CN116356556A - 耐久型防泼水锦纶织物的制备方法及其制备得到的织物 - Google Patents
耐久型防泼水锦纶织物的制备方法及其制备得到的织物 Download PDFInfo
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Abstract
本发明公开了一种耐久型防泼水锦纶织物的制备方法及其制备得到的织物,制备方法包括:(1)弱碱性超细喷雾处理锦纶梭织面料;(2)等离子清洗处理活化织物表面;(3)对活化后的织物进行防泼水后整理得到耐久型防泼水锦纶织物。本发明制备的耐久型防泼水锦纶织物具有手感优良、防泼水耐久等突出特性。与直接防泼水后整理或者常规等离子清洗处理相比,本发明中耐久型防泼水锦纶织物的防泼水性能和耐久性显著提高,防泼水等级可以达到5级,水洗50次或者折皱试验1000次后防泼水等级仍能达到4级。
Description
技术领域
本发明涉及纺织品后整理技术领域,尤其是涉及一种耐久型防泼水锦纶织物制备方法及其制备得到的织物。
背景技术
随着科学技术的发展、社会的进步及生活水平的提高,人们对生活质量的要求越来越高。纺织品已经从遮体御寒的基本功能延伸到美观、舒适、时尚、保护等功能,同样户外服装已经从防风、御寒的基本功能延伸到防泼水、透气、透湿、防风等功能,人们的消费理念也逐步从简单的适用向保健、环保、多功能发展,各种智能化、功能化的纺织品得到广泛关注与发展,这对高性能服装的开发提出了新的要求和挑战。
对织物进行防泼水整理的现有技术中,大多都是在后整理工序中通过浸轧防水整理液,使得织物表面形成一层疏水保护膜,来实现织物的防水效果。为了让织物纤维和疏水保护膜之间能够紧密结合,往往需要在整理液中加入催化纤维和整理液反应的增效剂,并需要在高达170℃的高温下进行烘焙,高温或长时间对织物进行烘焙会使织物的手感变硬。总之,现有的后整理方式影响了织物手感,且防泼水耐久性差、不耐水洗,影响了防泼水纺织品的进一步推广使用。有鉴于此,需要研发一种耐久型防泼水织物来满足消费者需求。
发明内容
为了解决现有技术存在的问题,本发明提供了一种耐久型防泼水锦纶织物制备方法及其制备得到的织物,通过利用等离子设备对纺织品进行防泼水处理,解决现有涂层纺织品存在的主要问题。
为实现上述目的,本发明采取的技术方案是一种耐久型防泼水锦纶织物制备方法,包括以下步骤:
织物预处理,将弱碱性溶液雾化后喷洒在锦纶织物表面;
等离子处理,对预处理后的织物进行等离子处理得到表面活化织物;
防泼水整理,采用防泼水整理液通过一浸一轧工艺对织物进行防泼水整理;以及
烘干定型,烘干定型后得到耐久型防泼水织物。
于本发明一实施例中,所述弱碱性溶液的pH为8~11,所述弱碱性溶液为氨水、氢氧化钠、碳酸氢钠、碳酸钠水溶液中的一种或者多种的混合。
于本发明一实施例中,雾化后的雾滴直径为2-7μm,喷雾量300-900μL/m2织物,喷雾距离5-10cm。
于本发明一实施例中,等离子处理的功率为750-1000W,等离子频率为18-25kHz,等离子处理过程在室温、空气氛围中。等离子处理可活化织物表面,获得活性官能团,更利于后续整理加工,提高结合牢度。目前低压等离子纳米涂层技术主要应用在印刷电路板上对其进行去污,而等离子清洗防泼水处理方面,本发明利用等离子设备对纺织品进行防泼水处理,解决现有涂层纺织品存在的主要问题。
于本发明一实施例中,等离子探头与织物上表面距离为2-4cm,持续处理10-30s。
于本发明一实施例中,所述防泼水整理液的配制包括以下步骤:
1)称取一定质量的乙酸溶于去离子水中,搅拌均匀,得到质量分数为5%~60%的乙酸水溶液;
2)将步骤1)的乙酸水溶液置于容器中,并在搅拌速度≤60rpm的条件下进行搅拌,同时往容器中以5-20mL/min的滴加速度滴加C6防泼水剂原液,得到pH=3.0~5.0的C6防泼水剂整理液;其中,C6防泼水剂原液与乙酸的质量比为(30-50):(5-60)。
于本发明一实施例中,一浸一轧工艺中,轧液率为60-80%。
于本发明一实施例中,烘干定型是在140-160℃下烘干1~5min,170℃下烘焙0.5-1min。
所述的制备方法制备得到的耐久型防泼水织物。
本技术方案具有以下有益效果:
1.弱碱性水预处理大幅增加了织物活化后的表面官能度,更有利于后续整理加工,提高结合牢度;
2.弱碱性水预处理避免了等离子处理时因离子束能量过高而导致的织物手感变硬、边缘翘曲等问题,能够大幅改善织物手感。
3.制备工艺连续可控、不影响生产效率的同时极大提高织物手感和防泼水耐久性。
附图说明
图1是本发明一实施例中耐久型防泼水锦纶织物的制备过程示意图;
图2是本发明实施例1不同放大倍数下锦纶织物在等离子处理前后的SEM图;
图3是本发明锦纶织物在等离子处理前后的FTIR图;
图4是本发明一实施例中耐久型防泼水锦纶织物与未经处理坯布的防泼水效果对比图。
具体实施方式
下面结合实施例及附图1至4对本发明作进一步描述。
锦纶纤维是合成纤维中吸湿性最好的纤维品种,而且强度高,耐冲击,被广泛应用于产业纺织品、装饰面料和服装面料中,如帘子布、绳索、降落伞、运动衣、羽绒服、军服、户外服装面料等。锦纶织物是常用的纺织品之一,实施例以锦纶织物为例,公开了一种耐久型防泼水锦纶织物的制备方法。本发明的耐久防泼水处理工艺不仅限于锦纶织物的使用,凡是实施本发明的处理方式均在保护范围之内。
实施例1
一种耐久型防泼水锦纶织物的制备方法,包括以下步骤:
(1)弱碱性超细喷雾处理锦纶梭织面料;
(2)等离子清洗处理活化织物表面;
(3)对活化后的织物进行防泼水后整理得到耐久型防泼水锦纶织物。
其中,步骤(1)所述的弱碱性溶液为pH=8的氨水,超细喷雾处理时是在雾滴直径为2um、喷雾量300μL/m2织物条件下进行处理,而且喷雾距离为5cm。
进一步的,步骤(2)中,等离子处理的相关使用参数为:功率为800W,等离子频率为18kHz,等离子处理处理过程在室温、空气氛围中,等离子探头与织物上表面距离为4cm,持续处理10s。
再进一步的,步骤(3)中,防泼水整理液的配制过程包括以下步骤:
1)称取一定质量的乙酸溶于去离子水中,搅拌均匀,得到质量分数为30%的乙酸水溶液;
2)将步骤1)的乙酸水溶液置于容器中,并在搅拌速度≤60rpm的条件下进行搅拌,同时往容器中以15mL/min的滴加速度滴加C6防泼水剂原液,得到pH=3.0-5.0的C6防泼水剂整理液;其中,C6防泼水剂原液与乙酸的质量比为40:30。
更进一步的,将锦纶织物浸渍在防泼水整理剂中,采用一浸一轧工艺后对其进行烘干定型,得到耐久型防泼水锦纶织物。其中,轧液率为60%,烘干定型条件为:140℃下烘干3min,170℃下烘焙0.5min。
实施例2
一种耐久型防泼水锦纶织物的制备方法,包括以下步骤:
(1)弱碱性超细喷雾处理锦纶梭织面料;
(2)等离子清洗处理活化织物表面;
(3)对活化后的织物进行防泼水后整理得到耐久型防泼水锦纶织物。
其中,步骤(1)所述的弱碱性溶液为pH=10的碳酸钠水溶液,超细喷雾处理时是在雾滴直径为2um、喷雾量300μL/m2织物条件下进行处理,而且喷雾距离为5cm。
进一步的,步骤(2)中,等离子处理的相关使用参数为:功率为800W,等离子频率为18kHz,等离子处理处理过程在室温、空气氛围中,等离子探头与织物上表面距离为4cm,持续处理10s。
再进一步的,步骤(3)中,防泼水整理液的配制过程包括以下步骤:
1)称取一定质量的乙酸溶于去离子水中,搅拌均匀,得到质量分数为30%的乙酸水溶液;
2)将步骤1)的乙酸水溶液置于容器中,并在搅拌速度≤60rpm的条件下进行搅拌,同时往容器中以15mL/min的滴加速度滴加C6防泼水剂原液,得到pH=3.0-5.0的C6防泼水剂整理液;其中,C6防泼水剂原液与乙酸的质量比为40:30。
更进一步的,将锦纶织物浸渍在防泼水整理剂中,采用一浸一轧工艺后对其进行烘干定型,得到耐久型防泼水锦纶织物。其中,轧液率为60%,烘干定型条件为:140℃下烘干3min,170℃下烘焙0.5min。
实施例3
一种耐久型防泼水锦纶织物的制备方法,包括以下步骤:
(1)弱碱性超细喷雾处理锦纶梭织面料;
(2)等离子清洗处理活化织物表面;
(3)对活化后的织物进行防泼水后整理得到耐久型防泼水锦纶织物。
其中,步骤(1)所述的弱碱性溶液为pH=8的碳酸氢钠、碳酸钠水溶液混合液,超细喷雾处理时是在雾滴直径为2um、喷雾量300μL/m2织物条件下进行处理,而且喷雾距离为5cm。
进一步的,步骤(2)中,等离子处理的相关使用参数为:功率为800W,等离子频率为18kHz,等离子处理处理过程在室温、空气氛围中,等离子探头与织物上表面距离为4cm,持续处理10s。
再进一步的,步骤(3)中,防泼水整理液的配制过程包括以下步骤:
1)称取一定质量的乙酸溶于去离子水中,搅拌均匀,得到质量分数为30%的乙酸水溶液;
2)将步骤1)的乙酸水溶液置于容器中,并在搅拌速度≤60rpm的条件下进行搅拌,同时往容器中以15mL/min的滴加速度滴加C6防泼水剂原液,得到pH=3.0-5.0的C6防泼水剂整理液;其中,C6防泼水剂原液与乙酸的质量比为40:30。
更进一步的,将锦纶织物浸渍在防泼水整理剂中,采用一浸一轧工艺后对其进行烘干定型,得到耐久型防泼水锦纶织物。其中,轧液率为60%,烘干定型条件为:140℃下烘干3min,170℃下烘焙0.5min。
对比例1
与实施例1不同的是,锦纶梭织面料的后处理包括以下步骤:
(1)等离子清洗处理活化织物表面;
(2)对活化后的织物进行防泼水后整理得到耐久型防泼水锦纶织物,采用实施例1中的处防泼水整理液,都是经过稀释、调PH。
烘干定型后按照测试标准制备样品。
对比例2
与对比例1不同的是,直接使用防泼水后整理剂对织物进行后整理。烘干定型后按照测试标准制备样品。
对比例3
任意购买市面经过防水处理的锦纶梭织面料,该面料与本发明所用锦纶坯布参数一致,并按照测试标准制备样品。
性能测试
1.透气性
将实施例1-3及对比例1-3的产品,按照ISO9237:1995《纺织品织物透气性测定》,制备测试样品,并进行相关性能测试。
2.防泼水性
将实施例1-3及对比例1-3的产品,按照GB/T4745-2012纺织品防水性能的检测和评价沾水法测定。其中,达到5级的等级,试样表面没有水珠或润湿,则代表具有优异的抗沾湿性能。
经过测试,实施例1-3及对比例1-3的测试结果如下表所示。
表1相关产品性能检测结果
以上结果表明,本发明的处理工艺具有较好的耐久性和优异的防泼水性能,织物的防泼水等级可以达到5级,水洗50次或者折皱试验1000次后防泼水等级仍能达到较高的防泼水等级。结合图2-4,分析上表数据:
如图2所示,锦纶坯布处理前纤维表面有部分斑点和凸起(残留浆料、助剂等),等离子清洗处理后,纤维表面变得光滑、部分纤维表面出现微细纹路,说明等离子清洗处理可以去除纤维表面残留的浆料和助剂等物质,并起到一定的表面刻蚀作用。这有利于后续防泼水整理,提高整理剂结合牢度。结合图3可知,等离子处理活化了织物表面,织物表面获得了活化羟基(3300cm-1),从而有利于后续对织物的功能化整理(提高渗透性或者化学键合)。防泼水整理前后的宏观表现如图4所示,防泼水整理前,水滴在织物表面逐渐扩散、渗透织物;而经过防泼水处理后,水滴保持5min,仍未渗透织物,表现出优异的防泼水性能。
本发明通过使用C6防泼水剂(鲁道夫C6防水剂RUCO-GUARD AFC6)对锦纶面料做后整理。C6防泼水剂为含氟防水剂,含氟防水剂的作用原理氟碳表面活性剂能以极低的浓度显著地降低溶剂的表面张力,C6防泼水剂中的非极性基不仅有疏水性质而且独具疏油的性能。经过C6防泼水剂后整理的锦纶面料,即使在外界各种作用下也具有良好的抗水渗透能力,遇水产生荷叶效应,阻隔正常污渍进入锦纶面料内部,保护锦纶面料不被泼贱,起到优良的防泼水、防虹吸以及防尘污作用。
上述具体实施例只是用来解释说明本发明,而非对本发明进行限制,在本发明构思和权利要求保护范围内对本发明做出的任何不付出创造性劳动的改变和替换,皆落入本发明专利的保护范围。
Claims (9)
1.一种耐久型防泼水锦纶织物的制备方法,其特征在于,包括以下步骤:
织物预处理,将弱碱性溶液雾化后喷洒在锦纶织物表面;
等离子处理,对预处理后的织物进行等离子处理得到表面活化织物;
防泼水整理,采用防泼水整理液通过一浸一轧工艺对织物进行防泼水整理;以及
烘干定型,烘干定型后得到耐久型防泼水织物。
2.根据权利要求1所述的制备方法,其特征在于,所述弱碱性溶液的pH为8~11,所述弱碱性溶液为氨水、氢氧化钠、碳酸氢钠、碳酸钠水溶液中的一种或者多种的混合。
3.根据权利要求1所述的制备方法,其特征在于,雾化后的雾滴直径为2-7μm,喷雾量300-900μL/m2织物,喷雾距离5-10cm。
4.根据权利要求1所述的制备方法,其特征在于,等离子处理的功率为750-1000W,等离子频率为18-25kHz,等离子处理过程在室温、空气氛围中。
5.根据权利要求4所述的制备方法,其特征在于,等离子探头与织物上表面距离为2-4cm,持续处理10-30s。
6.根据权利要求1所述的制备方法,其特征在于,所述防泼水整理液的配制包括以下步骤:
1)称取一定质量的乙酸溶于去离子水中,搅拌均匀,得到质量分数为5%~60%的乙酸水溶液;
2)将步骤1)的乙酸水溶液置于容器中,并在搅拌速度≤60rpm的条件下进行搅拌,同时往容器中以5-20mL/min的滴加速度滴加C6防泼水剂原液,得到pH=3.0~5.0的C6防泼水剂整理液;其中,C6防泼水剂原液与乙酸的质量比为(30-50):(5-60)。
7.根据权利要求1所述的制备方法,其特征在于,一浸一轧工艺中,轧液率为60-80%。
8.根据权利要求1至7任一项所述的制备方法,其特征在于,烘干定型是在140-160℃下烘干1~5min,170℃下烘焙0.5-1min。
9.根据权利要求1至8任一项所述的制备方法制备得到的耐久型防泼水织物。
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