CN113862991B - 抗菌经编花边面料及其制备方法 - Google Patents
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Abstract
本发明公开了一种抗菌经编花边面料的制备方法,属于纺织技术领域,该抗菌经编花边面料至少由抗菌纤维通过经编工艺编织得到;抗菌纤维的制备方法包括以下步骤:将棉纤维依次置于复合碱液和碱液中处理,再置于巯基乙酸溶液中浸渍;再经过高温高压下活化处理,置于硝酸银溶液中浸渍,最后经洗涤、烘干得到。该抗菌纤维抗菌组分负载量高,与纤维结合稳定,使得所得抗菌经编花边面料即使在多次水洗和长期浸湿的状态下也能保持良好的抗菌性能。
Description
技术领域
本发明属于纺织技术领域,具体涉及一种抗菌经编花边面料及其制备方法。
背景技术
随着纺织行业的快速发展,逐渐衍生了品类繁多的功能性面料。如凉感面料、抗菌面料、远红外面料、速干面料、防紫外线面料、防辐射面料等。其中,抗菌面料是采用物理的或化学的方法将具有能够抑制细菌生长的物质引入纤维表面或内部,抗菌剂在纤维上不易脱落,同时能通过纤维内部平衡扩散,保持持久的抗菌效果。抗菌面料能有效杀死织物上的微生物,抑制微生物的繁殖,进而达到抗菌除臭的效果。
目前针对抗菌面料的研究较多,如申请号为201510638434.9的中国发明专利公开了一种抗菌面料,由下述重量份纤维混纺织造成混纺面料:30-50份Lyocell纤维、10-30份涤纶长丝纤维、10-30份莫代尔纤维、10-30份亚麻纤维;混纺面料再经过抗菌后整理而成,提高了面料抑菌率,且经过多次水洗之后仍旧保持良好的抗菌性能。再如申请号为202010716429.6的中国发明专利,公开了一种抗菌防渗透面料采用改性超高分子量聚乙烯纤维,改性超高分子量聚乙烯纤维的制备方法为:(1)预溶胀:超高分子量聚乙烯纤维原料、正丁醇、十二烷基乙氧基磺基甜菜碱、纳米银抗菌剂和三乙酸甘油酯混合,搅拌,升温保温,得预溶胀液;(2)改性液制备:气相白炭黑、单壁碳纳米管、马来酸酐、正丁醇、十二烷基乙氧基磺基甜菜碱、纳米银抗菌剂和三乙酸甘油酯混合,搅拌,得改性液;(3)冻胶纺丝:将改性液和预溶胀液混合,搅拌,升温保温;双螺杆挤压,挤出,冷却凝固;将冻胶原丝和乙醇溶液混合,萃取溶剂,干燥;将冻胶丝高倍热拉伸,得改性超高分子量聚乙烯纤维,过程控温控量,具有抗菌防渗、增加润湿性的效果。
对于上述这类锦纶、涤纶、氨纶等聚合物制成的纤维,通常经过抗菌处理后能够得到具有较佳抗菌性能的布料,但是对不棉纤维这类吸水能力较强的纤维,由于其不具有速干特性,在水分长期停留后抗菌性能表现不佳,仍会出现发霉、发臭的问题。
发明内容
为了克服上述现有技术的缺陷,本发明所要解决的技术问题是:如何提高棉纤维纺织面料的抗菌性。
为了解决上述技术问题,本发明采用的技术方案为:抗菌经编花边面料的制备方法,包括抗菌纤维采用经编工艺编织的步骤;所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于复合碱液中于55-65℃下处理15-30min,再于45-55℃下用碱液处理10-15min,再经洗涤;
S2、经S1处理后的棉纤维置于巯基乙酸溶液中于160-180℃下浸渍30-40min,再经洗涤、烘干;
S3、经S2处理后的棉纤维于高温高压下活化处理,然后置于硝酸银溶液中于90-100℃下浸渍20-40min,再经洗涤、烘干。
本发明的有益效果在于:本发明提供的抗菌经编花边面料至少由抗菌纤维通过经编工艺编织得到,本发明提供的抗菌纤维采用棉纤维制成,制备过程中通过利用复合碱液处理后再进行碱液处理,可显著提高碱液处理效果,利于后续将银离子嵌入纤维中;然后使用巯基乙酸进行处理,达到对银的固定作用,使其能够稳定的嵌入纤维中,即使在多次水洗和长期浸湿的状态下也能保持良好的抗菌性能。
具体实施方式
为详细说明本发明的技术内容、所实现目的及效果,以下结合实施方式予以说明。
本发明最关键的构思在于:在碱液处理前采用复合碱液进行预处理,提高碱液处理的效果,配合巯基乙酸以及高温高压处理,提升银离子嵌入的稳定性。
本发明提供一种抗菌经编花边面料的制备方法,至少由抗菌纤维通过经编工艺编织得到;
所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于复合碱液中于55-65℃下处理15-30min,(不洗涤,挤复合碱液后再于45-55℃下用碱液处理10-15min,再经清水洗涤至出水呈中性;
S2、经S1处理后的棉纤维置于巯基乙酸溶液中于160-180℃下浸渍30-40min,再经洗涤、烘干;
S3、经S2处理后的棉纤维于高温高压下活化处理,然后置于硝酸银溶液中于90-100℃下浸渍20-40min,再经洗涤、烘干。
从上述描述可知,本发明的有益效果在于:本发明提供的抗菌经编花边面料至少由抗菌纤维通过经编工艺编织得到,本发明提供的抗菌纤维采用具有较强吸水性的棉纤维制成,制备过程中通过利用复合碱液处理后再进行碱液处理,可显著提高碱液处理效果,复合碱液和碱液的处理一方面可以除去棉织物基材上的污渍、生物油、杀死部分微生物,另一方面利于后续将银离子嵌入纤维中,提升抗菌成分的负载量;然后使用巯基乙酸进行处理,棉纤维上的羟基与巯基乙酸的羧基发生酯化反应,进而牢固的接合在一起,随后巯基和银键合使得银能够被固定,进而使其能够稳定的嵌入纤维中,而不仅仅是附着在纤维的表层,进而在多次水洗和长期浸湿的状态下也能保持良好的抗菌性能。
进一步的,洗涤的清水可以为蒸馏水也可以为自来水,自来水相较于蒸馏水并不会对抗菌效果产生显著影响,基于成本考虑优选自来水,每步洗涤一般为3次。
进一步的,所述S2为:经S1处理后的棉纤维置于羧甲基壳聚糖溶液中于160-180℃下浸渍20-30min,然后加入巯基乙酸溶液,继续浸渍15-25min,再经洗涤、烘干。
由上述描述可知,羧甲基壳聚糖能够提升纤维的抗菌能力,同时羧甲基壳聚糖上的羧基可与纤维上的羟基发生酯化反应,进而与棉纤维牢固的接合在一起,且羧甲基壳聚糖的大分子链结构能够避免银负载后出现团聚的现象,使其能够充分发挥抗菌作用。
进一步的,所述复合碱液包括6-8wt%的NaOH、1.3-1.6wt%的H2O2、0.3-0.5wt%的EDTA,所述碱液为6-8%的NaOH溶液。
由上述描述可知,相较于直接使用6-8%的NaOH溶液处理,利用含有H2O2的复合碱液处理后,能够提升纤维的蓬松度,加深碱液处理的效果,增加纤维的比表面积,进而能够使纤维负载更多的抗菌剂;碱液的浓度不宜过高,过高不仅不能起到良好的预处理,还会增加成本,降低棉纤维的强度和光泽度。
进一步的,所述S2中使用的是0.2-0.3wt%的羧甲基壳聚糖溶液。
进一步的,所述S3中使用的是0.6-0.8mmol/L的硝酸银溶液。
由上述描述可知,羧甲基壳聚糖和硝酸银的浓度不宜过高,过高不仅无法完全负载,还会造成原料成本的增高,影响成品的透气性。
进一步的,所述高温高压的条件为110-135℃,0.1-0.15MPa,10-20min。
由上述描述可知,高温高压处理后再进行银负载,能够降低纤维表面毛羽的再生,提升纤维的物性,保证抗菌剂负载的稳定性。
进一步的,所述抗菌经编花边面料包括依次层叠设置的抗菌外层、花边层和抗菌内层;所述抗菌外层、花边层和抗菌内层通过聚酯纤维编织连接;
所述抗菌外层由所述抗菌纤维和聚四氟乙烯纤维编织得到;
所述抗菌内层由所述抗菌纤维和速干聚酯纤维(涤纶)编织得到。
由上述描述可知,抗菌经编花边面料的内层紧贴皮肤或者与紧贴皮肤的布料连接,内层由所述抗菌纤维和速干聚酯纤维编织得到,使得抗菌能层能够快速吸附和排出汗水,而外层由于直接与外界接触,由所述抗菌纤维和聚四氟乙烯纤维编织得到能够提升外层的防油污效果,减少由于由外层渗入。
进一步的,所述抗菌内层的横向经编密度大于所述抗菌外层的横向经编密度;所述抗菌内层的纵向经编密度大于所述抗菌外层的纵向经编密度。
由上述描述可知,抗菌内层的横向和纵向经编密度均大于外层,有利于抗菌内层吸收的水分(汗水)快速蒸发。
进一步的,所述花边层由一种或多种颜色的聚酰胺纤维(尼龙),或者聚酰胺纤维和聚氨基甲酸酯纤维(氨纶)通过经编工艺和花边经编工艺编织得到。
由上述描述可知,花边层夹在抗菌内层和抗菌外层之间,能够有效起到内外层隔绝污物和微生物的作用,聚氨基甲酸酯纤维可提供弹力,制得具有弹力的花边层。
一种由上述的抗菌经编花边面料的制备方法制备得到的抗菌经编花边面料,在多次水洗和长期浸湿的状态下也能保持良好的抗菌性能。
本发明的实施例一为:
抗菌经编花边面料的制备方法,包括抗菌纤维采用经编工艺编织的步骤;
所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于复合碱液中于65℃下处理20min,不洗涤,挤出复合碱液后再于50℃下用碱液处理12min,再经清水洗涤3次至出水呈中性;
复合碱液由6wt%的NaOH、1.5wt%的H2O2、0.3wt%的EDTA和余量的水组成;碱液为6%的NaOH溶液;
S2、经S1处理后的棉纤维置于0.2wt%的羧甲基壳聚糖溶液中于160℃下浸渍20min,然后加入0.6mmol/L的巯基乙酸溶液,继续于160℃下浸渍20min,再经清水洗涤3次至无未反应物,再于100℃下烘干;
S3、经S2处理后的棉纤维于120℃,0.1MPa的高温高压下活化处理min,然后置于硝酸银溶液中于95℃下浸渍20min,再经清水洗涤3次,再于100℃下烘干。
本发明的实施例二为:
抗菌经编花边面料的制备方法,包括抗菌纤维采用经编工艺编织的步骤;
所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于复合碱液中于55℃下处理30min,不洗涤,挤出复合碱液后再于45℃下用碱液处理10min,再经清水洗涤3次至出水呈中性;
复合碱液由8wt%的NaOH、1.6wt%的H2O2、0.5wt%的EDTA和余量的水组成;碱液为8%的NaOH溶液;
S2、经S1处理后的棉纤维置于0.3wt%的羧甲基壳聚糖溶液中于170℃下浸渍25min,然后加入0.8mmol/L的巯基乙酸溶液,继续于170℃下浸渍25min,再经清水洗涤3次至无未反应物,再于100℃下烘干;
S3、经S2处理后的棉纤维于110℃,0.15MPa的高温高压下活化处理20min,然后置于硝酸银溶液中于100℃下浸渍40min,再经清水洗涤3次,再于100℃下烘干。
本发明的实施例三为:
抗菌经编花边面料的制备方法,包括抗菌纤维采用经编工艺编织的步骤;
所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于复合碱液中于60℃下处理15min,不洗涤,挤出复合碱液后再于55℃下用碱液处理15min,再经清水洗涤3次至出水呈中性;
复合碱液由7wt%的NaOH、1.3wt%的H2O2、0.4wt%的EDTA和余量的水组成;碱液为7%的NaOH溶液;
S2、经S1处理后的棉纤维置于0.25wt%的羧甲基壳聚糖溶液中于180℃下浸渍30min,然后加入0.7mmol/L的巯基乙酸溶液,继续于180℃下浸渍15min,再经清水洗涤3次至无未反应物,再于100℃下烘干;
S3、经S2处理后的棉纤维于135℃,0.12MPa的高温高压下活化处理10min,然后置于硝酸银溶液中于90℃下浸渍30min,再经清水洗涤3次,再于100℃下烘干。
本发明的实施例四为:
抗菌经编花边面料的制备方法,包括抗菌纤维采用经编工艺编织的步骤;
所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于复合碱液中于65℃下处理20min,不洗涤,挤出复合碱液后再于50℃下用碱液处理12min,再经清水洗涤3次至出水呈中性;
复合碱液由6wt%的NaOH、1.5wt%的H2O2、0.3wt%的EDTA和余量的水组成;碱液为6%的NaOH溶液;
S2、经S1处理后的棉纤维置于0.6mmol/L的巯基乙酸溶液于160℃下浸渍40min,再经清水洗涤3次至无未反应物,再于100℃下烘干;
S3、经S2处理后的棉纤维于120℃,0.1MPa的高温高压下活化处理min,然后置于硝酸银溶液中于95℃下浸渍20min,再浸入再经清水洗涤3次,再于100℃下烘干。
本发明的实施例五为:
抗菌经编花边面料,包括依次层叠设置的抗菌外层、花边层和抗菌内层;所述抗菌外层、花边层和抗菌内层通过聚酯纤维编织连接;
所述抗菌外层由实施例1的抗菌纤维和聚四氟乙烯纤维通过经编工艺编织得到;
所述抗菌内层由实施例1的抗菌纤维和速干聚酯纤维通过经编工艺编织得到;
所述抗菌内层的横向经编密度大于所述抗菌外层的横向经编密度;所述抗菌内层的纵向经编密度大于所述抗菌外层的纵向经编密度;
所述花边层由聚酰胺纤维和聚氨基甲酸酯纤维通过经编工艺和花边经编工艺编织得到。
本发明的实施例六为:
抗菌经编花边面料,包括依次层叠设置的抗菌外层、花边层和抗菌内层;所述抗菌外层、花边层和抗菌内层通过聚酯纤维编织连接;
所述抗菌外层由实施例1的抗菌纤维和聚四氟乙烯纤维通过经编工艺编织得到;
所述抗菌内层由实施例1的抗菌纤维和速干聚酯纤维通过经编工艺编织得到;
所述抗菌内层的横向经编密度大于所述抗菌外层的横向经编密度;所述抗菌内层的纵向经编密度大于所述抗菌外层的纵向经编密度;
所述花边层由聚酰胺纤维通过经编工艺和花边经编工艺编织得到。
本发明的对比例一为:
抗菌经编花边面料的制备方法,包括抗菌纤维采用经编工艺编织的步骤;
所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于50℃下用碱液处理32min,再经清水洗涤3次至出水呈中性;碱液为6%的NaOH溶液;
S2、经S1处理后的棉纤维置于0.2wt%的羧甲基壳聚糖溶液中于160℃下浸渍20min,然后加入0.6mmol/L的巯基乙酸溶液,继续于160℃下浸渍20min,再经清水洗涤3次至无未反应物,再于100℃下烘干;
S3、经S2处理后的棉纤维于120℃,0.1MPa的高温高压下活化处理min,然后置于硝酸银溶液中于95℃下浸渍20min,再经清水洗涤3次,再于100℃下烘干。
本发明的对比例二为:
抗菌经编花边面料的制备方法,包括抗菌纤维采用经编工艺编织的步骤;
所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于复合碱液中于65℃下处理20min,不洗涤,挤出复合碱液后再于50℃下用碱液处理12min,再经清水洗涤3次至出水呈中性;
复合碱液由6wt%的NaOH、1.5wt%的H2O2、0.3wt%的EDTA和余量的水组成;碱液为6%的NaOH溶液;
S2、经S1处理后的棉纤维置于0.2wt%的羧甲基壳聚糖溶液中于160℃下浸渍20min,然后加入0.6mmol/L的巯基乙酸溶液,继续于160℃下浸渍20min,再经清水洗涤3次至无未反应物,再于100℃下烘干;
S3、经S2处理后的棉纤维置于硝酸银溶液中于95℃下浸渍20min,再经清水洗涤3次,再于100℃下烘干。
本发明的对比例三为:
抗菌经编花边面料的制备方法,包括抗菌纤维采用经编工艺编织的步骤;
所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于复合碱液中于65℃下处理20min,不洗涤,挤出复合碱液后再于50℃下用碱液处理12min,再经清水洗涤3次至出水呈中性;
复合碱液由6wt%的NaOH、1.5wt%的H2O2、0.3wt%的EDTA和余量的水组成;碱液为6%的NaOH溶液;
S2、经S1处理后的棉纤维置于0.2wt%的羧甲基壳聚糖溶液中于160℃下浸渍40min,再经清水洗涤3次至无未反应物,再于100℃下烘干;
S3、经S2处理后的棉纤维于120℃,0.1MPa的高温高压下活化处理min,然后置于硝酸银溶液中于95℃下浸渍20min,再经清水洗涤3次,再于100℃下烘干。
实施例一至实施例六,以及对比例一至对比例三种所用的棉纤维均为同批产品。
原料棉纤维、实施例一至三,以及对比例一至三的抗菌纤维分别经相同的经编工艺织成布料,用FZ/T 73023—2006进行抗菌性定量测试,测试水洗30、50和70次后织物的抑菌率,结果依次见表1-3所示。
表1
表2
表3
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等同变换,或直接或间接运用在相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (8)
1.抗菌经编花边面料的制备方法,其特征在于,包括抗菌纤维采用经编工艺编织的步骤;
所述抗菌纤维的制备方法包括以下步骤:
S1、将棉纤维置于复合碱液中于55-65℃下处理15-30min,再于45-55℃下用碱液处理10-15min,再经洗涤;
所述复合碱液包括6-8wt%的NaOH、1.3-1.6wt%的H2O2和0.3-0.5wt%的EDTA,所述碱液为6-8%的NaOH溶液;
S2、经S1处理后的棉纤维置于巯基乙酸溶液中于160-180℃下浸渍30-40min,再经洗涤、烘干;
S3、经S2处理后的棉纤维于高温高压下活化处理,然后置于硝酸银溶液中于90-100℃下浸渍20-40min,再经洗涤、烘干;
所述高温高压的条件为110-135℃,0.1-0.15MPa,10-20min。
2.根据权利要求1所述的抗菌经编花边面料的制备方法,其特征在于,所述S2为:经S1处理后的棉纤维置于羧甲基壳聚糖溶液中于160-180℃下浸渍20-30min,然后加入巯基乙酸溶液,继续浸渍15-25min,再经洗涤、烘干。
3.根据权利要求2所述的抗菌经编花边面料的制备方法,其特征在于,所述S2中使用的是0.2-0.3wt%的羧甲基壳聚糖溶液。
4.根据权利要求1所述的抗菌经编花边面料的制备方法,其特征在于,所述S3中使用的是0.6-0.8mmol/L的硝酸银溶液。
5.根据权利要求1所述的抗菌经编花边面料的制备方法,其特征在于,所述抗菌经编花边面料包括依次层叠设置的抗菌外层、花边层和抗菌内层;所述抗菌外层、花边层和抗菌内层通过聚酯纤维编织连接;
所述抗菌外层由所述抗菌纤维和聚四氟乙烯纤维编织得到;
所述抗菌内层由所述抗菌纤维和速干聚酯纤维编织得到。
6.根据权利要求5所述的抗菌经编花边面料的制备方法,其特征在于,所述抗菌内层的横向经编密度大于所述抗菌外层的横向经编密度;所述抗菌内层的纵向经编密度大于所述抗菌外层的纵向经编密度。
7.根据权利要求5所述的抗菌经编花边面料的制备方法,其特征在于,所述花边层由聚酰胺纤维,或者聚酰胺纤维和聚氨基甲酸酯纤维通过经编工艺和花边经编工艺编织得到。
8.一种由权利要求1-7任一项所述的抗菌经编花边面料的制备方法制备得到的抗菌经编花边面料。
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