CN112301759A - 一种特氟龙涤纶面料的染色工艺 - Google Patents
一种特氟龙涤纶面料的染色工艺 Download PDFInfo
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Abstract
本发明公开了一种特氟龙涤纶面料的染色工艺,涉及纺织品染色技术领域,本发明通过所述染液的制备和超声波染色,对特氟龙涤纶面料实现高效染色,不仅可以提高染料的利用率,还可以保证染色效果,色牢度强,并且可以对涤纶面料表面的特氟龙涂层起到保护作用,从而使特氟龙涂层正常发挥防水防油防污的功能,优化涤纶面料的功能性,以作为功能面料而应用于功能性纺织制品的加工。
Description
技术领域:
本发明涉及纺织品染色技术领域,具体涉及一种特氟龙涤纶面料的染色工艺。
背景技术:
特氟龙涤纶面料是指在涤纶上加工有特氟龙涂层的面料,这种面料具有防水防油防污的功能,因此也称特氟龙三防面料。并且,特氟龙涤纶面料还具有优良的耐热和耐低温特性,相比于常规涤纶面料来说,这种面料属于功能性面料。
由于特氟龙涤纶面料已在涤纶面料上附着特氟龙涂层,因此在染色时需要考虑染料与特氟龙涂层的结合力,而不是仅考虑染料与涤纶纤维的结合力。针对特氟龙涤纶面料的特殊表面结构和性质,本发明开发出一种特氟龙涤纶面料的染色工艺,通过染液成分的控制和染色工艺的配合来保证染色效果。
发明内容:
本发明所要解决的技术问题在于提供一种特氟龙涤纶面料的染色工艺,通过染液成分的控制和超声波染色的配合,不仅实现了高效染色,还能提高染色效果,保证面料的使用质量。
本发明所要解决的技术问题采用以下的技术方案来实现:
一种特氟龙涤纶面料的染色工艺,包括以下具体步骤:
(1)染液的配制:向水中加入分散染料、木质素磺酸钠、N-羟甲基丙烯酰胺和渗透剂,搅拌分散均匀,并滴加氢氧化钠溶液调节pH值至8-9,得到染液;
(2)超声波染色:将特氟龙涤纶面料投入步骤(1)制备的染液中,升温染色,当温度达到75-85℃时滴加吡啶,在超声波下保温处理,然后滴加引发剂,继续在超声波下保温处理,取出面料,水洗,烘干面料;
(3)固色:将经步骤(2)染色后的面料进行加热固色,水洗,还原清洗,再水洗,烘干面料。
本发明的染色原理:
N-羟甲基丙烯酰胺结构中含有的羟基与聚四氟乙烯结构中含有的氟基发生反应,从而将丙烯酰胺甲醚结构接枝到聚四氟乙烯分子上;通过滴加吡啶使反应生成的氟化氢形成氟化氢-吡啶络合物,从而促进N-羟甲基丙烯酰胺与聚四氟乙烯的反应。丙烯酰胺甲醚结构再在引发剂作用下发生聚合反应生成丙烯酰胺甲醚聚合物,该聚合物的成膜性可以实现对分散染料的固定,提高染料的上染率和色牢度。
所述染液中包含1-5%owf分散染料、5-20g/L木质素磺酸钠、10-30g/L N-羟甲基丙烯酰胺和1-10g/L渗透剂。
所述吡啶的摩尔用量为N-羟甲基丙烯酰胺摩尔用量的1-1.05倍。
所述引发剂为过硫酸钾或者过硫酸铵,质量用量为N-羟甲基丙烯酰胺质量用量的1-5%。
所述染色的浴比为1:20-30。
所述加热固色的温度为115-125℃,时间为10-30min。
所述水洗采用自来水进行水洗。
所述还原清洗所用清洗液由2-5g/L保险粉和1-3g/L小苏打加水配制而成。
所述还原清洗的浴比为1:30-50。通过还原清洗以除去纤维表面的分散染料,提高色牢度,避免这些浮色造成牢度过差。
所述面料的烘干温度为60-80℃。
本发明的有益效果是:本发明通过所述染液的制备和超声波染色,对特氟龙涤纶面料实现高效染色,不仅可以提高染料的利用率,还可以保证染色效果,色牢度强,并且可以对涤纶面料表面的特氟龙涂层起到保护作用,从而使特氟龙涂层正常发挥防水防油防污的功能,优化涤纶面料的功能性,以作为功能面料而应用于功能性纺织制品的加工。
具体实施方式:
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1
(1)染液的配制:向水中加入4%owf分散黄114、10g/L木质素磺酸钠、20g/L N-羟甲基丙烯酰胺和2.5g/L渗透剂JFC-4,搅拌分散均匀,并滴加氢氧化钠溶液调节pH值至8-9,得到染液;
(2)超声波染色:将特氟龙涤纶面料投入步骤(1)制备的染液中,浴比为1:25,升温染色,当温度达到80℃时滴加吡啶,在超声波下保温处理45min,然后滴加过硫酸钾,继续在超声波下保温处理45min,取出面料,水洗,在70℃下烘干面料;
(3)固色:将经步骤(2)染色后的面料进行加热固色,固色温度为120℃,固色时间为20min,水洗,还原清洗,清洗液由4g/L保险粉和2.5g/L小苏打加水配制而成,还原清洗的浴比为1:35,再水洗,在70℃下烘干面料。
其中,吡啶的摩尔用量为N-羟甲基丙烯酰胺摩尔用量的1.02倍,过硫酸钾的质量用量为N-羟甲基丙烯酰胺质量用量的3.5%。
实施例2
(1)染液的配制:向水中加入4%owf分散黄114、10g/L木质素磺酸钠、25g/L N-羟甲基丙烯酰胺和2.5g/L渗透剂JFC-4,搅拌分散均匀,并滴加氢氧化钠溶液调节pH值至8-9,得到染液;
(2)超声波染色:将特氟龙涤纶面料投入步骤(1)制备的染液中,浴比为1:25,升温染色,当温度达到80℃时滴加吡啶,在超声波下保温处理45min,然后滴加过硫酸钾,继续在超声波下保温处理45min,取出面料,水洗,在70℃下烘干面料;
(3)固色:将经步骤(2)染色后的面料进行加热固色,固色温度为120℃,固色时间为20min,水洗,还原清洗,清洗液由4g/L保险粉和2.5g/L小苏打加水配制而成,还原清洗的浴比为1:35,再水洗,在70℃下烘干面料。
其中,吡啶的摩尔用量为N-羟甲基丙烯酰胺摩尔用量的1.02倍,过硫酸钾的质量用量为N-羟甲基丙烯酰胺质量用量的3.5%。
实施例3
(1)染液的配制:向水中加入4%owf分散黄114、10g/L木质素磺酸钠、20g/L N-羟甲基丙烯酰胺和2.5g/L渗透剂JFC-4,搅拌分散均匀,并滴加氢氧化钠溶液调节pH值至8-9,得到染液;
(2)超声波染色:将特氟龙涤纶面料投入步骤(1)制备的染液中,浴比为1:30,升温染色,当温度达到80℃时滴加吡啶,在超声波下保温处理45min,然后滴加过硫酸钾,继续在超声波下保温处理45min,取出面料,水洗,在70℃下烘干面料;
(3)固色:将经步骤(2)染色后的面料进行加热固色,固色温度为120℃,固色时间为15min,水洗,还原清洗,清洗液由4g/L保险粉和2.5g/L小苏打加水配制而成,还原清洗的浴比为1:35,再水洗,在70℃下烘干面料。
其中,吡啶的摩尔用量为N-羟甲基丙烯酰胺摩尔用量的1.02倍,过硫酸钾的质量用量为N-羟甲基丙烯酰胺质量用量的3.5%。
对比例1
本对比例是将实施例1中的N-羟甲基丙烯酰胺替换为丙烯酰胺,其余完全同实施例1。
(1)染液的配制:向水中加入4%owf分散黄114、10g/L木质素磺酸钠、20g/L丙烯酰胺和2.5g/L渗透剂JFC-4,搅拌分散均匀,并滴加氢氧化钠溶液调节pH值至8-9,得到染液;
(2)超声波染色:将特氟龙涤纶面料投入步骤(1)制备的染液中,浴比为1:25,升温染色,当温度达到80℃时滴加过硫酸钾,在超声波下保温处理45min,取出面料,水洗,在70℃下烘干面料;
(3)固色:将经步骤(2)染色后的面料进行加热固色,固色温度为120℃,固色时间为20min,水洗,还原清洗,清洗液由4g/L保险粉和2.5g/L小苏打加水配制而成,还原清洗的浴比为1:35,再水洗,在70℃下烘干面料。
其中,吡啶的摩尔用量为丙烯酰胺摩尔用量的1.02倍,过硫酸钾的质量用量为丙烯酰胺质量用量的3.5%。
对比例2
本对比例是将实施例1中的N-羟甲基丙烯酰胺去掉,其余完全同实施例1。
(1)染液的配制:向水中加入4%owf分散黄114、10g/L木质素磺酸钠和2.5g/L渗透剂JFC-4,搅拌分散均匀,并滴加氢氧化钠溶液调节pH值至8-9,得到染液;
(2)超声波染色:将特氟龙涤纶面料投入步骤(1)制备的染液中,浴比为1:25,升温染色,当温度达到80℃时在超声波下保温处理90min,取出面料,水洗,在70℃下烘干面料;
(3)固色:将经步骤(2)染色后的面料进行加热固色,固色温度为120℃,固色时间为20min,水洗,还原清洗,清洗液由4g/L保险粉和2.5g/L小苏打加水配制而成,还原清洗的浴比为1:35,再水洗,在70℃下烘干面料。
采用722S可见分光光度仪在最大吸收波长处测定染液的吸光度,计算上染率,上染率=(1-I/I0)×100,I为染色后残液吸光度,I0为染液初始浓度吸光度。
采用Datacolor SF600X分光测色仪测定K/S值。
按照GB/T 3920-2008测定耐摩擦色牢度。
测定结果见表1。
上染率/% | K/S值 | 耐干摩擦色牢度/级 | 耐湿摩擦色牢度/级 | |
实施例1 | 81.9 | 9.14 | 5 | 5 |
实施例2 | 83.6 | 9.73 | 5 | 5 |
实施例3 | 80.2 | 8.95 | 5 | 5 |
对比例1 | 74.5 | 8.32 | 4-5 | 4 |
对比例2 | 69.3 | 7.64 | 4-5 | 4 |
从上表可以看出,实施例通过在染液中添加N-羟甲基丙烯酰胺的方式,可以显著提高上染率,色牢度强。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (10)
1.一种特氟龙涤纶面料的染色工艺,其特征在于:包括以下具体步骤:
(1)染液的配制:向水中加入分散染料、木质素磺酸钠、N-羟甲基丙烯酰胺和渗透剂,搅拌分散均匀,并滴加氢氧化钠溶液调节pH值至8-9,得到染液;
(2)超声波染色:将特氟龙涤纶面料投入步骤(1)制备的染液中,升温染色,当温度达到75-85℃时滴加吡啶,在超声波下保温处理,然后滴加引发剂,继续在超声波下保温处理,取出面料,水洗,烘干面料;
(3)固色:将经步骤(2)染色后的面料进行加热固色,水洗,还原清洗,再水洗,烘干面料。
2.根据权利要求1所述的特氟龙涤纶面料的染色工艺,其特征在于:所述染液中包含1-5%owf分散染料、5-20g/L木质素磺酸钠、10-30g/L N-羟甲基丙烯酰胺和1-10g/L渗透剂。
3.根据权利要求1所述的特氟龙涤纶面料的染色工艺,其特征在于:所述吡啶的摩尔用量为N-羟甲基丙烯酰胺摩尔用量的1-1.05倍。
4.根据权利要求1所述的特氟龙涤纶面料的染色工艺,其特征在于:所述引发剂为过硫酸钾或者过硫酸铵,质量用量为N-羟甲基丙烯酰胺质量用量的1-5%。
5.根据权利要求1所述的特氟龙涤纶面料的染色工艺,其特征在于:所述染色的浴比为1:20-30。
6.根据权利要求1所述的特氟龙涤纶面料的染色工艺,其特征在于:所述加热固色的温度为115-125℃,时间为10-30min。
7.根据权利要求1所述的特氟龙涤纶面料的染色工艺,其特征在于:所述水洗采用自来水进行水洗。
8.根据权利要求1所述的特氟龙涤纶面料的染色工艺,其特征在于:所述还原清洗所用清洗液由2-5g/L保险粉和1-3g/L小苏打加水配制而成。
9.根据权利要求1所述的特氟龙涤纶面料的染色工艺,其特征在于:所述还原清洗的浴比为1:30-50。
10.根据权利要求1所述的特氟龙涤纶面料的染色工艺,其特征在于:所述面料的烘干温度为60-80℃。
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