CN110106694A - 一种抗菌涤纶织物的制备方法 - Google Patents

一种抗菌涤纶织物的制备方法 Download PDF

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CN110106694A
CN110106694A CN201910430053.XA CN201910430053A CN110106694A CN 110106694 A CN110106694 A CN 110106694A CN 201910430053 A CN201910430053 A CN 201910430053A CN 110106694 A CN110106694 A CN 110106694A
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俞葵
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Abstract

本发明公开了一种抗菌涤纶织物的制备方法,包括以下步骤:将涤纶织物在含有碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的混合水溶液中浸泡,然后以去离子水洗涤并干燥;将干燥后的涤纶织物浸渍于三羟甲基氨基甲烷的缓冲溶液中,加入盐酸多巴胺、高氯酸钠震荡反应,然后以去离子水洗涤并干燥;将纳米银粉与十二烷基苯磺酸钠超声分散在去离子水中得到含有纳米银的混合溶液;将涤纶织物浸泡在含有纳米银的混合溶液中震荡反应;然后以去离子水反复洗涤三次,干燥。本发明得到的抗菌涤纶织物具有广谱抗菌性,对金黄色葡萄糖球菌、枯草杆菌、大肠杆菌等的抗菌效果良好,且持久性强,反复洗涤30次后,单菌种抑菌率仍可达到99%以上。

Description

一种抗菌涤纶织物的制备方法
技术领域
本发明属于织物改性技术领域,具体涉及一种抗菌涤纶织物的制备方法。
背景技术
纺织品表面结构疏松多孔,容易沾染人体新陈代谢分泌的汗液和油脂,形成适合微生物生长的环境;微生物繁殖能力强,不仅释放具有刺激性气味的代谢物,还可能感染皮肤,引起疾病,危害人体健康。此外,大量的微生物滋生还会导致纺织品发黄或强度下降。为了保护纺织品不被微生物污染,防止产生刺激性气味,保护人体健康,赋予纺织品抗菌性能显得尤为重要。
涤纶纤维大分子由于其结构对称且排列紧密有序,因此涤纶纤维具有良好的机械性能及化学性能。但由于其大分子缺少亲水性极性基团,导致涤纶纤维吸湿性、染色性能较差,限制了其应用范围。目前对抗菌纺织品的研究主要为对棉织物进行抗菌改性,因此制备抗菌涤纶纤维织物不仅可提高涤纶织物的应用范围,并且具有重要的理论意义和市场前景。
发明内容
本发明的目的在于提供一种抗菌涤纶织物的制备方法,通过在涤纶织物的表面原位反应形成聚多巴胺膜,并以其稳定纳米银,得到具有抗菌功能的涤纶织物。
本发明采取的技术方案为:
一种抗菌涤纶织物的制备方法,所述制备方法包括以下步骤:
(1)将涤纶织物在含有碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的混合水溶液中浸泡15~25min,然后以去离子水洗涤并干燥;
(2)将干燥后的涤纶织物浸渍于三羟甲基氨基甲烷的缓冲溶液中,加入盐酸多巴胺、高氯酸钠,于45~55℃震荡反应12~16h,然后以去离子水洗涤并干燥;
(3)将纳米银粉与十二烷基苯磺酸钠超声分散在去离子水中得到含有纳米银的混合溶液;
(4)将步骤(2)得到的涤纶织物浸泡在步骤(3)得到的含有纳米银的混合溶液中,45~55℃震荡反应12~24h;然后以去离子水反复洗涤三次,干燥,即可得到所述抗菌涤纶织物。
步骤(1)中,所述碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的重量之比为1:0.1~0.5:0.05~0.15。
步骤(1)中,所述碳酸氢钠在水溶液中的质量分数为0.5~1.0%。
步骤(2)中,所述涤纶织物与三羟甲基氨基甲烷的重量之比为1:30~60;所述三羟甲基氨基甲烷的pH为8.0~8.5。
所述盐酸多巴胺与高氯酸钠的物质的量之比为1:1.5~2.0;所述盐酸多巴胺在三羟甲基氨基甲烷的缓冲溶液中的浓度为2.4~3.2mg/mL。
步骤(3)中,所述纳米银粉、十二烷基苯磺酸钠在去离子水中的质量分数分别为0.03~0.05%、1.5~5.0%;所述超声的时间为30~45min,所述超声的功率为800~1000W。
步骤(4)中,所述涤纶织物与含有纳米银的混合溶液的重量之比为1:30~100。
所述涤纶织物为涤纶纤维与竹纤维混纺得到,所述竹纤维的用量为涤纶纤维用量的3~6%。竹纤维为天然的抗菌纤维,在涤纶纤维中掺杂少量的竹纤维进行混纺,在不改变涤纶织物性能的情况下,可提升织物本身的抗菌性能。
本发明提供的抗菌涤纶织物的制备方法中,首先通过碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚三者的混合使用浸泡涤纶织物,可提升涤纶织物的清洁效力,并可软化涤纶的组织结构,提升后续步骤中聚多巴胺在涤纶织物表面的结合力。然后将涤纶织物置于碱性缓冲溶液中,在高氯酸钠的氧化作下,盐酸多巴胺在织物的表面发生聚合反应形成聚多巴胺膜,聚多巴胺通过其分子中的邻苯二酚基团的原位还原作用以及配位和螯合作用,可以将纳米银牢牢固定在涤纶织物的表面。并且本发明中为了提高纳米银在织物表面的分散均匀性,在涤纶织物最后的浸渍步骤中,向纳米银溶液体系中加入了十二烷基苯磺酸钠并采用超声的方式进行分散。
与现有技术相比,本发明公开的抗菌涤纶织物的制备步骤简单,条件温和,得到的抗菌涤纶织物具有广谱抗菌性,对金黄色葡萄糖球菌、枯草杆菌、大肠杆菌等的抗菌效果良好,且持久性强,反复洗涤30次后,单菌种抑菌率仍可达到99%以上。
具体实施方式
下面结合实施例对本发明进行详细说明。
实施例1
一种抗菌涤纶织物的制备方法,包括以下步骤:
(1)将涤纶织物在含有碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的混合水溶液中浸泡15min,然后以去离子水洗涤并干燥;所述碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的重量之比为1:0.2:0.13;所述碳酸氢钠在水溶液中的质量分数为0.8%;
(2)将干燥后的涤纶织物浸渍于pH为8.0的三羟甲基氨基甲烷的缓冲溶液中,加入盐酸多巴胺、高氯酸钠,于45℃震荡反应12h,然后以去离子水洗涤并干燥;所述涤纶织物与三羟甲基氨基甲烷的重量之比为1:30;所述盐酸多巴胺与高氯酸钠的物质的量之比为1:1.5;所述盐酸多巴胺在三羟甲基氨基甲烷的缓冲溶液中的浓度为2.4mg/mL;
(3)将纳米银粉与十二烷基苯磺酸钠超声分散在去离子水中得到含有纳米银的混合溶液;所述纳米银粉、十二烷基苯磺酸钠在去离子水中的质量分数分别为0.03%、1.5%,所述超声的功率和时间分别为800W、45min;
(4)将步骤(2)得到的涤纶织物浸泡在步骤(3)得到的含有纳米银的混合溶液中,45℃震荡反应15h;所述涤纶织物与含有纳米银的混合溶液的重量之比为1:50;然后以去离子水反复洗涤三次,干燥,即可得到所述抗菌涤纶织物,并按照FZ-T 01021-1992《织物抗菌性能试验方法》中的方法测试本实施例得到的抗菌涤纶织物对金黄色葡萄糖球菌、枯草杆菌、大肠杆菌的抑菌效果,在洗涤30次之后,上述各菌种的抑菌率仍可保持在99%以上。
实施例2
一种抗菌涤纶织物的制备方法,包括以下步骤:
(1)将涤纶织物在含有碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的混合水溶液中浸泡20min,然后以去离子水洗涤并干燥;所述碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的重量之比为1:0.3:0.05;所述碳酸氢钠在水溶液中的质量分数为0.8%;
(2)将干燥后的涤纶织物浸渍于pH为8.5的三羟甲基氨基甲烷的缓冲溶液中,加入盐酸多巴胺、高氯酸钠,于50℃震荡反应14h,然后以去离子水洗涤并干燥;所述涤纶织物与三羟甲基氨基甲烷的重量之比为1:45;所述盐酸多巴胺与高氯酸钠的物质的量之比为1:1.8;所述盐酸多巴胺在三羟甲基氨基甲烷的缓冲溶液中的浓度为2.8mg/mL;
(3)将纳米银粉与十二烷基苯磺酸钠超声分散在去离子水中得到含有纳米银的混合溶液;所述纳米银粉、十二烷基苯磺酸钠在去离子水中的质量分数分别为0.04%、3.2%,所述超声的功率和时间分别为900W、40min;
(4)将步骤(2)得到的涤纶织物浸泡在步骤(3)得到的含有纳米银的混合溶液中,55℃震荡反应18h;所述涤纶织物与含有纳米银的混合溶液的重量之比为1:30;然后以去离子水反复洗涤三次,干燥,即可得到所述抗菌涤纶织物,并按照FZ-T 01021-1992《织物抗菌性能试验方法》中的方法测试本实施例得到的抗菌涤纶织物对金黄色葡萄糖球菌、枯草杆菌、大肠杆菌的抑菌效果,在洗涤30次之后,上述各菌种的抑菌率仍可保持在99%以上。
实施例3
一种抗菌涤纶织物的制备方法,包括以下步骤:
(1)将涤纶织物在含有碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的混合水溶液中浸泡25min,然后以去离子水洗涤并干燥;所述碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的重量之比为1:0.5:0.05;所述碳酸氢钠在水溶液中的质量分数为1.0%;
(2)将干燥后的涤纶织物浸渍于pH为8.5的三羟甲基氨基甲烷的缓冲溶液中,加入盐酸多巴胺、高氯酸钠,于55℃震荡反应12h,然后以去离子水洗涤并干燥;所述涤纶织物与三羟甲基氨基甲烷的重量之比为1:60;所述盐酸多巴胺与高氯酸钠的物质的量之比为1:2.0;所述盐酸多巴胺在三羟甲基氨基甲烷的缓冲溶液中的浓度为3.2mg/mL;
(3)将纳米银粉与十二烷基苯磺酸钠超声分散在去离子水中得到含有纳米银的混合溶液;所述纳米银粉、十二烷基苯磺酸钠在去离子水中的质量分数分别为0.05%、1.5%,所述超声的功率和时间分别为1000W、30min;
(4)将步骤(2)得到的涤纶织物浸泡在步骤(3)得到的含有纳米银的混合溶液中,55℃震荡反应12h;所述涤纶织物与含有纳米银的混合溶液的重量之比为1:100;然后以去离子水反复洗涤三次,干燥,即可得到所述抗菌涤纶织物,并按照FZ-T 01021-1992《织物抗菌性能试验方法》中的方法测试本实施例得到的抗菌涤纶织物对金黄色葡萄糖球菌、枯草杆菌、大肠杆菌的抑菌效果,在洗涤30次之后,上述各菌种的抑菌率均在99%以上。
比较例1
其他同实施例1,只是省去了步骤(1)中的操作步骤,并将得到的抗菌涤纶织物,按照FZ-T 01021-1992《织物抗菌性能试验方法》中的方法测试其对金黄色葡萄糖球菌、枯草杆菌、大肠杆菌的抑菌效果,在洗涤30次之后,上述各菌种的抑菌率分别为95.3%、96.7%、95.8%。
比较例2
其他同实施例1,只是省去了步骤(3)中的十二烷基苯磺酸钠,并将得到的抗菌涤纶织物,按照FZ-T 01021-1992《织物抗菌性能试验方法》中的方法测试其对金黄色葡萄糖球菌、枯草杆菌、大肠杆菌的抑菌效果,在洗涤30次之后,上述各菌种的抑菌率分别为97.4%、96.9%、98.2%。
比较例3
其他同实施例1,只是省去了步骤(2),并将得到的抗菌涤纶织物,按照FZ-T01021-1992《织物抗菌性能试验方法》中的方法测试其对金黄色葡萄糖球菌、枯草杆菌、大肠杆菌的抑菌效果,在洗涤30次之后,上述各菌种的抑菌率均在10%以下。
上述参照实施例对一种抗菌涤纶织物的制备方法进行的详细描述,是说明性的而不是限定性的,可按照所限定范围列举出若干个实施例,因此在不脱离本发明总体构思下的变化和修改,应属本发明的保护范围之内。

Claims (8)

1.一种抗菌涤纶织物的制备方法,其特征在于,所述制备方法包括以下步骤:
(1)将涤纶织物在含有碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的混合水溶液中浸泡15~25min,然后以去离子水洗涤并干燥;
(2)将干燥后的涤纶织物浸渍于三羟甲基氨基甲烷的缓冲溶液中,加入盐酸多巴胺、高氯酸钠,于45~55℃震荡反应12~16h,然后以去离子水洗涤并干燥;
(3)将纳米银粉与十二烷基苯磺酸钠超声分散在去离子水中得到含有纳米银的混合溶液;
(4)将步骤(2)得到的涤纶织物浸泡在步骤(3)得到的含有纳米银的混合溶液中,45~55℃震荡反应12~24h;然后以去离子水反复洗涤三次,干燥,即可得到所述抗菌涤纶织物。
2.根据权利要求1所述的抗菌涤纶织物的制备方法,其特征在于,步骤(1)中,所述碳酸氢钠、十二烷基苯磺酸钠、任基酚聚氧乙烯氧醚的重量之比为1:0.1~0.5:0.05~0.15。
3.根据权利要求1所述的抗菌涤纶织物的制备方法,其特征在于,步骤(1)中,所述碳酸氢钠在水溶液中的质量分数为0.5~1.0%。
4.根据权利要求1所述的抗菌涤纶织物的制备方法,其特征在于,步骤(2)中,所述涤纶织物与三羟甲基氨基甲烷的重量之比为1:30~60;所述三羟甲基氨基甲烷的pH为8.0~8.5。
5.根据权利要求1或4所述的抗菌涤纶织物的制备方法,其特征在于,所述盐酸多巴胺与高氯酸钠的物质的量之比为1:1.5~2.0;所述盐酸多巴胺在三羟甲基氨基甲烷的缓冲溶液中的浓度为2.4~3.2mg/mL。
6.根据权利要求1所述的抗菌涤纶织物的制备方法,其特征在于,步骤(3)中,所述纳米银粉、十二烷基苯磺酸钠在去离子水中的质量分数分别为0.03~0.05%、1.5~5.0%;所述超声的时间为30~45min。
7.根据权利要求1所述的抗菌涤纶织物的制备方法,其特征在于,步骤(4)中,所述涤纶织物与含有纳米银的混合溶液的重量之比为1:30~100。
8.根据权利要求1所述的抗菌涤纶织物的制备方法,其特征在于,所述涤纶织物为涤纶纤维与竹纤维混纺得到,所述竹纤维的用量为涤纶纤维用量的3~6%。
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