CN116837510A - 一种抗起球包芯包缠新型纱线 - Google Patents
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Abstract
本发明公开了一种抗起球包芯包缠新型纱线,属于纺织技术领域。本发明的包芯包缠纱由一根芯丝、一根外包丝和外包纤维构成,由一根弹力丝当芯线,外包纤维包裹芯线,另一根弹力丝包缠在上面,适合用于制作针织衣物帽子,在保留包芯纱弹性大强力好的情况下加一根外包丝将外包纤维缠住,提高织物的起毛起球性能。
Description
技术领域
本发明涉及一种抗起球包芯包缠新型纱线,属于纺织技术领域。
背景技术
半精纺的产品性质和质量介于精纺和粗纺之间,工艺流程上是将毛纺的工艺流程和棉纺的工艺流程相结合,毛纺的合毛工序加上棉纺的梳理、并条粗纱细纱工序。传统包芯纱工艺流程可以做粗纺或者精纺,但粗纱的成纱质量低,精纺工艺流程长,生产成本高,采取半精纺这种纺纱方式的主要原因是成本低,成纱质量好,多种纤维混纺时能够充分混合均匀,便于做色纺产品。
包芯纱是由外包纤维包裹一根长丝加捻制成的,长丝与短纤的包芯纱外包纤维一般用棉毛涤纶腈纶锦纶粘胶,芯丝一般用涤纶长丝,锦纶长丝,氨纶长丝等弹性和强力较好的合成纤维长丝。包芯纱能够兼具芯丝和外包纤维的特性和优点,据有强力好弹性高等特点。但包芯纱由于外包纤维是在外层缠绕芯丝有着抗起球效果一般的缺点,且单纱高捻系数时能提高抗起球效果但手感偏硬,低捻系数时外包纤维包芯效果不好纤维容易滑脱。
发明内容
【技术问题】
现有包芯纱由于外包纤维是在外层缠绕芯丝有着抗起球效果一般的缺点,且单纱高捻系数时能提高抗起球效果但手感偏硬,低捻系数时外包纤维包芯效果不好纤维容易滑脱。
【技术方案】
为解决以上问题,本发明提出一种包芯包缠新型纱线的生产工艺,包芯包缠纱由一根芯丝、外包纤维和一根外包丝构成,由一根弹力丝当芯线,外包纤维包裹芯线,另一根弹力丝包缠在上面,适合用于制作针织衣物帽子,在保留包芯纱弹性大强力好的情况下加一根外包丝将外包纤维缠住,提高织物的起毛起球性能。
本发明的第一个目的是提供一种包芯包缠纱线,所述包芯包缠纱线包括芯线、外包丝和外包纤维,外包纤维和外包丝包裹在芯线外部;所述外包丝和芯线为弹力丝。
在本发明的一种实施方式中,所述外包丝包缠在外包纤维外面。
在本发明的一种实施方式中,所述外包丝和芯线优选为涤纶弹力丝或锦纶弹力丝。
在本发明的一种实施方式中,所述外包丝和芯线的弹力丝捻向相同,均为Z向或S向。
在本发明的一种实施方式中,所述外包纤维包括羊毛、腈纶、粘胶、锦纶、棉等。
在本发明的一种实施方式中,所述包芯包缠纱线捻系数为200-300,优选为200-270。
本发明的第二个目的是提供一种制备上述包芯包缠纱线的方法,所述方法是在细纱机上将一根弹力丝从前皮辊处喂入当芯丝,另一根也从前皮辊处喂入缠绕到外包纤维和芯丝上,然后给牵伸后的须条加上捻度,得到包芯包缠纱线;所述包芯包缠纱线捻系数为200-300。
在本发明的一种实施方式中,细纱线密度20-100tex,细纱捻系数200-300偏低设计保证手感柔软,牵伸倍数20-40倍,前罗拉转速180-260r/min。
在本发明的一种实施方式中,外包纤维的制备工艺包括合毛、梳理、并条、粗纱等工艺。
在本发明的一种实施方式中,工艺流程包括以下步骤:
1.原料选配:外包纤维用2%-5%低比例的羊毛和20%-40%的腈纶来提高纱线毛感效果,20%-40%的涤纶粘胶锦纶棉等纤维降低成本或改善手感,选用纤维长度为38mm或51mm长的纤维。芯丝和包缠丝用弹性较好的涤纶弹力丝或锦纶弹力丝,弹力丝的捻向Z向S向皆可,细度选择40D-100D的,孔数1F-24F都行,根据面料要求选择,孔数越小手感越硬。
2.合毛:前纺工序只进行外包纤维的纺纱,合毛工序需要对纤维添加1.0%-2.0%的抗静电剂和5.0%-20.0%的软化水保证后道工序的可纺性正常,并对多种颜色和种类的纤维进行充分开松混合。
3.梳理工序采用的设备是盖板式梳理机,此道工序将经过将合毛后的混合纤维束梳理成单纤维状态,使混合纤维变得伸直且纤维与纤维之间互相平行,制成一定规格和质量要求的匀均棉条并有规律地圈放在棉条筒中,且有一定的除杂效果。梳棉定量18-23克/5米,为保证梳理效果梳理机的锡林-盖板隔距用8-12千分之英寸,给棉板-刺辊隔距7-12千分之英寸,刺辊转速350-450r/min,锡林转速300-350r/min,道夫转速23-28r/min。
4.并条工序经过一并和二并,二并用自调匀整机台保证并条的条干不匀率合格,此道工序是将6-8根梳棉生条并合制成一根棉条,降低条子不匀率,使纤维进一步伸直平行,并且使条子中的各种纤维成分混合均匀。并条条子的定量为18-24克/5米,一并牵伸倍数6-9倍,二并牵伸倍数6.5-7.5倍,并条的罗拉中心距用54*60mm或62*68mm,并条车速260-330米/分钟。
5.粗纱工序是将并条抽长拉细并使纤维进一步甚至平行,由于并条经粗纱机牵伸后强力较低,所以需加上一定的捻度来提高粗纱强力,以避免卷绕和退绕时的意外伸长,然后将加捻后的粗纱卷绕在筒管上,制成一定形状和大小的卷装。粗纱的定量为5-11克/10米,牵伸倍数4-8倍,粗纱的罗拉中心距用54*60mm或62*68mm,粗纱捻系数控制在60-100,车速800-1000r/min。
6.细纱工序是将粗纱均匀地抽长拉细到所需要的线密度,一根弹力丝从前皮辊处喂入当芯丝,另一根也从前皮辊处喂入缠绕到外包纤维和芯丝上,然后给牵伸后的须条加上适当的捻度,给单纱一定的强度、弹性和光泽等物理机械性能,然后将细纱卷绕成管纱供自络使用。细纱线密度20-100tex,细纱捻系数200-300偏低设计保证手感柔软,牵伸倍数20-40倍,前罗拉转速180-260r/min,以一根弹力丝为芯线的单丝包芯纱捻系数一般在350-400之间。
7.络筒是用自动络筒机将细纱生产的管纱退绕然后卷绕成容量大且能符合后续加工要求的筒纱,切掉纱线上的部分疵点杂质。自络筒重1.0-1.5公斤,自络车速800-1000米/分钟,筒装成品,用自动络筒机成型好。
本发明的第三个目的是提供一种含有上述包芯包缠纱线的纺织品。
本发明的有益效果:
通常以一根弹力丝为芯线的单丝包芯纱抗起球等级一般为2-3级,而本发明以双丝包芯纱因为有一根弹力丝在外面包裹住了外包纤维,抗起球等级能达到4级,大幅减少起球数量,两根丝同时也提高了纱线的断裂强度和断裂伸长率。
附图说明
图1为包芯包缠纱的结构图,其中,1为作为芯丝的弹力丝,2为外包纤维,3为作为包缠丝的弹力丝。
具体实施方式
以下对本发明的优选实施例进行说明,应当理解实施例是为了更好地解释本发明,不用于限制本发明。
1、拉伸性能测试方法:
参照GB/T 3916-2013《纺织品卷装纱单根纱线断裂强力和断裂伸长率的测定(CRE法)》对包芯包缠纱的拉伸断裂强度和伸长率进行测试。
2、条干均匀性测试:
参照GB/T 3292.1-2008《纺织品纱条条干不匀试验方法电容法》对包芯包缠纱的线密度不均匀度进行测试,条干CV值计算公式为实验数据的标准差值/平均值。
3、纬斜测试:
参照GB/T 14801-2009《机织物与针织物纬斜和弓纬试验方法》对包芯包缠纱的织片纬斜进行测试。
4、抗起球性能测试:
参照GB/T 48002.2-2008《纺织品织物起毛起球性能的测定第2部分改型马丁代尔法》对包芯包缠纱的起毛起球性能进行测试。
实施例1:一种包芯包缠纱线
如图1所示,一种包芯包缠纱,所述包芯包缠纱包括一条芯丝1、外包纤维2、包缠丝3,包缠丝与外包纤维一起缠绕在芯丝上,其中,外包丝包缠在外包纤维外面。其中,外包纤维为:35腈纶/18棉/15锦纶/5羊毛,纱支15NM/1,腈纶和锦纶用规格为1.67dtex*38mm的短纤,棉用精梳棉条,羊毛用66S切65mm的普通羊毛,芯丝和包缠丝用70D*27F捻向为Z向的锦纶弹力丝。
实施例2:一种制备包芯包缠纱线的方法
一种制备实施例1所述的包芯包缠纱线的方法,所述方法包括以下步骤:
1.原料选配,按重量选配:35腈纶/18棉/15锦纶/5羊毛/27锦纶弹力丝。纱支15NM/1,腈纶和锦纶用规格为1.67dtex*38mm的短纤,棉用精梳棉条,羊毛用66S切65mm的普通羊毛,芯丝和包缠丝用70D*27F捻向为Z向的锦纶弹力丝。
2.合毛:腈纶和锦纶加1.0%的TF-480型抗静电剂和6.0%的软化水,棉加1.0%的TF-480型抗静电剂和5.0%的水,羊毛加2.0%的TF-480型抗静电剂和6.0%的软化水。多种纤维加油完毕后一起用B262型合毛机开松合毛两遍后进下工序。
3.梳理:梳棉设备用FA186D型盖板式梳理机,梳棉定量20克/5米,盖板-锡林隔距10*8*8*8*9千分之英寸,给棉板-刺辊隔距9千分之英寸,刺辊转速430r/min,锡林转速430r/min,道夫转速25r/min。
4.并条:一并条设备用FA306型并条机,8根梳棉生条合并为1根,定量24克/5米,牵伸倍数6.67倍,罗拉中心距54*60mm。二并条设备用FA326型并条机,7根一并条合并为一根,定量为24克/5米,牵伸倍数7倍,罗拉中心距54*60mm。二并条重量不匀率<1.0%,条干不匀率<3.5%。
5.粗纱:粗纱设备用FA457型粗纱机,粗纱定量11克/10米,牵伸倍数4.36倍,罗拉中心距54*60mm,粗纱捻系数为82.9,车速900r/min。
6.细纱用一根70D/24F捻向为Z向的锦纶弹力丝做芯线,一根70D/24F捻线为Z向的锦纶弹力丝做包缠丝,细纱设备用FA506型细纱机,细纱线密度66.7tex,牵伸倍数21.4倍,细纱捻系数245,前罗拉转速240r/min。
7.自络设备用Autoconer X5自动络筒机,能有效切除疵点去除异纤杂质,自络电清用电容式电清,筒重1.0公斤/筒,锭速1000米/分钟,筒装成品。
实施例3:
参照实施例2的包芯包缠纱线纺纱方法,区别在于:提高细纱的捻系数,捻系数由245提高到300。实施例3纱线用横编针织机织成50cm*50cm的布片与实施例2做对比,布面手感软硬程度实施例3的更硬,实施例3的纬斜更严重一点。
对比例1:
参照实施例2的包芯包缠纱线纺纱方法,区别在于:调整弹力丝捻向,芯丝用Z向70D*24F锦纶弹力丝,包缠丝用S向70D*24F锦纶弹力丝。对比例1纱线用横编针织机织成50cm*50cm的布片与实施例2做对比,布面手感软硬程度相同,但布面纬斜程度不同,对比例1的纬斜更加严重。可见,外包丝和芯线的弹力丝需保证捻向相同,否则会严重影响部门纬斜程度。
对比例2:
参照实施例1的包芯包缠纱线,区别在于,省略包缠丝3,其他条件同实施例1和2。结果显示,纱线的断裂强度和断裂伸长率对比实施例2有明显降低,用横编针织机织成50cm*50cm的针织布片纬斜程度比实施例2严重,抗起球等级对比实施例2有明显降低。
对比例3:
参照实施例1的包芯包缠纱线,区别在于,包缠丝3位置与芯丝1位置相同,均为芯线,仅外包纤维2包缠,其他条件同实施例1和2。结果显示,纱线的断裂强度和断裂伸长率对比实施例2无明显变化,用横编针织机织成50cm*50cm的针织布片纬斜程度比实施例2严重,抗起球等级对比实施例2有明显降低。
表1包芯纱纱线质量对比
同一规格下,丝的捻向主要影响布的纬斜程度,捻系数提高会提高纱线的强度和伸长率,但布面手感偏硬,捻系数可根据纱线用途进行调整。
虽然本发明已以较佳实施例公开如上,但其并非用以限定本发明,任何熟悉此技术的人,在不脱离本发明的精神和范围内,都可做各种的改动与修饰,因此本发明的保护范围应该以权利要求书所界定的为准。
Claims (10)
1.一种包芯包缠纱线,其特征在于,所述包芯包缠纱线包括芯线、外包纤维和外包丝,外包纤维和外包丝包裹在芯线外部;所述外包丝和芯线为弹力丝。
2.根据权利要求1所述的包芯包缠纱线,其特征在于,所述外包丝包缠在外包纤维外面。
3.根据权利要求1或2所述的包芯包缠纱线,其特征在于,所述外包丝和芯线为40D-100D涤纶弹力丝或锦纶弹力丝。
4.根据权利要求1-3任一项所述的包芯包缠纱线,其特征在于,所述外包丝和芯线的弹力丝捻向相同,均为Z向或S向。
5.根据权利要求1-4任一项所述的包芯包缠纱线,其特征在于,所述外包纤维包括羊毛、腈纶、粘胶、锦纶、棉。
6.根据权利要求1-5任一项所述的包芯包缠纱线,其特征在于,所述包芯包缠纱线捻系数为200-300。
7.一种制备权利要求1-6任一项所述的包芯包缠纱线的方法,其特征在于,所述方法是在细纱机上将一根弹力丝从前皮辊处喂入当芯丝,另一根也从前皮辊处喂入缠绕到外包纤维和芯丝上,然后给牵伸后的须条加上捻度,得到包芯包缠纱线;所述包芯包缠纱线捻系数为200-300。
8.根据权利要求7所述的方法,其特征在于,细纱线密度20-100tex,细纱捻系数200-300,牵伸倍数20-40倍,前罗拉转速180-260r/min。
9.根据权利要求8所述的方法,其特征在于,外包纤维的制备工艺包括合毛、梳理、并条、粗纱等工艺。
10.含有权利要求1-6任一项所述的包芯包缠纱线的纺织品。
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