CN108708199A - 一种棉织物的染色方法 - Google Patents

一种棉织物的染色方法 Download PDF

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CN108708199A
CN108708199A CN201810653791.6A CN201810653791A CN108708199A CN 108708199 A CN108708199 A CN 108708199A CN 201810653791 A CN201810653791 A CN 201810653791A CN 108708199 A CN108708199 A CN 108708199A
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cotton fabric
sodium
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谈杰
章磊
汪健东
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Anhui Looking Treasure Textile Technology Co Ltd
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Abstract

本发明公开了一种棉织物的染色方法，包括以下步骤：（1）预处理；（2）染色；（3）后处理。与现有技术相比，本发明的有益效果为：本发明的预处理工序可避免棉织物强力损伤，提高了染整加工效率；本发明使用的染料能够提高织物的色牢度，染色后色泽稳定；本发明的染色方法能提高棉织物的着色率和合格率，成品的色牢度高，操作过程简单，染料在缸里的稳定性好，有利于控制纤维染色的均匀性。

Description

一种棉织物的染色方法
技术领域
本发明涉及织物染整领域，特别是一种棉织物的染色方法。
背景技术
棉织物因其穿着舒适、柔软、不易变形，成为T恤、内衣、运动休闲面料的首选，但天然棉纤维本身含有油脂、蜡质、灰分、果胶、木质素、色素等天然杂质，上述杂质需要通过煮练和漂白等工序去除，且在织造过程中以及染整加工过程中棉针织物表面的绒毛逐渐裸露在织物表面，这些绒毛长短影响织物的外观和光洁度，需要通过一定的加工去除织物上大部分绒毛，使织物表面光洁，以提高棉织物的柔软性、吸湿性、白度和光洁度等。
棉织物的染色目前主要采用活性染料，但由于棉纤维带有负电荷，而活性染料分子中含有较多的阴离子基团，在水溶液也带有负电荷，静电斥力的存在使得染料分子不易靠近棉纤维并吸附，因此在染色过程中需要加入大量的无机盐进行促染，来提高染料的上染率，即便如此，染料的上染率也比较低，同时大量无机盐的使用给污水处理又带来了很大的负担。
发明内容
本发明的目的是提供一种棉织物的染色方法，以解决现有技术中的不足，它能够在不损伤棉纤维的前提下提高棉织物的柔软性、吸湿性以及上染率。
本发明提供了一种棉织物的染色方法，包括以下步骤：
（1）预处理：将棉织物依次浸渍于精炼漂白液中处理，所述精炼漂白液包括4-8g/L生物酶、0.8-1.6g/L纤维素酶、5-9g/L双氧水，2-5g/L漂白活化剂，3-6g/L螯合剂和2-4g/L助剂，使用酸碱调节剂将pH调节为6-7 .5，将棉织物按浴比1：30-80投入精炼漂白液中，以0.5-1.5℃/min的升温速度升温至55-65℃，保温45-90min，最后将棉织物水洗、烘干或晾干；
（2）染色：向缸内加入染料、硫酸钠和碱，对棉织物进行染色，在25-40℃下向缸内加入染料，保温30-50min，向缸内加入硫酸钠后，保温30-60min，然后将温度升高为55-75℃，保温35-70min后，向缸内加入碱，保温45-60min，完成棉纤维的染色，所述染料包括以下重量份数的组分：8-10份二苯醚四酸二酐、2-5份聚丙二醇、16-22份云母粉、2-5份硬脂酸锌、5-8份乙酸丙酯、8-12份氧铁红、8-12份乙基三乙氧基硅烷、7-10份氢氧化钠、4-7份碳酸钠、3-5份乙醇、42-48份水以及5-8份聚乙烯吡咯烷酮；
（3）后处理：将染色后的棉织物经过油处理后得到染色棉织物。
优选的是，步骤（1）中所述螯合剂为硅酸钠、植酸或植酸钠中的一种或几种。
优选的是，步骤（1）中所述酸碱调节剂为醋酸、盐酸、硫酸、碳酸钠、碳酸氢钠、醋酸钠或柠檬酸钠中的一种或几种。
优选的是，步骤（2）中所述染料包括以下重量份数的组分：9份二苯醚四酸二酐、3.5份聚丙二醇、19份云母粉、3份硬脂酸锌、7份乙酸丙酯、10份氧铁红、10份乙基三乙氧基硅烷、8.5份氢氧化钠、6份碳酸钠、4份乙醇、46份水以及6.5份聚乙烯吡咯烷酮。
优选的是，步骤（3）中所述棉织物经过油处理的时间为40-65min。
与现有技术相比，本发明的有益效果为：本发明的预处理工序可避免棉织物强力损伤，提高了染整加工效率；本发明使用的染料能够提高织物的色牢度，染色后色泽稳定；本发明的染色方法能提高棉织物的着色率和合格率，成品的色牢度高，操作过程简单，染料在缸里的稳定性好，有利于控制纤维染色的均匀性。
具体实施方式
本发明的实施例：一种棉织物的染色方法，包括以下步骤：
（1）预处理：将棉织物依次浸渍于精炼漂白液中处理，所述精炼漂白液包括4-8g/L生物酶、0.8-1.6g/L纤维素酶、5-9g/L双氧水，2-5g/L漂白活化剂，3-6g/L螯合剂和2-4g/L助剂，使用酸碱调节剂将pH调节为6-7 .5，将棉织物按浴比1：30-80投入精炼漂白液中，以0.5-1.5℃/min的升温速度升温至55-65℃，保温45-90min，最后将棉织物水洗、烘干或晾干；
（2）染色：向缸内加入染料、硫酸钠和碱，对棉织物进行染色，在25-40℃下向缸内加入染料，保温30-50min，向缸内加入硫酸钠后，保温30-60min，然后将温度升高为55-75℃，保温35-70min后，向缸内加入碱，保温45-60min，完成棉纤维的染色，所述染料包括以下重量份数的组分：8-10份二苯醚四酸二酐、2-5份聚丙二醇、16-22份云母粉、2-5份硬脂酸锌、5-8份乙酸丙酯、8-12份氧铁红、8-12份乙基三乙氧基硅烷、7-10份氢氧化钠、4-7份碳酸钠、3-5份乙醇、42-48份水以及5-8份聚乙烯吡咯烷酮；
（3）后处理：将染色后的棉织物经过油处理后得到染色棉织物。
步骤（1）中所述螯合剂为硅酸钠、植酸或植酸钠中的一种或几种。
步骤（1）中所述酸碱调节剂为醋酸、盐酸、硫酸、碳酸钠、碳酸氢钠、醋酸钠或柠檬酸钠中的一种或几种。
步骤（2）中所述染料包括以下重量份数的组分：9份二苯醚四酸二酐、3.5份聚丙二醇、19份云母粉、3份硬脂酸锌、7份乙酸丙酯、10份氧铁红、10份乙基三乙氧基硅烷、8.5份氢氧化钠、6份碳酸钠、4份乙醇、46份水以及6.5份聚乙烯吡咯烷酮。
步骤（3）中所述棉织物经过油处理的时间为40-65min。

Claims (5)

1.一种棉织物的染色方法，其特征在于：包括以下步骤：
（1）预处理：将棉织物依次浸渍于精炼漂白液中处理，所述精炼漂白液包括4-8g/L生物酶、0.8-1.6g/L纤维素酶、5-9g/L双氧水，2-5g/L漂白活化剂，3-6g/L螯合剂和2-4g/L助剂，使用酸碱调节剂将pH调节为6-7 .5，将棉织物按浴比1：30-80投入精炼漂白液中，以0.5-1.5℃/min的升温速度升温至55-65℃，保温45-90min，最后将棉织物水洗、烘干或晾干；
（2）染色：向缸内加入染料、硫酸钠和碱，对棉织物进行染色，在25-40℃下向缸内加入染料，保温30-50min，向缸内加入硫酸钠后，保温30-60min，然后将温度升高为55-75℃，保温35-70min后，向缸内加入碱，保温45-60min，完成棉纤维的染色，所述染料包括以下重量份数的组分：8-10份二苯醚四酸二酐、2-5份聚丙二醇、16-22份云母粉、2-5份硬脂酸锌、5-8份乙酸丙酯、8-12份氧铁红、8-12份乙基三乙氧基硅烷、7-10份氢氧化钠、4-7份碳酸钠、3-5份乙醇、42-48份水以及5-8份聚乙烯吡咯烷酮；
（3）后处理：将染色后的棉织物经过油处理后得到染色棉织物。
2.根据权利要求1所述的棉织物的染色方法，其特征在于：步骤（1）中所述螯合剂为硅酸钠、植酸或植酸钠中的一种或几种。
3.根据权利要求1所述的棉织物的染色方法，其特征在于：步骤（1）中所述酸碱调节剂为醋酸、盐酸、硫酸、碳酸钠、碳酸氢钠、醋酸钠或柠檬酸钠中的一种或几种。
4.根据权利要求1所述的棉织物的染色方法，其特征在于：步骤（2）中所述染料包括以下重量份数的组分：9份二苯醚四酸二酐、3.5份聚丙二醇、19份云母粉、3份硬脂酸锌、7份乙酸丙酯、10份氧铁红、10份乙基三乙氧基硅烷、8.5份氢氧化钠、6份碳酸钠、4份乙醇、46份水以及6.5份聚乙烯吡咯烷酮。
5.根据权利要求1所述的棉织物的染色方法，其特征在于：步骤（3）中所述棉织物经过油处理的时间为40-65min。
CN201810653791.6A 2018-06-22 2018-06-22 一种棉织物的染色方法 Withdrawn CN108708199A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109680515A (zh) * 2019-01-24 2019-04-26 河北科技大学 一种间接电化学染色媒介及电化学染色工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109680515A (zh) * 2019-01-24 2019-04-26 河北科技大学 一种间接电化学染色媒介及电化学染色工艺
CN109680515B (zh) * 2019-01-24 2021-06-01 河北科技大学 一种间接电化学染色媒介及电化学染色工艺

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Application publication date: 20181026