CN107724134A - 一种降低涤纶布染色不均的方法 - Google Patents

一种降低涤纶布染色不均的方法 Download PDF

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CN107724134A
CN107724134A CN201711150746.0A CN201711150746A CN107724134A CN 107724134 A CN107724134 A CN 107724134A CN 201711150746 A CN201711150746 A CN 201711150746A CN 107724134 A CN107724134 A CN 107724134A
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woven dacron
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张明
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Anhui Yu Ran Warp Knitting Technology Co Ltd
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Abstract

本发明公开了一种降低涤纶布染色不均的方法,涉及涤纶产品技术领域,包括以下步骤:(1)无水乙醇浸泡;(2)硅钨酸溶液浸渍处理:(3)浸渍液浸渍处理;(4)抽真空干燥;(5)染色;本发明通过对涤纶的采用无水乙醇进行处理,能够有效的消除涤纶表面的杂质和异物,通过采用硅钨酸溶液对涤纶进行浸渍处理,能够有效的提高涤纶表面亲和性,然后通过采用浸渍剂浸渍处理,能够对涤纶表面对染料分子的吸附性,能够极大的提高涤纶表面对染料的亲和力,使得染料分子和涤纶表面纤维分子之间建立起较强的结合力,能够明显提高涤纶染色后的均匀性,从而使得涤纶表面染色均匀性得到极大的提高。

Description

一种降低涤纶布染色不均的方法
技术领域
本发明属于涤纶产品技术领域,具体涉及一种降低涤纶布染色不均的方法。
背景技术
目前对涤纶布进行染色的过程中,一般采用染色浴比为1∶8,且染料呈弱酸性,染色从起始温度开始以不同的升温速度升温至某一温度后,并在该温度点保持较佳的时间,接着再以不同的降温速度将温度降至起始温度,不管在降温或是升温的过程中,除了在最高温度点持温过,其他的温度点均是降温或升温,这样的染色方法,一旦涤纶布是由多种不同性质的涤纶纱源组成,加上染料配方组合是不同性质的染料组合,就会因染料上染得速度不一致,即有些染料上染较快、有些上染较慢,从而较易造成涤纶布的染色不均或阴阳色的产生,使得染色完毕的涤纶布面上各处对比色差较大,按照灰卡判断色差等级小于4级,布面出现染色不均概率增大。
发明内容
本发明的目的是针对现有的问题,提供了一种降低涤纶布染色不均的方法。
本发明是通过以下技术方案实现的:
一种降低涤纶布染色不均的方法,包括以下步骤:
(1)将涤纶布采用无水乙醇进行浸泡40-50min,然后取出,采用去离子水进行清洗至中性,烘干至恒重;
(2)将步骤(1)中处理的涤纶布浸渍到质量分数为3.5-5.8%的硅钨酸溶液中,浸渍时间为30-40min,浸渍压力为1.5-1.8MPa,然后取出,采用去离子水清洗,烘干;
(3)将步骤(2)处理的涤纶布浸渍到浸渍剂中进行浸渍处理,处理时间3-5小时,浸渍压力为1.3-1.5MPa;所述浸渍剂按重量份计由以下成分制成:柠檬酸5-8、淀粉12-15、乳化石蜡4-6、硼酸1.5-2.0、烷基苯磺酸盐1.0-1.5、水100;
(4)将浸渍液排空后抽真空35-50min,然后将浸渍处理后的涤纶布送至涤纶布干燥窑干燥处理,涤纶布干燥窑内温度为72-78℃,时间为2-4小时,干燥处理后涤纶布的含水率为10%;
(5)将上述处理的涤纶布进行染色,染色浴比为1∶10,染料呈弱酸性。
进一步的,所述涤纶布采用的涤纶原料是由对苯二甲酸二甲酯(DMT)和乙二醇(EG)为原料经酯化或酯交换和缩聚反应而制得。
进一步的,所述步骤(1)中无水乙醇浸泡温度为40-50℃。
进一步的,所述步骤(2)中硅钨酸溶液溶液中含有其质量0.12%的氯化钾。
进一步的,所述步骤(3)中淀粉为木薯淀粉。
进一步的,所述步骤(4)中抽真空,真空度为0.06MPa。
进一步的,所述步骤(5)中染料呈弱酸性,其pH为6.2。
本发明相比现有技术具有以下优点:本发明通过对涤纶的采用无水乙醇进行处理,能够有效的消除涤纶表面的杂质和异物,通过采用硅钨酸溶液对涤纶进行浸渍处理,能够有效的提高涤纶表面亲和性,然后通过采用浸渍剂浸渍处理,能够对涤纶表面对染料分子的吸附性,能够极大的提高涤纶表面对染料的亲和力,使得染料分子和涤纶表面纤维分子之间建立起较强的结合力,能够明显提高涤纶染色后的均匀性,极大的提高了涤纶对染料分子的吸附量,最主要的是单位面积涤纶表面对染料分子吸附量相同,从而使得涤纶表面染色均匀性得到极大的提高。
具体实施方式
实施例1
一种降低涤纶布染色不均的方法,包括以下步骤:
(1)将涤纶布采用无水乙醇进行浸泡40min,然后取出,采用去离子水进行清洗至中性,烘干至恒重;
(2)将步骤(1)中处理的涤纶布浸渍到质量分数为3.5%的硅钨酸溶液中,浸渍时间为30min,浸渍压力为1.5MPa,然后取出,采用去离子水清洗,烘干;
(3)将步骤(2)处理的涤纶布浸渍到浸渍剂中进行浸渍处理,处理时间3小时,浸渍压力为1.3MPa;所述浸渍剂按重量份计由以下成分制成:柠檬酸5、淀粉12、乳化石蜡4、硼酸1.5、烷基苯磺酸盐1.0、水100;
(4)将浸渍液排空后抽真空35-50min,然后将浸渍处理后的涤纶布送至涤纶布干燥窑干燥处理,涤纶布干燥窑内温度为72℃,时间为2小时,干燥处理后涤纶布的含水率为10%;
(5)将上述处理的涤纶布进行染色,染色浴比为1∶10,染料呈弱酸性。
进一步的,所述涤纶布采用的涤纶原料是由对苯二甲酸二甲酯(DMT)和乙二醇(EG)为原料经酯化或酯交换和缩聚反应而制得。
进一步的,所述步骤(1)中无水乙醇浸泡温度为40℃。
进一步的,所述步骤(2)中硅钨酸溶液溶液中含有其质量0.12%的氯化钾。
进一步的,所述步骤(3)中淀粉为木薯淀粉。
进一步的,所述步骤(4)中抽真空,真空度为0.06MPa。
进一步的,所述步骤(5)中染料呈弱酸性,其pH为6.2。
实施例2
一种降低涤纶布染色不均的方法,包括以下步骤:
(1)将涤纶布采用无水乙醇进行浸泡50min,然后取出,采用去离子水进行清洗至中性,烘干至恒重;
(2)将步骤(1)中处理的涤纶布浸渍到质量分数为5.8%的硅钨酸溶液中,浸渍时间为40min,浸渍压力为1.8MPa,然后取出,采用去离子水清洗,烘干;
(3)将步骤(2)处理的涤纶布浸渍到浸渍剂中进行浸渍处理,处理时间5小时,浸渍压力为1.5MPa;所述浸渍剂按重量份计由以下成分制成:柠檬酸8、淀粉15、乳化石蜡6、硼酸2.0、烷基苯磺酸盐1.5、水100;
(4)将浸渍液排空后抽真空50min,然后将浸渍处理后的涤纶布送至涤纶布干燥窑干燥处理,涤纶布干燥窑内温度为78℃,时间为4小时,干燥处理后涤纶布的含水率为10%;
(5)将上述处理的涤纶布进行染色,染色浴比为1∶10,染料呈弱酸性。
进一步的,所述涤纶布采用的涤纶原料是由对苯二甲酸二甲酯(DMT)和乙二醇(EG)为原料经酯化或酯交换和缩聚反应而制得。
进一步的,所述步骤(1)中无水乙醇浸泡温度为50℃。
进一步的,所述步骤(2)中硅钨酸溶液溶液中含有其质量0.12%的氯化钾。
进一步的,所述步骤(3)中淀粉为木薯淀粉。
进一步的,所述步骤(4)中抽真空,真空度为0.06MPa。
进一步的,所述步骤(5)中染料呈弱酸性,其pH为6.2。
实施例3
一种降低涤纶布染色不均的方法,包括以下步骤:
(1)将涤纶布采用无水乙醇进行浸泡45min,然后取出,采用去离子水进行清洗至中性,烘干至恒重;
(2)将步骤(1)中处理的涤纶布浸渍到质量分数为3.8%的硅钨酸溶液中,浸渍时间为32min,浸渍压力为1.6MPa,然后取出,采用去离子水清洗,烘干;
(3)将步骤(2)处理的涤纶布浸渍到浸渍剂中进行浸渍处理,处理时间4小时,浸渍压力为1.4MPa;所述浸渍剂按重量份计由以下成分制成:柠檬酸6、淀粉13、乳化石蜡5、硼酸1.8、烷基苯磺酸盐1.2、水100;
(4)将浸渍液排空后抽真空38min,然后将浸渍处理后的涤纶布送至涤纶布干燥窑干燥处理,涤纶布干燥窑内温度为75℃,时间为3小时,干燥处理后涤纶布的含水率为10%;
(5)将上述处理的涤纶布进行染色,染色浴比为1∶10,染料呈弱酸性。
进一步的,所述涤纶布采用的涤纶原料是由对苯二甲酸二甲酯(DMT)和乙二醇(EG)为原料经酯化或酯交换和缩聚反应而制得。
进一步的,所述步骤(1)中无水乙醇浸泡温度为42℃。
进一步的,所述步骤(2)中硅钨酸溶液溶液中含有其质量0.12%的氯化钾。
进一步的,所述步骤(3)中淀粉为木薯淀粉。
进一步的,所述步骤(4)中抽真空,真空度为0.06MPa。
进一步的,所述步骤(5)中染料呈弱酸性,其pH为6.2。
对比例1:与实施例1区别仅在于以普通涤纶布进行染色,染色浴比为1∶10,染料呈弱酸性。
分别按实施例与对比例方法采用酸性蓝BGA对涤纶布进行染色处理,对比染色均匀性:
表1
染色效果
实施例1 均匀
实施例2 均匀
实施例3 均匀
对比例1 明显色花
由表1可以看出,本发明方法能够有效的提高涤纶布染色均匀性。

Claims (7)

1.一种降低涤纶布染色不均的方法,其特征在于,包括以下步骤:
(1)将涤纶布采用无水乙醇进行浸泡40-50min,然后取出,采用去离子水进行清洗至中性,烘干至恒重;
(2)将步骤(1)中处理的涤纶布浸渍到质量分数为3.5-5.8%的硅钨酸溶液中,浸渍时间为30-40min,浸渍压力为1.5-1.8MPa,然后取出,采用去离子水清洗,烘干;
(3)将步骤(2)处理的涤纶布浸渍到浸渍剂中进行浸渍处理,处理时间3-5小时,浸渍压力为1.3-1.5MPa;所述浸渍剂按重量份计由以下成分制成:柠檬酸5-8、淀粉12-15、乳化石蜡4-6、硼酸1.5-2.0、烷基苯磺酸盐1.0-1.5、水100;
(4)将浸渍液排空后抽真空35-50min,然后将浸渍处理后的涤纶布送至涤纶布干燥窑干燥处理,涤纶布干燥窑内温度为72-78℃,时间为2-4小时,干燥处理后涤纶布的含水率为10%;
(5)将上述处理的涤纶布进行染色,染色浴比为1∶10,染料呈弱酸性。
2.如权利要求1所述的一种降低涤纶布染色不均的方法,其特征在于,所述涤纶布采用的涤纶原料是由对苯二甲酸二甲酯(DMT)和乙二醇(EG)为原料经酯化或酯交换和缩聚反应而制得。
3.如权利要求1所述的一种降低涤纶布染色不均的方法,其特征在于,所述步骤(1)中无水乙醇浸泡温度为40-50℃。
4.如权利要求1所述的一种降低涤纶布染色不均的方法,其特征在于,所述步骤(2)中硅钨酸溶液溶液中含有其质量0.12%的氯化钾。
5.如权利要求1所述的一种降低涤纶布染色不均的方法,其特征在于,所述步骤(3)中淀粉为木薯淀粉。
6.如权利要求1所述的一种降低涤纶布染色不均的方法,其特征在于,所述步骤(4)中抽真空,真空度为0.06MPa。
7.如权利要求1所述的一种降低涤纶布染色不均的方法,其特征在于,所述步骤(5)中染料呈弱酸性,其pH为6.2。
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