CN112538769B - 一种阻燃染色针织织物的修色工艺 - Google Patents

一种阻燃染色针织织物的修色工艺 Download PDF

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CN112538769B
CN112538769B CN202011439624.5A CN202011439624A CN112538769B CN 112538769 B CN112538769 B CN 112538769B CN 202011439624 A CN202011439624 A CN 202011439624A CN 112538769 B CN112538769 B CN 112538769B
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陶玉忠
王晓晨
朱红亚
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Xinxiang Xinxing Special Fabric Co ltd
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Abstract

本发明公开了一种阻燃染色针织织物的修色工艺,其具体步骤为:阻燃处理后的染色针织织物进溢流机水洗→针织定型机针织织物烘干→针织定型机针织织物均匀浸轧渗透剂烘干→针织定型机针织织物均匀浸轧活性染料烘干→溢流机准备固色液→均匀浸轧活性染料后的阻燃染色针织织物进溢流机饱和吸收固色液→升温固色→洗除浮色→定型烘干。本发明的修色工艺可以在一定范围内将阻燃后的染色针织织物的染色深度提升,不但可以将阻燃染色针织织物色光修亮,而且可以有效保证修色后的阻燃染色针织织物水洗色牢度及外观品质。

Description

一种阻燃染色针织织物的修色工艺
技术领域
本发明属于织物修色工艺技术领域,具体涉及一种阻燃染色针织织物的修色工艺。
背景技术
阻燃过程中染色织物接触阻燃剂、氨气、双氧水等酸性、碱性、氧化性强的化学物质会对织物上的染料产生影响,导致染料结构及发色活性基团发生变化,同时阻燃处理工艺条件如温度、时间、浓度、含潮、氨流量以及环境的温度、湿度等因素波动,使阻燃染色织物不可避免的产生色变。针织织物由于组织结构疏松,并且多采用本光染色,染料的键合牢度相对较差,染色针织织物在阻燃处理过程中更容易受到各种因素的影响,因而产生色变的可能性也会更大。当阻燃后的染色针织织物色光偏离原样精神、不符合阻燃前做色样变化趋势,只有通过阻燃后修色才能达到客户要求。
阻燃染色针织织物的修色存在较高的风险,目前同行业采用的阻燃后染色针织织物修色方法如下:1、半工艺修色方法,即通过针织织物拉幅定型时浸轧活性染料来达到修正色光目的。实践证明,此方法微量调整色光可行,浸轧活性染料的用量需要控制在≤0.3g/L以下,否则修色后的面料会因水洗色牢度差而无法正常交货。并且,此修色方法仅仅限于微量调整色光,如果针织织物阻燃后变浅较多或者变暗了都不能采用此方法进行修色,修不深也修不亮,原因是浸轧的活性染料只是机械附着在阻燃后的针织织物表面,并未与织物纤维发生键合反应,因而不能使得阻燃后的染色针织织物颜色增深,也不能发色变亮。2、阻燃后的针织织物进溢流机全工艺浸染修色方法,此种方法修色的风险更大,容易产生色花、色条、色斑以及过渡色,将原本是一等品的布面回修成降等布面,其原因是染色针织织物经过阻燃整理后由于阻燃剂交联沉积在针织织物纤维上、包覆着纤维导致代表渗透性的毛细管效应降低,会阻碍水分子及染料分子与织物纤维接触,使染料不易被针织织物纤维吸附,隔离作用导致染料无法接触针织织物纤维进行键合上染,水洗过程中会有大量染料被洗去,造成染料浪费同时造成污水处理环保压力,并且修色深度也上不去。同时,由于阻燃工艺条件的波动性和不完全均一性,沉积、交联、包覆针织织物纤维的阻燃剂微观上并非完全均匀包覆针织织物纤维,造成染料分子即便被吸附在微观上也是局部不均匀吸附,不均匀吸附的染料分子通过反应固着在针织织物纤维上,形成色花等次品,从而造成降等。
目前,阻燃后染色针织织物修色是很有技术难度的工作,故需要研制一种专门针对阻燃染色针织织物的修色工艺,不但可以将阻燃色光变暗的染色针织织物修亮,而且可以将阻燃变浅的染色针织织物修深,同时修色后的阻燃染色针织织物水洗色牢度要好,最主要的是修色后的针织织物外观布面不能出现色花、过渡色等次品导致降等。而本发明可以将阻燃后染色针织织物的回修色光问题有效解决,可以完成阻燃后的染色针织织物修亮、修深且能够有效保证针织织物水洗色牢度,同时能有效保证阻燃染色针织织物布面不出现色花等降等疵点的优势。
发明内容
本发明解决的技术问题是提供了一种能够有效将阻燃后染色针织织物色光修亮、修深且能够保证修色后针织织物水洗色牢度及外观品质的阻燃染色针织织物的修色工艺。
本发明为解决上述技术问题采用如下技术方案,一种阻燃染色针织织物的修色工艺,其特征在于具体步骤为:阻燃处理后的染色针织织物进溢流机水洗→针织定型机针织织物烘干→针织定型机针织织物均匀浸轧渗透剂烘干→针织定型机针织织物均匀浸轧活性染料烘干→溢流机准备固色液→均匀浸轧活性染料后的阻燃染色针织织物进溢流机饱和吸收固色液→升温固色→洗除浮色→定型烘干,其中均匀浸轧活性染料后的阻燃染色针织织物进溢流机饱和吸收固色液及升温固色的具体过程为:将染液30-50L、元明粉50-100Kg、纯碱10-14Kg和匀染剂0.6-1Kg依次加入溢流机,按照浴比1:10补水至液位4000L并运转10-30min,向溢流机中进均匀浸轧活性染料后的阻燃染色针织织物并运转10-30min,随后向溢流机中加入纯碱25-30Kg并运转10-30min,然后以0.6-1℃/min的升温速率升温至60-70℃并保温固色40-80min完成修色过程。
优选的,所述均匀浸轧活性染料后的阻燃染色针织织物进溢流机饱和吸收固色液及升温固色的具体过程为:将染液40L、元明粉60Kg、纯碱12Kg和匀染剂0.8Kg依次加入溢流机,再按照浴比1:10补水至液位4000L并运转20min,其中染液与针织定型机针织织物均匀浸轧活性染料过程的染液组成一致,向溢流机中进均匀浸轧活性染料后的阻燃染色针织织物并运转20min,随后向溢流机中加入纯碱28Kg并运转20min,然后以0.8℃/min的升温速率升温至65℃并保温固色60min完成修色过程。
优选的,所述匀染剂为活性匀染剂723-100%,所述染液中含有0.1-10g/L活性染料及1-3g/L防泳移剂TM。
优选的,所述阻燃处理后的染色针织织物进溢流机水洗的具体过程为:将阻燃处理后的染色针织织物进溢流机水洗,溢流机溶液中含有0.5-1g/L的渗透剂、浴比1:10、温度65℃、时间30min,用于有效增加阻燃染色针织织物的渗透性,提高毛效的均匀性,以达到后续针织定型机针织织物均匀浸轧活性染料时针织织物能够均匀吸附活性染料,进而有效减少因毛效差、渗透不均匀而造成的色花。
优选的,所述针织定型机针织织物均匀浸轧渗透剂烘干的具体过程为:将溢流机水洗后的阻燃染色针织织物在针织定型机上浸轧2-4g/L的渗透剂烘干,用于进一步提高针织织物毛效的均匀性,以达到后续针织定型机针织织物均匀浸轧活性染料时针织织物能够均匀吸附活性染料。
优选的,所述渗透剂为非离子渗透剂A-113。
优选的,所述针织定型机针织织物均匀浸轧活性染料烘干的具体过程为:配制含有0.1-10g/L活性染料及1-3g/L防泳移剂TM的染液,将均匀浸轧渗透剂的针织织物在针织定型机上均匀浸轧上述染液,轧余率95%-100%,初开车轧槽冲水5-8L,烘干温度90-140℃由低到高。
优选的,所述防泳移剂TM的主要成分为丙烯酸系共聚溶液。
优选的,所述洗除浮色及定型烘干的具体过程为:将升温固色后的阻燃染色针织织物70℃水洗2缸,再加入10Kg冰醋酸中和并65℃水洗1缸,冷水洗1缸,最后从溢流机出布并于150℃烘干即完成阻燃染色针织织物的修色过程。
本发明在浸轧染料前的阻燃针织织物的毛效、渗透性尽量要好,如果浸轧染料烘干时发现针织织物布面已出现色花,则无须固色,需进溢流机用清水洗去浸轧的浮色,重新增加渗透性;固色液使用的促染剂元明粉、固色剂纯碱可分两次加入,避免固色条件过于强烈产生条花,即先加入1/3纯碱和全部的元明粉而后进布,运转一定时间待吸附均匀再加入剩余纯碱升温固色。
本发明与现有技术相比具有以下有益效果:本发明设计的阻燃针织布修色方法属于活性染料全工艺染色方法,是一种组合式的创新修色工艺。通过针织定型机均匀浸轧活性染料烘干,溢流机饱和吸收固色液使染料固着的工艺来实现阻燃染色针织织物修色目的;具有工艺流程组合创新、染色理念创新的意义,通过这种修色工艺可以在一定范围内将阻燃后染色针织织物的染色深度提升,不但可以将色光修亮,而且可以保证水洗色牢度。同时,可以非常有效的避免阻燃染色针织织物修色产生的色花、布面不均匀等疵点。经实践应用效果很好,有效解决了染色针织织物阻燃后修色难的问题。
本发明修色前对阻燃染色针织织物先预处理,以提高阻燃后染色针织织物的毛效均匀性,减轻布匹上的阻燃剂对准备上染与纤维键合的染料的隔离作用,并使针织织物毛效均匀,为活性染料的均匀上染创造优良的前提条件,可以有效解决修色不深、不亮的问题,部分解决修色不匀、修色易花的问题;同时本发明将容易产生不均匀上染的活性染料吸附上染方法(溢流浸染方法)改为在针织定型机上机械均匀浸轧活性染料,使得活性染料均匀分布在针织织物布面上,来替代常规的吸附上染方法,进而可以有效解决阻燃染色针织织物修色易色花的问题。
具体实施方式
以下通过实施例对本发明的上述内容做进一步详细说明,但不应该将此理解为本发明上述主题的范围仅限于以下的实施例,凡基于本发明上述内容实现的技术均属于本发明的范围。
阻燃后染色针织织物进溢流机水洗→针织定型机针织织物烘干→针织定型机针织织物均匀浸轧渗透剂烘干→针织定型机针织织物均匀浸轧活性染料烘干→溢流机准备固色液→均匀浸轧活性染料后的阻燃染色针织织物进溢流机饱和吸收固色液→升温固色→洗除浮色→定型烘干。
各流程工艺条件说明及参数:
阻燃后的染色针织织物由于包覆原理毛效降低,进溢流机水洗目的是增加阻燃处理后染色针织织物的渗透性,进而提高毛效均匀性,以达到浸轧活性染料时能够实现针织织物均匀吸附活性染料,可减少因毛效差、渗透不均匀造成的色花。具体工艺参数:非离子渗透剂A-113 0.5-1g/L、浴比1:10、温度65℃、时间30min。
针织定型机针织织物均匀浸轧渗透剂烘干:将溢流机水洗后的阻燃染色针织织物在针织定型机烘干后再浸轧2-4g/L的渗透剂烘干,用于进一步提高针织织物毛效均匀性,以达到后续针织定型机针织织物均匀浸轧活性染料时针织织物能够均匀吸附活性染料。
针织定型机针织织物均匀浸轧活性染料烘干:浸轧用染液中活性染料的含量为0.1-10g/L和防泳移剂TM的含量为2g/L、轧余率95%-100%、初开车轧槽冲水5-8L、烘干温度90-140℃由低到高。
均匀浸轧活性染料后的阻燃染色针织织物进溢流机饱和吸收固色液、升温固色及水洗工艺:将染液40L、元明粉60Kg、纯碱12Kg和匀染剂0.8Kg依次加入溢流机,再按照浴比1:10补水至液位4000L并运转20min,向溢流机中进均匀浸轧活性染料后的阻燃染色针织织物并运转20min,随后向溢流机中加入纯碱28Kg并运转20min,然后以0.8℃/min的升温速率升温至65℃并保温固色60min,然后排液,水洗洗除浮色,并用少量冰醋酸中和pH值为中性方可从溢流机出布。
实施例1
品种:全棉40支精梳220g深蓝棉毛 400Kg/缸
修色原因:阻燃色光暗黄
修色工艺:
1、进溢流机水洗:非离子渗透剂A-113 2500g、液位4000L、温度65℃、时间30min;
2、针织定型机烘干:将溢流机水洗后的阻燃染色针织织物在针织定型机上烘干
3、针织定型机均匀浸轧渗透剂烘干:浸轧3g/L的非离子渗透剂A-113,烘干温度150℃、落布幅宽167cm;
4、针织定型机均匀浸轧活性染料烘干:
染液用料组成:
活性艳兰LES 3g/L
活性深蓝LB-2GLN 1g/L
防泳移剂TM 2g/L
轧余率95%-100%、初开车轧槽冲水5-8L、烘干温度:90℃、90℃、100℃、120℃、120℃、140℃、140℃、140℃;
4、溢流机准备固色液:
固色液用料组成:
元明粉 80Kg
纯碱 40Kg
活性匀染剂723-100% 0.8Kg
染液 40L
浴比1:10 液位4000L
具体工艺过程:将染液40L、元明粉80Kg、纯碱12Kg和活性匀染剂723-100% 0.8Kg依次加入溢流机,再按照浴比1:10补水至液位4000L并运转20min,进均匀浸轧活性染料后的阻燃染色针织织物并运转20min,随后加入纯碱28Kg并运转20min,然后以0.8℃/min的升温速率升温到65℃并保温固色60min,70℃水洗2缸,再加入10Kg冰醋酸中和并65℃水洗1缸,冷水洗1缸;
5、定型烘干:温度150℃
通过上述修色工艺可以在一定范围内将阻燃后染色针织织物的染色深度提升,不但可以将色光修亮,而且可以保证阻燃染色针织织物的水洗色牢度和外观品质。
以上显示和描述了本发明的基本原理,主要特征和优点,在不脱离本发明精神和范围的前提下,本发明还有各种变化和改进,这些变化和改进都落入要求保护的本发明的范围。

Claims (4)

1.一种阻燃染色针织织物的修色工艺,其特征在于具体步骤为:阻燃处理后的染色针织织物进溢流机水洗→针织定型机针织织物均匀浸轧渗透剂烘干→针织定型机针织织物均匀浸轧活性染料烘干→溢流机准备固色液→均匀浸轧活性染料后的阻燃染色针织织物进溢流机饱和吸收固色液→升温固色→洗除浮色→定型烘干,其中均匀浸轧活性染料后的阻燃染色针织织物进溢流机饱和吸收固色液及升温固色的具体过程为:将染液30-50L、元明粉50-70Kg、纯碱10-14Kg和匀染剂0.6-1Kg依次加入溢流机,补水至液位4000L并运转10-30min,按照浴比1:10向溢流机中进均匀浸轧活性染料后的阻燃染色针织织物并运转10-30min,随后向溢流机中加入纯碱25-30Kg并运转10-30min,然后以0.6-1℃/min的升温速率升温至60-70℃并保温固色40-80min完成修色过程,所述匀染剂为活性匀染剂723-100%,所述染液中含有0.1-10g/L的活性染料及1-3g/L的防泳移剂TM2,所述防泳移剂TM2的主要成分为丙烯酸系共聚溶液;
所述阻燃处理后的染色针织织物进溢流机水洗的具体过程为:将阻燃处理后的染色针织织物进溢流机水洗,溢流机溶液中含有0.5-1g/L的渗透剂、浴比1:10、温度65℃、时间30min,用于有效增加阻燃染色针织织物的渗透性,提高毛效均匀性,以达到后续针织定型机针织织物均匀浸轧活性染料时针织织物能够均匀吸附活性染料,进而有效减少因毛效差、渗透不均匀而造成的色花;
所述针织定型机针织织物均匀浸轧渗透剂烘干的具体过程为:将溢流机水洗后的阻燃染色针织织物在针织定型机上浸轧2-4g/L的渗透剂烘干,用于进一步提高针织织物毛效均匀性,以达到后续针织定型机针织织物均匀浸轧活性染料时针织织物能够均匀吸附活性染料;
所述针织定型机针织织物均匀浸轧活性染料烘干的具体过程为:配制含有0.1-10g/L活性染料及1-3g/L防泳移剂TM2的染液,将均匀浸轧渗透剂的针织织物在针织定型机上均匀浸轧上述染液,轧余率95%-100%,初开车轧槽冲水5-8L,烘干温度90-140℃由低到高。
2.根据权利要求1所述的阻燃染色针织织物的修色工艺,其特征在于所述均匀浸轧活性染料后的阻燃染色针织织物进溢流机饱和吸收固色液及升温固色的具体过程为:将染液40L、元明粉60Kg、纯碱12Kg和匀染剂0.8Kg依次加入溢流机,补水至液位4000L并运转20min,其中染液与针织定型机针织织物均匀浸轧活性染料过程的染液组成一致,再按照浴比1:10向溢流机中进均匀浸轧活性染料后的阻燃染色针织织物并运转20min,随后向溢流机中加入纯碱28Kg并运转20min,然后以0.8℃/min的升温速率升温至65℃并保温固色60min完成修色过程。
3.根据权利要求1所述的阻燃染色针织织物的修色工艺,其特征在于:所述渗透剂为非离子渗透剂A-113。
4.根据权利要求1所述的阻燃染色针织织物的修色工艺,其特征在于所述洗除浮色及定型烘干的具体过程为:将升温固色后的阻燃染色针织织物70℃水洗2缸,再加入10Kg冰醋酸中和并65℃水洗1缸,冷水洗1缸,最后从溢流机出布并于150℃烘干即完成阻燃染色针织织物的修色过程。
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