CN106498772A - 提高真丝织物喷墨印花清晰度、得色量及鲜艳度的方法 - Google Patents

提高真丝织物喷墨印花清晰度、得色量及鲜艳度的方法 Download PDF

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CN106498772A
CN106498772A CN201611166286.6A CN201611166286A CN106498772A CN 106498772 A CN106498772 A CN 106498772A CN 201611166286 A CN201611166286 A CN 201611166286A CN 106498772 A CN106498772 A CN 106498772A
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real silk
ink
silk fabric
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fabric
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付少海
李敏
张丽平
安亚洁
谭莹
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Jiangnan University
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Abstract

本发明公开了提高真丝织物喷墨印花清晰度、得色量及鲜艳度的方法,属于纺织科学技术领域。本发明提供了真丝织物喷墨印花用预处理液,并应用该预处理液对真丝织物进行预处理,整个预处理过程操作简单,能够满足规模化生产与加工,且水洗后糊料在织物上残存较少,预处理液粘度极低,对真丝织物的光泽、强力损伤小。通过此工艺,可明显提高真丝织物喷墨印花图案的清晰度、鲜艳度及颜色深度。

Description

提高真丝织物喷墨印花清晰度、得色量及鲜艳度的方法
技术领域
本发明涉及提高真丝织物喷墨印花清晰度、得色量及鲜艳度的方法,属于纺织科学技术领域。
背景技术
真丝面料在服装市场、饰品及艺术品领域一直很畅销,近三年,更成为流行的新趋势。它拥有得天独厚的吸湿排汗性,吸湿、放湿性是棉的1.5倍和1.2倍,它自身悦目的光泽更是其他纤维所难以匹敌的。另外,真丝属于蛋白质纤维,若面料制成服装或丝巾等,会对人体有较好的保健功效,拥有较好的抗紫外性能。由此看来,真丝织物的印花拥有一定的发展市场。
对于纺织品而言,喷墨印花机的出现无疑带来了一场印花技术的革新。近年来喷墨印花技术发展及其迅速,因其操作简单、节约资源、绿色环保以及满足个性化要求的特点得到染整印花生产商的一致认同。采用喷墨印花的形式对真丝织物进行印花符合现如今国家提倡的节能环保标准,小批量和多品种也更好地适应了客户商的个性化定制。
真丝的抱水性差,若直接将织物进行喷墨印花,会造成严重的边缘渗化现象,最终影响印花效果;织物组织结构使布面凹凸不平,未经过预处理液处理的织物直接进行喷墨印花,墨水会沿纱线自由扩散,反映在视觉效果上既是织物表面严重渗化,图案模糊不清、精细度大大降低;喷墨印花用墨水粘度低、表面张力较小,若直接进行喷墨印花,墨滴在织物表面铺展面积大,从宏观上看,即会造成印花边缘渗化。
将真丝织物直接进行喷墨印花,经固色水洗后,会发现织物的印花色彩萎暗、颜色深度极浅,难以达到从喷墨印花RIP软件(例如Wasatch)中预览的印花效果。
目前,提高真丝织物喷墨印花清晰度及颜色深度的方法如下:(1)阳离子化改性处理真丝织物,通过阳离子化改性处理,使具有反应性官能团的阳离子化合物与真丝纤维上的氨基和羟基发生反应,降低真丝表面的负电荷,减小纤维与染料间的斥力,提高真丝的上染率。例如,关晋平采用阳离子改性剂S-PD01对真丝织物进行染色前的改性处理,最终提高真丝织物染色的颜色深度;张伟采用水速溶阳离子壳聚糖季铵盐HTCC对真丝织物进行处理,在提高织物染色性能的同时赋予织物一定的抗菌和抗皱性。对真丝织物进行染色前的改性处理,最终提高真丝织物染色的颜色深度;张伟采用水速溶阳离子壳聚糖季铵盐HTCC对真丝织物进行处理,在提高织物染色性能的同时赋予织物一定的抗菌和抗皱性。(2)对真丝织物进行等离子体处理,等离子处理后织物的表面形貌改变,纤维表面粗糙化,与未经此处理的织物相比出现更多的凹坑,因此,光反射减弱,可一定程度地提高颜色深度,同时能够抑制墨水在纱线毛细管内的流动,提高清晰度。CN103451971A公开了一种采用低温等离子体处理真丝织物的数码印花工艺;陈通炫采用常压低温空气等离子体技术对真丝织物进行表面改性处理,总结出较好地处理方法;王少华采用低温氧等离子体对真丝织物进行表面改性,探究出适宜的处理技术。(3)附着物理吸附剂,在织物表面覆上粉状物,形成多孔表面从而抑制墨水的不良渗化,例如朱利将平均粒径在10μm~20μm的氧化铝粉末加入到预处理液中,对真丝织物进行喷墨印花预处理,使印花织物色深增加。(4)进行上浆预处理,通过在织物上浸轧浆液来堵塞纱线中纤维的毛细管,降低墨水在织物的渗化、提高印花清晰度。例如CN105002762A公开了一种真丝织物喷墨印花预处理上浆工艺,提高印花织物的清晰度及色牢度;CN103952931A公开了一种低尿素真丝织物数码印花方法,降低尿素的用量并提高活性染料墨水利用率;许磊针对真丝素绉缎直喷数码印花预处理浆料进行了配方成分及质量分数的研究,最终获得较佳的预处理浆液配方;李世超将DGT-7糊料、碱剂、尿素、元明粉混合液作为上浆浆料,探究达到较佳印花效果时4种助剂用量比。
本发明针对真丝织物喷墨印花后存在的低清晰度和低色深问题展开研究,提出一种采用阳离子分散纳米氧化物和增稠剂联合作用提高真丝织物喷墨印花清晰度及色深的方法,该方法工艺简单,能够满足规模化生产和加工。
发明内容
本发明的目的:为真丝织物喷墨印花提供一种操作简单、成本低廉且高印花清晰度及色深的处理方法。通过适宜的预处理上浆工艺,可堵塞纱线中纤维的毛细管,控制墨水在织物上的自由扩散,同时降低静电作用,以避免喷印时因静电作用造成的清晰度下降问题,提高真丝织物印花清晰度及颜色深度。
本发明首先提供了一种真丝织物喷墨印花用预处理液:将阳离子-纳米多孔氧化物分散体、增稠剂、吸湿保湿剂、固色剂、电解质、抗静电剂、抗菌剂和水按比例混合并搅拌均匀,所述预处理液按质量分数计,配方为:5%-50%阳离子-纳米氧化物分散体、0.5%-3%增稠剂、4%-8%吸湿保湿剂、0.5%-2%固色剂、0%-5%电解质、0.5%-2%抗静电剂、0.5%-5%抗菌剂,其余为水。
所述的阳离子纳米多孔氧化物分散体制备的方法,是将对纳米多孔氧化物的质量分数为10%-50%阳离子分散剂和0.5%-1%消泡剂溶解到去离子水中,加入阳离子纳米多孔氧化物分散体的质量分数为10%-30%的纳米多孔氧化物并混合均匀,用砂磨机进行研磨分散,制备平均粒径<200nm的纳米氧化物分散体;所述的阳离子分散剂为阳离子聚丙烯酰胺、十二烷基三甲基氯化铵、十八烷基三甲基氯化铵、2,3-环氧丙基三甲基氯化铵、环氧丙基三乙基氯化铵、3-氯-羟丙基三甲基氯化铵、丙烯酰氧乙基三甲基氯化铵、甲基丙烯酰氧乙基三甲基氯化铵中的一种或几种;所述的消泡剂为聚二甲基硅氧烷消泡剂、聚醚消泡剂、辛醇或戊醇中的一种或几种;所述的纳米多孔氧化物为纳米氧化铝、纳米氧化钛或纳米氧化锌中的一种或几种。
在本发明的一种实施方式中,所述阳离子纳米多孔氧化物分散体中纳米多孔氧化物的质量分数为30%。
所述的增稠剂为非离子增稠剂,可以是瓜儿豆胶、羟丙基甲基纤维素、羟丙基淀粉、羟乙基纤维素、DGT-7和聚乙烯醇其中的一种或几种。
所述的吸湿保湿剂为聚乙二醇600、二甘醇、尿素、丙三醇、三甘醇、乙二醇、N-甲基-2-吡咯烷酮、1,4-丁二醇、季戊四醇、异丙醇和己内酰胺中的一种或几种。
所述的固色剂可以是碳酸钠、碳酸氢钠、氢氧化钠、柠檬酸钠、磷酸氢二钠、磷酸氢二钾、三乙醇胺、硼砂中的一种或几种。
所述的电解质为中性电解质,如硫酸铵、硫酸钠、硫酸钾、氯化钠其中的一种或几种。
所述的抗静电剂为高分子型抗静电剂,如聚醚酯酰胺、聚醚酯乙酰胺、聚氧化乙烯、环氧丙烷共聚物;或非离子型抗静电剂,如山梨糖醇、乙醇酰胺、脂肪酸多元醇脂、羟乙基烷基胺、脂肪酰胺类;或阳离子型抗静电剂,如抗静电剂SN、抗静电剂TM、抗静电剂SP、抗静电剂SH-105其中的一种或几种。
所述的抗菌剂可以是3-[三甲氧基硅基]丙基二甲基十八烷基氯化铵、1,2-苯并异噻唑啉-3-酮、5-氯-2-甲基-1-异噻唑啉-3-酮、2-甲基-1-异噻唑啉-3-酮、亚硝酸钠、苯甲酸钠中的一种或几种。
本发明还提供应用所述预处理液对真丝织物进行预处理后进行喷墨印花的方法,将预处理液通过一浸一轧的方式浸轧到真丝织物上去,轧余率控制在50%-80%之间,随后对织物进行60℃烘干处理,烘干后的织物既可进行直接的喷墨印花,喷墨印花之后及时对织物进行汽蒸固色,固色时间保持在15min-40min内,温度为100℃-110℃,湿度保持在50%RH-100%RH,结束固色后进行适宜的水洗烘干处理。
本发明具有如下有益效果:整个预处理过程操作简单,能够满足规模化生产与加工,且水洗后糊料在织物上残存较少,预处理液粘度极低,对真丝织物的强力损伤小。通过此工艺,可明显提高真丝织物喷墨印花图案的清晰度、鲜艳度及颜色深度。
具体实施方式
(1)测试印花颜色深度、鲜艳度
用喷墨印花机在真丝织物上打印CMYK四色色块,色块规格5cm×5cm,经过汽蒸水洗烘干后,使用CI7800电脑测配色仪器,在CIE Lab的系统,D65光源,10°视角的条件下,测试印花织物每个色块的K/S值和C*值。
(2)测试印花清晰度
用喷墨印花机在真丝织物上打印CMYK四色“十”字图形,打印线宽设为1mm,借助显微镜(5X低倍镜)观察并采用ToupView软件测量实际的打印线宽。
(3)测试印花织物断裂强力
在织物强力测试机上测试织物经纬向断裂强力,织物裁剪规格:20cm*5cm。
(4)测试印花织物手感测试(弯曲性能)
在织物风格仪上测试印花真丝织物的弯曲性能,织物规格:20cm*20cm。
实施例1
(1)制备阳离子纳米多孔氧化锌分散体:将15%十二烷基三甲基氯化铵和1%聚二甲基硅氧烷溶解到去离子水中,加入30%纳米多孔氧化锌并混合均匀,用砂磨机进行研磨分散,制备平均粒径<200nm的纳米多孔氧化锌。
(2)制备预处理液:5%阳离子纳米多孔氧化锌分散体、1%瓜儿豆胶、4%尿素、1%碳酸氢钠、1%抗静电剂TM、1%硫酸钠、0.5%亚硝酸钠,其余为水;所得预处理液粘度为60mPa·s。
(3)浸轧烘干处理:将织物浸入到预处理液中5min,保证织物充分浸润后,对其进行一浸一轧处理,轧余率保持在70%左右,浸轧完毕后进行60℃烘干处理。
(4)喷墨印花:采用活性染料墨水对预处理后的真丝之后进行印花处理。
(5)汽蒸固色:将印花织物置于提前预热就绪的汽蒸机内(汽蒸环境:102℃,78%RH),汽蒸处理30min。
(6)水洗烘干处理:对汽蒸后的印花织物实行如下水洗工艺:冷水洗(2min)→热水洗(60℃,1min)→冷水洗(2min)→烘干(60℃)。
表一预处理对印花颜色深度(K/S值)及鲜艳度(C*值)的提升效果
表二预处理对印花清晰度的提高效果
从上述表一、表二可知经过此预处理能够显著提高喷墨印花的印花清晰度、得色量及鲜艳度。
表三预处理对印花织物断裂强力的影响
由表三可知此预处理对真丝织物强力的影响可忽略不计。
表四预处理对印花织物手感的影响
由表四可知预处理前后织物弯曲刚度和弯曲滞后差值较小,完全满足织物服用要求。
实施例2
(1)制备阳离子纳米多孔氧化铝分散体:将12%2,3-环氧丙基三甲基氯化铵和1%聚二甲基硅氧烷溶解到去离子水中,加入30%纳米多孔氧化铝并混合均匀,用砂磨机进行研磨分散,制备平均粒径<200nm的纳米多孔氧化铝。
(2)制备预处理液:10%阳离子纳米氧化铝分散体、1%羟乙基纤维素、6%丙三醇、1%碳酸钠、0.5%抗静电剂SP、4%硫酸钠、0.5%苯甲酸钠,其余为水;所得预处理液粘度65mPa·s。
(3)浸轧烘干处理:将织物浸入到预处理液中5min,保证织物充分浸润后,对其进行一浸一轧处理,轧余率保持在80%左右,浸轧完毕后进行60℃烘干处理。
(4)喷墨印花:采用活性染料墨水对预处理后的真丝之后进行印花处理。
(5)汽蒸固色:将印花织物置于提前预热就绪的汽蒸机内(汽蒸环境:102℃,78%RH),汽蒸处理30min。
(6)水洗烘干处理:对汽蒸后的印花织物实行如下水洗工艺:冷水洗(2min)→热水洗(60℃,1min)→冷水洗(2min)→烘干(60℃)。
表五预处理对色深及鲜艳度的提高效果
表六预处理对印花清晰度的提高效果
从上述表五、表六可知经过此预处理能够显著提高喷墨印花的印花清晰度、得色量及鲜艳度。
表七预处理对印花织物断裂强力的影响
由表七可知此预处理对真丝织物强力影响较小。
表八预处理对印花织物手感的影响
由表八可知预处理前后织物弯曲刚度(B值)和弯曲滞后(2HB值)差值较小,完全满足织物服用要求。
虽然本发明已以较佳实施例公开如上,但其并非用以限定本发明,任何熟悉此技术的人,在不脱离本发明的精神和范围内,都可做各种的改动与修饰,因此本发明的保护范围应该以权利要求书所界定的为准。

Claims (10)

1.一种真丝织物喷墨印花用预处理液,其特征在于,将阳离子纳米多孔氧化物分散体、增稠剂、吸湿保湿剂、固色剂、电解质、抗静电剂、抗菌剂和水按比例混合并搅拌均匀,所述预处理液按质量分数计,配方为:5%-50%阳离子-纳米氧化物分散体、0.5%-3%增稠剂、4%-8%吸湿保湿剂、0.5%-2%固色剂、0%-5%电解质、0.5%-2%抗静电剂、0.5%-5%抗菌剂,其余为水。
2.根据权利要求1所述的一种真丝织物喷墨印花用预处理液,其特征在于,所述的阳离子纳米多孔氧化物分散体制备的方法,是将对纳米多孔氧化物的质量分数为10%-50%阳离子分散剂和0.5%-1%消泡剂溶解到去离子水中,加入阳离子纳米多孔氧化物分散体的质量分数为10%-30%的纳米多孔氧化物并混合均匀,用砂磨机进行研磨分散,制备平均粒径<200nm的纳米氧化物分散体。
3.根据权利要求2所述的一种真丝织物喷墨印花用预处理液,其特征在于,所述的阳离子分散剂为阳离子聚丙烯酰胺、十二烷基三甲基氯化铵、十八烷基三甲基氯化铵、2,3-环氧丙基三甲基氯化铵、环氧丙基三乙基氯化铵、3-氯-羟丙基三甲基氯化铵、丙烯酰氧乙基三甲基氯化铵、甲基丙烯酰氧乙基三甲基氯化铵中的一种或几种。
4.根据权利要求2或3所述的一种真丝织物喷墨印花用预处理液,其特征在于,所述的消泡剂为聚二甲基硅氧烷消泡剂、聚醚消泡剂、辛醇或戊醇中的一种或几种。
5.根据权利要求2~4任一所述的一种真丝织物喷墨印花用预处理液,其特征在于,所述的纳米氧化物为纳米氧化铝、纳米氧化钛或纳米氧化锌中的一种或几种。
6.所述的增稠剂为非离子增稠剂,可以是瓜儿豆胶、羟丙基甲基纤维素、羟丙基淀粉、羟乙基纤维素、DGT-7和聚乙烯醇其中的一种或几种。
7.根据权利要求1所述的一种真丝织物喷墨印花用预处理液,其特征在于,所述的吸湿保湿剂为聚乙二醇600、二甘醇、尿素、丙三醇、三甘醇、乙二醇、N-甲基-2-吡咯烷酮、1,4-丁二醇、季戊四醇、异丙醇和己内酰胺中的一种或几种;所述的固色剂可以是碳酸钠、碳酸氢钠、氢氧化钠、柠檬酸钠、磷酸氢二钠、磷酸氢二钾、三乙醇胺、硼砂中的一种或几种;所述的电解质为中性电解质,如硫酸铵、硫酸钠、硫酸钾、氯化钠其中的一种或几种。
8.根据权利要求1或7所述的一种真丝织物喷墨印花用预处理液,其特征在于,所述的抗静电剂为高分子型抗静电剂,包括聚醚酯酰胺、聚醚酯乙酰胺、聚氧化乙烯、环氧丙烷共聚物;或非离子型抗静电剂,包括山梨糖醇、乙醇酰胺、脂肪酸多元醇脂、羟乙基烷基胺、脂肪酰胺类;或阳离子型抗静电剂,包括抗静电剂SN、抗静电剂TM、抗静电剂SP、抗静电剂SH-105其中的一种或几种。
9.根据权利要求1或6或7所述的一种真丝织物喷墨印花用预处理液,其特征在于,所述的抗菌剂是3-[三甲氧基硅基]丙基二甲基十八烷基氯化铵、1,2-苯并异噻唑啉-3-酮、5-氯-2-甲基-1-异噻唑啉-3-酮、2-甲基-1-异噻唑啉-3-酮、亚硝酸钠、苯甲酸钠中的一种或几种。
10.一种应用权利要求1~9任一所述预处理液对真丝织物进行预处理后进行喷墨印花的方法,其特征在于,将预处理液通过一浸一轧的方式浸轧到真丝织物上去,轧余率控制在50%-80%之间,随后对织物进行60℃烘干处理,烘干后的织物直接进行喷墨印花,喷墨印花之后及时对织物进行汽蒸固色,固色时间保持在15min-40min内,温度为100℃-110℃,湿度保持在50%RH-100%RH,结束固色后进行适宜的水洗烘干处理。
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CN112281520A (zh) * 2020-09-27 2021-01-29 绍兴市华绅纺织品整理有限公司 一种高固色率活性染料印花方法
CN112281520B (zh) * 2020-09-27 2023-03-31 浙江七色彩虹科技有限公司 一种高固色率活性染料印花方法

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Application publication date: 20170315