CN104695082A - 一种羊毛膨体纤维制造方法 - Google Patents
一种羊毛膨体纤维制造方法 Download PDFInfo
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- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
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Abstract
本发明提供了一种羊毛膨体纤维制造方法,通过纤维预处理、拉伸、定型、梳理、成球的工艺路线,将羊毛纤维制成一种在湿热条件下可以收缩的纤维,可纯纺或混纺为膨体纱。纱线具有一定膨体度比普通羊毛纤维纱线重量减轻,其织物具有较好的蓬松度和柔软度,提高了织物的保暖性。
Description
技术领域
本发明涉及纺织领域,尤其是涉及一种羊毛膨体纤维制造方法。
背景技术
国内外常见的膨体纤维为合成纤维,通过纯纺或混纺成为膨体纱线,存在保暖性差、静电严重等缺陷,目前市场上未见天然纤维膨体纱,羊毛纤维具有弹性好、吸湿性强、保暖性好、不易沾污、光泽柔和的特性。本课题研究一种羊毛膨体纤维的制造方法,通过纤维预处理---拉伸-----定型-----梳理-----成球的工艺路线,将羊毛纤维制成一种在湿热条件下可以收缩的纤维,可纯纺或混纺为膨体纱。
发明内容
本发明提供一种羊毛膨体纤维制造方法。
为实现上述的发明目的,本发明采取的实施方式如下:
一种羊毛膨体纤维制造方法,其步骤如下:
(1)将亚硫酸氢钠6.3千克与渗透剂JFC1千克混合,加水400L,温度50℃搅拌均匀;
(2)将12千克毛球反倒为松式毛球4个,浸泡到步骤1所得溶液中,浸透捞出;
(3)将浸透好的4根毛球同时引入喂入区;
(4)在拉伸加捻区,捻度偏大掌握,2-3区捻度25捻/米,4-6区捻度35捻/米,加大拉伸力,拉伸倍数3倍,温度控制:加捻区60℃,拉伸区100℃;
(5)在定型区,拉伸后毛条在毛条不断头的前提下,张力偏大掌握,定型温度60℃;
(6)水洗定型,将拉伸后毛球放入水洗槽,40℃水浸泡12小时,水洗三次,每次15分钟,捞出;
(7)使用甩干机将毛球甩干;
(8)使用复洗机压碾、烘干、梳理毛条成球,烘干采用冷风烘干;
(9)使用针梳机梳理毛条成标准克重毛条,成球。
本方案是一种纯天然纤维膨体纤维制造技术,通过优选化学助剂,合理拉伸、定型工艺配置,对毛条进行拉伸,使蛋白质纤维分子链结构发生变化,暂时定型技术使形成的新分子链分子之间集聚回弹应力,在湿热条件下分子结构恢复到原来构象。羊毛属蛋白质纤维,微原纤内基原纤之间靠分子引力、氢键、盐式键和胱氨酸二硫键联结,若干微原纤在结晶区中基本平行排列,形成多肽键大分子线形,空间结构多为α螺旋键。本方案采用化学及物理相结合方法,将普通羊毛纤维经过化学方法预处理,使部分分子键打开,消除分子间作用力。再经过力学过拉伸,将分子键拉长,同时将打开的分子键断开,采用低温拉伸、低温定型工艺,制成分子结构不稳定的收缩羊毛纤维。其沸水收缩率在10%-20%之间,可直接纯纺纱线或与普通羊毛混纺纱线,高温使过拉伸羊毛纤维应力释放回缩形成立体形状的纯毛膨体纱。
本发明的有益效果是:纱线具有一定膨体度比普通羊毛纤维纱线重量减轻,其织物具有较好的蓬松度和柔软度,提高了织物的保暖性。
具体实施方式
以下结合实施例,对依据本发明提供的具体实施方式详述如下:
实施例1
羊毛膨体纤维制造方法,其步骤如下:
(1)将亚硫酸氢钠6.3千克与渗透剂JFC1千克混合,加水400L,温度50℃搅拌均匀。
(2)将12千克毛球反倒为松式毛球4个,浸泡到步骤1所得溶液中,浸透捞出。使羊毛大分子侧基充分膨化、并通过还原剂拆散其分子间的二硫键,迅速降低羊毛大分子之间的内应力。
(3)将浸透好的4个毛球同时引入喂入区。多根毛条同时连续喂入可弥补单根毛条的接头集中易出现粗细相差悬殊的弱节问题,使毛条合并后整体均匀,提高拉伸后毛条的质量稳定性。
(4)在拉伸加捻区,拉伸捻度直接影响到毛条在拉伸区内的拉伸质量、为实现毛条的过拉伸,捻度偏大掌握,2-3区捻度25捻/米,4-6区捻度35捻/米,加大拉伸力,拉伸倍数3倍。温度控制:加捻区60℃,拉伸区100℃。
(5)暂时定型技术,羊毛拉伸时,羊毛蛋白分子链中的螺旋状卷曲的α—构象转变为β—构象,放松后,分子构象产生可逆的变化,最后恢复到α—构象。利用分子构象的逆转,在定型区,为保证毛纤维湿热后的最大回缩,达到膨体效果,最关键的工艺是拉伸后毛条在定型区内的张力大小要合适,在毛条不断头的前提下,张力偏大掌握,定型温度60℃。
(6)水洗定型,将拉伸后毛球放入水洗槽,40℃水浸泡12小时,水洗三次,每次15分钟,捞出。
(7)为避免毛条太湿,复洗时毛条压不开,使用甩干机将毛球甩干。
(8)使用复洗机压碾、烘干、梳理毛条成球,为保证毛纤维湿热后的最大回缩,达到膨体效果,烘干采用冷风烘干。
(9)使用针梳机梳理毛条成标准克重毛条,成球。
以上对本发明的一个实施例进行了详细说明,但所述内容仅为本发明的较佳实施例,不能被认为用于限定本发明的实施范围。凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。
Claims (1)
1.一种羊毛膨体纤维制造方法,其步骤如下:
(1)将亚硫酸氢钠6.3千克与渗透剂JFC1千克混合,加水400L,温度50℃搅拌均匀;
(2)将12千克毛球反倒为松式毛球4个,浸泡到步骤1所得溶液中,浸透捞出;
(3)将浸透好的4根毛球同时引入喂入区;
(4)在拉伸加捻区,捻度偏大掌握,2-3区捻度25捻/米,4-6区捻度35捻/米,加大拉伸力,拉伸倍数3倍,温度控制:加捻区60℃,拉伸区100℃;
(5)在定型区,拉伸后毛条在毛条不断头的前提下,张力偏大掌握,定型温度60℃;
(6)水洗定型,将拉伸后毛球放入水洗槽,40℃水浸泡12小时,水洗三次,每次15分钟,捞出;
(7)使用甩干机将毛球甩干;
(8)使用复洗机压碾、烘干、梳理毛条成球,烘干采用冷风烘干;
(9)使用针梳机梳理毛条成标准克重毛条,成球。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110257938A (zh) * | 2019-06-17 | 2019-09-20 | 张家港市荣昌涤纶毛条有限公司 | 涤纶膨体毛条的生产工艺 |
CN110331452A (zh) * | 2019-06-17 | 2019-10-15 | 张家港市荣昌涤纶毛条有限公司 | 扁平丝涤纶毛条的生产工艺 |
CN111691043A (zh) * | 2020-08-07 | 2020-09-22 | 东华大学 | 基于β折叠向α螺旋转变的细化羊毛的轻柔毛织物及其制备 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110257938A (zh) * | 2019-06-17 | 2019-09-20 | 张家港市荣昌涤纶毛条有限公司 | 涤纶膨体毛条的生产工艺 |
CN110331452A (zh) * | 2019-06-17 | 2019-10-15 | 张家港市荣昌涤纶毛条有限公司 | 扁平丝涤纶毛条的生产工艺 |
CN110331452B (zh) * | 2019-06-17 | 2021-06-15 | 张家港市荣昌涤纶毛条有限公司 | 扁平丝涤纶毛条的生产工艺 |
CN111691043A (zh) * | 2020-08-07 | 2020-09-22 | 东华大学 | 基于β折叠向α螺旋转变的细化羊毛的轻柔毛织物及其制备 |
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