CN115387003A - 一种纳米抑菌纺织面料及其制备方法 - Google Patents
一种纳米抑菌纺织面料及其制备方法 Download PDFInfo
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- D03D15/217—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based natural from plants, e.g. cotton
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- D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
- D03D15/225—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based artificial, e.g. viscose
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/30—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with oxides of halogens, oxyacids of halogens or their salts, e.g. with perchlorates
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- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
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- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
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Abstract
本发明公开了一种纳米抑菌纺织面料,属于纺织面料技术领域,通过抑菌混纺纱织造而成,抑菌混纺纱为莫代尔纤维、天茶纤维和抑菌竹纤维混纺而成,且三者混纺比为莫代尔/天茶/抑菌竹纤维:60/20/20。
Description
技术领域
本发明属于纺织面料技术领域,具体地,涉及一种纳米抑菌纺织面料及其制备方法。
背景技术
随着人们生活水平的提高,纺织面料在一定程度上需要防污抗菌功能。目前抗菌面料主要采用两种方式,一种是利用天然纤维自身具有的抗菌、吸湿、保健功能,另一种是采用处理技术,将具有抗菌功能的微粒或离子添加或浸渍到面料中。第一种方法虽然具有更高的环保健康性,但其往往抗菌性能不够,满足不了抗抗菌要求的面料,而第二种方法在进行防污和抗菌处理时,由于外界引入的方法不同,其抗菌效果不佳,并且稳定性较差,经多次水洗后会出现抗菌效果大大减弱的现象。
中国专利CN106003899A公开了一种抑菌防紫外线面料,包括表层、防晒层、抑菌层以及内层,所述表层由棉纤维构成;所述防晒层由涤纶纤维、尼龙纤维以及牛津纤维构成,其中涤纶纤维所占的质量比为25-30%,尼龙纤维所占的质量比为25-30%,牛津纤维所占的质量比为40-50%;所述抑菌层由银离子、玻璃纤维以及涤纶纤维构成,其中银离子所占的质量比为5-10%;所述内层由棉纤维构成。由于银离子与涤纶纤维之间依附于物理吸附作用,在面料经过水洗后、易于脱落,因此该专利制备的抗菌防紫外线面料的抗菌效果不持久,不耐水洗。
发明内容
本发明的目的在于克服现有技术的缺陷,提供了一种纳米抑菌纺织面料及其制备方法。
本发明的目的可以通过以下技术方案实现:
一种纳米抑菌纺织面料,通过抑菌混纺纱织造而成;
抑菌混纺纱为莫代尔纤维、天茶纤维和抑菌竹纤维混纺而成,且三者混纺比为莫代尔/天茶/抑菌竹纤维:60/20/20,线密度为11.8tex;
该纺织面料的制备方法为:将抑菌混纺纱作为经线和纬线通过编织机纺织成面料。
天茶纤维是一种再生纤维素纤维,具有抗菌和亲肤柔软的特点;莫代尔纤维也是再生纤维素纤维,可自然降解,对环境友好,莫代尔纤维具有良好的舒适亲肤性,透气吸湿性优于棉纤维;将二者与抑菌竹纤维进行混纺,获得兼具亲肤透气、吸湿排汗的舒适型面料,且该面料还具备优良的抑菌特性。
进一步地,抑菌竹纤维的制备方法如下:
S1、将竹纤维与乙酸乙酯混合并置于冰水浴中,超声10min,用恒压漏斗缓慢滴加丙二酰氯的乙酸乙酯溶解液,滴加完成后转移至室温下搅拌反应12h,过滤,取出竹纤维,并用丙酮和纯水依次洗涤3-4次,真空烘箱干燥,得到预处理纤维;竹纤维、乙酸乙酯、丙二酰氯的乙酸乙酯溶解液的用量之比为10g:150mL:35-40mL;丙二酰氯的乙酸乙酯溶解液的浓度为0.09g/mL;
竹纤维表面含有大量-OH,将其通过丙二酰氯处理,在其表面接枝上丙二酰氯分子,从而引入酰氯基团,反应示意过程如下所示:
S2、将5-甲基乙内酰脲和氢氧化钠混合后,加入无水乙醇,40℃搅拌至固体完全溶解,通过减压蒸馏去除乙醇,在50℃烘箱中干燥24h得到钠盐;之后将2-氯乙胺盐酸盐和Na2CO3加入到盛有乙醇的三口烧瓶中,40℃下搅拌1h,然后加入制备好的钠盐,在65℃下反应16h,过滤(脱去反应形成的盐),然后减压蒸馏(脱去乙醇),最后将产物置于60℃真空干燥箱干燥12h,得到改性剂;钠盐制备过程中5-甲基乙内酰脲、氢氧化钠、无水乙醇的用量之比为0.1mol:0.1mol:100mL;2-氯乙胺盐酸盐、Na2CO3、乙醇、钠盐的用量比为0.1mol:0.1mol:150mL:0.1mol;
5-甲基乙内酰脲在NaOH作用下,形成钠盐,再与2-氯乙胺分子上的-Cl反应,获得改性剂,反应过程如下所示:
S3、将预处理纤维与丙酮混合后,超声10min,转移至冰浴中,加入三乙胺(缚酸剂),采用恒压滴液漏斗缓慢滴加改性剂的丙酮溶解液,加完后,转移至室温下搅拌反应2h,过滤,并用丙酮和纯水依次洗涤3-4次,真空烘箱干燥,获得接枝纤维;预处理纤维、丙酮、三乙胺、改性剂的用量之比为10g:150mL:2.4g:3.9g;
S4、配制质量分数为10%的次氯酸钠溶液,用醋酸调节pH=7,按照浴比1:50将接枝纤维置于此溶液中氯化1h,反应完成后,用自来水水洗,再用去离子水冲洗数次,然后放入45℃烘箱烘1h(除去产物上的自由氯),再于真空干燥箱干燥至恒重,得到抑菌竹纤维;
竹纤维本身具有良好的透气性、瞬间吸水性、较强的耐磨性和良好的染色性等特性,具有天然抗菌、抑菌、除螨、防臭和抗紫外线功能,虽然具备这些优点,但是将其作为原料纺织时,其天然的抗菌特性显得优点弱,难以满足需求;本发明通过一系列化学接枝反应,在竹纤维上化学接枝有机分子链,该分子链上含有卤胺基团,该基团具有抗菌特性,并且接枝的单个有机分子链上含有两个卤胺基团,能够实现高效抗菌效果,此外,由于活性物质是以共价键的形式与竹纤维牢固结合,具有耐水洗、牢度高的特性,因此,赋予面料耐水洗的抑菌功能。
本发明的有益效果:
本发明的纺织面料采用莫代尔纤维、天茶纤维和抑菌竹纤维所得的混纺纱纺织而成,天茶纤维是一种再生纤维素纤维,具有抗菌和亲肤柔软的特点;莫代尔纤维也是再生纤维素纤维,可自然降解,对环境友好,莫代尔纤维具有良好的舒适亲肤性,透气吸湿性优于棉纤维;将二者与抑菌竹纤维进行混纺,获得兼具亲肤透气、吸湿排汗和抑菌特性;
竹纤维本身具有良好的透气性、瞬间吸水性、较强的耐磨性和良好的染色性等特性,具有天然抗菌、抑菌、除螨、防臭和抗紫外线功能,虽然具备这些优点,但是将其作为原料纺织时,其天然的抗菌特性显得优点弱,难以满足需求;本发明通过一系列化学接枝反应,在竹纤维上化学接枝有机分子链,该分子链上含有卤胺基团,该基团具有抗菌特性,并且接枝的单个有机分子链上含有两个卤胺基团,能够实现高效抗菌效果,此外,由于活性物质是以共价键的形式与竹纤维牢固结合,具有耐水洗、牢度高的特性,因此,赋予面料耐水洗的抑菌功能。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,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作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例1
抑菌竹纤维的制备方法如下:
S1、将10g竹纤维与150mL乙酸乙酯混合并置于冰水浴中,超声10min,用恒压漏斗缓慢滴加35mL丙二酰氯的乙酸乙酯溶解液,滴加完成后转移至室温下搅拌反应12h,过滤,取出竹纤维,并用丙酮和纯水依次洗涤3次,真空烘箱干燥,得到预处理纤维;丙二酰氯的乙酸乙酯溶解液的浓度为0.09g/mL;
S2、将0.1mol的5-甲基乙内酰脲和0.1mol氢氧化钠混合后,加入100mL无水乙醇,40℃搅拌至固体完全溶解,通过减压蒸馏去除乙醇,在50℃烘箱中干燥24h得到钠盐;之后将0.1mol的2-氯乙胺盐酸盐和0.1mol的Na2CO3加入到盛有150mL乙醇的三口烧瓶中,40℃下搅拌1h,然后加入制备好的钠盐,在65℃下反应16h,过滤(脱去反应形成的盐),然后减压蒸馏(脱去乙醇),最后将产物置于60℃真空干燥箱干燥12h,得到改性剂;
S3、将10g预处理纤维与150mL丙酮混合后,超声10min,转移至冰浴中,加入2.4g三乙胺(缚酸剂),采用恒压滴液漏斗缓慢滴加20mL含有3.9g改性剂的丙酮溶解液,加完后,转移至室温下搅拌反应2h,过滤,并用丙酮和纯水依次洗涤3次,真空烘箱干燥,获得接枝纤维;
S4、配制质量分数为10%的次氯酸钠溶液,用醋酸调节pH=7,按照浴比1:50将接枝纤维置于此溶液中氯化1h,反应完成后,用自来水水洗,再用去离子水冲洗数次,然后放入45℃烘箱烘1h(除去产物上的自由氯),再于真空干燥箱干燥至恒重,得到抑菌竹纤维。
实施例2
抑菌竹纤维的制备方法如下:
S1、将10g竹纤维与150mL乙酸乙酯混合并置于冰水浴中,超声10min,用恒压漏斗缓慢滴加40mL丙二酰氯的乙酸乙酯溶解液,滴加完成后转移至室温下搅拌反应12h,过滤,取出竹纤维,并用丙酮和纯水依次洗涤3-4次,真空烘箱干燥,得到预处理纤维;丙二酰氯的乙酸乙酯溶解液的浓度为0.09g/mL;
S2、将0.1mol的5-甲基乙内酰脲和0.1mol氢氧化钠混合后,加入100mL无水乙醇,40℃搅拌至固体完全溶解,通过减压蒸馏去除乙醇,在50℃烘箱中干燥24h得到钠盐;之后将0.1mol的2-氯乙胺盐酸盐和0.1mol的Na2CO3加入到盛有150mL乙醇的三口烧瓶中,40℃下搅拌1h,然后加入制备好的钠盐,在65℃下反应16h,过滤(脱去反应形成的盐),然后减压蒸馏(脱去乙醇),最后将产物置于60℃真空干燥箱干燥12h,得到改性剂;
S3、将10g预处理纤维与150mL丙酮混合后,超声10min,转移至冰浴中,加入2.4g三乙胺(缚酸剂),采用恒压滴液漏斗缓慢滴加20mL含有3.9g改性剂的丙酮溶解液,加完后,转移至室温下搅拌反应2h,过滤,并用丙酮和纯水依次洗涤4次,真空烘箱干燥,获得接枝纤维;
S4、配制质量分数为10%的次氯酸钠溶液,用醋酸调节pH=7,按照浴比1:50将接枝纤维置于此溶液中氯化1h,反应完成后,用自来水水洗,再用去离子水冲洗数次,然后放入45℃烘箱烘1h(除去产物上的自由氯),再于真空干燥箱干燥至恒重,得到抑菌竹纤维。
实施例3
一种纳米抑菌纺织面料,通过抑菌混纺纱织造而成;
抑菌混纺纱为莫代尔纤维、天茶纤维和实施例1制得的抑菌竹纤维混纺而成,且三者混纺比为莫代尔/天茶/抑菌竹纤维:60/20/20,线密度为11.8tex;
该纺织面料的制备方法为:将抑菌混纺纱作为经线和纬线通过编织机纺织成面料。
实施例4
一种纳米抑菌纺织面料,通过抑菌混纺纱织造而成;
抑菌混纺纱为莫代尔纤维、天茶纤维和实施例2制得的抑菌竹纤维混纺而成,且三者混纺比为莫代尔/天茶/抑菌竹纤维:60/20/20,线密度为11.8tex;
该纺织面料的制备方法为:将抑菌混纺纱作为经线和纬线通过编织机纺织成面料。
对实施例3-4获得的面料,裁减成测试样品,进行如下性能测试:
按照GB/T 5453-1997《织物透气性的测定》测试透气性;
按照GB/T 12704.1-2009《纺织品织物透湿性试验方法第2部分:蒸发法》测得试样的平均透湿量;
按照FZ/T 73023-2006《抗菌针织品》测试水洗前以及水洗40次后样品对大肠杆菌以及金黄色葡萄球菌的抑菌率;
测得的结果如下表所示:
由上表数据可知,本发明获得的面料具备良好的透气透湿性,具有良好的抑菌性能,且该抑菌性能耐水洗、持久;使获得的面料具有广泛的应用空间。
在说明书的描述中,参考术语“一个实施例”、“示例”、“具体示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上内容仅仅是对本发明所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离发明或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。
Claims (7)
1.一种纳米抑菌纺织面料,通过抑菌混纺纱织造而成,其特征在于,抑菌混纺纱为莫代尔纤维、天茶纤维和抑菌竹纤维混纺而成,且三者混纺比为莫代尔/天茶/抑菌竹纤维:60/20/20。
2.根据权利要求1所述的一种纳米抑菌纺织面料,其特征在于,抑菌混纺纱混纺时的线密度为11.8tex。
3.根据权利要求1所述的一种纳米抑菌纺织面料,其特征在于,所述抑菌竹纤维的制备方法如下:
S1、将竹纤维与乙酸乙酯混合并置于冰水浴中,超声10min,用恒压漏斗缓慢滴加丙二酰氯的乙酸乙酯溶解液,滴加完成后转移至室温下搅拌反应12h,过滤,取出竹纤维,并用丙酮和纯水依次洗涤3-4次,真空烘箱干燥,得到预处理纤维;
S2、将5-甲基乙内酰脲和氢氧化钠混合后,加入无水乙醇,40℃搅拌至固体完全溶解,通过减压蒸馏去除乙醇,在50℃烘箱中干燥24h得到钠盐;之后将2-氯乙胺盐酸盐和Na2CO3加入到盛有乙醇的三口烧瓶中,40℃下搅拌1h,然后加入制备好的钠盐,在65℃下反应16h,过滤,然后减压蒸馏,最后将产物置于60℃真空干燥箱干燥12h,得到改性剂;
S3、将预处理纤维与丙酮混合后,超声10min,转移至冰浴中,加入三乙胺,采用恒压滴液漏斗缓慢滴加改性剂的丙酮溶解液,加完后,转移至室温下搅拌反应2h,过滤,并用丙酮和纯水依次洗涤3-4次,真空烘箱干燥,获得接枝纤维;
S4、配制质量分数为10%的次氯酸钠溶液,用醋酸调节pH=7,按照浴比1:50将接枝纤维置于此溶液中氯化1h,反应完成后,用自来水水洗,再用去离子水冲洗数次,然后放入45℃烘箱烘1h,再于真空干燥箱干燥至恒重,得到抑菌竹纤维。
4.根据权利要求3所述的一种纳米抑菌纺织面料,其特征在于,步骤S1中竹纤维、乙酸乙酯、丙二酰氯的乙酸乙酯溶解液的用量之比为10g:150mL:35-40mL;丙二酰氯的乙酸乙酯溶解液的浓度为0.09g/mL。
5.根据权利要求3所述的一种纳米抑菌纺织面料,其特征在于,步骤S2中钠盐制备过程中5-甲基乙内酰脲、氢氧化钠、无水乙醇的用量之比为0.1mol:0.1mol:100mL;2-氯乙胺盐酸盐、Na2CO3、乙醇、钠盐的用量比为0.1mol:0.1mol:150mL:0.1mol。
6.根据权利要求3所述的一种纳米抑菌纺织面料,其特征在于,步骤S3中预处理纤维、丙酮、三乙胺、改性剂的用量之比为10g:150mL:2.4g:3.9g。
7.根据权利要求1所述的一种纳米抑菌纺织面料的制备方法,其特征在于,将抑菌混纺纱作为经线和纬线通过编织机纺织成面料。
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