CN107904936A - 一种真丝织物表面生物接枝拒水整理方法 - Google Patents
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Abstract
本发明公开了一种真丝织物表面生物接枝拒水整理方法,所述方法首先对真丝织物表面进行预处理,然后采用高级脂肪醇进行织物表面的接枝反应,从而赋予真丝织物表面的据水性能。与现有技术相比,本发明具有以下优点:(1)本发明所述工艺首先将真丝织物表面进行预处理,将真丝织物表面层的羧基消除,带电性降低,从而提高高级脂肪醇的接枝率,并能进一步增强织物表面的据水能力;(2)所述工艺仅对真丝织物的表面进行处理,因此接枝只发生在表面,织物内部的亲水基团未受到影响,依然不影响穿着时良好的吸湿性和透气性。
Description
技术领域
本发明属于纺织技术领域,涉及一种真丝织物的整理方法,具体为一种真丝织物表面生物接枝拒水整理方法。
背景技术
真丝织物的亲水性非常好,完全不具有据水性,这主要是丝绸不仅像棉一样具有羟基,还具有带电的羧基和氨基。带电基团对水分子具有强烈的极化作用,其对水的亲和性比羟基大的多。在真丝织物的拒水整理中,如果不仅引入疏水的碳氢链,同时消除带电基团,其疏水整理会达到事半功倍的效果。
现有技术中,中国专利申请CN200710092547.9,真丝绸表面生物接枝拒水整理方法,公开了利用真丝绸表面的蚕丝蛋白的羧基与高级脂肪醇在脂肪酶的作用下发生酯化反应,将高级醇的疏水碳氢链接枝在丝绸上,达到永久的疏水整理效果。
但是上述方法是将丝绸直接置于高级脂肪醇的环己烷溶液中浸泡,而真丝织物表面的羧基和氨基与高级脂肪醇的结合力不牢固,存在空间阻力,因而影响据水能力。
发明内容
本发明的目的是:为了克服现有技术的缺陷,获得一种表面据水能力好,且性能稳定持久的真丝织物,本发明提供了一种真丝织物表面生物接枝拒水整理方法。
技术方案:一种真丝织物表面生物接枝拒水整理方法,所述方法包括以下步骤:
(1)采用环己烷作为溶剂,向其中加入吸水分子筛进行干燥,然后加入磷酸氢钾缓冲溶液,将pH值调节至7.2~7.8,再加入脂肪酶,混匀;
(2)将真丝织物与高碘酸钠水溶液混合,在常温条件下避光反应3~6小时,反应结束后,加入乙二醇中和残余的高碘酸钠,去离子水反复洗涤,自然晾干;
(3)将1,8-二氨基-3,6-二氧杂辛烷和4,9-二氧杂-1,12-十二烷二胺混合,然后加入二甲亚砜中,完全溶解后加入经步骤(2)处理后的真丝织物,室温条件下反应10~25h,反应结束后,将真丝织物取出,并用二甲亚砜洗涤,晾干;
(4)将步骤(3)处理后的真丝织物置于步骤(1)的体系中,37~45℃保温48~72h,反应结束后,去离子水洗涤,真空干燥。
优选的,步骤(1)中脂肪酶的浓度为0.01g/L~0.1g/L。
优选的,步骤(2)中真丝织物与高碘酸钠的质量比为3~7:1,乙二醇的加入量是高碘酸钠摩尔量的0.3~0.8倍。
优选的,步骤(3)中1,8-二氨基-3,6-二氧杂辛烷与真丝织物的质量比为12~30:1。
优选的,步骤(3)中4,9-二氧杂-1,12-十二烷二胺与真丝织物的质量比为20~40:1。
优选的,步骤(4)中真丝织物与步骤(1)体系的质量比为1:5~12。
有益效果:(1)本发明所述工艺首先将真丝织物表面进行预处理,将真丝织物表面层的羧基消除,带电性降低,从而提高高级脂肪醇的接枝率,并能进一步增强织物表面的据水能力;(2)所述工艺仅对真丝织物的表面进行处理,因此接枝只发生在表面,织物内部的亲水基团未受到影响,依然不影响穿着时良好的吸湿性和透气性。
具体实施方式
实施例1
一种真丝织物表面生物接枝拒水整理方法,所述方法包括以下步骤:
(1)采用环己烷作为溶剂,向其中加入吸水分子筛进行干燥,然后加入磷酸氢钾缓冲溶液,将pH值调节至7.2,再加入脂肪酶,混匀;
(2)将真丝织物与高碘酸钠水溶液混合,在常温条件下避光反应3小时,反应结束后,加入乙二醇中和残余的高碘酸钠,去离子水反复洗涤,自然晾干;
(3)将1,8-二氨基-3,6-二氧杂辛烷和4,9-二氧杂-1,12-十二烷二胺混合,然后加入二甲亚砜中,完全溶解后加入经步骤(2)处理后的真丝织物,室温条件下反应10h,反应结束后,将真丝织物取出,并用二甲亚砜洗涤,晾干;
(4)将步骤(3)处理后的真丝织物置于步骤(1)的体系中,37℃保温48h,反应结束后,去离子水洗涤,真空干燥。
步骤(1)中脂肪酶的浓度为0.01g/L。
步骤(2)中真丝织物与高碘酸钠的质量比为3:1,乙二醇的加入量是高碘酸钠摩尔量的0.3倍。
步骤(3)中1,8-二氨基-3,6-二氧杂辛烷与真丝织物的质量比为12:1。
步骤(3)中4,9-二氧杂-1,12-十二烷二胺与真丝织物的质量比为20:1。
步骤(4)中真丝织物与步骤(1)体系的质量比为1:5。
实施例2
一种真丝织物表面生物接枝拒水整理方法,所述方法包括以下步骤:
(1)采用环己烷作为溶剂,向其中加入吸水分子筛进行干燥,然后加入磷酸氢钾缓冲溶液,将pH值调节至7.5,再加入脂肪酶,混匀;
(2)将真丝织物与高碘酸钠水溶液混合,在常温条件下避光反应4小时,反应结束后,加入乙二醇中和残余的高碘酸钠,去离子水反复洗涤,自然晾干;
(3)将1,8-二氨基-3,6-二氧杂辛烷和4,9-二氧杂-1,12-十二烷二胺混合,然后加入二甲亚砜中,完全溶解后加入经步骤(2)处理后的真丝织物,室温条件下反应18h,反应结束后,将真丝织物取出,并用二甲亚砜洗涤,晾干;
(4)将步骤(3)处理后的真丝织物置于步骤(1)的体系中,40℃保温55h,反应结束后,去离子水洗涤,真空干燥。
步骤(1)中脂肪酶的浓度为0.05g/L。
步骤(2)中真丝织物与高碘酸钠的质量比为5:1,乙二醇的加入量是高碘酸钠摩尔量的0.5倍。
步骤(3)中1,8-二氨基-3,6-二氧杂辛烷与真丝织物的质量比为25:1。
步骤(3)中4,9-二氧杂-1,12-十二烷二胺与真丝织物的质量比为28:1。
步骤(4)中真丝织物与步骤(1)体系的质量比为1:9。
实施例3
一种真丝织物表面生物接枝拒水整理方法,所述方法包括以下步骤:
(1)采用环己烷作为溶剂,向其中加入吸水分子筛进行干燥,然后加入磷酸氢钾缓冲溶液,将pH值调节至7.8,再加入脂肪酶,混匀;
(2)将真丝织物与高碘酸钠水溶液混合,在常温条件下避光反应6小时,反应结束后,加入乙二醇中和残余的高碘酸钠,去离子水反复洗涤,自然晾干;
(3)将1,8-二氨基-3,6-二氧杂辛烷和4,9-二氧杂-1,12-十二烷二胺混合,然后加入二甲亚砜中,完全溶解后加入经步骤(2)处理后的真丝织物,室温条件下反应25h,反应结束后,将真丝织物取出,并用二甲亚砜洗涤,晾干;
(4)将步骤(3)处理后的真丝织物置于步骤(1)的体系中,45℃保温72h,反应结束后,去离子水洗涤,真空干燥。
步骤(1)中脂肪酶的浓度为0.1g/L。
步骤(2)中真丝织物与高碘酸钠的质量比为7:1,乙二醇的加入量是高碘酸钠摩尔量的0.8倍。
步骤(3)中1,8-二氨基-3,6-二氧杂辛烷与真丝织物的质量比为30:1。
步骤(3)中4,9-二氧杂-1,12-十二烷二胺与真丝织物的质量比为40:1。
步骤(4)中真丝织物与步骤(1)体系的质量比为1:12。
对实施例1~3所述工艺整理获得的真丝织物进行性能测试,结果如下表所示:
拒水等级/级 | 接枝率/% | |
实施例1 | 4 | 91.5 |
实施例2 | 5 | 98.7 |
实施例3 | 4 | 97.2 |
Claims (6)
1.一种真丝织物表面生物接枝拒水整理方法,其特征在于,所述方法包括以下步骤:
(1)采用环己烷作为溶剂,向其中加入吸水分子筛进行干燥,然后加入磷酸氢钾缓冲溶液,将pH值调节至7.2~7.8,再加入脂肪酶,混匀;
(2)将真丝织物与高碘酸钠水溶液混合,在常温条件下避光反应3~6小时,反应结束后,加入乙二醇中和残余的高碘酸钠,去离子水反复洗涤,自然晾干;
(3)将1,8-二氨基-3,6-二氧杂辛烷和4,9-二氧杂-1,12-十二烷二胺混合,然后加入二甲亚砜中,完全溶解后加入经步骤(2)处理后的真丝织物,室温条件下反应10~25h,反应结束后,将真丝织物取出,并用二甲亚砜洗涤,晾干;
(4)将步骤(3)处理后的真丝织物置于步骤(1)的体系中,37~45℃保温48~72h,反应结束后,去离子水洗涤,真空干燥。
2.根据权利要求1所述的一种真丝织物表面生物接枝拒水整理方法,其特征在于,步骤(1)中脂肪酶的浓度为0.01g/L~0.1g/L。
3.根据权利要求1所述的一种真丝织物表面生物接枝拒水整理方法,其特征在于,步骤(2)中真丝织物与高碘酸钠的质量比为3~7:1,乙二醇的加入量是高碘酸钠摩尔量的0.3~0.8倍。
4.根据权利要求1所述的一种真丝织物表面生物接枝拒水整理方法,其特征在于,步骤(3)中1,8-二氨基-3,6-二氧杂辛烷与真丝织物的质量比为12~30:1。
5.根据权利要求1所述的一种真丝织物表面生物接枝拒水整理方法,其特征在于,步骤(3)中4,9-二氧杂-1,12-十二烷二胺与真丝织物的质量比为20~40:1。
6.根据权利要求1所述的一种真丝织物表面生物接枝拒水整理方法,其特征在于,步骤(4)中真丝织物与步骤(1)体系的质量比为1:5~12。
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CN1902354A (zh) * | 2003-11-26 | 2007-01-24 | 罗狄亚工业纱线股份公司 | 用于无上浆织造的纱线、纤维和长丝 |
CN101130930A (zh) * | 2007-08-07 | 2008-02-27 | 西南大学 | 真丝绸表面生物接支拒水整理方法 |
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CN101130930A (zh) * | 2007-08-07 | 2008-02-27 | 西南大学 | 真丝绸表面生物接支拒水整理方法 |
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