CN100427659C - 导电纱线 - Google Patents
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Abstract
一种导电纱线包括多根具有特定电阻率的不锈钢纤维。这些不锈钢纤维涂覆有一个金属涂层，该金属涂层由一种具有特定电阻率并且其电阻率小于不锈钢之电阻率的金属材料构成。
Description
发明领域
本发明涉及一种金属导电纱线和一种用于制造这种金属导电纱线的方法。
发明背景
导电纱线在本领域内是公知的。
导电纱线可以以非金属导电材料(例如碳纤维)为基础制成，也可以基于具有金属性质的纤维或金属纤维制成。
如果要获得较低的电阻，优选采用长丝纱线。
这种长丝纱线可包括一组被加捻在一起的金属长丝，例如不锈钢长丝。但是，现有的这些纱线包括多根直径大于100微米的长丝，这样就使这些长丝纱线更像相对较细且坚硬的金属绳。
另外，由直径小于30微米的不锈钢纤维构成的不锈钢纤维纱线也已经是公知的。
由于不锈钢具有较高的电阻率，因此电阻较小的纱线将具有比较粗的结构(或者较高的细度，由Tex表示，单位为g/km)。这种粗纱线会因为纱线结构的柔性而变得非常疏松。
发明内容
本发明的目的在于提供一种金属导电纱线，在这种导电纱线中，每延米的电阻值较小，而且其柔性至少与传统的纺织纱相同。
作为本发明之主题的纱线包括多根不锈钢纤维。这些不锈钢纤维涂敷有一层金属(在下文中称之为“金属涂层”)。该金属涂层是由一种与制造不锈钢纤维所用的不锈钢合金一样具有较小电阻率的金属材料构成的。
通过使作为本发明之主题的纱线具有一定的横截面，而使金属涂层的重量与该导电纱线总重量的百分比优选小于50％(重量百分比)，最好小于40％(重量百分比)。金属涂层与导电纱线总重量的百分比优选大于1％(重量百分比)，最好大于5％(重量百分比)。
该金属涂层的平均最大厚度优选小于8微米，最好小于4微米。该金属涂层的平均最大厚度最好大于0.01微米。如果平均最大厚度较小，那么就不能在作为本发明之主题的纱线的整个长度上形成可靠的电阻。
金属涂层的最大厚度应被理解为：金属层在作为本发明之主题的纱线的径向横截面内的最大厚度。平均最大厚度可为理解为：通过对作为本发明之主题的纱线的多个不同径向横截面进行测量后，所测得的最大厚度的平均值，而所测横截面具体数量决定于所采用的统计方法，例如MIL标准。
对于作为本发明之主题的纱线而言，最好在该导电纱线内的每个不锈钢纤维周围都设置有一个厚度相同的金属涂层，但这不是必须的。
该金属涂层也可仅设置在这些纤维的面朝外的表面上，即设置在这种导电纱线的外侧上。“面朝外的表面”应被理解为纤维的局部外覆表面，而不是面向该导电纱线中的其他纤维的表面。
该金属涂层优选由铜、铝、银、金、镍、钛、钨、锌、铬、锡、铂、铜合金、铝合金、银合金、金合金、镍合金、钛合金、钨合金、锌合金、铬合金、锡合金、铂合金及其组合物构成。最好采用铜或铜合金。金属涂层的电阻率优选介于15至500Ω＊mm2/km的范围内，但最好介于15至90Ω＊mm2/km的范围内。
一种导电纤维包括多根不锈钢纤维，这些不锈钢纤维可以是由不锈钢人造纤维制成的不锈钢长丝。
作为本发明之主题的纱线包括一束以上的不锈钢长丝。这些丝束包括多根不锈钢长丝。这些丝束可以设置有涂层，之后，通过对这些带涂层的丝束进行加捻和/或合股而将其变成纱线。或者，这些由不锈钢细丝构成的丝束可通过加捻和/或合股而形成纱线，利用金属合金对该纱线进行涂覆，这是本发明的主题。
作为一种替代结构，作为本发明之主题的导电纱线可包括多根不锈钢纤维，这些不锈钢纤维都是人造纤维，而且首先被捻成单股导电纱线。接着，就可将多个单股导电纱线绞合成多股经捻制而成的导电纱线。接下来，就可以利用金属涂层对这种单股或多股导电纱线进行涂覆，这就是本发明的主题所在。或者，也可对一束不锈钢长丝进行涂覆并将其破断成多根带涂层的不锈钢纤维，然后利用合适的给纱方法将其捻成作为本发明之主题的单股或多股导电纱线。
这些不锈钢纤维最好采用当量直径介于0.5至50微米之间的纤维，而且该当量直径最优选介于1微米至25微米的范围内。纤维的当量直径应被理解为一个假想圆的直径，该假想圆与纤维之横截面具有相同表面面积。
不锈钢合金最好采用AISI300系列或AISI400系列的产品，例如AISI302、AISI316或AISI316L或AISI430。不锈钢合金也可以是一种铁-铬-铝合金(例如fecralloy)或镍-铬-铝合金。电阻率最好介于500至900Ω＊mm2/km的范围内。
不锈钢纤维束或每个单股导电纱线其单位截面内最好包括少于1000根的不锈钢纤维，而每个导电纱线在单位截面内的不锈钢纤维数量最好少于3000根纤维。
根据丝束内不锈钢长丝的数量和涂层的厚度及涂层金属合金的不同，可以得到作为本发明之主题的导电纱线，其线性电阻(Ω/m)优选介于0.1至400Ω/m的范围内，最好小于400Ω/m或甚至小于100Ω/m，例如小于80Ω/m。线性电阻(Ω/m)优选大于0.1Ω/m或甚至大于0.2Ω/m，例如0.2Ω/m，0.5Ω/m，2Ω/m，7Ω/m，14Ω/m。
与此相关，作为本发明之主题的导电纱线其单位重量上的电阻(Ω/g)可以减小到没有涂层的不锈钢导电纱线在单位细度(perfineness)上的电阻值的25％或10％。
可以利用多种涂覆方法将金属涂层涂覆到不锈钢纤维束上。
该金属涂层最好利用电化学镀覆方法来完成。但是，也可以采用浸渍、气相涂覆或等离子涂覆方法。
作为本发明之主题的纱线例如可用于提供能够进行电加热的纺织品或织物中的导电纱线。
由于作为本发明之主题的纱线具有良好的柔性，因此这些纱线可以被加工成不存在重大缺陷的机织织物、编织织物或针织织物。
另一方面，电阻可以很容易地进行改变，因为金属层的厚度可以通过多种容易的方式进行调节。
这种导电纱线最好被应用于纺织领域内，例如用于可加热的织物、服装或毯子上，或者用于提供可加热的汽车座椅和座套。该导电纱线例如还可以在机织织物或针织织物内用于传导电流和/或电信号。
附图说明
下面将参照附图对本发明加以详细说明，其中：
图1、2和3示意性地示出了作为本发明之主题的导电纱线的径向横截面。
具体实施方式
作为实例，一个单股不锈钢纤维束包括有275根当量直径为12微米的长丝，而且该纤维束还涂覆有一个铜层。这些不锈钢长丝可由AISI316L制成，而且在每米长度上沿Z方向加捻100圈。这种纱线的细度为250Tex，其线性电阻为30Ω/m，单位重量的电阻为120Ω/g。
这种单股不锈钢纤维束涂覆有一个铜涂层，该涂层的最大厚度为6微米，而且每米48毫克的铜利用电镀法进行涂覆。作为本发明之主题的导电纱线其细度为298Tex，线性电阻仅为4Ω/m。作为本发明之主题的这种导电纱线其单位重量的电阻值为13.4Ω/g。
图1示意性地示出了作为本发明之主题的导电纱线11的径向剖视图。多根不锈钢纤维12被绞合在一起，多根长丝13具有部分朝向远离该导电纱线并且面朝外的外覆表面14。铜涂层15被涂覆在这个面朝外的外覆表面上。该涂层的最大厚度为16。测得的平均最大厚度为6微米。
这种不锈钢AISI316L纤维其电阻率为983Ω＊mm2/km，而铜涂层的电阻率为17Ω＊mm2/km。
图2示出了作为本发明之主题的另一导电纱线的径向剖视图。上述的两个导电纱线21(在图1中由附图标记11表示)被绞合在一起，从而形成一个作为本发明之主题的双股导电纱线22。这样就形成了一种作为本发明之主题的导电纱线，该导电纱线的线性电阻约为2Ω/m。
图3示出了根据本发明又一实施例的横截面。两束不锈钢纤维包括有275根当量直径为12微米的长丝并被绞合在一起，从而形成一个具有两股的导电纱线。这种两股导电纱线31涂覆有一层铜32。该层铜仅设置在纤维33的纤维外覆表面上，该外覆表面面向作为本发明之主题的导电纱线的外部。与图2所示之实施例的区别在于：在丝束面向外部的长丝的外覆表面带有涂层。
这样制成的纱线可被用作织造织物或针织织物中的加热元件(电阻加热)，从而被用作可加热的织物，这样就可以对汽车的座椅进行加热或对用于覆盖汽车座椅的织物进行加热。
Claims (15)
1、一种导电纱线，其包括多根不锈钢纤维，所述不锈钢纤维具有一定的不锈钢电阻率，其特征在于：所述不锈钢纤维涂覆有一个金属涂层，所述金属涂层由电阻率低于不锈钢的金属材料构成。
2、根据权利要求1的导电纱线，其特征在于：所述金属涂层占所述导电纱线总重量的重量百分比小于50％。
3、根据权利要求1或2的导电纱线，其特征在于：所述金属涂层占所述导电纱线总重量的重量百分比大于1％。
4、根据权利要求1或2的导电纱线，其特征在于：所述金属涂层的最大厚度小于8微米。
5、根据权利要求1或2的导电纱线，其特征在于：所述金属涂层的最大厚度大于0.01微米。
6、根据权利要求1或2的导电纱线，其特征在于：所述不锈钢纤维具有落0.5至50微米的范围内的当量直径。
7、根据权利要求1或2的导电纱线，其特征在于：所述金属涂层由一种从下述这组材料中选出的元素构成：铜、铝、银、金、镍、钛、钨、锌、铬、锡、铂、铜合金、铝合金、银合金、金合金、镍合金、钛合金、钨合金、锌合金、铬合金、锡合金、铂合金及其组合物。
8、根据权利要求7的导电纱线，其特征在于：所述金属涂层由铜或铜合金构成。
9、根据权利要求1或2的导电纱线，其特征在于：所述导电纱线在其每个截面内包括小于3000根的不锈钢纤维。
10、根据权利要求1或2的导电纱线，其特征在于：所述导电纱线的线性电阻小于400Ω/m。
11、根据权利要求1或2的导电纱线，其特征在于：所述不锈钢纤维为不锈钢长丝。
12、根据权利要求1或2的导电纱线，其特征在于：所述不锈钢纤维为不锈钢短纤维。
13、将根据上述权利要求1-12之一的导电纱线应用到一个可加热的纺织品内。
14、根据上述权利要求1-12之一的导电纱线用于提供一个可加热的汽车座椅或座套。
15、根据上述权利要求1-12之一的导电纱线用于传导电流或电信号。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02100479A EP1362941A1 (en) | 2002-05-13 | 2002-05-13 | Electrically conductive yarn |
| EP02100479.1 | 2002-05-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1653217A CN1653217A (zh) | 2005-08-10 |
| CN100427659C true CN100427659C (zh) | 2008-10-22 |
Family
ID=29265996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038107511A Expired - Fee Related CN100427659C (zh) | 2002-05-13 | 2003-05-06 | 导电纱线 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7291391B2 (zh) |
| EP (2) | EP1362941A1 (zh) |
| JP (1) | JP4302055B2 (zh) |
| CN (1) | CN100427659C (zh) |
| AT (1) | ATE328141T1 (zh) |
| AU (1) | AU2003240779A1 (zh) |
| DE (1) | DE60305694T2 (zh) |
| DK (1) | DK1507904T3 (zh) |
| ES (1) | ES2262997T3 (zh) |
| PT (1) | PT1507904E (zh) |
| SI (1) | SI1507904T1 (zh) |
| WO (1) | WO2003095724A1 (zh) |
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| CN106676747A (zh) * | 2015-11-10 | 2017-05-17 | 波音公司 | 编织的智能感受器加热毯 |
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| CN101422075A (zh) * | 2006-04-11 | 2009-04-29 | Bsh博施及西门子家用器具有限公司 | 可加热的织物 |
| DE502008001886D1 (de) * | 2007-02-12 | 2011-01-05 | Textilma Ag | Elektrisch leitender, elastischer compoundfaden, insbesondere für rfid- textiletiketten, sowie seine verwendung und das herstellen eines gewebes, gewirkes oder geflechts damit |
| WO2009011796A1 (en) | 2007-07-16 | 2009-01-22 | Micrometal Technologies, Inc. | Electrical shielding material composed of metallized stainless steel monofilament yarn |
| CN102057090B (zh) * | 2008-06-06 | 2013-07-03 | 贝卡尔特公司 | 具有减少的扭转的多束股绳 |
| EP2329069B1 (en) * | 2008-07-22 | 2011-11-30 | NV Bekaert SA | Yarn for car seat heating with suitable lubricant |
| JP5329206B2 (ja) * | 2008-10-28 | 2013-10-30 | コリア インスティチュート オブ マシナリー アンド マテリアルズ | 多成分同時付着による多機能性複合纎維、これを具備した複合材料及びその製造方法 |
| EP2362918B1 (en) * | 2008-11-25 | 2014-01-08 | NV Bekaert SA | New metal fiber yarn with enhanced strength and processability |
| US8474236B2 (en) | 2008-11-25 | 2013-07-02 | Nv Bekaert Sa | Multibundle metal fiber yarn |
| US8596033B2 (en) | 2008-11-25 | 2013-12-03 | Nv Bekaert Sa | Multilayer metal fiber yarn |
| JP2011125674A (ja) * | 2009-11-20 | 2011-06-30 | Fujikura Ltd | ブレイン・マシン・インターフェース用被り物 |
| WO2012092505A1 (en) | 2010-12-29 | 2012-07-05 | Syscom Advanced Materials | Metal and metallized fiber hybrid wire |
| US9439244B2 (en) | 2011-04-04 | 2016-09-06 | Nv Bekaert Sa | Heating cable comprising steel monofilaments |
| CN103147197B (zh) * | 2013-01-25 | 2015-04-22 | 浙江春江轻纺集团有限责任公司 | 一种导电纱线及加工方法 |
| CN104131481A (zh) * | 2014-07-02 | 2014-11-05 | 龙岩强龙金属纤维有限公司 | 一种索吊具用金属绳带及制作工艺 |
| JP6007350B1 (ja) * | 2016-04-22 | 2016-10-12 | 茶久染色株式会社 | 導電性糸 |
| JP7223683B2 (ja) * | 2016-07-15 | 2023-02-16 | エンベー ベカルト ソシエテ アノニム | 導電糸 |
| EP3544030A4 (en) * | 2017-01-16 | 2020-08-12 | Tomoegawa Co., Ltd. | RESISTANCE ELEMENT |
| CN107044060B (zh) * | 2017-05-31 | 2022-10-14 | 东华大学 | 连续态超细金属长丝的加捻合股方法与设备 |
| US11395446B2 (en) | 2019-04-10 | 2022-07-19 | Glenair, Inc. | Electromagnetically shielding material |
| DE102019132028B3 (de) | 2019-11-26 | 2021-04-15 | Deutsche Institute Für Textil- Und Faserforschung Denkendorf | Piezoresistiver Kraftsensor |
| TWI718976B (zh) * | 2020-07-30 | 2021-02-11 | 郭俊榮 | 由拉伸及控制斷裂長纖維所得短纖維製成的紗線及其製品 |
| US11013158B1 (en) | 2020-08-17 | 2021-05-18 | Micrometal Technologies, Inc. | Electrical shielding material composed of metallized stainless steel or low carbon steel monofilament yarns |
| US11246248B1 (en) | 2021-04-09 | 2022-02-08 | Micrometal Technologies, Inc. | Electrical shielding material composed of metallized stainless steel or low carbon steel monofilament yarns |
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- 2003-05-06 SI SI200330352T patent/SI1507904T1/sl unknown
- 2003-05-06 EP EP03730193A patent/EP1507904B1/en not_active Expired - Lifetime
- 2003-05-06 DK DK03730193T patent/DK1507904T3/da active
- 2003-05-06 AT AT03730193T patent/ATE328141T1/de not_active IP Right Cessation
- 2003-05-06 WO PCT/EP2003/050141 patent/WO2003095724A1/en active IP Right Grant
- 2003-05-06 DE DE60305694T patent/DE60305694T2/de not_active Expired - Lifetime
- 2003-05-06 ES ES03730193T patent/ES2262997T3/es not_active Expired - Lifetime
- 2003-05-06 US US10/514,043 patent/US7291391B2/en not_active Expired - Fee Related
- 2003-05-06 AU AU2003240779A patent/AU2003240779A1/en not_active Abandoned
- 2003-05-06 CN CNB038107511A patent/CN100427659C/zh not_active Expired - Fee Related
- 2003-05-06 JP JP2004503706A patent/JP4302055B2/ja not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676747A (zh) * | 2015-11-10 | 2017-05-17 | 波音公司 | 编织的智能感受器加热毯 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60305694T2 (de) | 2007-05-31 |
| CN1653217A (zh) | 2005-08-10 |
| ES2262997T3 (es) | 2006-12-01 |
| PT1507904E (pt) | 2006-08-31 |
| EP1507904B1 (en) | 2006-05-31 |
| SI1507904T1 (sl) | 2006-10-31 |
| DK1507904T3 (da) | 2006-08-14 |
| WO2003095724A1 (en) | 2003-11-20 |
| EP1362941A1 (en) | 2003-11-19 |
| JP2005525479A (ja) | 2005-08-25 |
| US7291391B2 (en) | 2007-11-06 |
| JP4302055B2 (ja) | 2009-07-22 |
| EP1507904A1 (en) | 2005-02-23 |
| ATE328141T1 (de) | 2006-06-15 |
| AU2003240779A1 (en) | 2003-11-11 |
| DE60305694D1 (de) | 2006-07-06 |
| US20060057415A1 (en) | 2006-03-16 |
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