CN113668165A - 一种色调均匀的布料快速染色方法 - Google Patents

一种色调均匀的布料快速染色方法 Download PDF

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CN113668165A
CN113668165A CN202110990766.9A CN202110990766A CN113668165A CN 113668165 A CN113668165 A CN 113668165A CN 202110990766 A CN202110990766 A CN 202110990766A CN 113668165 A CN113668165 A CN 113668165A
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范方俊
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Suzhou Langbeni Textile Co ltd
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Abstract

本发明涉及的色调均匀的布料快速染色方法,包括坯布退浆、坯布预缩、平整处理、碱减量处理、染色处理以及后定型处理,染色处理包括步骤染料的制备、初步染色、初步清洗、烘干定型、第二次染色和二次清洗等步骤。通过初步染色、烘干定型和第二次染色使得染料能够完全依附在布料上,不易脱色,能够提高染料和布料纤维分子间结合强度;避免清洗过程中染料脱落,出现掉色现象;并且能够降低染料的光氧化分解,提高布料的耐晒牢度;在第二次染色过程中,使得染色机中的染液的浓度保持在0.5‑0.6g/L,能够保证布料吸附更多的染料,降低解吸过程,加快对布料的染色速度,提高染色效率。

Description

一种色调均匀的布料快速染色方法
技术领域
本发明涉及纺织技术领域,特别涉及一种色调均匀的布料快速染色方法。
背景技术
纤维染色大致分为三个基础阶段,第一阶段:吸附,当纤维投入染浴以后,染料渐渐地由溶液扩散转移到纤维表面,这个过程称为吸附。随着时间的推移,纤维上的染料浓度逐渐增加,而溶液中的染料浓度却逐渐减少,经过一段时间后,达到平衡状态。吸附的逆过程为解吸,在上染过程中吸附和解吸是同时存在的。第二阶段:扩散,吸附在纤维表面的染料向纤维内部扩散,直到纤维各部分的染料浓度趋向一致。由于吸附在纤维表面的染料浓度大于纤维内部的染料浓度,促使染料由纤维表面向纤维内部扩散。此时,染料的扩散破坏了最初建立的吸附平衡,溶液中的染料又会不断地吸附到纤维表面,吸附和解吸再次达到平衡。第三阶段:固着,是染料与纤维结合的过程,随染料和纤维不同,其结合方式也各不相同。
现有技术中的染色工艺染色时,溶液进入于面料中,在吸附作用下,面料中溶液中的染料会吸附于纤维上,从而面料上液中的染料浓度将降低,染色机利用溶液与面料充分接触,利用溶液中染料浓度较高从而使溶液中溶质向面料内溶液中扩散(此处的扩散为溶质在溶液内的扩散,而非染色过程中的扩散阶段),而扩散效应较慢从而导致染色效率较低。
发明内容
为了克服现有技术中的缺陷,本发明实施例提供了一种色调均匀的布料快速染色方法,结构美观,布料紧实。
本申请实施例公开了:一种色调均匀的布料快速染色方法,包括坯布退浆、坯布预缩、平整处理、碱减量处理、染色处理以及后定型处理,所述染色处理包括以下步骤:
S1:染料的制备:提供蒸馏水,并将染料溶于蒸馏水中配制得到染液,所述染液的浓度为0.5-0.6g/L;
S2:初步染色:将染液稀释获得0.1-0.2g/L的稀释染液,然后将稀释染液注入染色机中,然后将碱减量处理完成的布料放置于染色机内,对染色机中的染液进行加热,加热温度为60-80℃,同时持续搅动布料3-5min;
S3:初步清洗:利用清水对初次染色后的布料进行漂洗,漂洗结束后,采用30℃-50℃的热风对布料进行烘干;
S4:烘干定型:将烘干后的布料进行预定型处理,预定型过程中采用上布机将布料导入定型机设备中进行预定型处理,预定型温度设置为185℃-190℃,定型时间为45-60s;
S5:第二次染色:将浓度为0.5-0.6g/L的染液注入染色机中,然后将预定型的布料放置于染色机内,对染色机中的染液进行加热,加热温度为100-125℃,同时持续搅动布料10-20min,期间对染色机中的染液的浓度进行检测,当检测到染色机中染液的浓度低于0.5g/L时,加入高浓度染液,使得染色机中的染液的浓度保持在0.5-0.6g/L,多余的染料经通过溢流的方式收集,并进行回收再利用;
S6:二次清洗:利用清水对二次染色布料进行漂洗,漂洗结束后,采用30℃-50℃的热风对布料进行烘干;
所述后定型处理包括以下步骤:
A1:采用渗透剂对布料进行浸润;
A2:采用定型机对浸润完成的布料用定型液进行定型处理;
A3:对定型处理后的布料进行烘干,得到染色完成的布料;
所述定型液包括以下重量份数的物质:柔软剂20-30份、磷酸氢二钠30-40份、增塑剂70-80份、三硬脂酸甘油酯10-20份、聚四氟乙烯微粒30-34份和海藻酸钠3-5份。
进一步地,所述柔软剂包括以下百分比的组分:双十八烷基二甲基氯化铵10%-20%,脂肪醇聚氧乙烯醚20%-30%,余量为水。
进一步地,所述增塑剂包括以下百分比的组分:40%-60%的聚邻苯二甲酸乙二醇酯;20%-30%的吐温-80和20%-40%的匀散剂。
进一步地,在初步染色和第二次染色过程中,沿染色机的长度方向对置于溶液中的布料施加周期性的拉力和周期性的压力。
进一步地,在第二次染色步骤中,当染色机的染液浓度较低时,通过溢流的方法排出部分染液,同时注入高浓度染液来提高染色机中染液的浓度,然后对所述部分染液进行浓缩,直至浓缩将所述部分染液浓缩至0.5g/L以上,然后将浓缩后的染液进行回收备用或回输至染色机中,所述高浓度染液的浓度为0.8-1.2g/L。
进一步地,在染料制备过程中,先对蒸馏水进行预加热,预加热温度60℃-80℃,然后将蒸馏水和染料同时导入搅拌釜中进行搅拌,蒸馏水通过螺旋水流的方式导入搅拌釜中。
进一步地,在第二次染色步骤中,在对浓缩后的染液进行回收时,首先对染液进行降温,然后将降温后的浓缩染液输入密封容器中进行存储。
进一步地,在初步清洗和二次清洗过程中采用的清水均为去离子水。
进一步地,所述定型液包括以下重量份数的物质:柔软剂25份、磷酸氢二钠35份、增塑剂75份、三硬脂酸甘油酯15份、聚四氟乙烯微粒32份和海藻酸钠4份。
本发明的有益之处在于:
1.通过初步染色、烘干定型和第二次染色使得染料能够完全依附在布料上,不易脱色,能够提高染料和布料纤维分子间结合强度;避免清洗过程中染料脱落,出现掉色现象;并且能够降低染料的光氧化分解,提高布料的耐晒牢度;
2.在第二次染色过程中,使得染色机中的染液的浓度保持在0.5-0.6g/L,能够保证布料吸附更多的染料,降低解吸过程,加快对布料的染色速度,提高染色效率;
3.通过后定型处理步骤,能够进一步提高染料在布料上的附着率,减少在烘干过程中染料泳移,降低了布料在清洗或晾晒后易掉色程度。
为让本发明的上述和其他目的、特征和优点能更明显易懂,下文特举较佳实施例,作详细说明如下。
具体实施方式
下面将结合本发明实施对本发明中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种色调均匀的布料快速染色方法,包括坯布退浆、坯布预缩、平整处理、碱减量处理、染色处理以及后定型处理,所述染色处理包括以下步骤:
S1:染料的制备:提供蒸馏水,并将染料溶于蒸馏水中配制得到染液,所述染液的浓度为0.5-0.6g/L;
S2:初步染色:将染液稀释获得0.1-0.2g/L的稀释染液,然后将稀释染液注入染色机中,然后将碱减量处理完成的布料放置于染色机内,对染色机中的染液进行加热,加热温度为60-80℃,同时持续搅动布料5min;
S3:初步清洗:利用清水对初次染色后的布料进行漂洗,漂洗结束后,采用50℃的热风对布料进行烘干;
S4:烘干定型:将烘干后的布料进行预定型处理,预定型过程中采用上布机将布料导入定型机设备中进行预定型处理,预定型温度设置为190℃,定型时间为60s;
S5:第二次染色:将浓度为0.5-0.6g/L的染液注入染色机中,然后将预定型的布料放置于染色机内,对染色机中的染液进行加热,加热温度为125℃,同时持续搅动布料20min,期间对染色机中的染液的浓度进行检测,当检测到染色机中染液的浓度低于0.5g/L时,加入高浓度染液,使得染色机中的染液的浓度保持在0.5-0.6g/L,多余的染料经通过溢流的方式收集,并进行回收再利用;
S6:二次清洗:利用清水对二次染色布料进行漂洗,漂洗结束后,采用50℃的热风对布料进行烘干;
所述后定型处理包括以下步骤:
A1:采用渗透剂对布料进行浸润;
A2:采用定型机对浸润完成的布料用定型液进行定型处理;
A3:对定型处理后的布料进行烘干,得到染色完成的布料;
所述定型液包括以下重量份数的物质:柔软剂25份、磷酸氢二钠35份、增塑剂75份、三硬脂酸甘油酯15份、聚四氟乙烯微粒32份和海藻酸钠4份。
在上述实施例中,所述柔软剂包括以下百分比的组分:双十八烷基二甲基氯化铵15%,脂肪醇聚氧乙烯醚25%,余量为水。
在上述实施例中,所述增塑剂包括以下百分比的组分:50%的聚邻苯二甲酸乙二醇酯;25%的吐温-80和30%的匀散剂。
在上述实施例中,在初步染色和第二次染色过程中,沿染色机的长度方向对置于溶液中的布料施加周期性的拉力和周期性的压力。
在上述实施例中,在第二次染色步骤中,当染色机的染液浓度较低时,通过溢流的方法排出部分染液,同时注入高浓度染液来提高染色机中染液的浓度,然后对所述部分染液进行浓缩,直至浓缩将所述部分染液浓缩至0.5g/L以上,然后将浓缩后的染液进行回收备用或回输至染色机中,所述高浓度染液的浓度为0.8-1.2g/L。
在上述实施例中,在染料制备过程中,先对蒸馏水进行预加热,预加热温度60℃-80℃,然后将蒸馏水和染料同时导入搅拌釜中进行搅拌,蒸馏水通过螺旋水流的方式导入搅拌釜中。
在上述实施例中,在第二次染色步骤中,在对浓缩后的染液进行回收时,首先对染液进行降温,然后将降温后的浓缩染液输入密封容器中进行存储。
在上述实施例中,在初步清洗和二次清洗过程中采用的清水均为去离子水。
实施例2
其主要特征与实施例1相同,区别特征在于:所述定型液包括以下重量份数的物质:柔软剂20份、磷酸氢二钠30份、增塑剂70份、三硬脂酸甘油酯10份、聚四氟乙烯微粒30份和海藻酸钠3份。
实施例3
其主要特征与实施例1相同,区别特征在于:所述定型液包括以下重量份数的物质:柔软剂30份、磷酸氢二钠40份、增塑剂80份、三硬脂酸甘油酯20份、聚四氟乙烯微粒34份和海藻酸钠5份。
对比例1
其主要特征与实施例1相同,区别特征在于:后定型处理处理过程中按照常规工艺进行。
对比例2
完全按照常规工艺对布料进行染色。
选取实施例1、实施例2、实施例3、对比例1和对比例2中,分别将得到的布料剪取10cm×10cm,并采用分光光度测色仪式电脑测色仪对剪取得布料进行测色,初始色均标记为1;然后,将剪取的布料在相同的溶液中,添加相同的清洗液进行水洗20min,然后,分别取出布料并在阴凉处晾干,清洗次数为1次、3次、5次、10次、20次时,再采用相同方法对晾干的布料进行测色,并计算得到色差,列表如下:
Figure BDA0003232346400000051
由上表可以明确看出,采用本申请的中的色调均匀的布料快速染色方法,能够降低布料在后续清洗过程中的脱色几率,避免清洗过程中染料脱落,出现掉色现象;并且能够降低染料的光氧化分解,提高布料的耐晒牢度。参照实施例1和对比例1可知,采用后定型处理中的定型液对布料进行处理,能够进一步提高染料在布料上的附着率。参照实施例1、实施例2和实施例3可知,当定型液由柔软剂25份、磷酸氢二钠35份、增塑剂75份、三硬脂酸甘油酯15份、聚四氟乙烯微粒32份和海藻酸钠4份组成时,能够达到最佳的防脱色效果。
本发明中应用了具体实施例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的方法及其核心思想;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。

Claims (9)

1.一种色调均匀的布料快速染色方法,包括坯布退浆、坯布预缩、平整处理、碱减量处理、染色处理以及后定型处理,其特征在于,所述染色处理包括以下步骤:
S1:染料的制备:提供蒸馏水,并将染料溶于蒸馏水中配制得到染液,所述染液的浓度为0.5-0.6g/L;
S2:初步染色:将染液稀释获得0.1-0.2g/L的稀释染液,然后将稀释染液注入染色机中,然后将碱减量处理完成的布料放置于染色机内,对染色机中的染液进行加热,加热温度为60-80℃,同时持续搅动布料3-5min;
S3:初步清洗:利用清水对初次染色后的布料进行漂洗,漂洗结束后,采用30℃-50℃的热风对布料进行烘干;
S4:烘干定型:将烘干后的布料进行预定型处理,预定型过程中采用上布机将布料导入定型机设备中进行预定型处理,预定型温度设置为185℃-190℃,定型时间为45-60s;
S5:第二次染色:将浓度为0.5-0.6g/L的染液注入染色机中,然后将预定型的布料放置于染色机内,对染色机中的染液进行加热,加热温度为100-125℃,同时持续搅动布料10-20min,期间对染色机中的染液的浓度进行检测,当检测到染色机中染液的浓度低于0.5g/L时,加入高浓度染液,使得染色机中的染液的浓度保持在0.5-0.6g/L,多余的染料经通过溢流的方式收集,并进行回收再利用;
S6:二次清洗:利用清水对二次染色布料进行漂洗,漂洗结束后,采用30℃-50℃的热风对布料进行烘干;
所述后定型处理包括以下步骤:
A1:采用渗透剂对布料进行浸润;
A2:采用定型机对浸润完成的布料用定型液进行定型处理;
A3:对定型处理后的布料进行烘干,得到染色完成的布料;
所述定型液包括以下重量份数的物质:柔软剂20-30份、磷酸氢二钠30-40份、增塑剂70-80份、三硬脂酸甘油酯10-20份、聚四氟乙烯微粒30-34份和海藻酸钠3-5份。
2.根据权利要求1所述的色调均匀的布料快速染色方法,其特征在于,所述柔软剂包括以下百分比的组分:双十八烷基二甲基氯化铵10%-20%,脂肪醇聚氧乙烯醚20%-30%,余量为水。
3.根据权利要求1所述的色调均匀的布料快速染色方法,其特征在于,所述增塑剂包括以下百分比的组分:40%-60%的聚邻苯二甲酸乙二醇酯;20%-30%的吐温-80和20%-40%的匀散剂。
4.根据权利要求1所述的色调均匀的布料快速染色方法,其特征在于,在初步染色和第二次染色过程中,沿染色机的长度方向对置于溶液中的布料施加周期性的拉力和周期性的压力。
5.根据权利要求1所述的色调均匀的布料快速染色方法,其特征在于,在第二次染色步骤中,当染色机的染液浓度较低时,通过溢流的方法排出部分染液,同时注入高浓度染液来提高染色机中染液的浓度,然后对所述部分染液进行浓缩,直至浓缩将所述部分染液浓缩至0.5g/L以上,然后将浓缩后的染液进行回收备用或回输至染色机中,所述高浓度染液的浓度为0.8-1.2g/L。
6.根据权利要求1所述的色调均匀的布料快速染色方法,其特征在于,在染料制备过程中,先对蒸馏水进行预加热,预加热温度60℃-80℃,然后将蒸馏水和染料同时导入搅拌釜中进行搅拌,蒸馏水通过螺旋水流的方式导入搅拌釜中。
7.根据权利要求5所述的色调均匀的布料快速染色方法,其特征在于,在第二次染色步骤中,在对浓缩后的染液进行回收时,首先对染液进行降温,然后将降温后的浓缩染液输入密封容器中进行存储。
8.根据权利要求1所述的色调均匀的布料快速染色方法,其特征在于,在初步清洗和二次清洗过程中采用的清水均为去离子水。
9.根据权利要求1所述的色调均匀的布料快速染色方法,其特征在于,所述定型液包括以下重量份数的物质:柔软剂25份、磷酸氢二钠35份、增塑剂75份、三硬脂酸甘油酯15份、聚四氟乙烯微粒32份和海藻酸钠4份。
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