CN115233445A - 一种可见光催化真丝抗菌耐久整理的方法 - Google Patents
一种可见光催化真丝抗菌耐久整理的方法 Download PDFInfo
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Abstract
本发明公开了一种可见光催化真丝抗菌耐久整理的方法,选用具有酚类结构的抗菌整理剂、光接枝催化剂,在可见光辐照下,光接枝催化剂被激发活化,并与真丝纤维大分子链结构上的氨基酸侧基发生光化学反应形成活性接枝位点。随后酚类结构抗菌整理剂经扩散、吸附与真丝纤维结合,并与真丝活性接枝位点发生共价反应,完成酚类结构抗菌整理剂与真丝的共价接枝整理。本发明提供的可见光催化真丝抗菌耐久整理的方法,无需高温条件,通过节能、安全的可见光辐照实现可控接枝整理,低碳环保;无需使用粘合剂、交联剂即可实现酚类抗菌整理剂与真丝的共价结合,耐久性好;同时该技术具有短流程、低排放等优势。
Description
技术领域
本发明属于纺织品染整加工领域,具体涉及一种基于可见光催化真丝抗菌耐久整理的方法。
背景技术
天然真丝织物柔软、舒适、亮丽并具有良好的吸湿透气性,更具有护肤、保健等内在品质,深受消费者喜爱。近年来随着人们对抗菌功能纺织品需求的不断增加,开发具有良好抗菌功能且兼具耐久性的真丝面料抗菌整理技术具有广阔的市场前景。当前,真丝的抗菌整理主要通过浸轧焙烘工艺,将真丝面料与抗菌功能整理剂及相关助剂以物理或者化学方式结合而赋予其抗菌功能。
CN112647282A公开了一种蚕丝织物的抗菌整理方法,其特点在于选用多种天然抗菌原料作为蚕丝抗菌整理剂,且整理后的抑菌率达90%,但该方法整理剂与蚕丝的结合仅靠整理剂分子上基团与蚕丝表面的氨基酸电荷吸附,抗菌持久性较差。
CN107287905A公开了一种蚕丝织物抗皱抗菌整理方法,该方法使用的整理剂为改性聚硅氧烷、壳聚糖及聚乙二醇-6相混合反应制得,将蚕丝织物在整理剂中二渍二轧后用红外线灯光照后得到抗皱抗菌的蚕丝织物。但该方法整理剂的制备较为复杂,且所用的整理剂会使蚕丝光泽变暗,手感变差。
CN107377005A公开了一种可见光复合光催化剂的制备方法及其对织物整理方法,该方法通过制备二氧化钛纳米带和二氧化锡前驱液,将其混合后制成阴离子改性的可见光复合催化剂,再通过真空等离子体处理仪对织物进行改性,整理后的织物具有高效持久的抗菌性能以及自清洁性能、防紫外性能、抗静电性能和吸湿性能。但该方法的制备过程冗长,操作复杂,不易产业化生产。
因此,开发一种兼具良好抗菌效果和耐久性,且不影响真丝手感的抗菌整理方法具有良好的发展前景。
发明内容
本发明的目的在于提出一种可见光催化真丝抗菌耐久整理的方法,克服现有真丝抗菌整理技术普遍存在的抗菌耐久性不佳、手感变差等问题。
为了解决上述技术问题,采用如下技术方案:
一种可见光催化真丝抗菌耐久整理的方法,其特征在于包括如下步骤:
(1)配制酚类抗菌整理剂;
(2)配制光接枝催化剂,避光保存;
(3)采用喷雾法将步骤(2)配制的光接枝催化剂均匀喷至真丝面料表面,并经红外干燥箱预烘;
(4)将步骤(1)配制的酚类抗菌整理剂均匀喷至带有光接枝催化剂的真丝面料;
(5)将步骤(4)处理后的真丝面料用可见光辐照,进行酚类抗菌整理剂在真丝表面的共价接枝反应,后经水洗烘干即可完成可见光催化真丝抗菌耐久整理加工。
优选后,所述酚类抗菌整理剂中含有以下结构中的一种或多种:
优选后,所述酚类抗菌整理剂结构中R1为以下结构中的一种:
所述酚类抗菌整理剂结构中R2为以下结构中的一种:
所述酚类抗菌整理剂结构中R3为以下结构:
所述酚类抗菌整理剂结构中R4为以下结构中的一种:
所述酚类抗菌整理剂结构中R5为以下结构中的一种:
所述酚类抗菌整理剂结构中R6为以下结构中的一种:
所述酚类抗菌整理剂结构中R7为以下结构中的一种:
优选后,所述步骤(1),抗菌整理剂与水的质量比为10-1:1~10-3:1。
优选后,所述步骤(2),光接枝催化剂浓度为10-3~10-6mol/L。
优选后,所述步骤(2),光接枝催化剂选用过渡金属配合物/过硫酸盐、磷酸锂盐或共轭染料中的一种或多种。
优选后,所述过渡金属配合物选用三(4,4-二羧基联吡啶)氯化钌、(4,4-二羧基联吡啶)氯化钌、(2,2’-联吡啶)双[2-(2,4-二氟苯基)吡啶]、氯化三(2,2’-联吡啶)钌(Ⅱ)、三(2,2’-联吡啶)二氯化钌中的一种。
优选后,所述过硫酸盐选用过硫酸铵、过硫酸钾、过硫酸钠、过硫酸氢钾中的一种。
优选后,所述磷酸锂盐选用二羟基丙酮磷酸酯二锂盐、苯基(2,4,6-三甲基苯甲酰基)磷酸锂盐、5-(-硫代)三磷酸腺苷四锂盐的一种。
优选后,所述共轭染料选用核黄素、曙红Y、姜黄素、罗丹明B、吖啶橙的一种。
优选后,所述步骤(3),光接枝催化剂按照带液率20%~50%,均匀喷至真丝面料表面,再通过60℃红外预烘1min。
优选后,所述步骤(4),酚类抗菌整理剂按照带液率80%~120%,均匀喷至带有光接枝催化剂的真丝面料。
优选后,所述步骤(5),辐照灯波长为光接枝催化剂所对应的400~480nm的蓝光灯或350~800nm带滤光片氙灯,辐照时间5~10min。
由于采用上述技术方案,具有以下有益效果:
1、本发明提供了一种光催化真丝抗菌耐久整理的方法,是光化学理论与传统功能整理相结合的实践创新,通过可见光催化技术,实现酚类结构抗菌整理剂与真丝纤维表面的共价接枝,完成真丝的抗菌耐久功能整理。
2、本发明所述的可见光催化真丝抗菌耐久整理的方法,具有条件温和、抗菌耐久性优异、工艺流程短、低碳环保、适用性广等优点。
具体实施方式
下面结合具体实施例对本发明进行进一步描述,但本发明的保护范围并不仅限于此:
实施例1
(1)配制0.05g/L的茶单宁作为抗菌整理剂,待用;
(2)配制0.0005mol/L核黄素作为光接枝催化剂,避光保存待用;
(3)先将光接枝催化剂均匀喷至真丝织物上带液率为50%,再将抗菌整理剂均匀喷到真丝织物上带液率为110%;
(4)将上述处理后的真丝织物放置在360~530nm氙灯下辐照10min,清水洗后得到有抗菌性能的真丝织物。
(5)将上述整理后的真丝织物进行抑菌率检测,对金黄色葡萄球菌的抑菌率可达95%,经皂洗五次后抑菌率仍可达92%。
实施例2
(1)配制0.02g/L的麝香草酚作为抗菌整理剂,装入喷雾瓶中待用;
(2)配制0.0001mol/L三(2,2’-联吡啶)二氯化钌和0.0015mol/L过硫酸钠作为光接枝催化剂,避光保存待用;
(3)先将光接枝催化剂均匀喷至真丝织物上带液率为30%,再将抗菌整理剂均匀喷到真丝织物上带液率为100%;
(4)将上述处理后的真丝织物放置在405nm蓝光灯下辐照10min,得到有抗菌性能的真丝织物。
(5)将上述整理后的真丝织物进行抑菌率检测,对金黄色葡萄球菌的抑菌率为97%,皂洗五次后抑菌率为95%。
实施例3
(1)配制0.03g/L的和厚朴酚作为抗菌整理剂,装入喷雾瓶中待用;
(2)配制0.0001mol/L苯基(2,4,6-三甲基苯甲酰基)磷酸锂盐作为光接枝催化剂,避光保存待用;
(3)先将光接枝催化剂均匀喷至真丝织物上带液率为42%,再将抗菌整理剂均匀喷到真丝织物上带液率为88%;
(4)将上述处理后的真丝织物放置在400~480nm氙灯下辐照10min,得到有抗菌性能的真丝织物。
(5)将上述整理后的真丝织物进行抑菌率检测,对金黄色葡萄球菌的抑菌率为95%,皂洗五次后抑菌率为92%。
实施例4
(1)配制0.05g/L的水杨酸作为抗菌整理剂,装入喷雾瓶中待用;
(2)配制0.0001mol/L氯化三(2,2’-联吡啶)钌(Ⅱ)、0.0015mol/L过硫酸钾和0.0001mol/L曙红Y作为光接枝催化剂,避光保存待用;
(3)先将光接枝催化剂均匀喷至真丝织物上带液率为20%,60℃红外预烘再将抗菌整理剂均匀喷到真丝织物上带液率为110%;
(4)将上述处理后的真丝织物放置在405nm蓝光灯下辐照10min,得到有抗菌性能的真丝织物。
(5)将上述整理后的真丝织物进行抑菌率检测,对金黄色葡萄球菌的抑菌率为98%,皂洗五次后抑菌率为96%。
实施例5
(1)配制0.05g/L的香芹酚作为抗菌整理剂,装入喷雾瓶中待用;
(2)配制0.0001mol/L二羟基丙酮磷酸酯二锂盐和0.0015mol/L姜黄素作为光接枝催化剂,避光保存待用;
(3)先将光接枝催化剂均匀喷至真丝织物上带液率为20%,60℃红外预烘再将抗菌整理剂均匀喷到真丝织物上带液率为100%;
(4)将上述处理后的真丝织物放置在465nm蓝光灯下辐照5min,得到有抗菌性能的真丝织物。
(5)将上述整理后的真丝织物进行抑菌率检测,对金黄色葡萄球菌的抑菌率为93%,皂洗五次后抑菌率为90%。
以上仅为本发明的具体实施例,但本发明的技术特征并不局限于此。任何以本发明为基础,为解决基本相同的技术问题,实现基本相同的技术效果,所作出地简单变化、等同替换或者修饰等,皆涵盖于本发明的保护范围之中。
Claims (10)
1.一种可见光催化真丝抗菌耐久整理的方法,其特征在于包括如下步骤:
(1)配制酚类抗菌整理剂;
(2)配制光接枝催化剂,避光保存;
(3)采用喷雾法将步骤(2)配制的光接枝催化剂均匀喷至真丝面料表面,并经红外干燥箱预烘;
(4)将步骤(1)配制的酚类抗菌整理剂均匀喷至带有光接枝催化剂的真丝面料;
(5)将步骤(4)处理后的真丝面料用可见光辐照,进行酚类抗菌整理剂在真丝表面的共价接枝反应,后经水洗烘干即可完成可见光催化真丝抗菌耐久整理加工。
4.根据权利要求1所述的一种可见光催化真丝抗菌耐久整理的方法,其特征在于:所述步骤(1)中,抗菌整理剂与水的质量比为10-1:1~10-3:1。
5.根据权利要求1所述的一种可见光催化真丝抗菌耐久整理的方法,其特征在于:所述步骤(2),光接枝催化剂浓度为10-3~10-6mol/L。
6.根据权利要求1所述的一种可见光催化真丝抗菌耐久整理的方法,其特征在于:所述步骤(2),光接枝催化剂选用过渡金属配合物/过硫酸盐、磷酸锂盐或共轭染料中的一种或多种。
7.根据权利要求6所述的一种可见光催化真丝抗菌耐久整理的方法,其特征在于:所述过渡金属配合物选用三(4,4-二羧基联吡啶)氯化钌、(4,4-二羧基联吡啶)氯化钌、(2,2’-联吡啶)双[2-(2,4-二氟苯基)吡啶]、氯化三(2,2’-联吡啶)钌(Ⅱ)、三(2,2’-联吡啶)二氯化钌中的一种;所述过硫酸盐选用过硫酸铵、过硫酸钾、过硫酸钠、过硫酸氢钾中的一种;所述磷酸锂盐选用二羟基丙酮磷酸酯二锂盐、苯基(2,4,6-三甲基苯甲酰基)磷酸锂盐、5-(-硫代)三磷酸腺苷四锂盐的一种;所述共轭染料选用核黄素、曙红Y、姜黄素、罗丹明B、吖啶橙的一种。
8.根据权利要求1所述的一种可见光催化真丝抗菌耐久整理的方法,其特征在于:所述步骤(3),光接枝催化剂按照带液率20%~50%,均匀喷至真丝面料表面,再通过60℃红外预烘1min。
9.根据权利要求1所述的一种可见光催化真丝抗菌耐久整理的方法,其特征在于:所述步骤(4),酚类抗菌整理剂按照带液率80%~120%,均匀喷至带有光接枝催化剂的真丝面料。
10.根据权利要求1所述的一种可见光催化真丝抗菌耐久整理的方法,其特征在于:所述步骤(5),辐照灯波长为光接枝催化剂所适配的400~480nm的蓝光灯或350~800nm带滤光片氙灯,辐照时间5~10min。
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