CN114585702A - 胶带 - Google Patents
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Abstract
本发明涉及一种胶带,特别是用于包裹汽车电缆的缠绕带,其具有织物载体和施加在该织物载体的一侧或两侧的粘合剂涂层,其中所述织物载体全部或部分地由生物基聚合物纤维和/或聚合物纱线制成,其特征在于,所述织物载体由多重纬纱和/或多重经纱构成。
Description
技术邻域
本发明涉及一种胶带,特别是用于包裹汽车电缆的缠绕带,其具有织物载体和施加在该织物载体的一侧或两侧的粘合剂涂层,其中所述织物载体全部或部分地由生物基聚合物纤维和/或聚合物纱线制成。
胶带,且特别是用于包裹汽车电缆的缠绕带,不仅要耐介质(例如油和汽油)性,而且还必须具有高耐温性。事实上,这种缠绕带通常在-50℃至+150℃甚至更高的温度范围内使用。此外,对于这种胶带考虑足够的摩擦强度并由此耐磨性。因为用上述胶带包裹的电缆束或电缆线束会摩擦汽车的车身部件,因此需要增加耐磨性。此外,隔音性实施形式还起到阻隔咔哒噪声的作用。
借助于胶带或缠绕带,电缆被包裹起来,从而将它们分别束缚在一起保护它们免受磨损。电缆可以这样包裹,使得胶带围绕所讨论的电缆束以螺旋式或盘绕式运动被引导。原则上,也可以使用胶带在电缆束的轴向上形成纵向护套。
背景技术
如果考虑耐磨胶带,则可相应于《机动车辆电缆线束胶带》(2009年)的LV 312标准将其分入磨损等级。在此涉及奥迪、宝马、戴姆勒和大众公司共同的测试指南。所讨论的耐磨性按照LV312是依据DIN ISO 6722确定的,方法是首先将待测胶带粘贴到直径为5mm的钉刺(金属棒)上。然后用针直径为0.45mm的刮刀在10N重力的考虑下打击胶带,并在此确定擦穿胶带所需的冲程(Hübe)数。例如,根据LV 312(2009)的磨损等级B对应于磨穿前至少100次冲程。
例如在EP 1 911 633 B1中描述了关于耐磨性测量和不同磨损等级分类的更多细节。此时还使用织物载体。该织物是由基于聚酰胺材料的纱线制成的。支数或纱线支数或纱线细度至少为280dtex。由于所描述的纱线支数并考虑到所使用的材料(聚酰胺),这种纱线相对昂贵且高成本。考虑到此时符合LV 312的磨损等级E的事实,这也适用。
除了上述对这种胶带或缠绕带在耐介质性和耐温性以及所需隔音方面的要求外,现在还经常有其他要求。事实上,所讨论的胶带关于提高可回收性,尤其是资源节约型生产方面变得越来越重要。这尤其可以归因于这样一个事实,即由于电缆线束长度的增加,用于生产这种电缆线束的缠绕带的消耗量与过去相比显著增加。因此,资源节约型生产变得越来越重要。
根据DE 20 2019 100 588 U1的一般现有技术已经考虑到这一点,织物载体就此至少部分地使用生物基聚合物生产。在此使用基于生物的聚合物纤维和/或聚合物纱线。与此相关地,所述载体尤其可以设计为织物载体。这基本上奏效了。
发明内容
然而,迄今为止,还没有令人信服的尝试为此类胶带配备由具有所需耐磨性的生物基聚合物纤维和/或聚合物纱线制成的载体。如果此时需要高耐磨性,如前面提到的EP 1911 633 B1中所述,这只能通过至少280dtex高的纱线支数或纱线细度来实现。这导致制造成本增加。此外,相应构造的织物载体不能用手撕开。这是特别不利的,因为这种胶带或缠绕带通常是手动操作的,并且在操作过程中的手撕性是特别重要的并且越来越重要。这就是本发明旨在从整体上补救的。
本发明基于进一步开发此类胶带(特别是用于汽车中包裹电缆的缠绕带)的技术问题,其将尽可能的可手撕构造与高耐磨性和同时节约资源生产相结合。
为了解决该技术问题,在本发明的范围内,此类胶带和特别是缠绕带的特征在于,织物载体由多重纬纱和/或多重经纱构成。
在本发明的范围内,织物载体首次完全或部分地由生物基聚合物纤维和/或聚合物纱线制成。实际上,在此主要使用细丝或长丝,即无端纤维。这些构成了经纱和纬纱的基础。经纱与纬纱一样,可以全部或部分由生物基聚合物纱线制成。
例如,可以想象经纱由石油化学生产的聚合物纱线制成,而纬纱是生物基聚合物纱线。此外当然也可以使用相反的操作。最后,也可以分别在经纱和/或纬纱中混合聚合物纱线,即,既使用石油化学生产的聚合物纱线也使用生物基聚合物纱线。
然而,就特别节约资源的生产而言,根据本发明,织物载体将全部或完全由生物基聚合物纱线制成。此外,如果织物载体由单股经纱和多重纬纱组成,证明是基本有效的。这样的多重纬纱原则上可以通过改进的织布机引入到传统织物中,这在原则上和长期已知的并且在DE 17 10 320 A1中作为示例进行了更详细的描述。其中分别提供了用于临时接收单股纬纱的存储空间。借助压力介质,纬纱可以从喷嘴排出到由经纱形成的梭口(Fach)中。
相应于已知的程序,因此在具有单股经纱的织物中,将例如两股纬纱投入经纱的一个梭口中。除了具有双纬纱作为多重纬纱的最简单形式的这种设计之外,在本发明的范围内具有多于两股纬纱的构造当然也是可以想象的。各个多重纬纱的个股纬纱各自平行地延伸并且彼此不影响或彼此不机械连接。由此可以使用相对较细的纬纱工作并且仍然实现根据本发明的胶带的显著耐磨性。
通过采用多重纬纱,还可以将胶带设计为一个可以用手撕开的整体。当用手撕开时,由于经纱铺设为单股经纱,例如,在纬纱方向上的撕裂力,即在横向上,用于撕裂的经纱在横向上约为10N/厘米宽度。由于单股经纱通常具有至少100dtex并且优选地至少200dtex的纱线支数,因此原则上可以实现所需的手撕性或交叉撕破性。
与此相关地,所述多重纬纱主要对于可实现的耐磨性是需要的。事实上,例如,根据LV 312的磨损等级C可以通过这种多重纬纱实现。如果使用每股纱线的纱线支数至少为40dtex的双纬纱,这已经符合这种情况。由此双纬纱拥有总和的纱线支数为80dtex。当使用三重纬纱时,观察到至少120dtex的纱线支数,并且使用四重纬纱时,例如160dtex。
在任何情况下,多重纬纱主要确保了所需的耐磨性,就此在EP 1 911 633 B1的上下文中观察到了可比较的耐磨性数值。因为与此相反,不使用粗纬纱,而是使用多重纬纱,生产被简化的同时且可以比现有技术更经济地进行。此外,多重纬纱提高了手撕性。
本质上,这可归因于沿纬纱发生手撕的过程,并且与此相关地,重要的是织物中的经纱保持其位置并且例如不被推挤到一起。经此,多重纬纱比相同纱线支数的单股纬纱具有总和的更大横截面,这涉及与手撕性相关的横向,而单股经纱在此情况下保持其位置并可导致毫无问题地被撕裂。多重纬纱因此在一定程度上承担了粘合剂涂层的功能,如在根据DE 600 31 332 T2的现有技术中详细描述的。
为了使织物载体达到足够的稳定性,生产过程中通常使用平纹组织。然而,原则上,也可以使用斜纹连接或缎纹编织。单股经纱通常具有至少100dtex的纱线支数。优选地,纱线支数也可以为200dtex或更大。对于多重纬纱,分别观察到大于100dtex或200dtex及更多的纱线支数。换言之,在这种情况下,单股经纱和多重纬纱基本上可以由相同的原材料生产,即使用生物基聚合物纱线或具有至少100dtex的纱线支数的纱。
单股经纱或多重经纱和/或多重纬纱通常由基于生物聚酰胺或生物聚酯的长丝组成。这意味着在此使用的长丝是由例如生物聚酰胺制成的。在这种情况下,生物聚酰胺的单体或胺完全或部分由蓖麻油制成。额外需要的羧酸可以是石化或同样是生物基地生产的。如果在此使用基于生物聚酯的长丝作为替代或补充,它们可以例如通过单乙二醇(乙二醇)和对苯二甲酸的缩聚由PET(聚对苯二甲酸乙二醇酯)生产。在此可能的是,由甘蔗糖蜜生产单乙二醇。相反,对苯二甲酸可以石化生产。也可以生物基地生产对苯二甲酸。
在任何情况下,基于生物聚酰胺或生物聚酯的各种长丝现在可以全部或部分由基于植物材料的可再生原材料生产。也可以考虑混合形式,既使用可再生原料也使用石化原料。
可以设想进一步的混合形式,对于织物的经纱还有纬纱仅使用基于石化的聚合物纱线或仅使用基于植物的聚合物纱线。此外,混合的石化生产的聚合物纱线和生物基聚合物纱线也可用于经纱和纬纱。经此,用于根据本发明的胶带的织物载体的生产可以灵活地适应每种情况下资源(石化产品或植物材料)的可利用性以及每种情况下的价格,并且可以灵活地应对任何波动。
就此在织物载体中提供每厘米10到80股纬纱,经证明是有效的。如果例如分别使用双纬纱,这意味着织物载体在这种情况下具有5束双纬纱/厘米至40束双纬纱/厘米。因为如果计数每股单纬纱,5束双纬纱/厘米对应10束单纬纱/厘米,而40束双纬纱/厘米对应80束单纬纱/厘米。经纱的数量一般限制在10到50束经纱/厘米。众所周知,此时有利地使用单股经纱。
织物载体的单位面积重量通常可以设置在50g/m2和500g/m2之间。特别地,观察到在150g/m2和250g/m2之间的范围内的单位面积重量。此外,本发明通常以这样一种方式工作,即织物载体被设计成一层,即仅具有一个织物层(且没有更多)。然而,原则上,织物载体也可以由多个织物层构成,这些织物层具有上面详细描述的构造或相应的结构。织物载体的厚度或材料厚度一般小于0.8mm。
作为粘合剂涂层经证明特别有利的是,基于合成橡胶粘合剂,热熔粘合剂,基于丙烯酸酯的粘合剂,基于硅线束脂、聚氨酯、聚醚和/或聚烯烃的粘合剂的粘合剂涂层。在此,粘合剂可以在涂布后再基本上交联且特别是辐射交联。也可以在织物载体上整个表面地或以条带状施加粘合剂涂层。
结果提供了一种胶带,其首次通过一种特别节约资源的生产方式令人信服。此外,通过使用由多重纬纱和/或多重经纱制成的织物载体可以实现和实施特殊的耐磨性。事实上,根据本发明观察到,考虑到针对与双纬纱相关的单股经纱指定的纱线支数在最小情况下实现根据LV 312的磨损等级C(且在5mm钉刺和在10mm钉刺上)。通常情况下和在对于单股经纱或者双纬纱的或当采用三重或四重纬纱时的单纱的纱线支数高于给定的100dtex的情况下,当然也可以实现显著更高的耐磨性,例如相应于磨损等级D甚至更高。考虑到特别是有利的成本和资源节约的结构,所有这些都是可行的。此外,采用多重纬纱原则上保证了能够以不变的方式实现和实施根据本发明的耐磨胶带的手撕性的可能性。这是主要的优势所在。
附图说明
下面依据仅呈现一个实施例的示图进一步阐述本发明;其展示:
图1根据本发明的织物带的织物载体的概貌,和
图2相应于本发明的胶带的示意性截面。
图中显示了一种胶带,其涉及一种用于包裹汽车电缆的缠绕带。事实上,该胶带不受限制地以螺旋式或盘绕式运动缠绕在电缆束或电缆组上。为此,胶带在其基本结构中具有织物载体1和单面粘合剂涂层2。根据示例性实施例,粘合剂涂层2被施加到织物载体1的整个表面上。
依据图1中的俯视图识别到织物载体1由经纱1a和纬纱1b组成,根据示例性实施例,它们以平纹组织编织在一起。另一个特点是织物载体1由单股经纱1a和双纬纱1b组成。
这意味着纬纱或双纬纱1b在每种情况下都是两股单纬纱,它们在制造过程中被投入到在纵向延伸中彼此相邻的经纱1a的相关梭口中。经此,以这种方式生产的胶带一方面具有高耐磨性,另一方面具有横向或双纬纱1b方向的手撕性。
根据示例性实施例,单股经纱1a和双纬纱1b分别由基于生物聚酰胺或生物聚酯的长丝构成。在示例性实施例的范围内,每厘米在织物载体1中使用10至50束单股经纱1a。根据示例性实施例,织物载体1中的双纬纱的数量在每厘米5和40束双纬纱1b之间。
Claims (15)
1.胶带,特别是用于包裹汽车电缆的缠绕带,其具有织物载体(1)和施加在该织物载体(1)的一侧或两侧的粘合剂涂层(2),其中所述织物载体(1)全部或部分由生物基聚合物纤维和/或聚合物纱线制成,其特征在于,所述织物载体(1)由多重纬纱(1b)和/或多重经纱(1a)构成。
2.根据权利要求1所述的胶带,其特征在于,所述织物载体(1)由单股经纱(1a)和多重纬纱(1b)组成。
3.根据权利要求1或2所述的胶带,其特征在于,所述单股经纱(1a)具有至少为100dtex的纱线支数,优选200dtex或更大。
4.根据权利要求1至3中任一项所述的胶带,其特征在于,所述多重纬纱(1b)各自具有至少100dtex、特别是200dtex和更大的纱线支数。
5.根据权利要求1至4中任一项所述的胶带,其特征在于,所述多重经纱(1a)和/或所述多重纬纱(1b)由基于生物聚酰胺或生物聚酯的长丝组成。
6.根据权利要求5所述的胶带,其特征在于,所述生物聚酰胺的单体全部或部分由蓖麻油制备。
7.根据权利要求1至6中任一项所述的胶带,其特征在于,在织物载体(1)中提供10至80束纬纱/厘米。
8.根据权利要求1至7中任一项所述的胶带,其特征在于,在织物载体(1)中实现10至50束经纱/厘米。
9.根据权利要求1至8中任一项所述的胶带,其特征在于,所述多重纬纱(1b)被构造成至少双纬纱(1b)。
10.根据权利要求1至9中任一项所述的胶带,其特征在于,所述织物载体(1)的单位面积重量在50g/m2和500g/m2之间,特别是在150g/m2至250g/m2之间。
11.根据权利要求1至10中任一项所述的胶带,其特征在于,所述织物载体(1)被构造成一层。
12.根据权利要求1至11中任一项所述的胶带,其特征在于,所述织物载体(1)的材料厚度小于0.8mm。
13.根据权利要求1至12中任一项所述的胶带,其特征在于,所述粘合剂涂层(2)具有在20g/m2至200g/m2范围内的涂覆重量。
14.根据权利要求1至13中任一项所述的胶带,其特征在于,作为粘合剂使用合成橡胶粘合剂,热熔粘合剂,丙烯酸酯基粘合剂,基于硅线束脂、聚乙烯、聚醚和/或聚烯烃的粘合剂。
15.根据权利要求1至14中任一项所述的胶带,其特征在于,在所述载体(1)上整个表面地或以条带状施加所述粘合剂涂层(2)。
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CN110041838A (zh) * | 2018-01-17 | 2019-07-23 | 塞托普拉特胶带技术有限公司 | 抗磨损的粘接带 |
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