CN107503198A - 一种提高耐洗牢度的羊绒纤维染色方法 - Google Patents

一种提高耐洗牢度的羊绒纤维染色方法 Download PDF

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CN107503198A
CN107503198A CN201710810003.5A CN201710810003A CN107503198A CN 107503198 A CN107503198 A CN 107503198A CN 201710810003 A CN201710810003 A CN 201710810003A CN 107503198 A CN107503198 A CN 107503198A
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cashmere fiber
washing
minutes
cashmere
plasma treatment
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王广强
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Anhui Baoyuan Headwear Co Ltd
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Abstract

本发明属于羊绒纤维染色技术领域，具体涉及一种提高耐洗牢度的羊绒纤维染色方法，包括羊绒纤维预处理、等离子处理、浸染、冷藏后喷涂碱性果胶酶溶液。本发明相比现有技术具有以下优点：本发明中通过对羊绒纤维进行预处理，能够起到软化、漂白以及杀菌的作用，能够提高后续上色均匀性；烘干后配合等离子处理，能够改变羊绒纤维表面的鳞片形态结构，增强羊绒纤维，在染色过程中分布且配合超声处理，能够使上染率达到97%以上，不易褪色；染色工艺简单，对羊绒纤维损伤较小，在冷藏处理后碱性果胶酶溶液的处理，能够对羊绒纤维鳞片空槽处进行填充，形成网状交联的膜结构，使染色后成品色泽鲜艳饱满，同时进一步增强固色效果，改善纤维手感。

Description

一种提高耐洗牢度的羊绒纤维染色方法
技术领域
本发明属于羊绒纤维染色技术领域，具体涉及一种提高耐洗牢度的羊绒纤维染色方法。
背景技术
羊绒通常纯纺或与细羊毛混纺，制成的羊绒产品价格贵、手感好、美观等优点，但羊毛经过长时间的日光照射，由于羊毛本身的化学特点，可使大部分羊毛的颜色变成淡黄色或黄色，特别是羊背部的毛梢颜色较深，甚至变为棕色或褐黑色，套毛某些部位由于细菌污渍、尿渍等原因也较黄，直接影响了纯白成品的洁白度和色光度等外观质量指标，能否将这些抵挡羊毛投入生产中，是资源能否有效利用的问题，因此需要进一步研究。
发明内容
本发明的目的是针对现有的问题，提供了一种提高耐洗牢度的羊绒纤维染色方法。
本发明是通过以下技术方案实现的：一种提高耐洗牢度的羊绒纤维染色方法，包括以下步骤：
（1）将羊绒纤维放到预处理溶液中浸漂，预处理溶液包括：双氧水12-16mL/L、苯甲酸12-16g/L、双甘油硼酸酯单脂肪酸酯6-8g/L，浸漂温度为32-36℃，浸漂时间为8-12小时；
（2）将上述处理后的羊绒纤维在95-105℃的环境下烘燥8-15分钟，控制羊绒纤维的回潮率为6-8%，然后送入等离子处理装置中进行等离子处理；
（3）所述等离子处理后的羊绒纤维浸入染液中，在温度为45℃的条件下处理35-45分钟；然后升温至75-85℃，同时用功率为80-120W的超声波进行处理，超声波每5分钟处理30s，处理60分钟后降温即得；
（4）将染色后的羊绒纤维送入真空冷藏室中，在0-4℃的条件下冷藏1.5-2.5小时，然后再喷涂质量浓度为2.2-2.5%的碱性果胶酶溶液，喷涂量为6-8g/㎡，在频率为200-300MHz的微波辐射条件下至涂层全干，再经酶灭活后洗涤后自然风干。
作为对上述方案的进一步改进，所述等离子处理的等离子放电功率为1200-1500W，处理速度为20-40m/min，处理时间为2-8分钟。
作为对上述方案的进一步改进，所述超声波的超声电压为220V，频率为40-60Hz。
作为对上述方案的进一步改进，所述碱性果胶酶溶液的pH值为8.2-8.4，活力为2.5×105-6.5×105u/g。
作为对上述方案的进一步改进，所述酶灭活的方法为在85-95℃的热水中处理8-12分钟。
本发明相比现有技术具有以下优点：本发明中通过对羊绒纤维进行预处理，能够起到软化、漂白以及杀菌的作用，能够提高后续上色均匀性；烘干后配合等离子处理，能够改变羊绒纤维表面的鳞片形态结构，增强羊绒纤维，在染色过程中分布且配合超声处理，能够使上染率达到97%以上，不易褪色；染色工艺简单，对羊绒纤维损伤较小，在冷藏处理后碱性果胶酶溶液的处理，能够对羊绒纤维鳞片空槽处进行填充，形成网状交联的膜结构，使染色后成品色泽鲜艳饱满，同时进一步增强固色效果，改善纤维手感。
具体实施方式
实施例1
一种提高耐洗牢度的羊绒纤维染色方法，包括以下步骤：
（1）将羊绒纤维放到预处理溶液中浸漂，预处理溶液包括：双氧水14mL/L、苯甲酸14g/L、双甘油硼酸酯单脂肪酸酯7g/L，浸漂温度为34℃，浸漂时间为10小时；
（2）将上述处理后的羊绒纤维在100℃的环境下烘燥12分钟，控制羊绒纤维的回潮率为7%，然后送入等离子处理装置中进行等离子处理；
所述等离子处理的等离子放电功率为1250W，处理速度为30m/min，处理时间为5分钟；
（3）所述等离子处理后的羊绒纤维浸入染液中，在温度为45℃的条件下处理40分钟；然后升温至80℃，同时用功率为100W的超声波进行处理，超声波每5分钟处理30s，所述超声波的超声电压为220V，频率为50Hz，处理60分钟后降温即得；
（4）将染色后的羊绒纤维送入真空冷藏室中，在2℃的条件下冷藏2小时，然后再喷涂质量浓度为2.4%的碱性果胶酶溶液，喷涂量为7g/㎡，在频率为250MHz的微波辐射条件下至涂层全干，再经酶灭活后洗涤后自然风干，酶灭活的方法为在80℃的热水中处理10分钟；
所述碱性果胶酶溶液的pH值为8.3，活力为2.5×105-6.5×105u/g。
实施例2
一种提高耐洗牢度的羊绒纤维染色方法，包括以下步骤：
（1）将羊绒纤维放到预处理溶液中浸漂，预处理溶液包括：双氧水12mL/L、苯甲酸16g/L、双甘油硼酸酯单脂肪酸酯6g/L，浸漂温度为32℃，浸漂时间为8小时；
（2）将上述处理后的羊绒纤维在105℃的环境下烘燥8分钟，控制羊绒纤维的回潮率为6%，然后送入等离子处理装置中进行等离子处理；
所述等离子处理的等离子放电功率为1200W，处理速度为40m/min，处理时间为2分钟；
（3）所述等离子处理后的羊绒纤维浸入染液中，在温度为45℃的条件下处理35分钟；然后升温至85℃，同时用功率为120W的超声波进行处理，超声波每5分钟处理30s，所述超声波的超声电压为220V，频率为40Hz，处理60分钟后降温即得；
（4）将染色后的羊绒纤维送入真空冷藏室中，在4℃的条件下冷藏1.5小时，然后再喷涂质量浓度为2.2%的碱性果胶酶溶液，喷涂量为8g/㎡，在频率为300MHz的微波辐射条件下至涂层全干，再经酶灭活后洗涤后自然风干，酶灭活的方法为在95℃的热水中处理8分钟；
所述碱性果胶酶溶液的pH值为8.4，活力为2.5×105-6.5×105u/g。
实施例3
一种提高耐洗牢度的羊绒纤维染色方法，包括以下步骤：
（1）将羊绒纤维放到预处理溶液中浸漂，预处理溶液包括：双氧水16mL/L、苯甲酸12g/L、双甘油硼酸酯单脂肪酸酯8g/L，浸漂温度为36℃，浸漂时间为12小时；
（2）将上述处理后的羊绒纤维在95℃的环境下烘燥15分钟，控制羊绒纤维的回潮率为8%，然后送入等离子处理装置中进行等离子处理；
所述等离子处理的等离子放电功率为1500W，处理速度为20m/min，处理时间为8分钟；
（3）所述等离子处理后的羊绒纤维浸入染液中，在温度为45℃的条件下处理45分钟；然后升温至75℃，同时用功率为80W的超声波进行处理，超声波每5分钟处理30s，所述超声波的超声电压为220V，频率为60Hz，处理60分钟后降温即得；
（4）将染色后的羊绒纤维送入真空冷藏室中，在0℃的条件下冷藏2.5小时，然后再喷涂质量浓度为2.5%的碱性果胶酶溶液，喷涂量为6g/㎡，在频率为200MHz的微波辐射条件下至涂层全干，再经酶灭活后洗涤后自然风干，酶灭活的方法为在85℃的热水中处理12分钟；
所述碱性果胶酶溶液的pH值为8.2，活力为2.5×105-6.5×105u/g。
设置对照组1，将实施例1中预处理溶液替换为等温度的热水，其余内容不变；
设置对照组2，将实施例1中等离子处理过程去掉，其余内容不变；
设置对照组3，将实施例1中“在温度为45℃的条件下处理40分钟”步骤去掉，其余内容不变；
设置对照组4，将实施例1中超声波处理过程去掉，其余内容不变；
设置对照组5，将实施例1步骤（4）中冷藏过程去掉，其余内容不变；
设置对照组6，将实施例1中步骤（4）去掉，替换为直接烘干，其余内容不变；
对各组羊绒染色性能进行检测，所述断裂强力损失率为羊绒纤维染色处理后与处理前相比，得到以下结果：
表1
组别 断裂强力（cN） 断裂强力损失率（%） 水洗牢度 皂洗牢度 上染率（%）
实施例1 2.873 -5.4 4级 4级 97.6
实施例2 2.864 -4.7 4级 4级 97.2
实施例3 2.869 -5.3 4级 4级 97.5
对照组1 2.854 12.8 3级 3级 94.3
对照组2 2.868 7.6 3级 2级 93.7
对照组3 2.872 0.04 3级 3级 94.2
对照组4 2.875 2.5 3级 3级 92.8
对照组5 2.869 4.7 3级 3级 95.4
对照组6 2.872 -2.2 2级 2级 93.6
通过表1中数据可以看出，本发明中方法能够增强羊绒纤维的断裂强力，上色效果好，耐洗性能明显增强，柔软度好。

Claims (5)

1.一种提高耐洗牢度的羊绒纤维染色方法，其特征在于，包括以下步骤：
（1）将羊绒纤维放到预处理溶液中浸漂，预处理溶液包括：双氧水12-16mL/L、苯甲酸12-16g/L、双甘油硼酸酯单脂肪酸酯6-8g/L，浸漂温度为32-36℃，浸漂时间为8-12小时；
（2）将上述处理后的羊绒纤维在95-105℃的环境下烘燥8-15分钟，控制羊绒纤维的回潮率为6-8%，然后送入等离子处理装置中进行等离子处理；
（3）所述等离子处理后的羊绒纤维浸入染液中，在温度为45℃的条件下处理35-45分钟；然后升温至75-85℃，同时用功率为80-120W的超声波进行处理，超声波每5分钟处理30s，处理60分钟后降温即得；
（4）将染色后的羊绒纤维送入真空冷藏室中，在0-4℃的条件下冷藏1.5-2.5小时，然后再喷涂质量浓度为2.2-2.5%的碱性果胶酶溶液，喷涂量为6-8g/㎡，在频率为200-300MHz的微波辐射条件下至涂层全干，再经酶灭活后洗涤后自然风干。
2.如权利要求1所述一种提高耐洗牢度的羊绒纤维染色方法，其特征在于，所述等离子处理的等离子放电功率为1200-1500W，处理速度为20-40m/min，处理时间为2-8分钟。
3.如权利要求1所述一种提高耐洗牢度的羊绒纤维染色方法，其特征在于，所述超声波的超声电压为220V，频率为40-60Hz。
4.如权利要求1所述一种提高耐洗牢度的羊绒纤维染色方法，其特征在于，所述碱性果胶酶溶液的pH值为8.2-8.4，活力为2.5×105-6.5×105u/g。
5.如权利要求1所述一种提高耐洗牢度的羊绒纤维染色方法，其特征在于，所述酶灭活的方法为在85-95℃的热水中处理8-12分钟。
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