CN108754810A - 一种取代羽绒的暖棉/发热棉的生产工艺 - Google Patents

一种取代羽绒的暖棉/发热棉的生产工艺 Download PDF

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CN108754810A
CN108754810A CN201810577877.5A CN201810577877A CN108754810A CN 108754810 A CN108754810 A CN 108754810A CN 201810577877 A CN201810577877 A CN 201810577877A CN 108754810 A CN108754810 A CN 108754810A
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沈海生
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Abstract

本发明公开了一种取代羽绒的暖棉/发热棉的生产工艺,包括如下步骤:所述发热棉纱由甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉纤维混纺而成,然后采用上述发热棉纱进行针织纬编,得到纬编针织面料,最后进行后整理即得取代羽绒的暖棉/发热棉。本发明的面料不仅具有发热的特性,也具有保暖的特性。通过发热腈纶纤维在中腔存储静止空气,提高了保暖性能。另外,中空的纤维结构也有利于自然光更多地进入纤维内部,内部的纳米级远红外无机粉体与自然光更多地接触,实现了自然光转化成高热的远红外光,达到了发热的目的。

Description

一种取代羽绒的暖棉/发热棉的生产工艺
技术领域
本发明属于纺织技术领域,具体涉及一种取代羽绒的暖棉/发热棉的生产工艺。
背景技术
防寒保暖是服饰是的一个重要性能,减少热量的流失是传统的保暖主要方法,如使用多层衣物。随着社会对服装要求的日益提高,尤其是在舒适、功能以及美观上,臃肿厚重的服饰已与人们的审美相背离。由此,发热纤维益来益受到热捧。从原理上看,发热纤维可通过吸湿发热、电能发热、光能发热、相变放热以及化学放热这几种方法得以实现。其中,生产吸湿发热纤维的技术相对成熟且有多款产品面市,如Warmsensor纤维、Softwarm纤维、N38纤维等等。中国发明专利CN201110098693.9提出了一种吸湿发热纤维材料的制备方法,通过一定比例的丙烯酸,丙烯酰胺和丙烯腈在氧化还原体系下引发接枝聚合,然后将反应产物定型,得到了吸湿率高于25%的发热纤维。相对而言,相变放热也有少量研究,如中国发明专利CN200710014607.5提出了一种相变储能纤维及其制备方法,采用纤维素浆粕纤维素胶粘溶液,将相变材料石蜡熔融液混合制得纺丝溶液,再纺丝制得相变储能粘胶纤维。
理论上看,相变储能技术也有着明显的缺点。相变材料自身并不会发热,它仍然是一种被动“产热”,只是储存了环境中的热量。被动产热往往意味着供热不足,保暖能力不够,效率低下。吸热放热是利用纤维大分子的极性基因捕获高动能水分子,并将其固定至纤维表面,动能向热能的转换,实现了发热的目的,值得注意的是纤维回潮率较低,吸湿性很有限,难以实现纤维的明显发热,且该发热也只能出现在具有明显湿度差异的环境变化,若在相同的环境,纤维已达吸湿平衡,放热现象更不明显。
发明内容
发明目的:为了解决现有技术的不足,本发明提供了一种取代羽绒的暖棉/发热棉的生产工艺。
技术方案:一种取代羽绒的暖棉/发热棉的生产工艺,包括如下步骤:所述发热棉纱由甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉纤维混纺而成,然后采用上述发热棉纱进行针织纬编,得到纬编针织面料,最后进行后整理即得取代羽绒的暖棉/发热棉;
甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉混纺的质量比为55~87:22~35:11~17:9~16:6~14;
所述发热腈纶纤维的制备步骤如下:将聚丙烯腈溶于混合溶剂并经脱泡、过滤,得到腈纶纺丝原液;所述混合溶剂由二甲基甲酰胺和丙酮按体积比1:8~10混合而成,工业氮气的温度为220~240℃,通气量为0.8~1.6m3/min;将腈纶纺丝原液由喷丝板挤出,进入漂浮有纳米级远红外无机粉体的纺丝甬道,纺丝甬道中纳米级远红外无机粉体的浓度为180~260mg/m3;在工业氮气的作用下,腈纶纺丝原液固化成形,得到发热腈纶纤维。
作为优化:所述纳米级远红外无机粉体为陶瓷粉、氧化铝、二氧化硅、氧化镁、氧化锆或二氧化钛,其平均粒径为60~140nm。
作为优化:所述的纬编针织面料的克重在150~260g/m2
有益效果:本发明的面料不仅具有发热的特性,也具有保暖的特性。通过发热腈纶纤维在中腔存储静止空气,提高了保暖性能。另外,中空的纤维结构也有利于自然光更多地进入纤维内部,内部的纳米级远红外无机粉体与自然光更多地接触,实现了自然光转化成高热的远红外光,达到了发热的目的。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,以使本领域的技术人员能够更好的理解本发明的优点和特征,从而对本发明的保护范围做出更为清楚的界定。本发明所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例,基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例,都属于本发明保护的范围。
具体实施例1
一种取代羽绒的暖棉/发热棉的生产工艺,包括如下步骤:所述发热棉纱由甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉纤维混纺而成,然后采用上述发热棉纱进行针织纬编,得到纬编针织面料,最后进行后整理即得取代羽绒的暖棉/发热棉;所述的纬编针织面料的克重在150g/m2
所述甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉混纺的质量比为55:22:11:9:6。
所述发热腈纶纤维的制备步骤如下:将聚丙烯腈溶于混合溶剂并经脱泡、过滤,得到腈纶纺丝原液;所述混合溶剂由二甲基甲酰胺和丙酮按体积比1:8混合而成,工业氮气的温度为220℃,通气量为0.8m3/min;将腈纶纺丝原液由喷丝板挤出,进入漂浮有纳米级远红外无机粉体的纺丝甬道,纺丝甬道中纳米级远红外无机粉体的浓度为180mg/m3;在工业氮气的作用下,腈纶纺丝原液固化成形,得到发热腈纶纤维。所述纳米级远红外无机粉体为陶瓷粉、氧化铝、二氧化硅、氧化镁、氧化锆或二氧化钛,其平均粒径为60nm。
具体实施例2
一种取代羽绒的暖棉/发热棉的生产工艺,包括如下步骤:所述发热棉纱由甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉纤维混纺而成,然后采用上述发热棉纱进行针织纬编,得到纬编针织面料,最后进行后整理即得取代羽绒的暖棉/发热棉;所述的纬编针织面料的克重在260g/m2
所述甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉混纺的质量比为87:35:17:16:14。
所述发热腈纶纤维的制备步骤如下:将聚丙烯腈溶于混合溶剂并经脱泡、过滤,得到腈纶纺丝原液;所述混合溶剂由二甲基甲酰胺和丙酮按体积比1:10混合而成,工业氮气的温度为240℃,通气量为1.6m3/min;将腈纶纺丝原液由喷丝板挤出,进入漂浮有纳米级远红外无机粉体的纺丝甬道,纺丝甬道中纳米级远红外无机粉体的浓度为260mg/m3;在工业氮气的作用下,腈纶纺丝原液固化成形,得到发热腈纶纤维。所述纳米级远红外无机粉体为陶瓷粉、氧化铝、二氧化硅、氧化镁、氧化锆或二氧化钛,其平均粒径为140nm。
具体实施例3
一种取代羽绒的暖棉/发热棉的生产工艺,包括如下步骤:所述发热棉纱由甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉纤维混纺而成,然后采用上述发热棉纱进行针织纬编,得到纬编针织面料,最后进行后整理即得取代羽绒的暖棉/发热棉;所述的纬编针织面料的克重在230g/m2
所述甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉混纺的质量比为73:29:16:12:12。
所述发热腈纶纤维的制备步骤如下:将聚丙烯腈溶于混合溶剂并经脱泡、过滤,得到腈纶纺丝原液;所述混合溶剂由二甲基甲酰胺和丙酮按体积比1:9混合而成,工业氮气的温度为230℃,通气量为1.3m3/min;将腈纶纺丝原液由喷丝板挤出,进入漂浮有纳米级远红外无机粉体的纺丝甬道,纺丝甬道中纳米级远红外无机粉体的浓度为210mg/m3;在工业氮气的作用下,腈纶纺丝原液固化成形,得到发热腈纶纤维。所述纳米级远红外无机粉体为陶瓷粉、氧化铝、二氧化硅、氧化镁、氧化锆或二氧化钛,其平均粒径为110nm。
本发明的面料不仅具有发热的特性,也具有保暖的特性。通过发热腈纶纤维在中腔存储静止空气,提高了保暖性能。另外,中空的纤维结构也有利于自然光更多地进入纤维内部,内部的纳米级远红外无机粉体与自然光更多地接触,实现了自然光转化成高热的远红外光,达到了发热的目的。

Claims (3)

1.一种取代羽绒的暖棉/发热棉的生产工艺,其特征在于:包括如下步骤:所述发热棉纱由甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉纤维混纺而成,然后采用上述发热棉纱进行针织纬编,得到纬编针织面料,最后进行后整理即得取代羽绒的暖棉/发热棉;
甲壳素粘胶纤维、远红外竹炭长丝、发热腈纶纤维、氨纶纤维与棉混纺的质量比为55~87:22~35:11~17:9~16:6~14;
所述发热腈纶纤维的制备步骤如下:将聚丙烯腈溶于混合溶剂并经脱泡、过滤,得到腈纶纺丝原液;所述混合溶剂由二甲基甲酰胺和丙酮按体积比1:8~10混合而成,工业氮气的温度为220~240℃,通气量为0.8~1.6m3/min;将腈纶纺丝原液由喷丝板挤出,进入漂浮有纳米级远红外无机粉体的纺丝甬道,纺丝甬道中纳米级远红外无机粉体的浓度为180~260mg/m3;在工业氮气的作用下,腈纶纺丝原液固化成形,得到发热腈纶纤维。
2.根据权利要求1所述的取代羽绒的暖棉/发热棉的生产工艺,其特征在于:所述纳米级远红外无机粉体为陶瓷粉、氧化铝、二氧化硅、氧化镁、氧化锆或二氧化钛,其平均粒径为60~140nm。
3.根据权利要求1所述的取代羽绒的暖棉/发热棉的生产工艺,其特征在于:所述的纬编针织面料的克重在150~260g/m2
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