CN110791969B - 一种通过发泡整理制备防霉面料的方法 - Google Patents
一种通过发泡整理制备防霉面料的方法 Download PDFInfo
- Publication number
- CN110791969B CN110791969B CN201910959267.6A CN201910959267A CN110791969B CN 110791969 B CN110791969 B CN 110791969B CN 201910959267 A CN201910959267 A CN 201910959267A CN 110791969 B CN110791969 B CN 110791969B
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- Prior art keywords
- fabric
- foaming
- zinc oxide
- finishing
- agent
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Abstract
本发明涉及一种通过发泡整理制备防霉面料的方法,对织物进行发泡整理制得防霉面料;发泡整理的过程为:首先采用修饰剂对平均粒径为1~100nm的无机抗菌剂进行预处理得到改性无机抗菌剂,修饰剂为可通过氢键、共价键或物理吸附作用与无机抗菌剂结合且含有机基团的化合物,然后将主要由改性无机抗菌剂、有机抗菌剂、发泡剂和溶剂组成的体系进行发泡得到泡沫,最后将泡沫涂覆在织物表面后干燥。本发明的一种通过发泡整理制备防霉面料的方法,简单易行,成本较低,适用范围较广;将经过修饰剂改性的无机抗菌剂与有机抗菌剂共同进行发泡整理,提高了织物抗菌防霉性能和功能持久性。
Description
技术领域
本发明属于功能织物技术领域,涉及一种通过发泡整理制备防霉面料的方法。
背景技术
随着人们在生活、工作中压力的日益增加,越来越多的人也开始投身到休闲、户外运动中,这直接带动了功能性面料的发展。功能性面料的应用,在增加了面料产品附加值的同时,还体现出人们对舒适便捷生活方式的追求和对自身健康与安全的保护。目前,舒适、再生、环保、防霉抗菌、负离子等功能性的面料更受到市场的欢迎。当下发达国家的功能性面料发展很快。据报道,功能性纺织品占全部纺织品的比重,日本为39%,欧洲为21%,美国为28%。总的来看,日本在服用纺织品和医药卫生领域功能面料研究开发上、欧美在产业和高新技术领域功能面料研究上,分别居世界领先地位。国内对功能性纺织品需求巨大,据2017年数据统计,我国功能型面料市场规模达到673.7亿元,约占印染布全年产值的19.91%。从功能性需求来看,防霉抗菌的功能性面料位居前列,家纺用品、保健服饰、产业用纺织品、户外运动用品等领域展现出了对防霉面料的急切需求。现在市场上的防霉抗菌整理多采用广谱抗菌剂对织物进行抗菌整理,或在合成纤维纺丝阶段加入生物杀灭剂,可抑制霉菌在纺织品材料上繁殖带来的负面影响,但是却存在着诸多问题,例如甲醛衍生物抗菌整理剂中含有会引起过敏、致癌、毒害神经或破坏内分泌的物质,威胁人类和环境安全,此外,整理方式也存在着整理不均匀,耗能大,容易洗脱等缺点。
因此,研究一种提高面料的防霉抗菌性能和功能持久性的方法具有十分重要的意义。
发明内容
本发明的目的是解决现有技术中防霉面料的防霉抗菌性能和功能持久性不够好的问题,提供一种通过发泡整理制备防霉面料的方法。
为达到上述目的,本发明采用的方案如下:
一种通过发泡整理制备防霉面料的方法,对织物进行发泡整理制得防霉面料;
发泡整理的过程为:首先采用修饰剂对平均粒径为1~100nm的无机抗菌剂进行预处理得到改性无机抗菌剂,修饰剂为可通过氢键、共价键或物理吸附作用与无机抗菌剂结合且含有机基团的化合物,然后将主要由改性无机抗菌剂、有机抗菌剂、发泡剂和溶剂组成的体系进行发泡得到泡沫,最后将泡沫涂覆在织物表面后干燥(干燥可采用烘干或自然风干的方式,当涂覆在织物上时,伴随着泡沫的破灭,改性无机抗菌剂均匀固着在织物上)。
由于泡沫整理(也叫发泡整理)技术的低给液、少污染、高节能等优点,在工厂间迅速发展应用起来,目前,泡沫整理涉及到的整理领域有泡沫染色、泡沫树脂整理(防皱整理)、泡沫柔软整理、泡沫阻燃整理以及多功能泡沫整理等。现有的泡沫整理是一种将化学品浆料(水溶性)与表面活性剂共混,通过充入大量空气后,采用机械发泡的方式生成大量泡沫,并将泡沫施加于纺织品表面,提高纺织品的附加值的一种纺织后整理方式。目前的泡沫整理技术只应用在有机整理剂的整理中,在无机领域尚未应用,因此,为了拓展泡沫整理技术的应用领域,有必要引入无机粒子,且与有机整理剂相比,无机整理剂相应减少了对人体和环境的损害。
本发明先是采用修饰剂对无机抗菌剂进行预处理得到改性无机抗菌剂,然后用改性无机抗菌剂与有机抗菌剂共同进行发泡整理制得抗菌防霉性能优异且功能持久的防霉面料;通过有机-无机复合整理,不仅可以具有纳米材料的特殊效应,且还兼具无机纳米材料和有机材料的诸多优良特征,如良好的机械强度、化学稳定性等;通过发泡整理,将有机与无机材料应用于纺织品时,不仅可以明显减少整理剂用量,且整理过程对纺织品各项物理性能损伤较小。本发明之所以对无机抗菌剂进行改性后再利用其进行发泡整理,是因为:一般用于泡沫整理的有机整理剂都是溶于水的,加入发泡剂或表面活性剂,经过机械作用很容易就产生稠密的泡沫,空气将代替部分水施加于织物上,而无机粒子不溶于水,并且在有发泡剂的水溶液中起到消泡作用,泡沫很容易破灭,即使产生了泡沫,但由于泡沫过大且不稳定,因此很难从现有的技术进行推导,难以通过泡沫整理的方法与织物结合;而本发明的改性后的无机抗菌剂却可以通过泡沫整理的方法与织物结合,主要原因是:1)修饰剂能够通过氢键、共价键或物理吸附作用吸附在粉体(由许许多多无机抗菌剂组成的集合体)表面,形成有序的混合体,从而固定或成膜包覆在粉体的表面,甚至形成多层包覆,因此使无机抗菌剂表面呈现与表面活性剂类似的性质,从而无机抗菌剂在混有发泡剂的溶液中更易起泡,粘附在泡沫表面,甚至被包裹在泡沫里;2)泡沫是大量的由表面活性剂的单分子膜包围的气泡所组成,而被改性后的无机抗菌剂表面的大分子链段和气泡上表面活性剂发生交联和共价结合,使得无机抗菌剂更容易附着在泡沫上;3)改性后的无机抗菌剂与发泡剂通过范德华引力和大分子链段交缠,使之紧密结合,经过机械作用(搅拌或剪切),连续产生亚稳态泡沫,该泡沫绵密(0.05~0.5mm),发泡后的液膜具有一定弹性(强度)和保护作用,从而使泡沫具有一定的稳定性(足够输送到织物上)。
作为优选的技术方案:
如上所述的一种通过发泡整理制备防霉面料的方法,修饰剂为表面活性剂、不饱和有机酸、有机低聚物或偶联剂,无机抗菌剂为纳米氧化锌,有机抗菌剂为羟基苯甲酸、羟基苯甲酸酯、十六烷基二甲基苄基氯化铵、聚氧乙烯三甲基氯化铵、十八烷基二甲基氯化铵、3-氯-2羟丙基三甲基氯化铵、己二烯酸、二氯苯氧基氯酚、4-氯-3,5二甲基苯酚或2,4-二氯-3,5-二甲苯酚。
如上所述的一种通过发泡整理制备防霉面料的方法,修饰剂为span系列表面活性剂、tween系列表面活性剂、硬脂酸、硬脂酸钠、钛酸酯、月桂酸钠、月桂酰氯、硅油或聚丙烯酸,优选地,修饰剂为span60、 tween80、钛酸酯、硬脂酸钠或月桂酰氯,其中,span/tween型表面活性剂作为常用的安全、稳定、无毒的表面活性剂,span是失水山梨醇脂肪酸酯类表面活性剂的商品名,属于非离子表面活性剂,根据不同脂肪酸链的差异,得到不同系列的产品,包括span20、span40、span60、span80等;tween是聚氧乙烯失水山梨醇脂肪酸醋类表面活性剂的商品名,主要由span类表面活性剂与环氧乙烷加成聚合而成,对应的产品有tween20、tween40、tween60、tween80等;根据合成时脂肪酸链长不同,合成后的表面活性剂所表现的亲疏水性也不同,tween由于环氧乙烷的引入,亲水基的占比得到提高,表现出更高的亲水性,根据亲疏水平衡值(HLB)的计算规则,脂肪酸链长越长,合成的表面活性剂也越疏水,这意味着可以通过选择合适的span/tween型表面活性剂,来达到调控载体表面亲疏水平衡的目的。
如上所述的一种通过发泡整理制备防霉面料的方法,预处理过程为:首先将无机抗菌剂分散在异丙醇中得到分散液,超声处理20~30min后加热至60~70℃,然后向分散液中添加修饰剂反应30~90min,并伴以搅拌,最后经后处理得到改性无机抗菌剂,其中,异丙醇的质量为无机抗菌剂质量的30~80倍,修饰剂的质量为无机抗菌剂质量的2~6%;异丙醇用量过低时,浆体的流动性差,不利于无机抗菌剂的充分分散,改性效果较差;修饰剂用量不足,会造成无机抗菌剂的改性效果不理想;修饰剂用量过大,会产生团聚现象。
如上所述的一种通过发泡整理制备防霉面料的方法,溶剂为水,按质量浓度计,体系中各组分及其含量为:改性无机抗菌剂100~150g/L,有机抗菌剂0.0003~0.0006g/L,发泡剂1.5~5g/L,亲水柔软剂 5~10g/L,分散剂2~5g/L,水余量。
如上所述的一种通过发泡整理制备防霉面料的方法,发泡剂为阴离子型表面活性剂,或者为阴离子型表面活性剂和非离子表面活性剂的混合物,亲水柔软剂为亲水硅油柔软剂BN-481或有机硅柔软剂 CS-501,分散剂为十二烷基硫酸钠(SDS)或羧甲基纤维钠(CMC)。
如上所述的一种通过发泡整理制备防霉面料的方法,发泡采用搅拌的方式,具体过程为:先以 300~500r/min的搅拌速度搅拌1~2min(低速搅拌目的是为了防止液体溅出),再以1000~1500r/min的搅拌速度搅拌至发泡比为3~4;泡沫的粘度为5×10-3~20×10-3Pa·s;织物表面泡沫的涂覆量为100~300g/m2,干燥的温度为80~150℃。
如上所述的一种通过发泡整理制备防霉面料的方法,发泡整理前还对织物进行喷墨印花,喷墨印花采用抗菌墨水,按重量份数计,抗菌墨水中各组分及其含量为:纳米氧化锌1~5份,纳米疏水二氧化硅 20~40份,水性聚氨酯10~15份,分散剂2~5份,水25~45份;
本发明采用喷墨技术将油墨型整理剂(抗菌墨水)整理到织物上,相对于传统的涂层工艺,不仅整理均匀,而且节约试剂、绿色环保、生产效率大大提高,抗菌墨水配方中使用了纳米氧化锌和纳米疏水二氧化硅两种无机纳米颗粒,纳米氧化锌可在紫外线或可见光的作用下受到激活,产生大量的氧化性物质,如OH-、H2O2和O2-等,其中H2O2能直接穿透细胞壁在菌体内聚集并杀灭细菌,而OH-在细菌细胞膜外层表面发生聚集现象,并与其发生反应导致细胞膜被破损,进而达到抗菌的目的;疏水纳米二氧化硅可降低织物的表面张力,防止破裂细胞残余物沾污到织物上;水性聚氨酯有成膜的特性,固化后则可保证无机纳米颗粒固着在织物上,达到较好的整理效果,解决了常规分散墨水需要通过高温固着有效物质的问题。
如上所述的一种通过发泡整理制备防霉面料的方法,抗菌墨水中,纳米氧化锌的平均粒径为 20~50nm,纳米疏水二氧化硅的平均粒径为15~50nm,分散剂为丙三醇,织物表面抗菌墨水的负载量为 150~300g/m2。
如上所述的一种通过发泡整理制备防霉面料的方法,防霉面料的抑菌圈直径≥13mm,抑菌的对象为大肠杆菌或金黄色葡萄球菌,本发明的防霉面料对这两种菌都能起到较好的抑制效果。
有益效果:
(1)本发明的一种通过发泡整理制备防霉面料的方法,简单易行,成本较低,适用范围较广;
(2)本发明的一种通过发泡整理制备防霉面料的方法,采用喷墨技术将抗菌整理剂整理到织物上,相对于传统的浸轧或涂层工艺,不仅整理均匀,而且节约试剂、绿色环保、生产效率大大提高;
(3)本发明的一种通过发泡整理制备防霉面料的方法,将经过修饰剂改性的无机抗菌剂与有机抗菌剂共同进行发泡整理,提高了织物抗菌防霉性能和功能持久性。
具体实施方式
下面结合具体实施方式,进一步阐述本发明。应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解,在阅读了本发明讲授的内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落于本申请所附权利要求书所限定的范围。
实施例1
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用span60对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理20min后加热至70℃,然后向分散液中添加span60反应30min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的30倍,span60的质量为纳米氧化锌质量的2%;纳米氧化锌的平均粒径为1nm;
(2)将由改性纳米氧化锌、羟基苯甲酸、十二烷基硫酸钠、亲水硅油柔软剂BN-481和水组成的体系进行发泡得到泡沫,其中,按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌100g/L,羟基苯甲酸0.0003g/L,十二烷基硫酸钠3.5g/L,亲水硅油柔软剂BN-481 5g/L,水余量;发泡采用搅拌的方式,具体过程为:先以410r/min的搅拌速度搅拌1min,再以1250r/min的搅拌速度搅拌至发泡比为3;泡沫的粘度为13×10-3Pa·s;
(3)将泡沫涂覆在织物表面后采用自然风干的方式干燥,即得防霉面料;织物表面泡沫的涂覆量为 100g/m2,干燥的温度为80℃;
通过该方法整理后,防霉面料的抑菌圈直径为1.1mm。
对比例1
一种通过发泡整理制备防霉面料的方法,对比例1的步骤与实施例1基本相同,不同之处在于没有步骤(1),将步骤(2)中的改性纳米氧化锌替换为纳米氧化锌,得到的泡沫的粘度为2.6×10-3Pa·s,且通过该方法整理后,防霉面料的抑菌圈直径为0.6mm;
将对比例1与实施例1进行对比可以看出,对比例1中泡沫粘度更小,抑菌圈更小,防霉效果差,这是因为实施例1中span60起到修饰剂的作用,能够通过氢键、共价键或物理吸附作用吸附在纳米氧化锌组成表面,形成有序的混合体,从而固定或成膜包覆在纳米氧化锌的表面,甚至形成多层包覆,因此使纳米氧化锌表面呈现与表面活性剂类似的性质,从而纳米氧化锌在混有发泡剂的溶液中更易起泡,粘附在泡沫表面,甚至被包裹在泡沫里;另外,泡沫是大量的由表面活性剂的单分子膜包围的气泡所组成,而被改性后的纳米氧化锌表面的大分子链段和气泡上表面活性剂发生交联和共价结合,使得纳米氧化锌更容易附着在泡沫上;改性后的纳米氧化锌与发泡剂通过范德华引力和大分子链段交缠,使之紧密结合,经过机械作用(搅拌或剪切),连续产生亚稳态泡沫,该泡沫绵密(0.05~0.5mm),发泡后的液膜具有一定弹性(强度)和保护作用,从而使泡沫具有一定的稳定性(足够输送到织物上);而对比例1中的纳米氧化锌未经过修饰,不存在实施例1中的这些作用,导致其分布不均匀,而且纳米氧化锌容易团聚,会进一步地减少防霉效果。
对比例2
一种通过发泡整理制备防霉面料的方法,对比例2的步骤与实施例1基本相同,不同之处在于将 span60替换为无水乙醇;得到的泡沫的粘度为2.8×10-3Pa·s,且通过该方法整理后,防霉面料的抑菌圈直径为0.82mm;
将对比例2与实施例1进行对比可以看出,对比例2的泡沫粘度更小,抑菌圈更小,防霉效果差,这是因为无水乙醇无法起到同本申请中span60对纳米氧化锌进行表面修饰的作用,对比例2中,无水乙醇与无机粒子之间没有任何的吸附和结合力,不能修饰无机粒子的表面,使其不能与气泡上表面活性剂发生交联和共价结合,而且纳米氧化锌难溶于溶剂,且还具有消泡作用,故此,泡沫的粘度小,纳米氧化锌容易团聚,会进一步地减少防霉效果。
对比例3
一种通过发泡整理制备防霉面料的方法,对比例3的步骤与实施例1基本相同,不同之处在于将步骤(1)修改为:将span60和纳米氧化锌采用机械式搅拌混合在一起,形成混合物,其中,span60占纳米氧化锌的质量比与实施例1中步骤(1)相同;在步骤(2)中将改性纳米氧化锌替换为该span60和纳米氧化锌的混合物,其添加总量与实施例1相同;得到的泡沫的粘度为4.2×10-3Pa·s,且通过该方法整理后,防霉面料的抑菌圈直径为0.73mm;
将对比例3与实施例1进行对比可以看出,对比例3的泡沫整理效果差,这是因为对比例3中,纳米氧化锌与span60仅为简单的机械混合,span60对纳米氧化锌的吸附作用有限,所以,相比于实施例1 中,span60发挥出的作用大大减弱,因此,对比例3中的纳米氧化锌更容易团聚,整理液中的泡沫也会受到纳米氧化锌的影响而会不稳定,总体上造成在织物上纳米氧化锌的分布不均匀和防霉效果较差的结果。
对比例4
一种通过发泡整理制备防霉面料的方法,对比例4的步骤与实施例1基本相同,不同之处在于纳米氧化锌的平均粒径为200nm;得到的泡沫的粘度为3.3×10-3Pa·s,且通过该方法整理后,防霉面料的抑菌圈直径为0.84mm;
将对比例4与实施例1进行对比可以看出,对比例4的泡沫整理效果差,这是因为对比例4中的纳米氧化锌粒径过大,即使对其改性后也很难吸附在泡沫上,使发泡变的困难,反而容易消泡,很难将泡沫输送到织物上,因此造成在织物上纳米氧化锌的分布不均匀和防霉效果较差的结果。
实施例2
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用tween80对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理25min后加热至65℃,然后向分散液中添加tween80反应40min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的50倍,tween80的质量为纳米氧化锌质量的4%;纳米氧化锌的平均粒径为10nm;
(2)将由改性纳米氧化锌、羟基苯甲酸酯、十四烷基苯磺酸钠、亲水硅油柔软剂BN-481、十二烷基硫酸钠和水组成的体系进行发泡得到泡沫,其中,发泡采用搅拌的方式,具体过程为:先以453r/min 的搅拌速度搅拌1.5min,再以1250r/min的搅拌速度搅拌至发泡比为3;泡沫的粘度为13×10-3Pa·s;按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌120g/L,羟基苯甲酸酯0.0004g/L,十四烷基苯磺酸钠2.5g/L,亲水硅油柔软剂BN-4816g/L,十二烷基硫酸钠4g/L,水余量;
(3)最后将泡沫涂覆在织物表面后采用烘干干燥,即得防霉面料;织物表面泡沫的涂覆量为120g/m2,干燥的温度为100℃;
通过该方法整理后,防霉面料的抑菌圈直径为3.5mm。
实施例3
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用钛酸酯对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理28min后加热至60℃,然后向分散液中添加钛酸酯反应50min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的 70倍,钛酸酯的质量为纳米氧化锌质量的6%;纳米氧化锌的平均粒径为20nm;
(2)将由改性纳米氧化锌、十六烷基二甲基苄基氯化铵、质量比为1:1的十二烷基硫酸钠和净洗剂 6001的混合物、亲水硅油柔软剂BN-481、羧甲基纤维钠和水组成的体系进行发泡得到泡沫,其中,发泡采用搅拌的方式,具体过程为:先以444r/min的搅拌速度搅拌1.2min,再以1382r/min的搅拌速度搅拌至发泡比为3.2;泡沫的粘度为16×10-3Pa·s;按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌140g/L,十六烷基二甲基苄基氯化铵0.0004g/L,质量比为1:1的十二烷基硫酸钠和净洗剂6001的混合物3.5g/L,亲水硅油柔软剂BN-481 7g/L,羧甲基纤维钠5g/L,水余量;
(3)将泡沫涂覆在织物表面后采用烘干干燥,即得防霉面料;织物表面泡沫的涂覆量为150g/m2,干燥的温度为120℃;
通过该方法整理后,防霉面料的抑菌圈直径为6mm。
实施例4
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用硬脂酸钠对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理30min后加热至65℃,然后向分散液中添加硬脂酸钠反应60min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的60倍,硬脂酸钠的质量为纳米氧化锌质量的6%;纳米氧化锌的平均粒径为40nm;
(2)将由改性纳米氧化锌、聚氧乙烯三甲基氯化铵、质量比为1:1的十四烷基苯磺酸钠和净洗剂6001 的混合物、亲水硅油柔软剂BN-481、十二烷基硫酸钠和水组成的体系进行发泡得到泡沫,其中,按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌140g/L,聚氧乙烯三甲基氯化铵0.0005g/L,质量比为1:1的十四烷基苯磺酸钠和净洗剂6001的混合物4g/L,亲水硅油柔软剂BN-481 8g/L,十二烷基硫酸钠4g/L,水余量;发泡采用搅拌的方式,具体过程为:先以500r/min的搅拌速度搅拌1.6min,再以 1365r/min的搅拌速度搅拌至发泡比为3.5;泡沫的粘度为16×10-3Pa·s;
(3)将泡沫涂覆在织物表面后采用自然风干的方式干燥,即得防霉面料;织物表面泡沫的涂覆量为180g/m2,干燥的温度为130℃;
通过该方法整理后,防霉面料的抑菌圈直径为8mm。
实施例5
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用月桂酰氯对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理24min后加热至63℃,然后向分散液中添加月桂酰氯反应70min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的40倍,月桂酰氯的质量为纳米氧化锌质量的5%;纳米氧化锌的平均粒径为60nm;
(2)将由改性纳米氧化锌、十八烷基二甲基氯化铵、十二烷基硫酸钠、有机硅柔软剂CS-501、水组成的体系进行发泡得到泡沫,其中,发泡采用搅拌的方式,具体过程为:先以420r/min的搅拌速度搅拌1.3min,再以1500r/min的搅拌速度搅拌至发泡比为3.6;泡沫的粘度为18×10-3Pa·s;按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌130g/L,十八烷基二甲基氯化铵0.0005g/L,十二烷基硫酸钠8g/L,有机硅柔软剂CS-501 9g/L,水余量;
(3)将泡沫涂覆在织物表面后采用自然风干的方式干燥,即得防霉面料;织物表面泡沫的涂覆量为 210g/m2,干燥的温度为140℃;
通过该方法整理后,防霉面料的抑菌圈直径为13mm。
实施例6
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用硬脂酸对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理25min后加热至67℃,然后向分散液中添加硬脂酸反应80min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的 40倍,硬脂酸的质量为纳米氧化锌质量的3%;纳米氧化锌的平均粒径为80nm;
(2)将由改性纳米氧化锌、3-氯-2羟丙基三甲基氯化铵、十四烷基苯磺酸钠、亲水硅油柔软剂 BN-481、十二烷基硫酸钠和水组成的体系进行发泡得到泡沫,其中,发泡采用搅拌的方式,具体过程为:先以352r/min的搅拌速度搅拌1.9min,再以1400r/min的搅拌速度搅拌至发泡比为3.8;泡沫的粘度为 20×10-3Pa·s;按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌150g/L,3-氯-2羟丙基三甲基氯化铵0.0006g/L,十四烷基苯磺酸钠3g/L,亲水硅油柔软剂BN-481 10g/L,十二烷基硫酸钠2g/L,水余量;
(3)将泡沫涂覆在织物表面后采用自然风干的方式干燥,即得防霉面料;织物表面泡沫的涂覆量为 250g/m2,干燥的温度为150℃;
通过该方法整理后,防霉面料的抑菌圈直径为23mm。
实施例7
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用聚丙烯酸对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理25min后加热至66℃,然后向分散液中添加聚丙烯酸反应90min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的80倍,聚丙烯酸的质量为纳米氧化锌质量的4%;纳米氧化锌的平均粒径为100nm;
(2)将由改性纳米氧化锌、己二烯酸、十二烷基硫酸钠、亲水硅油柔软剂BN-481和水组成的体系进行发泡得到泡沫,其中,按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌140g/L,己二烯酸0.0006g/L,十二烷基硫酸钠7g/L,亲水硅油柔软剂BN-481 10g/L,水余量;发泡采用搅拌的方式,具体过程为:先以300r/min的搅拌速度搅拌2min,再以1185r/min的搅拌速度搅拌至发泡比为4;泡沫的粘度为5×10-3Pa·s;
(3)将泡沫涂覆在织物表面后采用自然风干的方式干燥,即得防霉面料;织物表面泡沫的涂覆量为 300g/m2,干燥的温度为150℃;
通过该方法整理后,防霉面料的抑菌圈直径为27mm。
实施例8
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用硅油对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理25min后加热至64℃,然后向分散液中添加硅油反应40min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的50 倍,硅油的质量为纳米氧化锌质量的4%;纳米氧化锌的平均粒径为50nm;
(2)将由改性纳米氧化锌、二氯苯氧基氯酚、十四烷基苯磺酸钠、亲水硅油柔软剂BN-481、羧甲基纤维钠和水组成的体系进行发泡得到泡沫,其中,发泡采用搅拌的方式,具体过程为:先以368r/min 的搅拌速度搅拌1.1min,再以1000r/min的搅拌速度搅拌至发泡比为3.5;泡沫的粘度为9×10-3Pa·s;按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌120g/L,二氯苯氧基氯酚0.0003g/L,十四烷基苯磺酸钠2g/L,亲水硅油柔软剂BN-481 6g/L,羧甲基纤维钠3g/L,水余量;
(3)将泡沫涂覆在织物表面后采用自然风干的方式干燥,即得防霉面料;织物表面泡沫的涂覆量为 135g/m2,干燥的温度为90℃;
通过该方法整理后,防霉面料的抑菌圈直径为4mm。
实施例9
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用月桂酸钠对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理25min后加热至63℃,然后向分散液中添加月桂酸钠反应60min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的60倍,月桂酸钠的质量为纳米氧化锌质量的5%;纳米氧化锌的平均粒径为60nm;
(2)将由改性纳米氧化锌、4-氯-3,5二甲基苯酚、十四烷基苯磺酸钠、亲水硅油柔软剂BN-481、十二烷基硫酸钠和水组成的体系进行发泡得到泡沫,其中,发泡采用搅拌的方式,具体过程为:先以 379r/min的搅拌速度搅拌1.4min,再以1230r/min的搅拌速度搅拌至发泡比为3.2;泡沫的粘度为 12×10-3Pa·s;按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌130g/L,4-氯-3,5二甲基苯酚 0.0004g/L,十四烷基苯磺酸钠3.5g/L,亲水硅油柔软剂BN-481 8g/L,十二烷基硫酸钠3.5g/L,水余量;
(3)将泡沫涂覆在织物表面后采用自然风干的方式干燥,即得防霉面料;织物表面泡沫的涂覆量为 145g/m2,干燥的温度为110℃;
通过该方法整理后,防霉面料的抑菌圈直径为5.5mm。
实施例10
一种通过发泡整理制备防霉面料的方法,其步骤如下:
(1)采用span60对纳米氧化锌进行预处理得到改性纳米氧化锌,预处理过程为:将纳米氧化锌分散于异丙醇中得到分散液,超声处理25min后加热至65℃,然后向分散液中添加span60反应60min,并伴以搅拌,最后经离心、乙醇清洗和烘干得到改性纳米氧化锌;其中,异丙醇的质量为纳米氧化锌质量的60倍,span60的质量为纳米氧化锌质量的4%;纳米氧化锌的平均粒径为55nm;
(2)将由改性纳米氧化锌、2,4-二氯-3,5-二甲苯酚、十二烷基硫酸钠、亲水硅油柔软剂BN-481、十二烷基硫酸钠和水组成的体系进行发泡得到泡沫,其中,按质量浓度计,体系中各组分及其含量为:改性纳米氧化锌130g/L,2,4-二氯-3,5-二甲苯酚0.0004g/L,十二烷基硫酸钠7.6g/L,亲水硅油柔软剂BN-481 6g/L,水余量;发泡采用搅拌的方式,具体过程为:先以440r/min的搅拌速度搅拌1.3min,再以1345r/min 的搅拌速度搅拌至发泡比为3.6;泡沫的粘度为16×10-3Pa·s;
(3)将泡沫涂覆在织物表面后采用自然风干的方式干燥,即得防霉面料;织物表面泡沫的涂覆量为 207g/m2,干燥的温度为125℃;
通过该方法整理后,防霉面料的抑菌圈直径为9.3mm。
实施例11
一种通过发泡整理制备防霉面料的方法,其步骤与实施例1基本相同,不同之处在于步骤(3)中采用的织物为经过喷墨印花后的织物,喷墨印花采用抗菌墨水,按重量份数计,抗菌墨水中各组分及其含量为:纳米氧化锌1份、纳米疏水二氧化硅20份、水性聚氨酯10份、丙三醇2份和水25份;其中,纳米氧化锌的平均粒径为50nm,纳米疏水二氧化硅的平均粒径为50nm,织物表面抗菌墨水的负载量为 150g/m2;
制得的防霉面料的抑菌圈直径为5mm。
实施例12
一种通过发泡整理制备防霉面料的方法,其步骤与实施例2基本相同,不同之处在于步骤(3)中采用的织物为经过喷墨印花后的织物,喷墨印花采用抗菌墨水,按重量份数计,抗菌墨水中各组分及其含量为:纳米氧化锌2份、纳米疏水二氧化硅25份、水性聚氨酯11份、丙三醇3份和水30份;其中,纳米氧化锌的平均粒径为40nm,纳米疏水二氧化硅的平均粒径为40nm,织物表面抗菌墨水的负载量为 180g/m2;
制得的防霉面料的抑菌圈直径为8.4mm。
实施例13
一种通过发泡整理制备防霉面料的方法,其步骤与实施例3基本相同,不同之处在于步骤(3)中采用的织物为经过喷墨印花后的织物,喷墨印花采用抗菌墨水,按重量份数计,抗菌墨水中各组分及其含量为:纳米氧化锌3份、纳米疏水二氧化硅30份、水性聚氨酯12份、丙三醇4份和水35份;其中,纳米氧化锌的平均粒径为30nm,纳米疏水二氧化硅的平均粒径为30nm,织物表面抗菌墨水的负载量为 220g/m2;
制得的防霉面料的抑菌圈直径为11mm。
实施例14
一种通过发泡整理制备防霉面料的方法,其步骤与实施例4基本相同,不同之处在于步骤(3)中采用的织物为经过喷墨印花后的织物,喷墨印花采用抗菌墨水,按重量份数计,抗菌墨水中各组分及其含量为:纳米氧化锌4份、纳米疏水二氧化硅35份、水性聚氨酯13份、丙三醇4份和水40份;其中,纳米氧化锌的平均粒径为25nm,纳米疏水二氧化硅的平均粒径为20nm,织物表面抗菌墨水的负载量为 260g/m2;
制得的防霉面料的抑菌圈直径为16.5mm。
实施例15
一种通过发泡整理制备防霉面料的方法,其步骤与实施例5基本相同,不同之处在于步骤(3)中采用的织物为经过喷墨印花后的织物,喷墨印花采用抗菌墨水,按重量份数计,抗菌墨水中各组分及其含量为:纳米氧化锌5份、纳米疏水二氧化硅40份、水性聚氨酯15份、丙三醇5份和水45份;其中,纳米氧化锌的平均粒径为20nm,纳米疏水二氧化硅的平均粒径为15nm,织物表面抗菌墨水的负载量为300g/m2;
制得的防霉面料的抑菌圈直径为19.7mm。
Claims (9)
1.一种通过发泡整理制备防霉面料的方法,其特征是:对织物进行发泡整理制得防霉面料;
发泡整理的过程为:首先采用修饰剂对平均粒径为1~100nm的无机抗菌剂进行预处理得到改性无机抗菌剂,修饰剂为可通过氢键、共价键或物理吸附作用与无机抗菌剂结合且含有机基团的化合物,然后将主要由改性无机抗菌剂、有机抗菌剂、发泡剂和溶剂组成的体系进行发泡得到泡沫,最后将泡沫涂覆在织物表面后干燥;
防霉面料的抑菌圈直径≥13mm。
2.根据权利要求1所述的一种通过发泡整理制备防霉面料的方法,其特征在于,修饰剂为表面活性剂、不饱和有机酸、有机低聚物或偶联剂,无机抗菌剂为纳米氧化锌,有机抗菌剂为羟基苯甲酸、羟基苯甲酸酯、十六烷基二甲基苄基氯化铵、聚氧乙烯三甲基氯化铵、十八烷基二甲基氯化铵、3-氯-2羟丙基三甲基氯化铵、己二烯酸、二氯苯氧基氯酚、4-氯-3,5二甲基苯酚或2,4-二氯-3,5-二甲苯酚。
3.根据权利要求2所述的一种通过发泡整理制备防霉面料的方法,其特征在于,修饰剂为span系列表面活性剂、tween系列表面活性剂、硬脂酸、硬脂酸钠、钛酸酯、月桂酸钠、月桂酰氯、硅油或聚丙烯酸。
4.根据权利要求1所述的一种通过发泡整理制备防霉面料的方法,其特征在于,预处理过程为:首先将无机抗菌剂分散在异丙醇中得到分散液,超声处理20~30min后加热至60~70℃,然后向分散液中添加修饰剂反应30~90min,并伴以搅拌,最后经后处理得到改性无机抗菌剂,其中,异丙醇的质量为无机抗菌剂质量的30~80倍,修饰剂的质量为无机抗菌剂质量的2~6%。
5.根据权利要求1所述的一种通过发泡整理制备防霉面料的方法,其特征在于,溶剂为水,按质量浓度计,体系中各组分及其含量为:改性无机抗菌剂100~150g/L,有机抗菌剂0.0003~0.0006g/L,发泡剂1.5~5g/L,亲水柔软剂5~10g/L,分散剂2~5g/L,水余量。
6.根据权利要求5所述的一种通过发泡整理制备防霉面料的方法,其特征在于,发泡剂为阴离子型表面活性剂,或者为阴离子型表面活性剂和非离子表面活性剂的混合物,亲水柔软剂为亲水硅油柔软剂或有机硅柔软剂,分散剂为十二烷基硫酸钠或羧甲基纤维钠。
7.根据权利要求1所述的一种通过发泡整理制备防霉面料的方法,其特征在于,发泡采用搅拌的方式,具体过程为:先以300~500r/min的搅拌速度搅拌1~2min,再以1000~1500r/min的搅拌速度搅拌至发泡比为3~4;泡沫的粘度为5×10-3~20×10-3Pa·s;织物表面泡沫的涂覆量为100~300g/m2,干燥的温度为80~150℃。
8.根据权利要求1所述的一种通过发泡整理制备防霉面料的方法,其特征在于,发泡整理前还对织物进行喷墨印花,喷墨印花采用抗菌墨水,按重量份数计,抗菌墨水中各组分及其含量为:纳米氧化锌1~5份,纳米疏水二氧化硅20~40份,水性聚氨酯10~15份,分散剂2~5份,水25~45份。
9.根据权利要求8所述的一种通过发泡整理制备防霉面料的方法,其特征在于,抗菌墨水中,纳米氧化锌的平均粒径为20~50nm,纳米疏水二氧化硅的平均粒径为15~50nm,分散剂为丙三醇,织物表面抗菌墨水的负载量为150~300g/m2。
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