CN115247375A - 一种抗菌疏水纺织面料的生产方法 - Google Patents
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- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
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Abstract
本发明公开的一种抗菌疏水纺织面料的生产方法,包括以下S1:将纺织面料洗涤,随后对纺织面料首次干燥,将首次干燥后的纺织面料浸泡于无水酒精溶液中,将容器口密封,置于超声波清洗器内分散,再取出纺织面料对其用蒸馏水洗涤,洗涤后对纺织面料再次干燥;S2:将再次干燥后的纺织面料浸泡于十二烷酸的无水酒精溶液中,经过10~30h后取出,高温干燥后即得抗紫外线超疏水纺织面料。本发明的一种抗菌疏水纺织面料的生产方法,其制备工艺简单,成本低廉,适合进行工业化生产推广,具有优异的抗紫外线、自清洁、超疏水性能。
Description
技术领域
本发明属于材料制备技术领域,具体涉及一种抗菌疏水纺织面料的生产方法。
背景技术
近年来,棉织品由于其独特的优势,如舒适、柔软、透气等,已被应用于许多领域(医学、军用、服装以及可穿戴电子产品等)。然而,原始的棉纤维面料也存在一些缺点,比如机械强度较低、易皱、易脏、易燃性,以及弱紫外线阻隔能力等,限制其广泛的用途。随着纺织品功能性和多样化的不断提高,一种具有超疏水性能的纺织品材料,因其诱人的前景已引起了国内外研究者的极大关注。如超疏水性、抗污染和自清洁性、紫外线防护、阻燃性、抗菌性能、导电性、抗皱性能、抗静电性能等,可广泛应用于防雪/防雨/防污户外服、潜水衣、室内装饰织物、野营帐篷、军用作战服、工业用防水布、农用纺织品及医药卫生用纺织品等方面。
超疏水表面层的制备主要有两种途径,一是采用共混法、聚合法或混合纺丝技术制备超疏水性纳米纤维,然后再编织成织物,这种方法只适合于合成纤维;另一种是针对天然纤维织物或已经编织好的织物成品进行后整理获得超疏水效果,该方法也是工业上获得柔软、抗紫外、杀菌等多功能型织物的最常用方法。
目前超疏水纺织品多数采用含氟单体、硅氧烷等低表面能物质通过物理涂覆法进行制备,制备成本较高,疏水整理剂与纤维基材的作用力较弱,疏水纺织品在应用时受到机械摩擦或化学腐蚀会逐渐失去超疏水性,从而缩短其使用寿命。因此,如何在不破坏棉纤维原有力学性能基础上,通过简便有效的方法,提高纤维织物表面超疏水层的耐久性、自清洁性、超疏水性、抗紫外线性等性能是当前超疏水织物制备研究中必须要解决的问题。
发明内容
本发明的目的在于提供一种抗菌疏水纺织面料的生产方法,能够使得纺织面料具备抗菌及超疏水性能。
本发明所采用的技术方案是:一种抗菌疏水纺织面料的生产方法,具体操作步骤如下:
S1:将纺织面料洗涤,随后对纺织面料首次干燥,将首次干燥后的纺织面料浸泡于无水酒精溶液中,将容器口密封,置于超声波清洗器内分散,再取出纺织面料对其用蒸馏水洗涤,洗涤后对纺织面料再次干燥;
S2:将再次干燥后的纺织面料浸泡于十二烷酸的无水酒精溶液中,经过10~30h后取出,高温干燥后即得抗紫外线超疏水纺织面料。
S1中对纺织面料首次干燥之前将纺织面料洗涤五次,每次洗涤先用蒸馏水后用无水酒精溶液洗涤。
S1中无水酒精溶液的质量浓度为1~6wt%。
S1中无水酒精溶液中的二氧化钛颗粒粒径为20nm。
S1中分散时温度为20~50℃,分散的时间为25~50min。
S2中十二烷酸的无水酒精溶液的质量浓度为2~6wt%。
在进行S2时,浸泡过程中十二烷酸的无水酒精溶液保持恒温,温度为10~80℃。
S2中高温干燥的温度为70~100℃、高温干燥的时间为1~8h。
本发明的有益效果是:
1)本发明制备的抗紫外线超疏水纺织面料工艺简单,制备成本低廉,适合进行工业化生产推广,具有优越的经济效益。
2)本发明采用的是溶液浸泡法对纺织面料进行表面改性,只需按顺序将纺织面料浸泡于二氧化钛的无水酒精溶液和十二烷酸的无水酒精溶液,经干燥后即可获得抗紫外线超疏水纺织面料,整个生产周期不超过40小时,且制备原料无毒、环境友好、廉价易得。
3)本发明的抗紫外线超疏水纺织面料具有超疏水性能,水静态接触角大于150度,从而表现出优异的超疏水性和表面自清洁能力。
4)本发明的抗紫外线超疏水纺织面料具有优异抗紫外线性能,将200~400nm紫外波段光分别照射改性后的纺织面料与普通纺织面料一面,通过检测另一面紫外光透过率来评价纺织面料的抗紫外线能力。结果表面,改性后的纺织面料基本可阻挡紫外波段的全部紫外光,而普通纺织面料则无此性能。
5)本发明的抗紫外线超疏水纺织面料具有良好的透气性,根据GB/T5453—1997《纺织品织物透气性测定》标准,采用YG461D型数字式透气率仪测试织物透气性。普通纺织面料经表面改性后,其透气率仅下降了2.1%,纺织面料改性前后的透气性相差不大,对其应用于纺织行业提供了有利的条件。为了直观的表现本发明纺织面料具有优异的透气性,可通过氨水透过本发明纺织面料的速率来测试。将盛有氨水的容器口用本发明纺织面料密封,纺织面料表面滴几滴加了指示剂的溶液,氨气挥发透过纺织面料并溶于纺织面料表面的液滴,使其pH值增加,指示剂变色。变色过程非常迅速(5秒以内),能有效的证明本发明纺织面料仍具有良好的透气性。
6)本发明的纺织面料耐磨损,将制备的超疏水纺织面料平铺在600目砂纸上,再将200g的砝码固定在超疏水纺织面料上,给超疏水纺织面料加以水平外力,使超疏水纺织面料在砂纸上来回移动,往返距离为20cm,往返摩擦500次,纺织面料表面仍保持高的超疏水耐久性。
具体实施方式
本发明提供的一种抗菌疏水纺织面料的生产方法具体操作步骤如下:
S1:将纺织面料洗涤五次,每次洗涤先用蒸馏水后用无水酒精溶液洗涤,使得纺织面料表面的灰尘和有机物等杂质冲洗干净,随后对纺织面料首次干燥,将首次干燥后的纺织面料浸泡于质量浓度为1~6wt%的无水酒精溶液中,该无水酒精溶液中的二氧化钛颗粒粒径为20nm,将容器口密封,置于超声波清洗器内分散,分散使得二氧化钛颗粒均匀的分布在纺织面料表面,分散时温度为20~50℃,分散的时间为25~50min,再取出纺织面料对其用蒸馏水洗涤,洗掉多余的二氧化钛颗粒,洗涤后对纺织面料再次干燥;
S2:将再次干燥后的纺织面料浸泡于质量浓度为2~6wt%的十二烷酸的无水酒精溶液中进行表面改性,浸泡过程中十二烷酸的无水酒精溶液保持恒温,温度为10~80℃,经过10~30h后取出,高温干燥后即得抗紫外线超疏水纺织面料。具体地,高温干燥的温度为70~100℃、高温干燥的时间为1~8h。
利用本发明一种抗菌疏水纺织面料的生产方法制得的抗紫外线超疏水纺织面料。疏水性表现:经检测,该抗紫外线超疏水纺织面料与水滴的静态接触角可高达156°表现出良好的疏水性,以铅笔芯粉末作为灰尘模拟物,经铅笔芯粉末污染的超疏水纺织面料在水的冲洗下,铅笔芯粉末很快被水带走,超疏水纺织面料表面洁净如新,因为超疏水性而表现出自清洁性。抗紫外线性能表现:将普通纺织面料和抗紫外线超疏水纺织面料分别用固体紫外光谱分析仪测试,结果表明抗紫外线超疏水纺织面料基本抵抗掉紫外光区的全部紫外光。该抗紫外线超疏水纺织面料即使在极端条件下(强酸、强碱、高温),仍能保持优异的抗紫外线、自清洁、超疏水性能。透气性表现:根据GB/T5453—1997《纺织品织物透气性测定》标准,采用YG461D型数字式透气率仪测试织物透气性。为了直观的表现本发明纺织面料良好的透气性,将盛有氨水的烧杯口部用该抗紫外线超疏水纺织面料密封,取pH=2的HCl溶液,加入甲基橙做为指示剂,溶液呈现红色,将该红色溶液滴在超疏水纺织面料上,由于该抗紫外线超疏水纺织面料优异的透气性,氨水挥发,氨气溶于红色液滴,使红色液滴pH值上升,红色液滴快速变黄。另外,对该抗紫外线超疏水纺织面料表面进行磨损试验,经摩擦测试500次后磨损的纺织面料织物外形严重变形,通过接触角测试仪测定其表面水接触角高达146°,仍能保持优异的超疏水性能。经扫描电镜观察普通纺织面料和本发明纺织面料,结果显示在同等放大倍数下(标尺为2微米)普通纺织面料纤维骨架表面光滑,而本发明纺织面料纤维骨架表面有分布均匀的微纳米结构颗粒,正是因为这种分级的微纳米结构,才使得改性后的纺织面料具有超疏水性能。
下面结合具体实施方式对本发明进行详细说明。
实施例1
本实施例的一种抗菌疏水纺织面料的生产方法包括以下步骤:
S1:将纺织面料洗涤五次,每次洗涤先用蒸馏水后用无水酒精溶液洗涤,随后对纺织面料首次干燥,将首次干燥后的纺织面料浸泡于50ml质量浓度为1wt%的无水酒精溶液中,该无水酒精溶液中的二氧化钛颗粒粒径为20nm,将容器口密封,置于超声波清洗器内分散,分散使得二氧化钛颗粒均匀的分布在纺织面料表面,分散时温度为20℃,分散的时间为25min,再取出纺织面料对其用蒸馏水洗涤3次,洗涤后对纺织面料再次干燥;
S2:将再次干燥后的纺织面料浸泡于50ml质量浓度为2wt%的十二烷酸的无水酒精溶液中进行表面改性,浸泡过程中十二烷酸的无水酒精溶液保持恒温,温度为10℃,经过8h后取出,放置在鼓风干燥箱内高温干燥后即得抗紫外线超疏水纺织面料。具体地,高温干燥的温度为70℃、高温干燥的时间为1h。
本实施例1制备的抗紫外线超疏水纺织面料的表面积为4cm2,在DMo-501接触角测量仪上用4μL去离子水测试其表面浸润性能,在其上随机取5个不同位置,测其接触角,取平均值151°,可知其表面具有高的疏水接触角,具有优异的拒水性能。
实施例2
本实施例的一种抗菌疏水纺织面料的生产方法包括以下步骤:
S1:将纺织面料洗涤五次,每次洗涤先用蒸馏水后用无水酒精溶液洗涤,随后对纺织面料首次干燥,将首次干燥后的纺织面料浸泡于50ml质量浓度为2wt%的无水酒精溶液中,该无水酒精溶液中的二氧化钛颗粒粒径为20nm,将容器口密封,置于超声波清洗器内分散,分散使得二氧化钛颗粒均匀的分布在纺织面料表面,分散时温度为30℃,分散的时间为30min,再取出纺织面料对其用蒸馏水洗涤3次,洗涤后对纺织面料再次干燥;
S2:将再次干燥后的纺织面料浸泡于50ml质量浓度为3wt%的十二烷酸的无水酒精溶液中进行表面改性,浸泡过程中十二烷酸的无水酒精溶液保持恒温,温度为30℃,经过12h后取出,放置在鼓风干燥箱内高温干燥后即得抗紫外线超疏水纺织面料。具体地,高温干燥的温度为80℃、高温干燥的时间为2h。
本实施例2制备的抗紫外线超疏水纺织面料的表面积为4cm2,在DMo-501接触角测量仪上用4μL去离子水测试其表面浸润性能,在其上随机取5个不同位置,测其接触角,取平均值154°,可知其表面具有高的疏水接触角,具有优异的拒水性能。
实施例3
本实施例的一种抗菌疏水纺织面料的生产方法包括以下步骤:
S1:将纺织面料洗涤五次,每次洗涤先用蒸馏水后用无水酒精溶液洗涤,随后对纺织面料首次干燥,将首次干燥后的纺织面料浸泡于50ml质量浓度为2wt%的无水酒精溶液中,该无水酒精溶液中的二氧化钛颗粒粒径为20nm,将容器口密封,置于超声波清洗器内分散,分散使得二氧化钛颗粒均匀的分布在纺织面料表面,分散时温度为35℃,分散的时间为35min,再取出纺织面料对其用蒸馏水洗涤3次,洗涤后对纺织面料再次干燥;
S2:将再次干燥后的纺织面料浸泡于50ml质量浓度为4wt%的十二烷酸的无水酒精溶液中进行表面改性,浸泡过程中十二烷酸的无水酒精溶液保持恒温,温度为45℃,经过16h后取出,放置在鼓风干燥箱内高温干燥后即得抗紫外线超疏水纺织面料。具体地,高温干燥的温度为85℃、高温干燥的时间为4h。
本实施例3制备的抗紫外线超疏水纺织面料的表面积为4cm2,在DMo-501接触角测量仪上用2μL去离子水测试其表面浸润性能,在其上随机取5个不同位置,测其接触角,取平均值156°,可知其表面具有高的疏水接触角,具有优异的拒水性能。
实施例4
本实施例的一种抗菌疏水纺织面料的生产方法包括以下步骤:
S1:将纺织面料洗涤五次,每次洗涤先用蒸馏水后用无水酒精溶液洗涤,随后对纺织面料首次干燥,将首次干燥后的纺织面料浸泡于50ml质量浓度为4wt%的无水酒精溶液中,该无水酒精溶液中的二氧化钛颗粒粒径为20nm,将容器口密封,置于超声波清洗器内分散,分散使得二氧化钛颗粒均匀的分布在纺织面料表面,分散时温度为45℃,分散的时间为40min,再取出纺织面料对其用蒸馏水洗涤3次,洗涤后对纺织面料再次干燥;
S2:将再次干燥后的纺织面料浸泡于50ml质量浓度为5wt%的十二烷酸的无水酒精溶液中进行表面改性,浸泡过程中十二烷酸的无水酒精溶液保持恒温,温度为60℃,经过20h后取出,放置在鼓风干燥箱内高温干燥后即得抗紫外线超疏水纺织面料。具体地,高温干燥的温度为90℃、高温干燥的时间为6h。
本实施例4制备的抗紫外线超疏水纺织面料的表面积为4cm2,在DMo-501接触角测量仪上用4μL去离子水测试其表面浸润性能,在其上随机取5个不同位置,测其接触角,取平均值153°,可知其表面具有高的疏水接触角,具有优异的拒水性能。
实施例5
本实施例的一种抗菌疏水纺织面料的生产方法包括以下步骤:
S1:将纺织面料洗涤五次,每次洗涤先用蒸馏水后用无水酒精溶液洗涤,随后对纺织面料首次干燥,将首次干燥后的纺织面料浸泡于50ml质量浓度为6wt%的无水酒精溶液中,该无水酒精溶液中的二氧化钛颗粒粒径为20nm,将容器口密封,置于超声波清洗器内分散,分散使得二氧化钛颗粒均匀的分布在纺织面料表面,分散时温度为50℃,分散的时间为50min,再取出纺织面料对其用蒸馏水洗涤3次,洗涤后对纺织面料再次干燥;
S2:将再次干燥后的纺织面料浸泡于50ml质量浓度为6wt%的十二烷酸的无水酒精溶液中进行表面改性,浸泡过程中十二烷酸的无水酒精溶液保持恒温,温度为80℃,经过24h后取出,放置在鼓风干燥箱内高温干燥后即得抗紫外线超疏水纺织面料。具体地,高温干燥的温度为100℃、高温干燥的时间为8h。
本实施例5制备的抗紫外线超疏水纺织面料的表面积为4cm2,在DMo-501接触角测量仪上用4μL去离子水测试其表面浸润性能,在其上随机取5个不同位置,测其接触角,取平均值152°,可知其表面具有高的疏水接触角,具有优异的拒水性能。
Claims (8)
1.一种抗菌疏水纺织面料的生产方法,其特征在于,包括以下步骤:
S1:将纺织面料洗涤,随后对纺织面料首次干燥,将首次干燥后的纺织面料浸泡于无水酒精溶液中,将容器口密封,置于超声波清洗器内分散,再取出纺织面料对其用蒸馏水洗涤,洗涤后对纺织面料再次干燥;
S2:将再次干燥后的纺织面料浸泡于十二烷酸的无水酒精溶液中,经过10~30h后取出,高温干燥后即得抗紫外线超疏水纺织面料。
2.如权利要求1所述的一种抗菌疏水纺织面料的生产方法,其特征在于,S1中对纺织面料首次干燥之前将纺织面料洗涤五次,每次洗涤先用蒸馏水后用无水酒精溶液洗涤。
3.如权利要求1所述的一种抗菌疏水纺织面料的生产方法,其特征在于,S1中所述无水酒精溶液的质量浓度为1~6wt%。
4.如权利要求1所述的一种抗菌疏水纺织面料的生产方法,其特征在于,S1中所述无水酒精溶液中的二氧化钛颗粒粒径为20nm。
5.如权利要求1所述的一种抗菌疏水纺织面料的生产方法,其特征在于,S1中所述分散时温度为20~50℃,分散的时间为25~50min。
6.如权利要求1所述的一种抗菌疏水纺织面料的生产方法,其特征在于,S2中所述十二烷酸的无水酒精溶液的质量浓度为2~6wt%。
7.如权利要求1所述的一种抗菌疏水纺织面料的生产方法,其特征在于,在进行S2时,浸泡过程中所述十二烷酸的无水酒精溶液保持恒温,温度为10~80℃。
8.如权利要求1所述的一种抗菌疏水纺织面料的生产方法,其特征在于,S2中所述高温干燥的温度为70~100℃、高温干燥的时间为1~8h。
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