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Publication numberCN101410561 A
Publication typeApplication
Application numberCN 200680052956
PCT numberPCT/US2006/046766
Publication date15 Apr 2009
Filing date7 Dec 2006
Priority date20 Dec 2005
Also published asCA2634713A1, CN101410561B, US7370395, US20070137064, US20080295307, WO2007078569A2, WO2007078569A3
Publication number200680052956.X, CN 101410561 A, CN 101410561A, CN 200680052956, CN-A-101410561, CN101410561 A, CN101410561A, CN200680052956, CN200680052956.X, PCT/2006/46766, PCT/US/2006/046766, PCT/US/2006/46766, PCT/US/6/046766, PCT/US/6/46766, PCT/US2006/046766, PCT/US2006/46766, PCT/US2006046766, PCT/US200646766, PCT/US6/046766, PCT/US6/46766, PCT/US6046766, PCT/US646766
Inventors谭耀泰
Applicant霍尼韦尔国际公司
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Heating apparatus and process for drawing polyolefin fibers
CN 101410561 A
Abstract
A heating apparatus and process useful for drawing ultrahigh molecular weight polyolefin fibers, such as polyethylene fibers. The heating apparatus includes a first set of rolls and a plurality of aligned ovens. The apparatus includes a second set of rolls at the exit of the ovens which rolls are adapted to provide the desired drawing of the polyolefin fibers. The apparatus and process provide a single draw step in a heated environment, with the use of preferably four or six horizontal ovens.
Claims(31)  translated from Chinese
1.一种用于拉伸超高分子量聚烯烃纤维的加热设备,所述加热设备包括: 第一辊组; 多个对齐的炉,所述多个炉具有邻近所述第一辊组的一端以及相反端;和邻近所述多个炉的所述相反端的第二辊组,所述第一辊组和所述第二辊组适于提供所需的对所述聚烯烃纤维的拉伸。 1. A heating apparatus for stretching the ultrahigh molecular weight polyolefin fibers, said heating apparatus comprising: a first set of rollers; a plurality of aligned furnace, said furnace having a plurality of one end adjacent to the first roller set and an opposite end; and said plurality of furnace adjacent said opposite end of the second set of rollers, said first roller and said second roller set set adapted to provide a stretching of the polyolefin fibers needed.
2. 根据权利要求1所述的加热设备,其特征在于,所述纤维包括超高分子量聚乙烯纤维。 2. A heating apparatus according to claim 1, characterized in that said fiber comprises ultra high molecular weight polyethylene fibers.
3. 根据权利要求1所述的加热设备,其特征在于,仅所述第一辊组的一部分被加热。 3. A heating apparatus according to claim 1, characterized in that only a portion of said first set of rollers is heated.
4. 根据权利要求1所述的加热设备,其特征在于,所述炉为热空气循环炉。 4. The heating apparatus according to claim 1, characterized in that the furnace is a hot air circulation oven.
5. 根据权利要求1所述的加热设备,其特征在于,所述加热^殳备包括至少四个水平对齐的炉。 5. The heating apparatus according to claim 1, characterized in that said heating device comprises at least four ^ Shu horizontally aligned furnace.
6. 根据权利要求1所述的加热设备,其特征在于,所述加热设备包括至少六个水平对齐的炉。 6. The heating apparatus according to claim 1, characterized in that said heating device comprises at least six horizontally aligned furnace.
7. 根据权利要求1所述的加热设备,其特征在于,所述纤维在所述加热设备中在一个级中被拉伸。 7. The heating apparatus according to claim 1, wherein said fibers in said heating device is stretched in one stage.
8. 根据权利要求2所述的加热设备,其特征在于,所述第一辊组和所述第二辊组的每个辊组均包括7个辊。 8. The heating apparatus according to claim 2, characterized in that said first and said second set of rollers of each roller set of rollers includes seven rollers.
9. 根据权利要求2所述的加热设备,其特征在于,所述第一辊组和所述第二辊组的每个辊组均包括9个辊。 9. A heating apparatus according to claim 2, characterized in that said first and said second set of rollers of each roller set of rollers includes nine rollers.
10. 根据权利要求1所述的加热设备,其特征在于,所述加热设备包括用于穿过所述炉以近似的直线输送所述纤维的机构。 10. The heating apparatus according to claim 1, characterized in that said apparatus comprises means for heating the furnace through a straight line approximation of conveying said fibers.
11. 根据权利要求1所述的加热设备,其特征在于,所述第一辊组和所述第二辊组包括在所述加热设备中仅有的辊。 11. The heating apparatus according to claim 1, wherein said first set of rollers and said second roller set comprises only the heating roller apparatus.
12. —种用于拉伸超高分子量聚烯烃纤维的方法,所述方法包括使所述纤维穿过加热设备,所述加热设备包括:多个对齐的炉,所述多个炉具有邻近所述第一辊组的一端以及相反端;和邻近所述多个炉的所述相反端的第二辊组,所述第一辊组和所述第二辊组在一定条件下运行,以提供所需的对所述聚烯烃纤维的拉伸,以及在所述第一辊组和所述第二辊组之间将所述纤维拉伸至预定的拉伸比。 12. - methods for stretching polyolefin fibers, said method comprising contacting the fibers through the heating device, said heating device comprising: a plurality of aligned furnace, said furnace having a plurality of the adjacent One end of said first set of rollers and the opposite end; and said plurality of furnace adjacent said opposite end of the second set of rollers, said first roller and said second roller set set to run under certain conditions, to provide the required for stretching the polyolefin fibers, and between said first roller and said second roller set set the fiber is stretched to a predetermined draw ratio.
13. 一艮据权利要求12所述的方法,其特征在于,所述纤维包括聚乙烯纤维。 The method according to claim 13. According to a Gen, wherein said fibers comprise polyethylene fibers.
14. 根据权利要求12所述的方法,其特征在于,仅所述第一辊组的一部分#:加热。 14. The method according to claim 12, characterized in that only the portion of the first roller set #: heating.
15. 根据权利要求12所述的方法,其特征在于,所述炉为热空气循环炉。 15. The method according to claim 12, characterized in that the furnace is a hot air circulation oven.
16. 根据权利要求12所述的方法,其特征在于,所述设备包括至少四个水平对齐的炉。 16. The method according to claim 12, characterized in that said apparatus comprises at least four horizontally aligned furnace.
17. 根据权利要求12所述的方法,其特征在于,所述设备包括至少六个水平对齐的炉。 17. The method according to claim 12, characterized in that said apparatus comprises at least six horizontally aligned furnace.
18. 根据权利要求12所述的方法,其特征在于,所述方法包括在所述加热设备中在一个级中拉伸所述纤维。 18. The method according to claim 12, characterized in that the method comprises stretching the fibers in a stage in the heating apparatus.
19. 根据权利要求13所述的方法,其特征在于,所述笫一辊组和所述第二辊组的每个辊组均包括7个辊。 19. The method according to claim 13, characterized in that said roller set Zi and said second set of rollers each roller set includes seven rollers.
20. 根据权利要求13所述的方法,其特征在于,所述第一辊组和所述第二辊组的每个辊组均包括9个辊。 20. The method according to claim 13, wherein said first set of rollers and said second set of rollers each roller set includes nine rollers.
21. 根据权利要求12所述的方法,其特征在于,穿过所述炉以近似的直线输送所述纤维。 21. The method according to claim 12, characterized in that, through the furnace to approximate linear conveyance of the fibers.
22. 根据权利要求12所述的方法,其特征在于,所述纤维在所述炉中未被任何结构支承。 22. The method according to claim 12, characterized in that the fiber is not any structural support in the oven.
23. 根据权利要求12所述的方法,其特征在于,将所述纤维拉伸到大约1.1:1至大约15:1的拉伸比。 23. The method according to claim 12, wherein said fiber is stretched to about 1.1: 1 stretch ratio: 1 to about 15.
24. 根据权利要求12所述的方法,其特征在于,将所述纤维拉伸到大约1.2:1至大约10:1的拉伸比。 24. The method according to claim 12, wherein said fiber is stretched to about 1.2: 1 to about 10: 1 draw ratio.
25. 根据权利要求12所述的方法,其特征在于,所述方法以大约20米/分钟至大约100米/分钟的线速度运行。 25. The method according to claim 12, wherein said method is about 20 m / min to a linear velocity of about 100 m / minute run.
26. 根据权利要求12所述的方法,其特征在于,所述炉中的温度为大约125'C至大约160C。 26. The method according to claim 12, characterized in that the temperature in the furnace is from about 125'C to about 160 C.
27. 根据权利要求12所述的方法,其特征在于,所述炉中的温度为大约13(TC至大约15(TC。 27. The method according to claim 12, characterized in that the temperature in the furnace is about 13 (TC to about 15 (TC.
28. 根据权利要求12所述的方法,其特征在于,所述第一辊组和所述第二辊组包括在所述加热设备中仅有的辊。 28. The method according to claim 12, wherein said first set of rollers and the second roller set comprises only the heating roller apparatus.
29. 根据权利要求12所述的方法,其特征在于,由所述方法形成的所述纤维具有至少大约30克/但尼尔的韧度。 29. The method according to claim 12, wherein said fibers are formed by said method having at least about 30 g / denier tenacity.
30. 根据权利要求13所述的方法,其特征在于,由所述方法形成的所述纤维具有至少大约35克/但尼尔的韧度和至少大约1200克/ 但尼尔的初始抗张;溪量。 30. The method according to claim 13, wherein said fibers are formed by said method having at least about 35 g / denier and a tenacity of at least about 1200 g / denier initial tensile; Brook amount.
31. —种由根据权利要求12所述的方法形成的产品。 31. - products by the process according to claim 12, wherein the formation.
Description  translated from Chinese

用于拉伸聚烯烃纤维的加热设备和方法相关申请的交叉引用 CROSS-oriented polyolefin fibers heating apparatus and method REFERENCE TO RELATED APPLICATIONS

本申请要求于2005年12月20日提交的序列号60/751895的美国临时申请的权益。 This application claims the rights of the serial number 60/751895 on December 20, 2005 filed US provisional application.

发明背景 Background of the Invention

发明领域 Field of the Invention

本发明涉及用于拉伸聚烯烃纤维的加热设备和用于拉伸这类纤维的方法。 The present invention relates to a heating apparatus for stretching polyolefin fibers and a method for drawing such fibers.

相关技术的说明 Description of the related art

高韧度聚烯烃纤维如凝胶纺(gel-spun)聚乙烯纤维在本领域是公知的。 High tenacity polyolefin fibers, such as gel spinning (gel-spun) polyethylene fibers are well known in the art. 超高分子量聚烯烃包括聚乙烯、聚丙烯、聚丁-l-烯、聚4-甲基-戊-l-烯、它们的共聚物、混合物以及加合物。 Ultrahigh molecular weight polyolefin comprising polyethylene, polypropylene, polybutylene -l--ene, poly-4-methyl - pentene -l- ene, copolymers thereof, mixtures thereof and adducts. 它们由超高分子量的聚烯烃制备,且就聚乙烯来说,由超高分子量聚乙烯(UHMWPE)制备。 They consist of ultra high molecular weight polyolefin prepared, and it is polyethylene, ultra high molecular weight polyethylene (UHMWPE) was prepared. 这类纤维的制备和拉伸已在各种专利公布中进行了描述,这些公布包括美国专利4413110; 4430383; 4436689; 4536536; 4545950; 4551296; 4612148; 4617233; 4663101; 5032338; 5246657; 5286435; 5342567; 5578374; 5736244; 5741451; 5958582; 5972498; 6448359; 6969553 以及美国专利申请公布2005/0093200,上述公布的公开内容通过同此非不相容程度的引用而清楚地结合在本文中。 Preparation and drawing of such fibers have been described in various patent publication, these publications include U.S. Patent No. 4,413,110; 4,430,383; 4,436,689; 4,536,536; 4,545,950; 4,551,296; 4,612,148; 4,617,233; 4,663,101; 5,032,338; 5,246,657; 5,286,435; 5,342,567; 5,578,374; 5,736,244; 5,741,451; 5,958,582; 5,972,498; 6,448,359; 6,969,553 and U.S. Patent Application Publication 2005/0093200, the disclosures of published by incompatible with this degree of non-reference and expressly incorporated herein. 在美国专利申请公布2004/0040176中还^^开了一种用于^^立伸纤维的炉。 In U.S. Patent Application Publication 2004/0040176 also ^^ ^^ Li opened for extending fiber furnace.

UHMWPE纱线在许多应用如耐沖击性和防弹产品中使用。 UHMWPE yarns used in many applications such as impact resistance and ballistic products. 这些产品包括防弹衣、头盔、航空器防护物以及复合材料运动装备。 These products include body armor, helmets, shields and aircraft composite sports equipment. 它们还可用于钓丝、帆、绳索、缝合线以及织物。 They can also be used for fishing line, sails, ropes, sutures and fabrics.

在典型的拉伸构造中,通过将超高分子量聚乙烯的溶液纺丝、将'然 In a typical configuration drawing, by spinning a solution of ultrahigh molecular weight polyethylene, the 'natural

后将纺丝纤维拉伸至高度定向状态。 After spinning the fibers stretched to highly oriented state. 在拉伸操作中,典型地首先将纺丝纤维进给到第一堆已加热辊上,随后穿过一个或多个炉(典型地为四个),然后进给到第二堆已加热辊上,之后又进给到一个或多个另外的炉中(典型地为两个),且在巻绕纤维或纱线之前最终进给到第三堆已加热辊上。 In the stretching operation, typically spun fiber is first fed to the first batch of the heated roller, then through one or more of the furnace (typically four), and then fed to the second reactor has a heating roller on, and later fed to the one or more additional furnace (typically two), and before the final Volume wound fibers or yarns fed to the third reactor has a heating roller. 按照炉中的温度和温度曲线调节辊的速度和温度,以获得纤维或纱线的所需的拉伸比和产品特性。 The desired product characteristics in accordance with the draw ratio and temperature in the furnace and adjusting the temperature profile and the temperature of the roll speed, in order to obtain fibers or yarns. 根据此构造,纤维经受两级拉伸操作。 According to this configuration, the fibers are subjected to two stretching operation.

尽管这样的构造已产生了优良品质的纤维和纱线,但总体运行由于多个加热区和辊组而昂贵,并且限制了生产量。 Although such a configuration have produced good quality fibers and yarns, but the overall operation since a plurality of heating zones and a set of rollers and expensive, and limited production capacity. 值得期望的将是提供一种用于聚乙烯纤维的炉构造,该种炉构造运行较为低廉并且能以更高的速率提供拉伸的纤维或纱线。 Worth would be desirable to provide a furnace structure for polyethylene fibers, the kind of furnace construction and can be relatively cheap to run at a higher rate to provide the drawn fiber or yarn.

发明概述 Summary of the Invention

根据本发明,提供了一种用于拉伸超高分子量聚烯烃纤维的加热 According to the present invention, there is provided a method for heating the ultrahigh molecular weight polyolefin fiber tensile

设备,所述加热设备包括: 第一辊组; Apparatus, the heating apparatus comprising: a first roller set;

多个对齐的炉,该多个炉具有邻近第一辊组的一端以及相反端; A plurality of aligned furnace, the furnace having a plurality of rollers adjacent the end of the first group and an opposite end;

And

邻近该多个炉的相反端的第二辊组,该第一辊组和第二辊组适于提供所需的对聚烯烃纤维的拉伸。 A second plurality of the furnace adjacent the opposite end of the roller set, the first roller and second roller set is adapted to provide a drawing of polyolefin fibers needed.

此外根据本发明,提供了一种用于拉伸超高分子量聚烯烃纤维的方法,该方法包括使纤维经过加热设备,该加热设备包括: Further according to the present invention, there is provided a method for stretching ultrahigh molecular weight polyolefin fiber, which method comprises the fibers through a heating device, the heating device comprises:

多个对齐的炉,该多个炉具有邻近第一辊组的一端以及相反端; A plurality of aligned furnace, the furnace having a plurality of rollers adjacent the end of the first group and an opposite end;

And

邻近该多个炉的相反端的第二辊组,该第一辊组和第二辊组在一定条件下运行,以提供所需的对聚烯烃纤维的拉伸以及 A second plurality of the furnace adjacent the opposite end of the roller set, the first roller and second roller set in operation under certain conditions, to provide the desired stretching of the polyolefin fibers and

在第一辊组和第二辊组之间将该纤维拉伸至预定的拉伸比。 Between the first roller set and the second fiber draw rolls to a predetermined draw ratio. 已经发现,通过除去第二辊组并提供一系列水平的炉来改变先前的拉伸构造,可以以较低的资本费用、较低的运行费用以及较高的生产量获得具有合乎需要的属性的聚烯烃纤维如聚乙烯纤维。 It has been found, by removing the second roller set and a range of levels of the furnace to change the structure of the previous stretching, at a lower capital cost, lower operating costs and higher production amount obtained having desirable properties polyolefin fibers such as polyethylene fibers. 这类纤维还具有改善的属性。 Such fibers also have improved properties.

附图简述 BRIEF DESCRIPTION

当参考本发明优选实施例的下列详细说明以及附图时,将更充分地理解本发明并且另外的优点将变得显而易见,附图中: When the following detailed description with reference to the preferred embodiment of the present invention, when the drawings as well, the present invention will be more fully understood and further advantages will become apparent from the drawings in which:

图1为在聚乙烯纤维的拉伸中采用的典型的炉构造的示意图。 Figure 1 is a typical furnace structure in polyethylene fibers employed in a schematic drawing. 图2为本发明的炉构造的示意图,该炉构造可用于超高分子量聚乙烯纤维的拉伸。 Figure 2 a schematic view of the furnace structure of the present invention, the furnace may be configured for stretching the ultrahigh molecular weight polyethylene fibers.

发明详述 DETAILED DESCRIPTION

本发明包括一种用于拉伸超高分子量聚烯烃纤维的加热设备和一种用于拉伸这类纤维的方法。 The present invention comprises a heating apparatus for drawing ultra-high molecular weight polyolefin fibers and a method for drawing such fibers.

对本发明而言,纤维为其长度尺寸远大于宽度和厚度的横向尺寸的伸长体。 For purposes of this invention, the fiber length dimension much greater than its transverse dimensions of width and thickness of the elongated body. 因此,用语"纤维"包括具有规则或不规则截面的一个或 Thus, the term "fibers" includes having regular or irregular cross-section, or

多个单丝、复丝、丝带、条带、毛束(staple)及其它形式的切短、切断或不连续的纤维等。 A plurality of monofilament, multifilament, ribbon, strip, tufts (staple) and other forms of chopped, cut or discontinuous fiber and the like. 用语"纤维"包括上述任一项中的多个或其组合。 The term "fiber" includes a plurality of any of the preceding, or combinations thereof. 纱线为包括许多纤维或细丝的连续线束。 Yarn harness including a plurality of fibers or continuous filaments.

文中可用的纤维的截面可极大地变化。 Section of the fiber can be used herein can vary greatly. 这些纤维在截面上可以是圆的、扁的或拉长的。 These fibers in the cross section can be round, flat or elongated. 它们还可以具有不规则或规则的多突起的截面, 该截面具有从纤维的线性或纵向轴线伸出的一个或多个规则或不规则的突起部。 Multi-elevational cross-section which may also have an irregular or regular, this cross-section having one or more regular or irregular protrusions from the linear or longitudinal axis of the fiber projecting. 纤维优选具有大致圆的、扁的或拉长的截面,最优选为大致圆的截面。 Fibers preferably have a substantially circular, flat or elongated cross-section, and most preferably substantially circular cross-section.

在本发明中可用的超高分子量聚烯烃包括聚乙烯、聚丙烯、聚丁-l-烯、聚4-曱基-戊-l-烯、它们的共聚物、混合物以及加合物。 Usable in the present invention, ultrahigh molecular weight polyolefin include polyethylene, polypropylene, polybutylene -l- ene, poly-4-yl 曱 - pent -l- ene, copolymers thereof, mixtures thereof and adducts. 这些聚合物典型地具有当在135。 These polymers typically have when 135. C的萘烷中测量时的从大约5dl/g(分升/克)至大约45dl/g的固有粘度。 From about 5dl / g (dl / g) to the intrinsic viscosity of about 45dl / g of C in decalin measurement.

-优选地,待拉伸的喂入丝包括在萘烷中具有从大约8dl/g至40dl/g 的固有粘度的聚乙烯,更优选为从大约10dl/g至30dl/g,且最优选为从大约12dl/g至30dl/g。 - Preferably, the feed yarn to be drawn comprises having from about 8dl / g to 40dl polyethylene / g of intrinsic viscosity in decalin, and more preferably from about 10dl / g to 30dl / g, and most preferably from about 12dl / g to 30dl / g. 优选的是,待拉伸的纱线包括具有少于大约每一千个碳原子一个曱基的聚乙烯,更优选为少于每一千个碳原子0.5 个曱基的聚乙烯,并且聚乙烯少于其它成分的大约1%的重量。 Preferably, the yarn to be drawn comprises a less than about one per one thousand carbon atoms Yue group polyethylene, more preferably less than per one thousand carbon atoms 0.5 Yue group of polyethylene, and polyethylene less than the other ingredients of about 1 wt%. 超高分子量聚烯烃可包含少量的、通常小于大约5%重量的且优选为小于大约3%重量的添加剂,例如抗氧化剂、热稳定剂、着色剂、流动助剂、溶剂等。 Ultrahigh molecular weight polyolefin may contain minor amounts, usually less than about 5% by weight and preferably less than about 3% by weight of additives, such as antioxidants, thermal stabilizers, colorants, flow aids, solvents and the like.

待拉伸的凝胶纺聚乙烯纤维在本发明的方法中可预先地拉伸,或者它们可以处于实质未拉伸的状态。 Be stretched gel-spun polyethylene fibers may be pre-stretched in the method of the present invention, or they may be in essence unstretched state. 用于形成凝胶纺聚乙烯喂入丝的方法可以是例如由以下美国专利号的专利所述方法中的任何方法,这些美国专利号为4551296,4663101,5741451和6448659。 The method for forming a gel-spun polyethylene feed yarn can be for example by following the method described in Patent U.S. Patent No. any methods, these U.S. Patent No. 4551296,4663101,5741451 and 6448659.

就聚乙烯来说,适当的纤维是那些具有至少大约150000的加权平均分子量的纤维,优选为至少大约一百万,且更优选为在大约两百万至大约五百万之间。 On polyethylene, the appropriate fibers are those fibers having a weight average molecular weight of at least about 150,000, preferably at least about one million and more preferably between about two million and about five million. 就高分子量聚丙烯纤维来说,这些纤维可具有至少大约200000的加权平均分子量,优选为至少大约一百万且更优选为至少大约两百万。 Is a high molecular weight polypropylene fibers, these fibers can have a weighted average molecular weight of at least about 200,000, preferably at least about one million and more preferably at least about two million.

当通过ASTM D2256-97以10英寸(25.4cm)的测量长度和100%/ 分钟的应变率测量时,喂入丝的韧度可以从大约2g/d(克/但尼尔)到76g/d变动,优选为从大约5g/d到66g/d,更优选为从大约7g/d到51g/d。 When by ASTM D2256-97 with 10 inches (25.4cm) of the measuring length and 100% / min strain rate measurement, a tenacity of the feed yarn may range from about 2g / d (g / denier) to 76g / d change, preferably from about 5g / d to 66g / d, more preferably from about 7g / d to 51g / d.

在下列说明中典型地参照聚乙烯纤维,但应理解这样的公开内容也适用于其它的聚烯烃纤维。 Typically Referring polyethylene fibers in the following description, it is to be understood that such disclosure is also applicable to other polyolefin fibers.

参看图1,在示意图中示出了用于超高分子量聚乙烯纱线的典型的拉伸操作10。 Referring to Figure 1, a schematic diagram is shown in a typical stretch yarn used in the operation of the ultra-high molecular weight polyethylene 10. 纱线12从源(未示出)进给并从辊16的第一组14上经过。 After the yarn 12 from a source (not shown) fed from the first group 14 and roller 16. 这些辊典型地被加热到所需的温度。 These rolls are typically heated to the desired temperature. 离开辊的纱线18被进给到四个相邻的水平炉中,仅示出了其中的两个炉20,22。 The yarn leaves the roller 18 is fed to the four adjacent horizontal furnace, shows only one of the two furnaces 20, 22. 这些炉可以是热空气循环炉。 The furnace may be a hot air circulation oven. 离开第一組炉的纱线24然后从辊28的第二组26上经过并被拉伸为纱线30。 The yarn left the first furnace 24 and then through the second set 26 from the roller 28 and is drawn into the yarn 30. 纱线30然后被进给到另两个相邻的炉32,34 中,这些炉也是热空气循环炉,离开炉34的纱线36然后进给到辊40 的第三组38上并被再次拉伸至所需量。 Yarn 30 is then fed to the third group 38 to another two adjacent furnace 32, 34, the furnace is a hot air circulating oven, the yarn 34 leaving the furnace 36 and then fed to the rollers 40 and is again stretched to the desired amount. 然后将成品纱线42进给到巻绕工位(未示出)。 The finished product is then fed to the yarn 42 Volume unwinding station (not shown). 通过采用三个辊组,纤维经受两级拉伸操作。 By using three rolls, stretch fibers undergo two operations.

参看图2,在示意图中示出了本发明的加热设备110。 Referring to Figure 2, a schematic diagram is shown in the heating apparatus 110 of the present invention. 超高分子量聚乙烯纱线112从源(未示出)进给并从从动辊116的第一组114上穿过。 UHMWPE yarn 112 from a source (not shown) from the feed driven roller and through the first set 114 116. 这些辊不需要加热,尽管优选地最初几个辊不被加热而余下的辊被加热以在拉伸之前对纤维预热。 These rollers do not need heating, although preferably not heated first few rollers and the remaining rollers is heated to preheat the fiber before stretching. 虽然图2中示出了总共7个辊, 但根据所需的构造,辊数可更高或更低。 Although Figure 2 shows a total of seven rolls, but according to the required configuration, the number of rollers may be higher or lower. 纱线118进给到六个相邻的水平炉120,122,124,126,128,130中,所有的这些炉优选为热空气循环炉。 Yarn 118 is fed to the six adjacent horizontal furnace 120,122,124,126,128,130, all of these furnaces is preferably hot air circulation oven. 纱线在炉中优选未被支承。 Yarn in the oven is preferably unsupported. 离开末尾炉130的纱线132然后从从动辊136的第二组134上穿过,并被拉伸成成品纱线138。 Left end 132 of the furnace 130 and then through the yarn from the second set of driven rollers 134 136, 138 and stretched into finished yarn. 辊136的笫二组134应是冷的,以便将成品纱线在张力下冷却到至少低于大约9(TC以保持其定向和形态。第二组134中的辊数可高于或低于图2中所示的7个辊的数目,并且可以与第一辊组114中的辊数相同或不同。 离开第二辊组134的纱线138然后进给到巻绕工位(未示出)。通过采用仅两个辊组,纤维经受单级拉伸操作。在第一辊组114和第二辊组134之间拉伸纤维。调节张力以使纤维不需要在炉中进行支承。因而, 在各炉中不需要空转辊或其它的支承装置。 Roller 136 Zi two groups 134 should be cold, so that the finished yarn is cooled under tension to at least less than about 9 (TC in order to maintain its orientation and morphology. The second group 134 may be higher or lower than the number of rolls 7 the number of rolls shown in FIG. 2, and can be the first roller set 114 is the same as or different from the number of rolls. 134 away from the second roller set 138 is then fed to the yarn Volume unwinding station (not shown ). By using only two rolls, the fiber is subjected to single-stage stretching operation between the first roller set 114 and the second roller 134, the drawn fiber. adjust the tension so that the fiber does not need to be supported in the furnace. Thus In each of the furnace does not require idle rollers or other support means.

可以看出,在如图2中所示的本发明实施例中的是较为简单的设计,在该设计中仅需要两个辊组。 As can be seen, the present invention is shown in FIG. 2 embodiment is the relatively simple design, the design requires only two rollers. 典型设备的中间辊组已被除去并由两个另外的热空气炉所替代。 Intermediate roller set typical device has been removed by two additional hot air oven replaced. 另外,不是所有的入口辊组都需要被加热,而是仅最靠近炉进口的辊可能被力口热。 Further, not all inlet rollers needs to be heated, but only the closest to the furnace may be imported roller force mouth heat. 例如,在一种带有九个辊组构造的实施例中,仅优选加热最接近炉进口的末尾三个辊。 For example, in the embodiment of a structure with nine rollers, preferably heated only at the end closest to the furnace import three rollers.

在备选实施例中,中部炉(124,126)不包括在加热设备中,而是除去了典型构造的中间辊组且仅采用总共四个水平的炉(120,122,128,130)。 In an alternative embodiment, the central furnace (124, 126) not included in the heating apparatus, but the removal of the typical structure of the intermediate roller set and the use of only a total of four horizontal furnace (120,122,128,130).

本发明的加热设备中所采用的炉的数目和尺寸可以变化。 Heating apparatus of the present invention employed in the number and size of the furnace can be varied. 优选地有或者四个或者六个以水平方式对齐的炉。 Preferably there are four or six or horizontally aligned furnace. 这些炉可以在长度方面变 These furnaces can be changed in length

化。 Technology. 例如,各炉可以为大约IO英尺至大约16英尺(3,05米至4.88米) 长,更优选为大约11英尺至大约13英尺(3.35米至3.96米)长。 For example, each furnace may be about IO feet to about 16 feet (3,05 m to 4.88 m) long, more preferably from about 11 feet to about 13 feet (3.35 to 3.96 meters) long. 它们的宽度可以为任何适当的宽度。 Their width may be of any suitable width.

通过热成像测量和纱线速度测量已发现在典型的拉伸过程中,由第一辊组加热的纱线在其到达第一组炉(炉20,22)之前已经冷却下来。 By measuring the thermal imaging and yarn velocity measurements have been found in a typical drawing process, from the first set of heated rollers reach the first set of yarn furnace after it has cooled down (oven 20,22) before. 因此,第一炉组的一部分被用来加热纱线而非拉伸纱线。 Thus, part of the first furnace is used to heat set yarn, not drawn yarn. 尽管第二辊组确实26再次加热纱线,但纱线在其到达第二组炉(炉32,34)之前已经开始冷却。 Although the second roller set 26 really heated yarn again, but the yarn has started to cool before it reaches the second set of furnace (furnace 32, 34). 类似地,第二炉组的一部分被用来加热纱线而非拉伸纱线。 Similarly, part of the second furnace is used to heat set yarn, not drawn yarn. 已经发现,纱线在其中经受加热、冷却、加热、冷却步骤的此方法在获得所需的高拉伸比以获得高极限抗张强度(UTS)、高韧度和高模量方面不如所期望的那样有效。 It has been found, in which the yarn is subjected to heating, cooling, heating, cooling step in this method to obtain the desired high draw ratio to obtain a high ultimate tensile strength (UTS), high tenacity and high modulus as good as desired as effective. 另外,由于需要三个辊组,故降低了运行产量并增加了资本成本。 Further, due to the need of three roller sets, it reduces the yield and increases the running cost of capital.

已经发现,通过除去中间辊组,纱线不经受典型方法的加热、冷却、加热、冷却的过程步骤。 It has been found, by removing the intermediate roller set, the yarn is not subjected to the typical methods of heating, cooling, heating, cooling process steps. 相反地,纱线维持为连续拉伸纱线而所需的热。 Conversely, heat is maintained continuously stretched yarn yarns required. 因此,可以以较高的速度来制造纱线并且该纱线可具有改善的韦刃度、模量和极限抗张强度。 Therefore, it can be manufactured at a higher speed of the yarn and the yarn may have a degree of edge Wei, improved modulus and ultimate tensile strength. 直线的炉布置也提高了运行效率。 Furnace line layout is also improved operational efficiency.

可以看出,加热设备允许仅利用两个辊组来连续、单级地4i伸处于受热下的纤维或纱线。 As can be seen, the heating device allows only the use of the two rolls to a continuous, single-stage to 4i stretch in fiber or yarn under heat. 另外,本发明的该设备和方法可操作来远离最大拉伸比而拉伸纤维,以降低断裂细丝的可能性。 Further, the apparatus and method of the present invention is operable to draw away from the maximum draw ratio and the fiber, to reduce the likelihood of breakage of filaments.

穿过加热设备的纱线的温度和速度可以如所需地变化。 Temperature and speed of the yarn through the heating device can be varied as desired. 例如,在炉中可存在一个或多个温度受控区,且各区具有从大约125"至大约16(TC的温度,更优选为大约13(TC至大约150C。优选地,区域内的 For example, there may be one or more temperature-controlled zones in a furnace, and the district having from about 125 "to about 16 (TC temperature, more preferably from about 13 (TC to about 150 C. Preferably, the region of

温度控制为变化小于士2。 Temperature control for variation of less than 2. c(合计小于4。c),更优选地小于 rc(合计 c (total less than 4.c), more preferably less than rc (Total

小于2。 Less than 2. C)。 C).

纱线的拉伸产生热量。 Drawn yarn generates heat. 在纱线和炉空气之间具有有效的热传输是所期望的。 Between the yarn and the oven air having efficient heat transfer is desirable. 优选地,炉内的空气循环处于紊流状态。 Preferably, the air circulation furnace in turbulent state. 在纱线附近的时均气流速度优选为大约1米/分钟至大约200米/分钟,更优选为大约2米/分钟至大约100米/分钟,且最优选为大约5米/分钟至大约100米/ 分钟。 When the average gas velocity near the yarn is preferably about 1 m / min to about 200 m / min, more preferably about 2 m / min to about 100 m / min, and most preferably from about 5 m / min to about 100 m / min.

如上所指出,加热设备110中的纱线通道优选地为从各炉的入口至出口的近似直线。 As noted above, the heating device 110 is preferably a yarn passage from the inlet to the outlet of the furnace of each approximate straight line. 通过调节各辊的速度或通过炉温曲线,可以调节纱线张力曲线。 By adjusting the speed of the rollers or by temperature curve, you can adjust the yarn tension curve. 通过增大连续的从动辊的速度之间的差异或降低炉内的温度,可以-提高纱线张力。 By continuously increasing the speed difference between the driven roller or the lower the temperature of the furnace, can - increase yarn tension. 优选地,炉内的纱线张力近似恒定或穿过炉而渐增。 Preferably, the yarn tension furnace through the furnace and is approximately constant or increasing.

典型地,将多包待拉伸的凝胶纺聚乙烯纱线放置在线轴架(creel) 上。 Typically, the package will be stretched more gel-spun polyethylene yarns placed online creel (creel) on. 多个纱线端并行地从线轴架穿过设定进给速度的第一组辊进给到拉伸炉中,由此穿过炉并出来到第二组辊,该第二组辊设定纱线退出速度并且冷却处于张力下的纱线。 A plurality of parallel yarn end from the creel through a first set feedrate set of rollers is fed to draw furnace, whereby through the furnace and out into the second set of rollers, the second set of rollers set yarn exit speed and cooling in the yarn under tension. 纱线中的张力在冷却时被足够地维持,以将纱线保持在它的拉伸长度而忽略热收缩。 The yarn tension is maintained at sufficiently cooled, to keep the yarn in its stretched length while ignoring heat shrinkage.

取决于所需的纤维属性,纤维的总体拉伸比可以变化。 Depending on the desired properties of the fibers, the overall draw ratio of the fibers may vary. 例如,拉伸比可以从大约1.1:1到大约15:1变动,更优选地从大约1.2:1到大约10:1,且最优选地从大约1.5:1到大约10:1。 For example, the stretching ratio may be from about 1.1: 1 to about 15: 1 variation, more preferably from about 1.2: 1 to about 10: 1, and most preferably from about 1.5: 1 to about 10: 1.

穿过本发明的加热设备的纤维速度也可以变化。 Through the heating apparatus of the present invention can also vary the speed of the fiber. 例如,如通过第二辊组的速度所测量的典型的线的速度可以为大约20米/分钟至100 米/分钟,更优选为大约30米/分钟至大约50米/分钟。 For example, as a typical line speed through the speed of the second set of rollers can be measured from about 20 m / min to 100 m / min, more preferably from about 30 m / min to about 50 m / min. 线速度还取决于所需的纱线纤度。 Line speed also depends on the required fineness of the yarn.

本发明的设备和方法可用于制造高韧度纤维。 Apparatus and methods of the invention can be used in the manufacture of high tenacity fibers. 如文中所用,用语"高韧度纤维"指具有等于或大于大约7g/d韧度的纤维。 As used herein, the term "high tenacity fibers" means equal to or greater than about 7g / d tenacity fibers. 优选地,这些纤维具有至少大约150g/d的初始抗张模量和至少大约8J/g的断裂能,如由ASTMD2256所测量。 Preferably, these fibers have at least about 150g / d initial tensile modulus of at least about 8J / g of the fracture energy, as measured by ASTMD2256. 如文中所用,用语"初始抗张冲莫量"、 "抗张模量"和"模量"指对于纱线的如由ASTM 2256所测量的弹性模量。 As used herein, the term "initial anti Zhang Chong Mo amount", "tensile modulus" and "modulus" means for the yarn, such as modulus of elasticity as measured by ASTM 2256.

取决于成形技术、拉伸比和温度以及其它条件,可以对这些纤维赋予各种属性。 Depending on the forming technology, the draw ratio and temperatures, and other conditions, a variety of properties can be imparted to these fibers. 聚乙烯纤维的韧度为至少大约7g/d,优选地为至少大约15g/d,更优选地为至少大约20g/d,更加优选地为至少大约25g/d,且最优选地为至少大约30g/d。 The tenacity of the polyethylene fibers is at least about 7g / d, preferably at least about 15g / d, more preferably at least about 20g / d, more preferably at least about 25g / d, and most preferably at least about 30g / d. 类似地,如由英斯特朗(Instron)张力试验机所测量,纤维的初始抗张模量优选地为至少大约300g/d,更优选地为至少大约500g/d,更加优选地为至少大约1000g/d且最优选地为至少大约1200g/d。 Similarly, as measured by Instron (Instron) tensile tester, the fibers of the initial tensile modulus is preferably at least about 300g / d, more preferably at least about 500g / d, more preferably at least about 1000g / d and most preferably at least about 1200g / d. 在最优选的实施例中,纤维在拉伸后具有至少大约35g/d的韧度和至少大约1200g/d的模量。 In the most preferred embodiment, the fibers having tenacity after stretching at least about 35g / d and a modulus of at least about 1200g / d of. 许多细丝具有比形成这些细丝的聚合物的熔点更高的熔点。 Many filaments having a melting point higher than the melting point of the polymers formed of these filaments. 因此,例如具有大约150000、大约一百万以及大约两百万分子量的高分子量聚乙烯通常具有138。 Thus, for example, of about 150,000, about one million and about two million molecular weight generally have a high molecular weight polyethylene 138. C的本体(bulk)形式熔点。 Body C of (bulk) form the melting point. 由这些材料制成的高度定向的聚乙烯细丝具有比其高大约7。 Polyethylene filaments made of these materials are highly oriented with high than about 7. C至大约13。 C to about 13. C的熔点。 C melting point. 因此,在熔点方面的细微升高反映了细丝与本体聚合物相比的结晶完整性和较高的结晶定向。 Thus, subtle increases in terms of the melting point of the filaments and reflects the bulk polymer compared to crystalline perfection and higher crystalline orientation.

生成的纱线或许具有任何适当的纤度,例如大约50但尼尔至大约3000但尼尔,更优选地为大约75但尼尔至大约2000但尼尔。 Produced yarn may have any suitable denier, such as about 50 denier to about 3000 denier, more preferably about 75 denier to about 2000 denier. 细纤度产品的实例包括那些75,100,130,150,180,215,375以及435但尼尔的产品。 Examples of products include fine denier and 435 denier 75,100,130,150,180,215,375 those products. 高纤度产品的实例包括900、 1100以及1300但尼尔。 Examples include product fineness 900, 1100 and 1300 denier. 根据所需的纱线纤度来选择喂入丝的纤度。 According to the required fineness of the yarn to select the fineness of the feed yarn. 例如,为了制造1300但尼尔的纱线,喂入丝可以为2400但尼尔且因此拉伸比为大约1.85:1。 For example, in order to produce a 1300 denier yarn, the feed yarn may be a 2400 denier and therefore stretch ratio of about 1.85: 1. 为了制造375但尼尔的产品,喂入丝可以为650且拉伸比为大约1.73。 In order to produce the product 375 denier feed yarn may be 650 and a tensile ratio of about 1.73.

由本发明的设备和方法所制造的纱线可以在这类纱线所适用的各种应用中使用。 Yarns by the apparatus and method of the present invention can be used in the manufacture of such a yarn apply a variety of applications. 这些纱线用在耐冲击性性和防弹的产品中,例如防弹衣(防弹背心等)、头盔、航空器防护物和座位、复合材料运动装备, 以及用在钓丝、帆、绳索、缝合线和织物(例如机织的、针织的、编织的或非机织的)中。 These yarns used in impact resistance and bulletproof products, such as body armor (bullet-proof vests, etc.), helmets, shields and aircraft seat, composite sports equipment, as well as in fishing line, sails, ropes, sutures and Fabrics (e.g., woven, knitted, woven or non-woven) of. 典型的非机织织物包括定向纱线的单向排列。 Typical non-woven fabric comprising yarns arranged unidirectionally oriented. 由这类纱线形成的织物可以与基质树脂一起使用。 Fabrics formed from such yarns may be used with the matrix resin. 这些纱线可以与既包括高强度的纱线又包括常规强度的纱线的其它类型的纱线相混合。 These yarns can include both high strength yarn also include other types of conventional strength of the yarn is mixed yarn.

为提供对本发明更全面的了解,呈现了下列非限制性的实例。 To provide a more complete understanding of the present invention, showing the following non-limiting examples. 为说明本发明的原理而阐述的特定技术、条件、材料、比例以及所报告的数据是示范性的,且不应解释为限制本发明的范围。 To illustrate the principles of the invention are set forth in particular technique, conditions, materials, proportions and reported data are exemplary, and should not be construed as limiting the scope of the invention. 实例 Examples

实例1(比4交的) Example 1 (ratio 4 post)

超高分子量聚乙烯纤维在炉构造中的两级拉伸中拉伸,该炉构造包括第一组的四个炉和第二组的两个炉,以图l所描绘的方式带有第一辊组、中间的第二辊组和第三辊组。 UHMWPE fiber stretched in a two-stage configuration in the drawing furnace, the furnace structure comprises a first group of four furnaces and two furnaces of the second group, to the manner depicted in Figure l with a first roller set, the intermediate roller set of the second and third rollers.

各炉的长度为12英尺(3.66m),因此第一组的4个炉总计48英尺(14.63m)而第二组的炉总计24英尺(7.32m)。 The length of each furnace is 12 feet (3.66m), and thus the first group of four furnaces totaling 48 ft (14.63m) and the second set of the total furnace 24 feet (7.32m).

辊的温度如下:第一组-125。 Temperature of the roll is as follows: a first group of -125. C、第二组=125(:而第三组=25(3。 第一组炉和第二组炉的温度为150。C。 C, the second group = 125 (:. The third group = 25 (3 a first group and a second furnace set temperature of the furnace is 150.C.

开始的纤度为2400而最终的纤度为1100。 Fineness of 2400 and the beginning of a final fineness of 1100. 拉伸比为2:2:1。 Stretch ratio of 2: 2: 1. 第一辊组的速度为16m/min,第二辊组的速度为26m/min而第三辊组的速度为34m/min。 Speed of the first roller set is 16m / min, the speed of the second roller set is 26m / min and a third roller set speed 34m / min.

最后得到的纤维韧度为35g/d至37g/d,且初始抗张模量为1150g/d 至1200g/d。 The resulting fiber tenacity of 35g / d to 37g / d, and an initial tensile modulus of 1150g / d to 1200g / d.

实例2 Example 2

在此实例中,超高分子量聚乙烯纤维在炉构造中的单级拉伸中拉伸,该炉构造以图2所描绘的方式包括一组六个水平对齐的炉。 In this example, ultrahigh molecular weight polyethylene fiber in the furnace structure in the single-stage stretching in the stretching, the furnace structure in the manner depicted in Figure 2 comprises a set of six horizontally aligned furnace. 仅使用了两个辊组,入口组(第一组)和出口组(第二组)。 Only uses two rollers, entry group (the first group) and export group (Group II).

各炉的长度为12英尺(3.66米),因此六个炉的总长度为72英尺(21.95米)。 The length of each furnace is 12 feet (3.66 meters), so the total length of the furnace is 72 feet six (21.95 meters).

第一辊组具有125。 The first group has 125 rolls. C的温度,而第二辊组具有25。 C temperature, and a second roller set with 25. C的温度。 C temperature. 各炉的温度为150C。 The temperature of each oven is 150 C.

开始的纤度为2400但尼尔,而最终的纤度为1100但尼尔且拉伸比为2:1:1。 Fineness of 2400 denier beginning, and the final fineness of 1100 denier and a tensile ratio of 2: 1: 1. 用于第一辊组的速度为20m/min而第二辊组的速度为44m/min。 For the speed of the first roller set is 20m / min and the speed of the second roller set is 44m / min.

最后得到的纤维韧度为37g/d至39g/d,且初始抗张模量为1250g/d 至1300g/d。 The resulting fiber tenacity of 37g / d to 39g / d, and an initial tensile modulus of 1250g / d to 1300g / d. 可以看出,在实例2中采用的且以实例2的方式运行的加热设备提供了具有比实例1的炉构造的纤维更高韧度和模量的纤维。 As can be seen, the heating device 2 by way of example and running used in Example 2 provided a higher than the fiber having a tenacity and modulus of the furnace structure of an instance of the fibers. 此外, 实例2的线速度显著比实例1中要高,因此该方法的生产率方面有提高。 Further, examples of the linear velocity of 2 is significantly higher than that in Example 1, and therefore productivity of the method has been improved.

可以看出,本发明提供了一种设备和方法,其用于以节省成本和操作友好的方式形成拉伸的超高分子量聚烯烃纤维和纱线如聚乙烯纤维和纱线。 As can be seen, the present invention provides an apparatus and method for use in order to save costs and operational friendly manner forming stretched polyolefin fibers and yarns, such as polyethylene fibers and yarns. 生成的纱线具有合乎需要的属性,以用在各种高要求的应用中。 Resulting yarns have desirable properties, for use in a variety of demanding applications in.

尽管已相当充分详细地描述了本发明,但将要理解的是这种细节不必严格地遵守,相反本领域技术人员可想到所有落入如由所附权利要求限定的本发明范围内的其它的变化和修改。 Although quite fully described the invention in detail, it will be understood that such detail need not be strictly adhered to, contrary to those skilled in all conceivable other variations as fall within the appended claims as defined by the scope of the invention and modifications.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
CN101831719A *21 May 201015 Sep 2010江苏神泰科技发展有限公司High-performance fiber synchrotron radiation in-situ testing machine
CN102574340A *29 Jul 201011 Jul 2012霍尼韦尔国际公司High strength ultra-high molecular weight polyethylene tape articles
CN102574340B *29 Jul 201011 Mar 2015霍尼韦尔国际公司High strength ultra-high molecular weight polyethylene tape articles
Classifications
International ClassificationD02J1/22, D02J13/00
Cooperative ClassificationD02J13/00, D02J1/22
European ClassificationD02J13/00, D02J1/22
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