CN110042651A - 一种高润湿性能再生棉纱及其制备方法 - Google Patents

一种高润湿性能再生棉纱及其制备方法 Download PDF

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CN110042651A
CN110042651A CN201910394345.2A CN201910394345A CN110042651A CN 110042651 A CN110042651 A CN 110042651A CN 201910394345 A CN201910394345 A CN 201910394345A CN 110042651 A CN110042651 A CN 110042651A
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吴翔
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Xuzhou Jinfeng Textile Co Ltd
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Abstract

本发明公开了一种高润湿性能再生棉纱及其制备方法，该再生棉纱由下列重量份的原料制备制成：废旧棉织品60‑80份，纳米氧化锌2‑4份、纳米碳酸钙1‑3份、纳米二氧化硅1‑3份、聚乙二醇‑4000；本发明通过将废旧棉织品用机器打碎后，先用碱液漂洗，再加入改性液和过硫酸铵溶液，烘干后经过梳棉、精梳工艺即得本发明。本发明制成的产品有较好的润湿效果，同时生产成本低，安全环保，提高再生棉纱的利用价值。

Description

一种高润湿性能再生棉纱及其制备方法
技术领域
本发明属于纺织技术领域，具体涉及一种高润湿性能再生棉纱及其制备方法。
背景技术
棉纤维含有许多天然共生物，如棉蜡、果胶、含氮物质、灰分以及纺纱过程中的油剂或油污等，这些杂质如不去除会影响浆液在纱线中的渗透和润湿性能，造成上浆不匀。传统的棉纱处理工艺有碱氧一步一浴法和生化法。前者是在高温强碱的状态下对纱线进行处理，能耗大而且会增加纤维的溶胀，影响纱线性能。后者以酶作为前处理剂，虽然降低了前处理温度和生产能耗，但是由于酶自身的使用范围和专一性，也让这种前处理工艺的应用受到了一定的限制，因此，如何得到一种能够提高棉纱润湿性能又不会降低力学性能的处理工艺是当前所要解决的技术问题。
发明内容
本发明的目的是提供一种高润湿性能再生棉纱及其制备方法，该再生棉纱润湿性能好，其制备方法简单，降低生产成本。
为了实现本发明的目的，本发明通过以下方案实施：
一种高润湿性能再生棉纱，由下列重量份的原料制备制成：废旧棉织品60-80份，纳米氧化锌1-2份、纳米碳酸钙1-3份、纳米二氧化硅2-4份、聚乙二醇-40002-5份，醋酸乙烯酯3-6份，OP10 0.5-1份，过硫酸铵1-2份。
一种高润湿性能再生棉纱的制备方法，由以下具体步骤制成：
(1)将废旧棉织品使用机器打碎至长度为2-3毫米的碎纤维；
(2)将碎纤维在碱液中搅拌处理40-60min，过滤；
(3)将碎纤维用水洗涤1-2次，过滤；
(4)将改性液加入到洗净后的碎纤维并搅拌，边搅拌边喷洒浓度为50％过硫酸铵水溶液；
(5)将改性后的将碎纤维经过烘干、梳棉、精梳等工艺得到再生棉纱。
优选的，所述步骤(2)中，碱液按重量份计由以下成分制成：碳酸氢钠3-6份，氨水1-3份，亚硫酸钠1-2份，乙醇5-10份，水12-17份。
优选的，所述步骤(2)中，处理温度为60-90℃。
优选的，所述步骤(3)中，单次洗涤用水量碎纤维体积的为2-4倍，洗涤时间为10-30min，温度为50-70℃。
优选的，所述步骤(4)中，改性液制备方法为：将纳米氧化锌、纳米碳酸钙和纳米二氧化硅均匀混合，并与聚乙二醇-4000、醋酸乙烯酯和OP10一起研磨处理1-2h，得到改性纳米粒子液，再将纳米粒子液与10-40倍质量的清水混合，加热至65-80℃，在1.5-2MPa压力下，以2000-3000r/min转速搅拌30-60min，再自然冷却至室温后即得。
本发明的有益效果是：本发明采用废旧棉织物进行改性制造再生棉纤维，降低了生产成本，节能减排，并提高了再生棉纱的润湿性能。
具体实施方式
下面结合实施例对本发明作进一步的描述。
实施例1
一种高润湿性能再生棉纱，由下列重量份的原料制备制成：废旧棉织品60份，纳米氧化锌1份、纳米碳酸钙1份、纳米二氧化硅2份、聚乙二醇-4000 2份，醋酸乙烯酯3份，乳化剂OP10 0.5份，过硫酸铵1份。
一种高润湿性能再生棉纱的制备方法，由以下具体步骤制成：
(1)将废旧棉织品使用机器打碎至长度为2-3毫米的碎纤维；
(2)将碎纤维在碱液中搅拌处理40-60min，过滤；所述碱液按重量份计由以下成分制成：碳酸氢钠3份，氨水1份，亚硫酸钠1份，乙醇5份，水12份；处理温度为60-90℃；
(3)将碎纤维用水洗涤1-2次，过滤；单次洗涤用水量碎纤维体积的为2-4倍，洗涤时间为10-30min，温度为50-70℃；
(4)将改性液加入到洗净后的碎纤维并搅拌，边搅拌边喷洒浓度为50％过硫酸铵水溶液；改性液制备方法为：将纳米氧化锌、纳米碳酸钙和纳米二氧化硅均匀混合，并与聚乙二醇-4000、醋酸乙烯酯和乳化剂OP10一起研磨处理1-2h，得到改性纳米粒子液，再将纳米粒子液与10-40倍质量的清水混合，加热至65-80℃，在1.5-2MPa压力下，以2000-3000r/min转速搅拌30-60min，再自然冷却至室温后即得；
(5)将改性后的将碎纤维经过烘干、梳棉、精梳等工艺得到再生棉纱。
经检测，本实施例产品的与纯棉纱对比，线密度减少10.18％，断裂强度增加7.58％。
实施例2
一种高润湿性能再生棉纱，由下列重量份的原料制备制成：废旧棉织品70份，纳米氧化锌1.5份、纳米碳酸钙2份、纳米二氧化硅3份、聚乙二醇-4000 4份，醋酸乙烯酯4份，乳化剂OP10 0.7份，过硫酸铵1.5份。
一种高润湿性能再生棉纱的制备方法，由以下具体步骤制成：
(1)将废旧棉织品使用机器打碎至长度为2-3毫米的碎纤维；
(2)将碎纤维在碱液中搅拌处理40-60min，过滤；所述碱液按重量份计由以下成分制成：碳酸氢钠5份，氨水2份，亚硫酸钠1份，乙醇7份，水15份；处理温度为60-90℃；
(3)将碎纤维用水洗涤1-2次，过滤；单次洗涤用水量碎纤维体积的为2-4倍，洗涤时间为10-30min，温度为50-70℃；
(4)将改性液加入到洗净后的碎纤维并搅拌，边搅拌边喷洒浓度为50％过硫酸铵水溶液；改性液制备方法为：将纳米氧化锌、纳米碳酸钙和纳米二氧化硅均匀混合，并与聚乙二醇-4000、醋酸乙烯酯和乳化剂OP10一起研磨处理1-2h，得到改性纳米粒子液，再将纳米粒子液与10-40倍质量的清水混合，加热至65-80℃，在1.5-2MPa压力下，以2000-3000r/min转速搅拌30-60min，再自然冷却至室温后即得；
(5)将改性后的将碎纤维经过烘干、梳棉、精梳等工艺得到再生棉纱。
经检测，本实施例产品的与纯棉纱对比，线密度减少11.52％，断裂强度增加8.34％。
实施例3
一种高润湿性能再生棉纱，由下列重量份的原料制备制成：废旧棉织品80份，纳米氧化锌2份、纳米碳酸钙3份、纳米二氧化硅4份、聚乙二醇-4000 5份，醋酸乙烯酯6份，乳化剂OP10 1份，过硫酸铵2份。
一种高润湿性能再生棉纱的制备方法，由以下具体步骤制成：
(1)将废旧棉织品使用机器打碎至长度为2-3毫米的碎纤维；
(2)将碎纤维在碱液中搅拌处理40-60min，过滤；所述碱液按重量份计由以下成分制成：碳酸氢钠6份，氨水3份，亚硫酸钠2份，乙醇10份，水17份；处理温度为60-90℃；
(3)将碎纤维用水洗涤1-2次，过滤；单次洗涤用水量碎纤维体积的为2-4倍，洗涤时间为10-30min，温度为50-70℃；
(4)将改性液加入到洗净后的碎纤维并搅拌，边搅拌边喷洒浓度为50％过硫酸铵水溶液；改性液制备方法为：将纳米氧化锌、纳米碳酸钙和纳米二氧化硅均匀混合，并与聚乙二醇-4000、醋酸乙烯酯和乳化剂OP10一起研磨处理1-2h，得到改性纳米粒子液，再将纳米粒子液与10-40倍质量的清水混合，加热至65-80℃，在1.5-2MPa压力下，以2000-3000r/min转速搅拌30-60min，再自然冷却至室温后即得；
(5)将改性后的将碎纤维经过烘干、梳棉、精梳等工艺得到再生棉纱。
经检测，本实施例产品的与纯棉纱对比，线密度减少11.56％，断裂强度增加8.92％。

Claims (6)

1.一种高润湿性能再生棉纱，其特征在于，由下列重量份的原料制备制成：废旧棉织品60-80份，纳米氧化锌1-2份、纳米碳酸钙1-3份、纳米二氧化硅2-4份、聚乙二醇-4000 2-5份，醋酸乙烯酯3-6份，乳化剂OP10 0.5-1份，过硫酸铵1-2份。
2.一种高润湿性能再生棉纱的制备方法，其特征在于，由以下具体步骤制成：
(1)将废旧棉织品使用机器打碎至长度为2-3毫米的碎纤维；
(2)将碎纤维在碱液中搅拌处理40-60min，过滤；
(3)将碎纤维用水洗涤1-2次，过滤；
(4)将改性液加入到洗净后的碎纤维并搅拌，边搅拌边喷洒浓度为50％过硫酸铵水溶液；
(5)将改性后的将碎纤维经过烘干、梳棉、精梳等工艺得到再生棉纱。
3.根据权利要求2所述的一种高润湿性能再生棉纱的制备方法，其特征在于，所述步骤(2)中，碱液按重量份计由以下成分制成：碳酸氢钠3-6份，氨水1-3份，亚硫酸钠1-2份，乙醇5-10份，水12-17份。
4.根据权利要求2所述的一种高润湿性能再生棉纱的制备方法，其特征在于，所述步骤(2)中，处理温度为60-90℃。
5.根据权利要求2所述的一种高润湿性能再生棉纱的制备方法，其特征在于，所述步骤(3)中，单次洗涤用水量碎纤维体积的为2-4倍，洗涤时间为10-30min，温度为50-70℃。
6.根据权利要求2所述的一种高润湿性能再生棉纱的制备方法，其特征在于，所述步骤(4)中，改性液制备方法为：将纳米氧化锌、纳米碳酸钙和纳米二氧化硅均匀混合，并与聚乙二醇-4000、醋酸乙烯酯和乳化剂OP10一起研磨处理1-2h，得到改性纳米粒子液，再将纳米粒子液与10-40倍质量的清水混合，加热至65-80℃，在1.5-2MPa压力下，以2000-3000r/min转速搅拌30-60min，再自然冷却至室温后即得。
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