CN108286125A - 一种抑菌吸水的功能湿巾 - Google Patents
一种抑菌吸水的功能湿巾 Download PDFInfo
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Abstract
本发明公开了一种抑菌吸水的功能湿巾，由梳理纤维层、改性热熔纤维网、热轧纤网层吸、水纤网层进行水刺加固而成。本发明提供的抑菌吸水的功能湿巾，原料包括壳聚糖纤维、竹浆纤维等抑菌、吸水性好的先借我，质地柔软，吸水抑菌，使用舒适，湿强度高，养护皮肤，可循环使用，回收利用，节约能源，具有很好的生物降解和生物调控性，不会对环境造成污染；无纺布本身具有抑菌功能，并进行功能整理，浸泡液中无需添加抑菌剂和防腐剂，使用安全，无刺激；加工过程简单，制备过程所用水可以循环使用，节约能源和成本。
Description
技术领域
本发明属于功能性非织造布用品技术领域，特别涉及一种一种抑菌吸水的功能湿巾。
背景技术
壳聚糖是由自然界广泛存在的几丁质经过脱乙酰作用得到的，其具有很好的广谱抑菌性、生物相容性、吸附性、成膜性、通透性、吸湿保湿性，被广泛应用于医疗保健、食品卫生等相关行业。竹浆纤维作为一种纤维素纤维是由人们所熟知的竹子加工而成的一种天然高聚物。竹浆纤维因其大分子的特殊结构，具有良好的透气性、瞬间吸水性、较强的耐磨性等，天然抑菌、除螨、防臭、抗紫外线、可生物降解，被誉为新世纪的绿色纤维。
目前国内市场上销售的湿巾、消毒湿巾，其中所含的消毒成分都是化学成分，如漂粉精、新洁尔灭、碘伏、过氧乙酸或乙二醛等，虽然具有一定的杀菌活性，但对皮肤有一定刺激性，特别不适用于破损皮肤、以及婴儿等使用。如为了减少刺激而减少化学消毒成分的含量，又会使湿巾的抑菌效果减弱，不能有效的抑制细菌的生长。因此一种既能有效清洁抑菌又不会产生刺激性，且没有毒副作用的湿巾是消费者迫切需要的。
发明内容
针对现有技术存在的不足，本发明所要解决的技术问题是，提供一种既能有效清洁抑菌又不会产生刺激性，且没有毒副作用的功能湿巾，其由梳理纤维层、改性热熔纤维网、热轧纤网层吸、水纤网层进行水刺加固而成，使得湿巾具有高强力性能的同时也能起到抑菌吸水的作用。
为解决上述技术问题，本发明所采取的技术方案是：一种抑菌吸水的功能湿巾，由梳理纤维层、改性热熔纤维网、热轧纤网层、吸水纤网层进行水刺加固而成，所述梳理纤维网由具有亲水性的短纤维梳理成网，所述改性热熔纤维网由经抑菌处理及亲水处理后的皮芯复合纤维经热熔粘合加固而成，所述热轧纤维层由聚丙烯纤维经纺丝后热轧加固而成；所述吸水纤维网由竹浆纤维梳理成网；该功能湿巾的制备方法包括如下步骤：
（一）制备梳理纤维网
将壳聚糖纤维采用盖板式梳理机进行，并交叉铺叠形成梳理纤维网，纤维网的克重控制为15克～20克/m2；
（二）改性热熔纤维网
（1）称取一定重量比例的聚丙烯和聚酰胺66切片作为原料；
（2）在步骤（1）中聚丙烯和聚酰胺66切片中分别加入占其总重量0.3%-0.5%的抑菌剂和亲水剂，分别经过混合熔融、挤出、造粒后制成改性聚丙烯颗粒和改性聚酰胺66颗粒；
（3）将步骤（2）中制得的改性聚丙烯颗粒和改性聚酰胺66颗粒分别经过干燥后，然后分别投入单螺杆挤压机中加热、熔融，过滤后加入皮芯型复合纺丝组件中，从喷丝孔中挤出得到皮芯复合纤维；
（4）将步骤（3）中得到复合纤维送入狭缝式管道进行气流牵伸，并在成网帘上得到复合纤维网，然后经热熔粘合加固形成改性热熔纤维网；
（三）制备热轧纤维网
（1）称取干燥聚丙烯切片60kg；
（2）将步骤（1）中称好的聚丙烯切片经螺杆纺丝机加热、混合、计量、纺丝得到聚丙烯纤维，然后将纤维经过一对热辊进行牵伸、分丝后经气流铺网形成聚丙烯纤维网，克重控制为6克～12克/m2；
（3）对步骤（2）中形成的纺丝纤维网采用热轧机进行低温热轧加固，热轧温度100℃～120℃，热轧压力1.2Mpa～1.5Mpa，制得热轧纤维网；
（四）制备吸水纤维网
（1）采用天然常青竹为纤维作为纤维浆粕原料，通过湿法纺丝得到竹浆纤维；
（2）将步骤（1）中得到的竹浆纤维采用开松机进行开松后，送入梳理机梳理后平行铺网形成吸水纤维网；
（五）水刺加固
（1）预湿步骤：将步骤（一）至（四）形成的纤维网叠合在一起，通过离线复合后经预湿装置预湿、压实；
（2）将步骤（1）中预湿完成后的纤维网送入水刺设备，通过输送网帘送入水刺机中经过四道正反面水刺加固，水刺压力分别为60～80bar、80-120bar、100-140bar，80-120bar，使得各层纤维网之间相互缠结并复合成一体，形成水刺非织造布；
（六）功能整理
将步骤（五）得到的水刺非织造布送入温度为100-120℃的真空干燥箱中烘燥，得到脱水非织造布，然后将上述脱水非织造布进行紫外线照射，得到抑菌吸水的功能湿巾。
上述一种抑菌吸水的功能湿巾，所述抑菌剂是含有亲水基团的聚丙烯或聚酰胺及其衍生物，或聚丙烯酸酯类或聚乙烯醇类的衍生物。
上述一种抑菌吸水的功能湿巾，所述亲水剂是含有亲水基团的聚丙烯或聚酰胺及其衍生物，或聚丙烯酸酯类或聚乙烯醇类的衍生物。
上述一种抑菌吸水的功能湿巾，所述水刺设备的水刺喷头呈滚筒式圆周排列，所述水刺加固各步骤中水刺喷头的个数为2～4只。
本发明一种抑菌吸水的功能湿巾的优点是：
1、可有效地利用壳聚糖纤维、竹浆纤维和各种化纤，使产品集这些纤维的功能于一体。
2、可以保护纤维本身的性能，不会使纤维受到像针刺那样的损伤。而且不使用粘合剂，具有良好的卫生性。
3、产品具有良好的吸水性、柔软性、抑菌性且具有一定的强力。
4、由于热熔纤维网中添加了抑菌剂和亲水剂，使产品具有良好的抑菌性和吸水性，同时不会影响水刺非织造布本身具有的通透性、柔软性。采用的热轧纤维网还赋予了产品良好的力学性能，使形成的湿巾具有一定强力而不易被撕裂。
5、经该水刺加固工艺的处理，可使得该非织造布整体缠结牢固，且无分层现象，且水刺工艺所赋予的多孔结构，大大提高了非织造布的透气性。
具体实施方式
为使本发明技术方案的目的和优点更加清楚，下面将结合具体实施例，对本发明的技术方案进行清楚、完整地描述，但本发明所描述的实施例只是是本发明的一部分实施例，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。
一种抑菌吸水的功能湿巾，由梳理纤维层、改性热熔纤维网、热轧纤网层吸、吸水纤网层进行水刺加固而成，所述梳理纤维网由具有壳聚糖纤维梳理成网，所述改性热熔纤维网由经抑菌处理及亲水处理后的皮芯复合纤维经热熔粘合加固而成，所述热轧纤维层由聚丙烯纤维经纺丝后热轧加固而成；所述吸水纤维网由竹浆纤维梳理成网；该功能湿巾的制备方法包括如下步骤：
（一）制备梳理纤维网
将壳聚糖纤维采用盖板式梳理机进行，并交叉铺叠形成梳理纤维网，纤维网的克重控制为15克～20克/m2；
（二）制备改性热熔纤维网
（1）称取一定重量比例的聚丙烯和聚酰胺66切片作为原料；
（2）在步骤（1）中聚丙烯和聚酰胺66切片中分别加入占其总重量0.3%-0.5%的抑菌剂和亲水剂，分别经过混合熔融、挤出、造粒后制成改性聚丙烯颗粒和改性聚酰胺66颗粒；
（3）将步骤（2）中制得的改性聚丙烯颗粒和改性聚酰胺66颗粒分别经过干燥后，然后分别投入单螺杆挤压机中加热、熔融，过滤后加入皮芯型复合纺丝组件中，从喷丝孔中挤出得到皮芯复合纤维；
（4）将步骤（3）中得到复合纤维送入狭缝式管道进行气流牵伸，并在成网帘上得到复合纤维网，然后经热熔粘合加固形成改性热熔纤维网；
（三）制备热轧纤维网
（1）称取干燥聚丙烯切片60kg；
（2）将步骤（1）中称好的聚丙烯切片经螺杆纺丝机加热、混合、计量、纺丝得到聚丙烯纤维，然后将纤维经过一对热辊进行牵伸、分丝后经气流铺网形成聚丙烯纤维网，克重控制为6克～12克/m2；
（3）对步骤（2）中形成的纺丝纤维网采用热轧机进行低温热轧加固，热轧温度100℃～120℃，热轧压力1.2Mpa～1.5Mpa，制得热轧纤维网；
（四）制备吸水纤网层
（1）采用天然常青竹为纤维作为纤维浆粕原料，通过湿法纺丝得到竹浆纤维；
（2）将步骤（1）中得到的竹浆纤维采用开松机进行开松后，送入梳理机梳理后平行铺网形成吸水纤维网；
（五）水刺加固
（1）预湿步骤：将步骤（一）至（四）形成的纤维网叠合在一起，通过离线复合后经预湿装置预湿、压实；
（2）将步骤（1）中预湿完成后的纤维网送入水刺设备，通过输送网帘送入水刺机中经过四道正反面水刺加固，水刺压力分别为60～80bar、80-120bar、100-140bar，80-120bar，使得各层纤维网之间相互缠结并复合成一体，形成水刺非织造布；
（六）功能整理
将步骤（五）得到的水刺非织造布送入温度为100-120℃的真空干燥箱中烘燥，得到脱水非织造布，然后将上述脱水非织造布进行紫外线照射，得到抑菌吸水的功能湿巾。
Claims (4)
1.一种抑菌吸水的功能湿巾，其特征在于，由梳理纤维层、改性热熔纤维网、热轧纤网层、吸水纤网层进行水刺加固而成，所述梳理纤维网由具有壳聚糖纤维梳理成网，所述改性热熔纤维网由经抑菌处理及亲水处理后的皮芯复合纤维经热熔粘合加固而成，所述热轧纤维层由聚丙烯纤维经纺丝后热轧加固而成；所述吸水纤维网由竹浆纤维梳理成网；该功能湿巾的制备方法包括如下步骤：
（一）制备梳理纤维网
将壳聚糖纤维采用盖板式梳理机进行，并交叉铺叠形成梳理纤维网，纤维网的克重控制为15克～20克/m2；
（二）制备改性热熔纤维网
（1）称取一定重量比例的聚丙烯和聚酰胺66切片作为原料；
（2）在步骤（1）中聚丙烯和聚酰胺66切片中分别加入占其总重量0.3%-0.5%的抑菌剂和亲水剂，分别经过混合熔融、挤出、造粒后制成改性聚丙烯颗粒和改性聚酰胺66颗粒；
（3）将步骤（2）中制得的改性聚丙烯颗粒和改性聚酰胺66颗粒分别经过干燥后，然后分别投入单螺杆挤压机中加热、熔融，过滤后加入皮芯型复合纺丝组件中，从喷丝孔中挤出得到皮芯复合纤维；
（4）将步骤（3）中得到复合纤维送入狭缝式管道进行气流牵伸，并在成网帘上得到复合纤维网，然后经热熔粘合加固形成改性热熔纤维网；
（三）制备热轧纤维网
（1）称取干燥聚丙烯切片60kg；
（2）将步骤（1）中称好的聚丙烯切片经螺杆纺丝机加热、混合、计量、纺丝得到聚丙烯纤维，然后将纤维经过一对热辊进行牵伸、分丝后经气流铺网形成聚丙烯纤维网，克重控制为6克～12克/m2；
（3）对步骤（2）中形成的纺丝纤维网采用热轧机进行低温热轧加固，热轧温度100℃～120℃，热轧压力1.2Mpa～1.5Mpa，制得热轧纤维网；
（四）制备吸水纤维网
（1）采用天然常青竹为纤维作为纤维浆粕原料，通过湿法纺丝得到竹浆纤维；
（2）将步骤（1）中得到的竹浆纤维采用开松机进行开松后，送入梳理机梳理后平行铺网形成吸水纤维网；
（五）水刺加固
（1）预湿步骤：将步骤（一）至（四）形成的纤维网叠合在一起，经离线复合后经预湿装置预湿、压实；
（2）将步骤（1）中预湿完成后的纤维网送入水刺设备，通过输送网帘送入水刺机中经过四道正反面水刺加固，水刺压力分别为60～80bar、80-120bar、100-140bar，80-120bar，使得各层纤维网之间相互缠结并复合成一体，形成水刺非织造布；
（六）功能整理
将步骤（五）得到的水刺非织造布送入温度为100-120℃的真空干燥箱中烘燥，得到脱水非织造布，然后将上述脱水非织造布进行紫外线照射，得到抑菌吸水的功能湿巾。
2.根据权利要求1所述的一种抑菌吸水的功能湿巾，其特征是：所述抑菌剂是含有功能基团的聚丙烯或聚酰胺及其衍生物，或聚丙烯酸酯类或聚乙烯醇类的衍生物。
3.根据权利要求1所述的一种抑菌吸水的功能湿巾，其特征是：所述亲水剂是含有亲水基团的聚丙烯或聚酰胺及其衍生物，或聚丙烯酸酯类或聚乙烯醇类的衍生物。
4.根据权利要求1-3所述的一种抑菌吸水的功能湿巾，其特征是：所述水刺设备的水刺喷头呈滚筒式圆周排列，所述水刺加固各步骤中水刺喷头的个数为2～4只。
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