。 在冷却期间，化合物必须在比目标热塑料高的温度下成核聚合物晶体，而不需要成核剂。 以这种方式，“硬化”成核剂化合物提供热塑性晶体生长的成核位点。 优选的“硬化”化合物包括二亚苄基山梨醇基化合物，以及较不优选的化合物，例如[2.2.1]庚烷 - 双环二羧酸，另外称为HPN-68，苯甲酸钠，某些钠和磷酸锂盐[例如 2,2'-亚甲基 - 双 - （4,6-二叔丁基苯基）磷酸钠，另外称为NA-11]。 制造本发明的热塑性纤维的具体方法以及由其制成的织物制品也包括在本发明内。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 6. 发明授权
      US07041368B2 High speed spinning procedures for the manufacture of high denier polypropylene fibers and yarns 失效
    • High speed spinning procedures for the manufacture of high denier polypropylene fibers and yarns
    • 用于制造高旦尼尔聚丙烯纤维和纱线的高速纺丝方法
    • US07041368B2
    • 2006-05-09
    • US10295696
    • 2002-11-17
    • Martin E. Cowan , Brian G. Morin
    • Martin E. Cowan , Brian G. Morin
    • D02G3/00
    • D01F1/10 , D01F6/06 , Y10T428/2913 , Y10T428/2927 , Y10T428/2967
    • Improvements in permitting greater efficiency for high denier polypropylene fiber and yarn production are provided. Generally, spinning speeds are limited for polypropylene fibers and yarns as such materials tend to break easily upon exposure to excessively high tensions associated with low- to medium-spinning speeds. As spinning is required to properly draw such high denier fibers sufficiently for fiber and yarn production, such limitations effectively prevent widespread utilization of such fibers and yarns in various end-use applications. Thus, it has been surprisingly been determined that such high denier manufactured fibers and yarns can be produced with certain nucleating additives that permit tensile strength increases to the level required for high-speed spinning procedures to be followed. Additionally, low-shrink and/or better resiliency properties are also available with the addition of such nucleating compounds within the target high denier polypropylene resins.
    • 提供了提高高旦尼尔聚丙烯纤维和纱线生产效率的改进措施。 通常，纺丝速度对于聚丙烯纤维和纱线是有限的，因为这样的材料在暴露于与低至中等纺丝速度相关的过高的张力时容易破裂。 由于纺丝需要适当地将纤维和纱线生产适当地拉伸这种高旦数纤维，所以这种限制有效地防止了这种纤维和纱线在各种最终用途应用中的广泛利用。 因此，令人惊讶地确定，这种高旦尼尔制造的纤维和纱线可以用某些成核添加剂制造，其允许拉伸强度增加到要遵循的高速纺丝程序所需的水平。 此外，在目标高旦尼尔聚丙烯树脂中加入这种成核化合物，也可获得低收缩和/或更好的弹性性能。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 7. 发明授权
      US06794033B2 Low-shrink polypropylene tape fibers comprising high amounts of nucleating agents 有权
    • Low-shrink polypropylene tape fibers comprising high amounts of nucleating agents
    • US06794033B2
    • 2004-09-21
    • US10655227
    • 2003-09-04
    • Brian G. Morin , Martin E. Cowan , Jack A. Smith
    • Brian G. Morin , Martin E. Cowan , Jack A. Smith
    • D01F600
    • D01D5/426 , B29K2023/12 , B29K2223/12 , D01F1/10 , D01F6/06 , Y10T428/2913 , Y10T428/2964 , Y10T428/2967 , Y10T442/3976
    • Improvements in preventing heat- and moisture-shrink problems in specific polypropylene tape fibers are provided. Such tape fibers are basically manufactured through the initial production of polypropylene films or tubes which are then slit into very thin, though flat (and having very high cross sectional aspect ratios) tape fibers thereafter. These inventive tape fibers (and thus the initial films and/or tubes) require the presence of relatively high amounts of certain compounds that quickly and effectively provide rigidity to the target polypropylene tape fiber. Generally, these compounds include any structure that nucleates polymer crystals within the target polypropylene after exposure to sufficient heat to melt the initial pelletized polymer and allowing such an oriented polymer to cool. The compounds must nucleate polymer crystals at a higher temperature than the target polypropylene without the nucleating agent during cooling. In such a manner, the “rigidifying” nucleator compounds provide nucleation sites for polypropylene crystal growth. Subsequent to slitting the initial film and/or tube, the fiber is then exposed to sufficient heat to grow the crystalline network, thus holding the fiber in a desired position. The preferred “rigidifying” compounds include dibenzylidene sorbitol based compounds, as well as less preferred compounds, such as [2.2.1]heptane-bicyclodicarboxylic acid, otherwise known as HPN-68, sodium benzoate, certain sodium and lithium phosphate salts [such as sodium 2,2′-methylene-bis-(4,6-di-tert-butylphenyl)phosphate, otherwise known as NA-11]. Specific methods of manufacture of such inventive tape fibers, as well as fabric articles made therefrom, are also encompassed within this invention.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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