CN108755198B - 一种提高活性蓝在棉织物上匀染性的方法 - Google Patents

一种提高活性蓝在棉织物上匀染性的方法 Download PDF

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CN108755198B
CN108755198B CN201810633187.7A CN201810633187A CN108755198B CN 108755198 B CN108755198 B CN 108755198B CN 201810633187 A CN201810633187 A CN 201810633187A CN 108755198 B CN108755198 B CN 108755198B
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张旭
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Abstract

本发明属于棉织物染色技术领域，具体涉及一种提高活性蓝在棉织物上匀染性的方法，用活性蓝配制浴比为1:100的活性染料，加入2.2‑2.8μmol/L的匀染剂、0.2‑0.6μmol/L的匀染助剂，配制染液，在温度为52‑58℃的条件下将待染布放入，染色20分钟后，放入20g/L的氯化钠，升温继续染色20分钟后，加入10g/L的碳酸钠，完成后继续染色40分钟，完成后取出，用热水冲洗，经皂洗、冷水洗后，在烘箱中烘干即可。本发明相比现有技术具有以下优点：本发明中通过匀染剂以及匀染助剂的合理配比，得到活性蓝的标准偏差低至0.009左右，相比现有技术匀染效果大大提高，适用于对棉织物颜色要求较高的产品。

Description

一种提高活性蓝在棉织物上匀染性的方法
技术领域
本发明属于棉织物染色技术领域，具体涉及一种提高活性蓝在棉织物上匀染性的方法。
背景技术
棉织物由其优良的穿着舒适性而备受人们青睐，但棉织物在染色过程中存在染色后色光一致性差、匀染性和染色牢度不好等问题，还可能会出现染花现象，解决棉织物染色不匀最常用的方法为在染色加工中添加匀染剂，匀染剂分为亲纤维型和亲染料型，其中双季铵盐表面活性剂的匀染作用为亲纤维型，在染色过程中染料对纤维的亲和力较大，与棉纤维结合后会影响染料与纤维的结合时间，但同时也保证了匀染性，通过测定植物的表观色差，然后多个点表观色差求平均值的标准偏差，即可判断染色物的匀染性，现有技术中在选择含14个碳的双季铵盐双溴化N，N’-二（十四烷基二甲基）-3氧杂-1（4型）作为匀染剂、且使用浓度为15μmol/时，棉织物的染色标准偏差较小，但相比活性红和活性黄染料，活性蓝染料在偏差最小时仍有0.019，因此，本发明中考虑通过使用新型匀染剂，进一步提高活性蓝在棉织物上的匀染性。
发明内容
本发明的目的是针对现有的问题，提供了一种提高活性蓝在棉织物上匀染性的方法。
本发明是通过以下技术方案实现的：一种提高活性蓝在棉织物上匀染性的方法，用活性蓝配制浴比为1:100的活性染料，加入2.2-2.8μmol/L的匀染剂、0.2-0.6μmol/L的匀染助剂，配制染液，然后在温度为52-58℃的条件下将待染布放入，染色20分钟后，放入20g/L的氯化钠，升温至66℃继续染色20分钟后，加入10g/L的碳酸钠，完成后继续染色40分钟，完成后取出，用热水冲洗，经皂洗、冷水洗后，在烘箱中烘干即可；
所述匀染剂包括以下重量份的原料：三苯乙烯基酚聚氧乙烯醚磷酸酯8-12份、双丙酮丙烯酰胺3-4份、氰基乙酰乙基脲0.2-0.6份；
所述匀染助剂包括以下重量份的原料：丙烯酰氧乙基三甲基氯化铵6-8份、端羟基超支化聚合物1-2份。
作为对上述方案的进一步改进，所述活性蓝为活性蓝EF-2G。
作为对上述方案的进一步改进，所述升温步骤升温速度为4-6℃/分钟。
作为对上述方案的进一步改进，所述冷水温度为8-12℃。
作为对上述方案的进一步改进，所述烘箱中烘干温度为65-75℃。
作为对上述方案的进一步改进，所述端羟基超支化聚合物由摩尔比为1:3.5超支化聚合物单体、三羟甲基丙烷制备得到；其中超支化聚合物单体由摩尔比为1:1.4-1.8的摩尔比丙烯酸甲酯与二乙醇胺制备得到。
作为对上述方案的进一步改进，所述端羟基超支化聚合物制备时还包括催化剂，催化剂为对甲基苯磺酸，催化剂占超支化聚合物单体重量的4-6%。
本发明相比现有技术具有以下优点：本发明中通过匀染剂以及匀染助剂的合理配比，使其对棉纤维和染料均有亲和力，使染料均匀分散，且能使染料快速与棉纤维结合，通过检测色量的标准偏差，活性蓝的标准偏差低至0.009左右，相比现有技术匀染效果大大提高，适用于对棉织物颜色要求较高的产品。
具体实施方式
实施例1
一种提高活性蓝在棉织物上匀染性的方法，用活性蓝配制浴比为1:100的活性染料，加入2.5μmol/L的匀染剂、0.4μmol/L的匀染助剂，配制染液，然后在温度为55℃的条件下将待染布放入，染色20分钟后，放入20g/L的氯化钠，升温至66℃继续染色20分钟后，加入10g/L的碳酸钠，完成后继续染色40分钟，完成后取出，用热水冲洗，经皂洗、冷水洗后，在烘箱中烘干即可；
所述匀染剂包括以下重量份的原料：三苯乙烯基酚聚氧乙烯醚磷酸酯10份、双丙酮丙烯酰胺3.5份、氰基乙酰乙基脲0.4份；
所述匀染助剂包括以下重量份的原料：丙烯酰氧乙基三甲基氯化铵7份、端羟基超支化聚合物1.5份。
其中，所述活性蓝为活性蓝EF-2G；所述升温步骤升温速度为5℃/分钟；所述冷水温度为10℃；所述烘箱中烘干温度为70℃。
其中，所述端羟基超支化聚合物由摩尔比为1:3.5超支化聚合物单体、三羟甲基丙烷制备得到；其中超支化聚合物单体由摩尔比为1:1.6的摩尔比丙烯酸甲酯与二乙醇胺制备得到；所述端羟基超支化聚合物制备时还包括催化剂，催化剂为对甲基苯磺酸，催化剂占超支化聚合物单体重量的5%。
实施例2
一种提高活性蓝在棉织物上匀染性的方法，用活性蓝配制浴比为1:100的活性染料，加入2.2μmol/L的匀染剂、0.6μmol/L的匀染助剂，配制染液，然后在温度为52℃的条件下将待染布放入，染色20分钟后，放入20g/L的氯化钠，升温至66℃继续染色20分钟后，加入10g/L的碳酸钠，完成后继续染色40分钟，完成后取出，用热水冲洗，经皂洗、冷水洗后，在烘箱中烘干即可；
所述匀染剂包括以下重量份的原料：三苯乙烯基酚聚氧乙烯醚磷酸酯12份、双丙酮丙烯酰胺3份、氰基乙酰乙基脲0.2份；
所述匀染助剂包括以下重量份的原料：丙烯酰氧乙基三甲基氯化铵8份、端羟基超支化聚合物1份。
其中，所述活性蓝为活性蓝EF-2G；所述升温步骤升温速度为4℃/分钟；所述冷水温度为12℃；所述烘箱中烘干温度为75℃。
其中，所述端羟基超支化聚合物由摩尔比为1:3.5超支化聚合物单体、三羟甲基丙烷制备得到；其中超支化聚合物单体由摩尔比为1:1.4的摩尔比丙烯酸甲酯与二乙醇胺制备得到；所述端羟基超支化聚合物制备时还包括催化剂，催化剂为对甲基苯磺酸，催化剂占超支化聚合物单体重量的6%。
实施例3
一种提高活性蓝在棉织物上匀染性的方法，用活性蓝配制浴比为1:100的活性染料，加入2.8μmol/L的匀染剂、0.2μmol/L的匀染助剂，配制染液，然后在温度为58℃的条件下将待染布放入，染色20分钟后，放入20g/L的氯化钠，升温至66℃继续染色20分钟后，加入10g/L的碳酸钠，完成后继续染色40分钟，完成后取出，用热水冲洗，经皂洗、冷水洗后，在烘箱中烘干即可；
所述匀染剂包括以下重量份的原料：三苯乙烯基酚聚氧乙烯醚磷酸酯8份、双丙酮丙烯酰胺4份、氰基乙酰乙基脲0.2份；
所述匀染助剂包括以下重量份的原料：丙烯酰氧乙基三甲基氯化铵6份、端羟基超支化聚合物2份。
其中，所述活性蓝为活性蓝EF-2G；所述升温步骤升温速度为6℃/分钟；所述冷水温度为8℃；所述烘箱中烘干温度为65℃。
其中，所述端羟基超支化聚合物由摩尔比为1:3.5超支化聚合物单体、三羟甲基丙烷制备得到；其中超支化聚合物单体由摩尔比为1:1.8的摩尔比丙烯酸甲酯与二乙醇胺制备得到；所述端羟基超支化聚合物制备时还包括催化剂，催化剂为对甲基苯磺酸，催化剂占超支化聚合物单体重量的4%。
设置对照组1，将实施例1中匀染助剂去掉，其余内容不变；设置对照组2，将实施例1匀染剂中双丙酮丙烯酰胺去掉，其余内容不变；设置对照组3，将实施例1中氰基乙酰乙基脲去掉，其余内容不变；设置对照组4，将实施例1中端羟基超支化聚合物去掉，其余内容不变；设置对照组5，将实施例1中丙烯酰氧乙基三甲基氯化铵去掉，其余内容不变；
在电脑测色仪上任取织物上8个点测定植物表观得色量（K/S），然后求平均值并计算标准偏差Sr（λ），得到以下结果：
表1
Figure 247708DEST_PATH_IMAGE002
通过表1中数据可以看出，本发明中通过匀染剂和匀染助剂的合理配比，能够提高活性蓝在棉织物上的匀染性，适用于对染色质量较高的产品。

Claims (7)

1.一种提高活性蓝在棉织物上匀染性的方法，其特征在于，用活性蓝配制浴比为1:100的活性染料，加入2.2-2.8μmol/L的匀染剂、0.2-0.6μmol/L的匀染助剂，配制染液，然后在温度为52-58℃的条件下将待染布放入，染色20分钟后，放入20g/L的氯化钠，升温至66℃继续染色20分钟后，加入10g/L的碳酸钠，完成后继续染色40分钟，完成后取出，用热水冲洗，经皂洗、冷水洗后，在烘箱中烘干即可；
所述匀染剂包括以下重量份的原料：三苯乙烯基酚聚氧乙烯醚磷酸酯8-12份、双丙酮丙烯酰胺3-4份、氰基乙酰乙基脲0.2-0.6份；
所述匀染助剂包括以下重量份的原料：丙烯酰氧乙基三甲基氯化铵6-8份、端羟基超支化聚合物1-2份。
2.如权利要求1所述一种提高活性蓝在棉织物上匀染性的方法，其特征在于，所述活性蓝为活性蓝EF-2G。
3.如权利要求1所述一种提高活性蓝在棉织物上匀染性的方法，其特征在于，所述升温步骤升温速度为4-6℃/分钟。
4.如权利要求1所述一种提高活性蓝在棉织物上匀染性的方法，其特征在于，所述冷水温度为8-12℃。
5.如权利要求1所述一种提高活性蓝在棉织物上匀染性的方法，其特征在于，所述烘箱中烘干温度为65-75℃。
6.如权利要求1所述一种提高活性蓝在棉织物上匀染性的方法，其特征在于，所述端羟基超支化聚合物由摩尔比为1:3.5超支化聚合物单体、三羟甲基丙烷制备得到；其中超支化聚合物单体由摩尔比为1:1.4-1.8的摩尔比丙烯酸甲酯与二乙醇胺制备得到。
7.如权利要求6所述一种提高活性蓝在棉织物上匀染性的方法，其特征在于，所述端羟基超支化聚合物制备时还包括催化剂，催化剂为对甲基苯磺酸，催化剂占超支化聚合物单体重量的4-6%。
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