CN114517418A - 一种高染色度持久定型罗马布及其制备工艺 - Google Patents
一种高染色度持久定型罗马布及其制备工艺 Download PDFInfo
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- CN114517418A CN114517418A CN202210198931.1A CN202210198931A CN114517418A CN 114517418 A CN114517418 A CN 114517418A CN 202210198931 A CN202210198931 A CN 202210198931A CN 114517418 A CN114517418 A CN 114517418A
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- roman
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Abstract
本申请涉及罗马布制备技术领域,具体公开了一种高染色度持久定型罗马布及其制备工艺。本申请的高染色度持久定型罗马布的制备工艺,包括如下步骤:(1)纱线预处理:将纱线清洗、烘干,即得纱线一;(2)蒸汽定型:将纱线一进行蒸汽定型,即得纱线二;(3)编织:将纱线二织成坯布;(4)坯布预处理:将坯布清洗、烘干,即得坯布一;(5)坯布一染色:将坯布一放入染色液中进行染色,得到坯布二,染色液主要由如下原料制成:染料、水、染色助剂、固色剂、分散剂、匀染剂、氨基聚硅氧烷;(6)罗马布制备:将坯布二脱水、烘干、定型即得。本申请制得的罗马布上色率和色牢度均较佳。
Description
技术领域
本申请涉及罗马布制备技术领域,更具体地说,它涉及一种高染色度持久定型罗马布及其制备工艺。
背景技术
罗马布属纬编针织面料的一种,是通过双面大圆机编织而成的,罗马布是四路一个循环,布面没有普通双面布平整,略微有点轻微并不太规则的横条。面料横竖弹性都较好,但横向拉伸性能不如双面布,吸湿性强。用于制作贴身衣物,透气,柔软,穿着舒适。
现有的罗马布均采用氨纶和锦纶为原材料制成,在染色过程中,染色液不容易进入到坯布中,同时染料在坯布中的附着性较差,从而导致罗马布的染色度较差。
发明内容
为了提高罗马布的染色度,本申请提供一种高染色度持久定型罗马布及其制备工艺。
第一方面,本申请提供一种高染色度持久定型罗马布的制备工艺,采用如下的技术方案:
一种高染色度持久定型罗马布的制备工艺,包括如下步骤:
(1)纱线预处理:将纱线清洗、烘干,即得纱线一,其中纱线主要由如下重量比的原料制成:人造棉20-30%、黑涤纶包氨纶25-40%、锦纶8-10%、中空聚酯纤维20-25%、天然竹纤维2-5%、羊毛5-10%;
(2)蒸汽定型:将步骤(1)得到的纱线一进行蒸汽定型,即得纱线二;
(3)编织:将步骤(2)得到的纱线二织成坯布;
(4)坯布预处理:将步骤(3)得到的坯布清洗、烘干,即得坯布一;
(5)坯布一染色:将步骤(4)得到的坯布一放入染色液中进行染色,得到坯布二,所述染色液主要由如下重量份数的原料制成:染料40-50份、水60-70份、染色助剂10-15份、固色剂2-4份、分散剂2-4份、匀染剂2-3份、氨基聚硅氧烷2-5份,所述染色助剂为羧甲基纤维素钠、聚氧化乙烯、脂肪醇醚磺基琥珀酸酯二钠盐中的至少两种,所述固色剂由氯化稀土、纳米甲壳素、酪蛋白酸钠按质量比(7-10):(7-10):(2-3)组成;
(6)罗马布制备:将步骤(5)得到的坯布二脱水、烘干、定型即得。
优选的,所述染料为酸性染料,所述酸性染料为市售酸性染料。
优选的,所述匀染剂由酸性匀染剂、冰醋酸按质量比1:1组成,所述酸性匀染剂为酸性匀染剂Y-207B,厂家为浙江汉邦化工有限公司;所述冰醋酸用于控制pH值在4-5。
优选的,氯化稀土为氯化镧。
优选的,人造棉的支数为30S。
优选的,黑涤纶为75D/40F。
优选的,锦纶为50D锦纶。
优选的,氨纶为40D氨纶。
优选的,蒸汽定型的温度为100-110℃,保温时间为60-70min。
优选的,步骤(5)中坯布一的染色在机缸内进行,机缸内的水温为20-25℃,将坯布一放入机缸内后,以2-3℃/min的速度将温度升高至70-80℃,然后以1℃/min的速度将温度升高至80-90℃,保温50-60min后,以0.5℃/min的速度降温至60-70℃,然后以1-2℃/min速度降温至20℃。
优选的,步骤(5)中染色的浴比为1:8。
通过采用上述技术方案,染色助剂的加入便于提高坯布一对染料的抓附能力,染色助剂的基团中含有未共享的电子对,便于与含有电子接受体的单体或聚合物形成络合物,染料中含有大量的电子接受体,从而使得染料在染色助剂的作用下吸附坯布一上;固色剂与染色助剂相互配合,染色助剂提高染料在坯布一上抓附力,固色剂同时降低坯布一上染料的溶解,同时提高染料在坯布一上的有效固着,固色剂中的纳米甲壳素以及酪蛋白酸钠在坯布一上能够形成网状结构,从而将染料截留在坯布一中,氯化稀土中的稀土离子激活了纤维素分子上比较惰性的C3位上的仲羟基,进而提高纤维素分子的反应性,进而吸附染料分子,同时将染料分子固定在纤维处的网状结构处,进而提高坯布一的染色效果,氨基聚硅氧烷作为桥梁将固色剂与坯布一的纤维联系起来,进而提高罗马布的色牢度和上色率。
优选的,步骤(5)所述的染色助剂、固色剂、氨基聚硅氧烷的质量比为(12-14):(2-3):(3-4)。
通过采用上述技术方案,对染色助剂、固色剂、氨基聚硅氧烷的比例进行优化,从而使得三者的配比达到最佳,染色助剂对坯布一进行染色,固色剂对染色后的坯布一进行固色,从而提高罗马布的色牢度,氨基聚硅氧烷的加入一方面用于增强染色助剂对坯布一的染色效果,另一方面提高坯布一的固色效果,进而提高罗马布的色牢度。
优选的,步骤(5)所述的染色助剂由羧甲基纤维素钠、聚氧化乙烯、脂肪醇醚磺基琥珀酸酯二钠盐按质量比(4-6):(2-3):(2-3)组成。
通过采用上述技术方案,对染色助剂的三种组分进行复配,从而使得三种组分的配比达到最佳,进而提高染色助剂对坯布的染色效果,进而提高染料与罗马布之间的结合牢固度,进而提高罗马布的色牢度和上色率。
优选的,步骤(5)所述羧甲基纤维素钠为交联羧甲基纤维素钠,所述交联羧甲基纤维素钠的交联度为0.35-0.45。
优选的,交联羧甲基纤维素钠的制备方法,包括如下步骤:60mL 90%的乙醇-水溶液与6.0g羟甲基纤维素钠(0.82)混合,在40℃下搅拌1h。加入18mL稀硫酸,继续搅拌1h,抽滤,得到滤饼。将滤饼分散在饱和碳酸钠溶液中至体系pH为6-7,用去离子水洗涤至无硫酸根离子。用95%乙醇浸泡固体,抽滤,干燥,得交联羧甲基纤维素钠。
通过采用上述技术方案,交联羧甲基纤维素钠中羧基和羟基发生分子内酯化反应,形成高分子网络结构,便于吸附染液中的染料,从而将染料留存于纱线的纤维中,同时,交联度较高时,网络结构密实,从而导致染料分子的吸附难以进入吸附位点,当交联度过低时,网络结构较为松散,间隙大,不易将染料分子截留在纱线中,当交联度位于0.35-0.45时,能够提高对染料分子的截留率,同时吸附性能较佳。
优选的,步骤(5)所述的染色液中还包括3-6重量份数的促渗透剂,所述促渗透剂由乙二醇二甲醚、脂肪醇聚氧乙烯醚按质量比(2-3):(1-2)组成。
通过采用上述技术方案,促渗透剂便于促使染色助剂渗透入坯布一内,进而提高坯布一的染色率,同时在固色剂的作用下,将染色助剂固定在坯布一内,进而提高罗马布的染色率和色牢度。
优选的,步骤(5)所述的分散剂为木质素磺酸钠。
通过采用上述技术方案,木质素磺酸钠不仅具有较强的分散能力,同时不溶于有机溶剂,木质素磺酸钠的加入便于减少染液颗粒出现沉降和凝聚的情况出现,进而提高坯布一的染色效果。
优选的,步骤(1)中纱线经过处理液进行处理后,进行清洗烘干,其中,所述处理液主要由如下重量份数的原料制成:柔软剂20-30份、成膜剂2-5份、脂肪醇聚氧乙烯醚聚氧乙烯醚5-10份、阴离子表面活性剂5-10份、非离子表面活性剂5-10份、硅酸钠2-5份、纤维保护剂2-8份、水50-60份。
优选的,非离子表面活性剂为烷基酚聚氧乙烯醚。
优选的,成膜剂为丙烯酸树脂,厂家为枞阳县三金颜料实力工厂。
优选的,柔软剂为有机硅柔软剂TD-678C。
通过采用上述技术方案,阴离子表面活性剂、非离子表面活性剂相互配合,阴离子表面活性剂具有较强的清洗作用,从而清洗掉纱线表面的油污以及果胶原等杂质,非离子表面活性剂具有较强的渗透能力,从而使得纱线充分润湿,进而在阴离子表面活性剂的作用下使得纱线表面的杂质剥离,同时硅酸钠降低纱线表面的临界胶束浓度,从而减少杂质二次吸附在纱线上,同时成膜剂吸附在纱线上,从而提高纱线的强度,进而提高纱线的上色性,进而提高坯布的染色牢度。
优选的,所述阴离子表面活性剂由椰子油乙氧基化物、十八酰胺丙基二甲胺乙内酯、十二烷基硫酸钠按质量比(5-8):(3-4):(1-2)组成。
通过采用上述技术方案,阴离子表面活性剂由多种组分复配得到,椰子油乙氧基化物与十八酰胺丙基二甲胺乙内酯、十二烷基硫酸钠复配后,便于进一步降低表面张力,椰子油乙氧基化物中氧原子与水分子之间形成氢键,从而便于吸附掉纱线表面的污物。
优选的,所述纤维保护剂为水解胶原蛋白。
通过采用上述技术方案,水解胶原蛋白属于生物高分子,是一种白色、不透明的纤维型蛋白质,水解胶原蛋白独特的纤维状结构,能够修复纤维组织,并且,水解胶原蛋白具有良好的生物相容性,与纤维组织结合性好。
第二方面,本申请提供一种高染色度持久定型罗马布,采用如下的技术方案:
一种采用上述制备工艺得到的高染色度持久定型罗马布。
通过采用上述技术方案,染色液中加入染色助剂,染色助剂便于提高染料在坯布一上的抓附力,氨基聚硅氧烷将坯布一、固色剂联系起来,从而使得固色剂降低坯布一上染料的溶解,进而提高罗马布的色牢度和上色率。
综上所述,本申请具有以下有益效果:
1、本申请的高染色度持久定型罗马布的制备工艺中,通过染色助剂、固色剂以及氨基聚硅氧烷之间的复配作用,从而提高罗马布的上色率和色牢度。
2、本申请的高染色度持久定型罗马布的制备工艺中,通过对固色剂进行复配,固色剂由氯化稀土、纳米甲壳素、酪蛋白酸钠三种组分复配得到,从而便于进一步提高罗马布的色牢度。
3、本申请的高染色度持久定型罗马布的工艺中通过对编织罗马布的纱线进行处理,从而减少纱线上的杂质,进而提高罗马布的上色率。
具体实施方式
以下结合实施例对本申请作进一步详细说明。
可选的,聚氧化乙烯的重均分子量为105-5*106。
实施例
实施例1
本实施例的高染色度持久定型罗马布的制备工艺,包括如下步骤:(1)纱线预处理:将纱线清洗、烘干,即得纱线一,其中纱线由如下重量的原料制成:人造棉20kg、黑涤纶包氨纶40kg、锦纶8kg、中空聚酯纤维20kg、天然竹纤维2kg、羊毛10kg;其中,人造棉的支数为30S,黑涤纶为75D/40F,锦纶为50D锦纶,氨纶为40D氨纶;
(2)蒸汽定型:将步骤(1)得到的纱线一在105℃下,保温65min,进行蒸汽定型,即得纱线二;
(3)编织:将步骤(2)得到的纱线二织成坯布;
(4)坯布预处理:将步骤(3)得到的坯布清洗、烘干,即得坯布一;
(5)坯布一染色:将染色液放入机缸内,将步骤(4)得到的坯布一放入机缸中进行染色,以2℃/min的速度将温度升高至80℃,然后以1℃/min的速度将温度升高至90℃,保温55min后,以0.5℃/min的速度降温至70℃,然后以1℃/min速度降温至20℃,得到坯布二,其中,浴比为1:8,染色液由如下重量的原料制成:水60kg、染料40kg、染色助剂10kg、固色剂2kg、分散剂2kg、匀染剂2kg、氨基聚硅氧烷2kg,染色助剂由羧甲基纤维素钠、聚氧化乙烯按质量比2:3组成,固色剂由氯化稀土、纳米甲壳素、酪蛋白酸钠按质量比7:7:2组成;染料为酸性染料,酸性染料为市售;匀染剂由酸性匀染剂、冰醋酸按质量比1:1组成,酸性匀染剂为酸性匀染剂Y-207B,厂家为浙江汉邦化工有限公司;氯化稀土为氯化镧;分散剂为木质素磺酸钠;
(6)罗马布制备:将步骤(5)得到的坯布二脱水、烘干、定型即得。
本实施例的高染色度持久定型罗马布由上述制备工艺得到。
实施例2-5
实施例2-5在实施例1的基础上,对纱线的组成配比以及染色液的组成配比进行调整,其他与实施例1完全相同,具体调整情况参见表1,原料配比单位为kg。
表1实施例1-5的纱线以及染色液的配料表
实施例2-5的高染色度持久定型罗马布采用上述相对应的制备工艺制得。
实施例6
本实施例与实施例4的不同之处在于:固色剂由氯化稀土、纳米甲壳素、酪蛋白酸钠按质量比10:10:3组成,羧甲基纤维素钠为交联羧甲基纤维素钠,交联羧甲基纤维素钠的交联度为0.35-0.45,交联羧甲基纤维素钠的制备方法,包括如下步骤:60mL 90%的乙醇-水溶液与6.0g羟甲基纤维素钠(0.82)混合,在40℃下搅拌1h。加入18mL稀硫酸,继续搅拌1h,抽滤,得到滤饼。将滤饼分散在饱和碳酸钠溶液中至体系pH为6-7,用去离子水洗涤至无硫酸根离子。用95%乙醇浸泡固体,抽滤,干燥,得交联羧甲基纤维素钠;其他与实施例4完全相同。
本实施例的高染色度持久定型罗马布采用上述制备工艺制得。
实施例7
本实施例与实施例6的不同之处在于:染色助剂由羧甲基纤维素钠、聚氧化乙烯、脂肪醇醚磺基琥珀酸酯二钠盐按质量比4:2:2组成,其他与实施例6完全相同。
本实施例的高染色度持久定型罗马布采用上述制备工艺制得。
实施例8
本实施例与实施例6的不同之处在于:染色助剂由羧甲基纤维素钠、聚氧化乙烯、脂肪醇醚磺基琥珀酸酯二钠盐按质量比6:3:3组成,其他与实施例6完全相同。
本实施例的高染色度持久定型罗马布采用上述制备工艺制得。
实施例9
本实施例与实施例8的不同之处在于:染色液中还加入3kg的促渗透剂,促渗透剂由乙二醇二甲醚、脂肪醇聚氧乙烯醚按质量比2:1组成,其他与实施例8完全相同。
本实施例的高染色度持久定型罗马布采用上述制备工艺制得。
实施例10
本实施例与实施例8的不同之处在于:染色液中还加入6kg的促渗透剂,促渗透剂由乙二醇二甲醚、脂肪醇聚氧乙烯醚按质量比3:2组成,其他与实施例8完全相同。
本实施例的高染色度持久定型罗马布采用上述制备工艺制得。
实施例11
本实施例与实施例10的不同之处在于:步骤(1)中纱线经过处理液进行处理后,进行清洗烘干,其中,所述处理液主要由如下重量份数的原料制成:柔软剂20kg、成膜剂2kg、脂肪醇聚氧乙烯醚聚氧乙烯醚5kg、阴离子表面活性剂5kg、非离子表面活性剂5kg、硅酸钠2kg、纤维保护剂2kg、水50kg,其中阴离子表面活性剂由椰子油乙氧基化物、十八酰胺丙基二甲胺乙内酯、十二烷基硫酸钠按质量比5:3:1组成,柔软剂为有机硅柔软剂,成膜剂为丙烯酸树脂,厂家为枞阳县三金颜料实力工厂;非离子表面活性剂为烷基酚聚氧乙烯醚,纤维保护剂为水解胶原蛋白,其他与实施例10完全相同。
本实施例的高染色度持久定型罗马布采用上述制备工艺制得。
实施例12
本实施例与实施例10的不同之处在于:步骤(1)中纱线经过处理液进行处理后,进行清洗烘干,其中,所述处理液主要由如下重量份数的原料制成:柔软剂30kg、成膜剂5kg、脂肪醇聚氧乙烯醚聚氧乙烯醚10kg、阴离子表面活性剂10kg、非离子表面活性剂10kg、桂酸钠5kg、纤维保护剂8kg、水60kg,其中,阴离子表面活性剂由椰子油乙氧基化物、十八酰胺丙基二甲胺乙内酯、十二烷基硫酸钠按质量比8:4:2组成,柔软剂为有机硅柔软剂,成膜剂为丙烯酸树脂,厂家为枞阳县三金颜料实力工厂;非离子表面活性剂为烷基酚聚氧乙烯醚,纤维保护剂为水解胶原蛋白,其他与实施例10完全相同。
本实施例的高染色度持久定型罗马布采用上述制备工艺制得。
对比例
对比例1
本对比例与实施例1的不同之处在于:未加入氨基聚硅氧烷,其中,染色助剂的加入量为12kg,其他与实施例1完全相同。
本对比例的高染色度持久定型罗马布采用上述制备工艺制得。
对比例2
本对比例与实施例1的不同之处在于:未加入染色助剂,其中,固色剂的加入量为12kg,其他与实施例1完全相同。
本对比例的高染色度持久定型罗马布采用上述制备工艺制得。
对比例3
本对比例与实施例1的不同之处在于:固色剂为氯化稀土,其他与实施例1完全相同。
本对比例的高染色度持久定型罗马布采用上述制备工艺制得。
对比例4
本对比例与实施例1的不同之处在于:固色剂由氯化稀土、纳米甲壳素按质量比2:3组成,其他与实施例1完全相同。
本对比例的高染色度持久定型罗马布采用上述制备工艺制得。
对比例5
本对比例与实施例1的不同之处在于:染色助剂为羧甲基纤维素钠,其他与实施例1完全相同。
本对比例的高染色度持久定型罗马布采用上述制备工艺制得。
对比例6
本对比例与实施例1的不同之处在于:染色液由如下重量的原料制成:水60kg、染料40kg、染色助剂5kg、固色剂5kg、分散剂2kg、匀染剂5kg、氨基聚硅氧烷2kg,其他与实施例1完全相同。
本对比例的高染色度持久定型罗马布采用上述制备工艺制得。
性能检测试验
耐水洗色牢度试验:取实施例1-12及对比例1-6制得的高染色度持久定型罗马布,依据GB/T5713-2013《纺织品色牢度试验耐水色牢度》中的检测方法,检测高染色度持久定型罗马布的耐水洗色牢度,检测结果如表2所示。
耐摩擦色牢度:取实施例1-12及对比例1-6制得的高染色度持久定型罗马布,依据GB/T3920-2008《纺织品耐摩擦色牢度》中的检测方法,检测高染色度持久定型罗马布的耐摩擦色牢度,检测结果如表2所示。
上色率检测:取实施例1-12及对比例1-6制得的高染色度持久定型罗马布,依据GB/T9337-2009中的检测方法,检测高染色度持久定型罗马布的染料上色率,检测结果如表2所示。
表2实施例1-12及对比例1-6制得的高染色度持久定型罗马布的性能
结合实施例1及对比例1-2,并结合表2可以看出,相对于对比例1-2,实施例1中通过氨基聚硅氧烷以及染色助剂的协同作用,氨基聚硅氧烷、染色助剂相互协同,相互配合,染色助剂提高染料在坯布一上的抓附力,氨基聚硅氧烷将固色剂与坯布一联系起来,进而便于提高罗马布的上色率和色牢度。
结合实施例1及对比例3-4,并结合表2可以看出,固色剂由氯化稀土、纳米甲壳素、酪蛋白酸钠三种组分复配得到,固色剂中的纳米甲壳素、酪蛋白酸钠在坯布一上形成网状结构,从而将染料截留在坯布一中,氯化稀土激发坯布一上纤维的反应活性,进而吸附染料分子,进而提高罗马布的固色率,进而提高罗马布的色牢度和上色率。
结合实施例1及对比例5,并结合表2可以看出,相对于单种组分的染色助剂,当染色助剂由多种组分复配得到,多种组分的染色助剂,相互作用,与染色液中的其他组分相互配合,进而提高罗马布的染色效果。
结合实施例1-6及对比例6,并结合表2可以看出,实施例1-6通过对染色液各种组分的配比进行调整,从而观察制得的罗马布的染色度的变化,罗马布耐色牢度以及上色率较佳,对比例6采用本申请范围之外的配比,由此制得罗马布的耐色牢度以及上色率均没有本申请的好,染色液的配比对罗马布的性能影响较大。
结合实施例6-8,并结合表2可以看出,染色剂由多种组分复配得到,聚氧化乙烯、脂肪醇醚磺基琥珀酸酯二钠盐与染料形成络合物,从而使得染料紧密粘合在坯布一上,羧甲基纤维素钠粘度较高,三种组分相互配合,同时对染色剂多种组分的配比进行优化,从而使得染色剂的配比达到最佳,进而提高罗马布的耐洗色牢度、耐摩擦色牢度和上色率。
结合实施例8-10,并结合表2可以看出,在染色液中加入促渗透剂,促渗透剂便于促进染料进入到罗马布内,从而提高罗马布的上色率。
结合实施例11-12,并结合表2可以看出,通过对用于编织罗马布的纱线进行处理,从而清理纱线上的污物和杂质,进而提高染色液对罗马布的染色效果,同时提高罗马布的固色率,进而使得制得的罗马布色牢度以及上色率均较佳。
本具体实施例仅仅是对本申请的解释,其并不是对本申请的限制,本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改,但只要在本申请的权利要求范围内都受到专利法的保护。
Claims (10)
1.一种高染色度持久定型罗马布的制备工艺,其特征在于,包括如下步骤:
(1)纱线预处理:将纱线清洗、烘干,即得纱线一,其中纱线主要由如下重量百分比的原料制成:人造棉20-30%、黑涤纶包氨纶25-40%、锦纶8-10%、中空聚酯纤维20-25%、天然竹纤维2-5%、羊毛5-10%;
(2)蒸汽定型:将步骤(1)得到的纱线一进行蒸汽定型,即得纱线二;
(3)编织:将步骤(2)得到的纱线二织成坯布;
(4)坯布预处理:将步骤(3)得到的坯布清洗、烘干,即得坯布一;
(5)坯布一染色:将步骤(4)得到的坯布一放入染色液中进行染色,得到坯布二,所述染色液主要由如下重量份数的原料制成:染料40-50份、水60-70份、染色助剂10-15份、固色剂2-4份、分散剂2-4份、匀染剂2-3份、氨基聚硅氧烷2-5份,所述染色助剂为羧甲基纤维素钠、聚氧化乙烯、脂肪醇醚磺基琥珀酸酯二钠盐中的至少两种,所述固色剂由氯化稀土、纳米甲壳素、酪蛋白酸钠按质量比(7-10):(7-10):(2-3)组成;
(6)罗马布制备:将步骤(5)得到的坯布二脱水、烘干、定型即得。
2.根据权利要求1所述的一种高染色度持久定型罗马布的制备工艺,其特征在于:步骤(5)所述的染色助剂、固色剂、氨基聚硅氧烷的质量比为(12-14):(2-3):(3-4)。
3.根据权利要求1所述的一种高染色度持久定型罗马布的制备工艺,其特征在于:步骤(5)所述的染色助剂由羧甲基纤维素钠、聚氧化乙烯、脂肪醇醚磺基琥珀酸酯二钠盐按质量比(4-6):(2-3):(2-3)组成。
4.根据权利要求1所述的一种高染色度持久定型罗马布的制备工艺,其特征在于:步骤(5)所述羧甲基纤维素钠为交联羧甲基纤维素钠,所述交联羧甲基纤维素钠的交联度为0.35-0.45。
5.根据权利要求1所述的一种高染色度持久定型罗马布的制备工艺,其特征在于:步骤(5)所述的染色液中还包括3-6重量份数的促渗透剂,所述促渗透剂由乙二醇二甲醚、脂肪醇聚氧乙烯醚按质量比(2-3):(1-2)组成。
6.根据权利要求1所述的一种高染色度持久定型罗马布的制备工艺,其特征在于:步骤(5)所述的分散剂为木质素磺酸钠。
7.根据权利要求1所述的一种高染色度持久定型罗马布的制备工艺,其特征在于:步骤(1)中纱线经过处理液进行处理后,进行清洗烘干,其中,所述处理液主要由如下重量份数的原料制成:柔软剂20-30份、成膜剂2-5份、脂肪醇聚氧乙烯醚聚氧乙烯醚5-10份、阴离子表面活性剂5-10份、非离子表面活性剂5-10份、硅酸钠2-5份、纤维保护剂2-8份、水50-60份。
8.根据权利要求1所述的一种高染色度持久定型罗马布,其特征在于:所述阴离子表面活性剂由椰子油乙氧基化物、十八酰胺丙基二甲胺乙内酯、十二烷基硫酸钠按质量比(5-8):(3-4):(1-2)组成。
9.根据权利要求7所述的高染色度持久定型罗马布的制备工艺,其特征在于:所述纤维保护剂为水解胶原蛋白。
10.一种采用权利要求1-9任意一项所述的高染色度持久定型罗马布制备工艺得到的高染色度持久定型罗马布。
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