WO2020168616A1 - 一种钨丝合捻包覆防切割纱线的制备方法及用其制备纺织品的方法 - Google Patents

一种钨丝合捻包覆防切割纱线的制备方法及用其制备纺织品的方法 Download PDF

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WO2020168616A1
WO2020168616A1 PCT/CN2019/080735 CN2019080735W WO2020168616A1 WO 2020168616 A1 WO2020168616 A1 WO 2020168616A1 CN 2019080735 W CN2019080735 W CN 2019080735W WO 2020168616 A1 WO2020168616 A1 WO 2020168616A1
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yarn
twist
tungsten wire
tungsten
coated
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PCT/CN2019/080735
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English (en)
French (fr)
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林鑫
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鸿瀚防护科技南通有限公司
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Priority to EP19734225.6A priority Critical patent/EP3722467B1/en
Publication of WO2020168616A1 publication Critical patent/WO2020168616A1/zh

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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/442—Cut or abrasion resistant yarns or threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
    • D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/20—Metallic fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
    • D10B2321/0211—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene high-strength or high-molecular-weight polyethylene, e.g. ultra-high molecular weight polyethylene [UHMWPE]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/04—Outerwear; Protective garments
    • D10B2501/041—Gloves

Definitions

  • the invention relates to the field of yarns, in particular to a method for preparing a tungsten filament twist-coated anti-cutting yarn and a method for preparing textiles using the same.
  • Cut-resistant gloves are functional gloves. In order to achieve their cut-resistant performance, the existing cut-resistant gloves are often realized by increasing the thickness of the gloves. The cut-resistant properties of the gloves increase with the increase of the thickness of the gloves, which greatly affects the performance of the gloves. The experience of use is rigid, not easy to bend, and heavy, which increases the burden on the operator.
  • the present invention provides a method for preparing a tungsten filament twist-coated anti-cutting yarn and a method for preparing textiles using the same.
  • a preparation method of tungsten filament twist-coated anti-cutting yarn includes the following operation steps:
  • tungsten wire twisted yarn the auxiliary yarn I and tungsten wire are twisted and twisted with a twist of 400-700 twists/m to prepare tungsten wire twisted yarn;
  • tungsten filament twisted-coated anti-cutting yarn high molecular weight polyethylene fiber is coated on the outer layer of the tungsten filament twisted yarn prepared in step a, with a twist of 120-280 twists/m, and the obtained product Tungsten wire twists and wraps the anti-cut yarn.
  • the proportion of tungsten filaments in the tungsten twisted yarn is 35-75%, and the proportion of auxiliary yarn I is 25-65%.
  • the auxiliary yarn I is selected from one of nylon, polyester, cotton yarn, bamboo fiber and Tencel, and the specification of the linear density of the auxiliary yarn I is 40-140D.
  • linear density of the nylon is preferably 40D, 50D, 70D, 100D or 140D.
  • the tungsten wire in the step a is selected from one or more of tungsten wires with diameters of 0.01 mm, 0.015 mm, 0.02 mm, 0.025 mm, and 0.03 mm.
  • the proportion of the tungsten twisted yarn in the tungsten twisted coating cut-resistant yarn is 35-65%, and the proportion of the polyethylene fiber is 35-65%.
  • the molecular weight of the polyethylene fiber in the step b is 10-500W, and the specification of the linear density is 50D-400D.
  • linear density of the polyethylene fiber is preferably 50D, 100D, 150D, 200D, 300D or 400D.
  • a method for preparing a textile from a tungsten filament twist-coated anti-cutting yarn The spandex stretch yarn and tungsten filament twist-coated anti-cut yarn are made into a textile by a double yarn feeder U2 knitting process.
  • the proportion of the covered anti-cutting yarn is 60-80%, and the proportion of the spandex elastic yarn is 20-40%.
  • the spandex elastic yarn is nylon-coated spandex, polyester-coated spandex or polyethylene fiber-coated spandex, and the spandex elastic yarn is composed of a spandex yarn with a specification of 20-100D and an auxiliary yarn with a specification of 50-200D. It is prepared with a twist of 580 twists/meter, the auxiliary yarn II is nylon, polyester or polyethylene, and the spandex elastic yarn has a Ra ratio of 1.5-2.4.
  • the beneficial effects of the present invention are: 1. Using tungsten wire as the raw material, the hardness of the tungsten wire is 9, which is second only to the hardest material in the world, diamond, and the prepared textile has higher hardness, while being thin and light. A large country producing tungsten filaments, its reserves account for 75% of the total global reserves. Therefore, the present invention has the advantages of wide sources of raw materials and low cost; 2.
  • the fabrics prepared are light, thin and soft, and have ultra-high cut resistance and excellent The electrical conductivity, chemical stability, bending resistance, and washing resistance are not easy to deform. At the same time, it can reach the American standard ASTM anti-cutting grade A6 and above, the European standard ISO grade F and above, the EU EN388 standard abrasion resistance grade 4, Cutting performance level 5, tear resistance level 4, puncture resistance level 4.
  • Figure 1 is a schematic diagram of the structure of the tungsten wire twisted yarn in the present invention (one auxiliary yarn I and one tungsten wire).
  • Figure 2 is a schematic diagram of the structure of the tungsten filament twisted yarn in the present invention (one auxiliary yarn I and two or more tungsten filaments).
  • Fig. 3 is a schematic diagram of the structure of the tungsten wire twist-coated anti-cutting yarn of the present invention (a auxiliary yarn I, a tungsten wire and a polyethylene fiber).
  • Fig. 4 is a schematic diagram of the structure of the tungsten filament twist-coated anti-cutting yarn of the present invention (one auxiliary yarn I, two or more tungsten filaments and one polyethylene fiber).
  • Figure 5 is a schematic diagram of the structure of the spandex elastic yarn of the present invention.
  • Auxiliary yarn I 1. Tungsten filament, 3. Polyethylene fiber, 4. Spandex yarn, 5. Auxiliary yarn II.
  • a preparation method of tungsten filament twist-coated anti-cutting yarn includes the following operation steps:
  • tungsten filament twisted yarn as shown in Figure 1 and Figure 2, the auxiliary yarn I1 and tungsten filament 2 are twisted and twisted with a twist of 400-700 twists/meter to prepare a tungsten filament twisted yarn.
  • Tungsten filament accounts for 35-75%
  • auxiliary yarn I1 accounts for 25-65%
  • auxiliary yarn I1 is selected from nylon, polyester, cotton yarn, bamboo fiber and tencel.
  • the linear density of auxiliary yarn I1 The specification is 40-140D, and the tungsten wire 2 uses one of the tungsten wires with diameters of 0.01mm, 0.015mm, 0.02mm, 0.025mm and 0.03mm;
  • tungsten filament twisted and wrapped anti-cutting yarn as shown in Figure 3 and Figure 4, the outer layer of the tungsten filament twisted yarn prepared in step a is covered with high molecular weight polyethylene fiber 3, and the twist 120-280 twists/m, the tungsten filament twisted and cut-resistant coated yarn is prepared.
  • the tungsten twisted twisted yarn accounts for 35-65% of the tungsten filament twisted and cut-resistant yarn.
  • Polyethylene fiber 3 The proportion is 35-65%, the molecular weight of the polyethylene fiber is 10-500W, the linear density specification is 50D-400D, and the linear density specification of the polyethylene fiber is preferably 50D, 100D, 150D, 200D, 300D or 400D.
  • the method for preparing textiles with the above-mentioned tungsten filament twist-coated anti-cutting yarn is as follows: the spandex stretch yarn and tungsten filament twist-coated anti-cutting yarn are made into a textile by a double yarn feeder U2 knitting process.
  • the proportion of twist-coated anti-cut yarn is 60-80%
  • the proportion of spandex elastic yarn is 20-40%
  • the spandex elastic yarn is nylon-coated spandex, polyester-coated spandex or polyethylene fiber-coated spandex, as shown in Figure 5.
  • Spandex elastic yarn is made of spandex yarn 4 with specifications of 20-100D and auxiliary yarn II5 with specifications of 50-200D with 180-580 twists/m.
  • the auxiliary yarn II is nylon, polyester or polyethylene, and the elasticity of spandex
  • the rabbi of yarn is 1.5-2.4.
  • the auxiliary yarn I in Comparative Example 1 to Comparative Example 3 and Example 1 to Example 4 is nylon, and the auxiliary yarn I in Comparative Example 4 and Comparative Example 5 and Example 5 to Example 8 is polyester.
  • the auxiliary yarn I in 9 to Example 11 is cotton yarn, the auxiliary yarn II in Comparative Example 1 to Comparative Example 3 and Example 1 to Example 4 is nylon, and Comparative Example 4 and Comparative Example 5 and Example 5 to Example
  • the auxiliary yarn II in 8 is polyester, and the auxiliary yarn II in Examples 9 to 11 is polyethylene;

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Knitting Of Fabric (AREA)

Abstract

本发明公开了一种钨丝合捻包覆防切割纱线的制备方法，包括钨丝合捻纱的制备和钨丝合捻包覆防切割纱的制备两个步骤，用钨丝合捻包覆防切割纱线制备纺织品的方法，将氨纶弹力纱与钨丝合捻包覆防切割纱采用双纱嘴U2针织工艺，制成纺织品。本发明的优点是：采用钨丝为原料，中国是生产钨丝的大国，其储备量占全球总储备量的75％，因此本发明具有原料来源广泛，造价低廉的优点；制备得到的纺织品轻薄又柔软，具有超高的耐切割性、优良的导电性能、化学稳定性、耐弯折性和洗涤不易变形性。

Description

一种钨丝合捻包覆防切割纱线的制备方法及用其制备纺织品的方法 技术领域
本发明涉及纱线领域，具体涉及一种钨丝合捻包覆防切割纱线的制备方法及用其制备纺织品的方法。
背景技术
防切割手套属于功能性手套，现有的防切割手套为了实现其防切割性能，往往通过增加手套的厚度来实现，手套的防切割性随着手套厚度的增加而增强，极大地影响了手套的使用感受，使用过程中生硬，不易弯曲，且较为厚重，反而增加了操作工人的负担。
发明内容
为解决上述技术问题，本发明提供了一种钨丝合捻包覆防切割纱线的制备方法及用其制备纺织品的方法。
本发明采用的技术方案是：
一种钨丝合捻包覆防切割纱线的制备方法，包括以下操作步骤：
a、钨丝合捻纱的制备：将辅助纱Ⅰ与钨丝进行合捻缠绕，捻度为400-700捻/米，制备得到钨丝合捻纱；
b、钨丝合捻包覆防切割纱的制备：将高分子量的聚乙烯纤维包覆在步骤a中制备得到的钨丝合捻纱的外层，捻度为120-280捻/米，制备得到钨丝合捻包覆防切割纱。
进一步的，所述步骤a中的钨丝合捻纱中的钨丝占比为35-75％，辅助纱Ⅰ的占比为25-65％。
进一步的，所述步骤a中辅助纱Ⅰ选自锦纶、涤纶、棉纱、竹纤维和天丝中的一种，所述辅助纱Ⅰ的线密度的规格为40-140D。
进一步的，所述锦纶的线密度的规格优选为40D、50D、70D、100D或140D。
进一步的，所述步骤a中的钨丝选用直径为0.01mm、0.015mm、0.02mm、0.025mm和0.03mm的钨丝中的一种或多种。
进一步的，所述步骤b中的钨丝合捻包覆防切割纱中的钨丝合捻纱的占比为35-65％，聚乙烯纤维的占比为35-65％。
进一步的，所述步骤b中的聚乙烯纤维的分子量为10-500W，线密度的规格为50D-400D。
进一步的，所述聚乙烯纤维的线密度的规格优选为50D、100D、150D、200D、300D或400D。
一种钨丝合捻包覆防切割纱线制备纺织品的方法，将氨纶弹力纱与钨丝合捻包覆防切割纱采用双纱嘴U2针织工艺，制成纺织品，所述钨丝合捻包覆防切割纱的占比为60-80％，所述氨纶弹力纱的占比为20-40％。
进一步的，所述氨纶弹力纱为锦纶包氨纶、涤纶包氨纶或聚乙烯纤维包氨纶，所述氨纶弹力纱由规格为20-100D的氨纶丝和规格为50-200D的辅助纱Ⅱ以180-580捻/米的捻度制备而成，所述辅助纱Ⅱ为锦纶、涤纶或聚乙烯，所述氨纶弹力纱的拉比为1.5-2.4。
本发明的有益效果是：1、采用钨丝为原料，钨丝的硬度为9，仅次于世界上最硬的材料钻石，制备得到的纺织品坚硬度较高，同时 又纤细轻薄，且中国是生产钨丝的大国，其储备量占全球总储备量的75％，因此本发明具有原料来源广泛，造价低廉的优点；2、制备得到的纺织品轻薄又柔软，具有超高的耐切割性、优良的导电性能、化学稳定性、耐弯折性和洗涤不易变形性，同时能够达到美标ASTM防切割等级A6及以上，欧标ISO等级F及以上，欧盟EN388标准的耐磨性能4级、防切割性能5级、抗撕裂性能4级，防穿刺性能4级。
附图说明
图1为本发明中的钨丝合捻纱的结构示意图(一根辅助纱Ⅰ和一根钨丝)。
图2为本发明中的钨丝合捻纱的结构示意图(一根辅助纱Ⅰ和两根或多根钨丝)。
图3为本发明的钨丝合捻包覆防切割纱的结构示意图(一根辅助纱Ⅰ、一根钨丝和一根聚乙烯纤维)。
图4为本发明的钨丝合捻包覆防切割纱的结构示意图(一根辅助纱Ⅰ、两根或多根钨丝和一根聚乙烯纤维)。
图5为本发明的氨纶弹力纱的结构示意图。
其中：1、辅助纱Ⅰ，2、钨丝，3、聚乙烯纤维，4、氨纶丝，5、辅助纱Ⅱ。
具体实施方式
为了加深对本发明的理解，下面将结合实施例和附图对本发明作进一步详述，该实施例仅用于解释本发明，并不构成对本发明的保护 范围的限定。
一种钨丝合捻包覆防切割纱线的制备方法，包括以下操作步骤：
a、钨丝合捻纱的制备：如图1和图2所示，将辅助纱Ⅰ1与钨丝2进行合捻缠绕，捻度为400-700捻/米，制备得到钨丝合捻纱，其中钨丝占比为35-75％，辅助纱Ⅰ1的占比为25-65％，辅助纱Ⅰ1选自锦纶、涤纶、棉纱、竹纤维和天丝中的一种，辅助纱Ⅰ1的线密度的规格为40-140D，钨丝2选用直径为0.01mm、0.015mm、0.02mm、0.025mm和0.03mm的钨丝中的一种；
b、钨丝合捻包覆防切割纱的制备：如图3和图4所示，将高分子量的聚乙烯纤维3包覆在步骤a中制备得到的钨丝合捻纱的外层，捻度为120-280捻/米，制备得到钨丝合捻包覆防切割纱，钨丝合捻包覆防切割纱中的钨丝合捻纱的占比为35-65％，聚乙烯纤维3的占比为35-65％，聚乙烯纤维的分子量为10-500W，线密度的规格为50D-400D，聚乙烯纤维的线密度的规格优选为50D、100D、150D、200D、300D或400D。
而后用上述一种钨丝合捻包覆防切割纱线制备纺织品的方法如下：将氨纶弹力纱与钨丝合捻包覆防切割纱采用双纱嘴U2针织工艺，制成纺织品，钨丝合捻包覆防切割纱的占比为60-80％，氨纶弹力纱的占比为20-40％，氨纶弹力纱为锦纶包氨纶、涤纶包氨纶或聚乙烯纤维包氨纶，如图5所示，氨纶弹力纱由规格为20-100D的氨纶丝4和规格为50-200D的辅助纱Ⅱ5以180-580捻/米的捻度制备而成，辅助纱Ⅱ为锦纶、涤纶或聚乙烯，氨纶弹力纱的拉比为1.5-2.4。
用上述一种钨丝合捻包覆防切割纱线的制备方法及用其制备纺织品的方法制备纺织品的五组对比例和十一组实施例数据及检测结果如下：
Figure PCTCN2019080735-appb-000001
注：对比例1至对比例3及实施例1至实施例4中的辅助纱Ⅰ为锦纶，对比例4和对比例5及实施例5至实施例8中的辅助纱Ⅰ为涤纶，实施例9至实施例11中的辅助纱Ⅰ为棉纱，对比例1至对比例3及实施例1至实施例4中的辅助纱Ⅱ为锦纶，对比例4和对比例5及实施例5至实施例8中的辅助纱Ⅱ为涤纶，实施例9至实施例11中的辅助纱Ⅱ为聚乙烯；
由上述实施例和对比例可知，根据本发明的数据范围制备出的纺织品均能达到美标ASTM防切割等级A6及以上。

Claims (10)

  1. 一种钨丝合捻包覆防切割纱线的制备方法，其特征在于，包括以下操作步骤：
    a、钨丝合捻纱的制备：将辅助纱Ⅰ与钨丝进行合捻缠绕，捻度为400-700捻/米，制备得到钨丝合捻纱；
    b、钨丝合捻包覆防切割纱的制备：将高分子量的聚乙烯纤维包覆在步骤a中制备得到的钨丝合捻纱的外层，捻度为120-280捻/米，制备得到钨丝合捻包覆防切割纱。
  2. 根据权利要求1所述的一种钨丝合捻包覆防切割纱线的制备方法，其特征在于，所述步骤a中的钨丝合捻纱中的钨丝占比为35-75％，辅助纱Ⅰ的占比为25-65％。
  3. 根据权利要求1所述的一种钨丝合捻包覆防切割纱线的制备方法，其特征在于，所述步骤a中辅助纱Ⅰ选自锦纶、涤纶、棉纱、竹纤维和天丝中的一种，所述辅助纱Ⅰ的线密度的规格为40-140D。
  4. 根据权利要求3所述的一种钨丝合捻包覆防切割纱线的制备方法，其特征在于，所述锦纶的线密度的规格优选为40D、50D、70D、100D或140D。
  5. 根据权利要求1所述的一种钨丝合捻包覆防切割纱线的制备方法，其特征在于，所述步骤a中的钨丝选用直径为0.01mm、0.015mm、0.02mm、0.025mm和0.03mm的钨丝中的一种或多种。
  6. 根据权利要求1所述的一种钨丝合捻包覆防切割纱线的制备方法，其特征在于，所述步骤b中的钨丝合捻包覆防切割纱中的钨丝合捻纱 的占比为35-65％，聚乙烯纤维的占比为35-65％。
  7. 根据权利要求1所述的一种钨丝合捻包覆防切割纱线的制备方法，其特征在于，所述步骤b中的聚乙烯纤维的分子量为10-500W，线密度的规格为50D-400D。
  8. 根据权利要求7所述的一种钨丝合捻包覆防切割纱线的制备方法，其特征在于，所述聚乙烯纤维的线密度的规格优选为50D、100D、150D、200D、300D或400D。
  9. 一种钨丝合捻包覆防切割纱线制备纺织品的方法，其特征在于，将氨纶弹力纱与钨丝合捻包覆防切割纱采用双纱嘴U2针织工艺，制成纺织品，所述钨丝合捻包覆防切割纱的占比为60-80％，所述氨纶弹力纱的占比为20-40％。
  10. 根据权利要求9所述的一种钨丝合捻包覆防切割纱线制备纺织品的方法，其特征在于，所述氨纶弹力纱为锦纶包氨纶、涤纶包氨纶或聚乙烯纤维包氨纶，所述氨纶弹力纱由规格为20-100D的氨纶丝和规格为50-200D的辅助纱Ⅱ以180-580捻/米的捻度制备而成，所述辅助纱Ⅱ为锦纶、涤纶或聚乙烯，所述氨纶弹力纱的拉比为1.5-2.4。
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