CN110528279A - 一种改性仿丝棉及其整理工艺 - Google Patents

一种改性仿丝棉及其整理工艺 Download PDF

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CN110528279A
CN110528279A CN201910678971.4A CN201910678971A CN110528279A CN 110528279 A CN110528279 A CN 110528279A CN 201910678971 A CN201910678971 A CN 201910678971A CN 110528279 A CN110528279 A CN 110528279A
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廖拯方
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Abstract

本发明涉及纤维织物的技术领域,公开了一种改性仿丝棉,包括如下重量份的组分:60‑80份仿丝棉;8‑12份甲醇;3‑4份助剂;抗菌剂;所述抗菌剂包括5‑6份的对甲苯基甲基二甲氧基硅烷和8‑12份的十四烷基三丁基氯化磷。本发明具有以下优点和效果:对甲苯基甲基二甲氧基硅烷和十四烷基三丁基氯化磷复配,使季鏻盐的正电性更强,而菌藻类微生物由于表面带负电荷,因此烷氧基季鏻盐更容易进攻细菌分子;另一方面,甲氧基为强供电子基团,供电子使苯环上的电子云密度集中,更容易穿过细胞壁,进入并破坏菌体,由此通过对甲苯基甲基二甲氧基硅烷改善十四烷基三丁基氯化磷的抗菌性能,达到更好的杀菌效果。

Description

一种改性仿丝棉及其整理工艺
技术领域
本发明涉及纤维织物的技术领域,尤其是涉及一种改性仿丝棉及其整理工艺。
背景技术
仿丝棉是喷胶棉产品中较为高档的品种,在市场上人们也***后,仿丝绵表面平整,有丝光、轻薄、手感细腻、柔软、保温好、耐水洗性极强、不易变形、不会跑丝、手感似羽绒、质地纤细、表面如蚕丝、有拉力、柔软等特点,经洗衣机反复洗涤也不会变型,是水洗、砂洗服装适合的填充材料;适用于高档防寒服、细柔面料服装、被褥及做高档冬日时装的填料等,是替代羽绒作为填充棉的理想选择。
随着科学技术的进步发展及人们生活水平的不断提高,人们对自身的卫生保健意识日益增强,具有耐久性的抗菌纺织品越来越引起人们的重视,然而现有的仿丝棉的抗菌作用有限,因此开发和研究高效低毒的抗菌仿丝棉是目前亟待解决的问题。
发明内容
针对现有技术存在的不足,本发明在于提供一种改性仿丝棉,可提高仿丝棉的抗菌性能,满足人们的需求。
为实现上述目的,本发明提供了如下技术方案:
一种改性仿丝棉,包括如下重量份的组分:
60-80份仿丝棉;
8-12份甲醇;
3-4份助剂;
抗菌剂;
所述抗菌剂包括5-6份的对甲苯基甲基二甲氧基硅烷和8-12份的十四烷基三丁基氯化磷。
通过采用上述技术方案,对甲苯基甲基二甲氧基硅烷和十四烷基三丁基氯化磷复配,烷氧基作为季鏻盐的支链,由于氧的电负性较大,使季鏻盐的正电性更强,而菌藻类微生物由于表面带负电荷,因此烷氧基季鏻盐更容易进攻细菌分子;另一方面,甲氧基为强供电子基团,供电子使苯环上的电子云密度集中,更容易穿过细胞壁,进入并破坏菌体,由此可达到更好的杀菌效果;甲醇作为反应溶剂,使反应更易于进行。
本发明进一步设置为:所述抗菌剂还包括4-6份过硫酸铵和3-5份亚硫酸氢钠。
通过采用上述技术方案,以过硫酸铵和亚硫酸氢钠作为氧化还原体系的引发剂,可实现低温聚合,减少链转移和支化等副反应,并改善聚合物性能,在引发剂作用下,实现对甲苯基甲基二甲氧基硅烷和十四烷基三丁基氯化磷的复配,达到改善十四烷基三丁基氯化磷的抗菌效果的目的。
本发明进一步设置为:按重量份数计,还包括4-6份丙烯酸。
通过采用上述技术方案,在过硫酸铵和亚硫酸氢钠引发剂的作用下,仿丝棉的聚酯分子链分解产生自由基,引入丙烯酸在仿丝棉表面聚合,使仿丝棉表面活化,有利于提高仿丝棉对甲苯基甲基二甲氧基硅烷和十四烷基三丁基氯化磷复配产物的相容性,继而提高仿丝棉的抗菌效果。
本发明进一步设置为:按重量份数计,还包括2-4份壳聚糖。
通过采用上述技术方案,壳聚糖本身也具有一定的抗菌性能;过硫酸铵作为引发剂,壳聚糖与丙烯酸产生协同作用,发生共聚反应,利用丙烯酸和壳聚糖的共聚对仿丝棉进行接枝改性,进一步改善仿丝棉的界面相容性,从而使对甲苯基甲基二甲氧基硅烷和十四烷基三丁基氯化磷复配的产物更易与仿丝棉相容,有利于提高仿丝棉的抗菌效果。
本发明进一步设置为:所述助剂为间苯二酚双羟乙基醚。
通过采用上述技术方案,间苯二酚双羟乙基醚作为芳香族化合物,具有抗氧性,可减少聚合物中的凝胶现象,且间苯二酚双羟乙基醚具有润滑作用,减少了大分子之间缠绕,可增进纺丝拉伸性,有利于增加仿丝棉的断裂强度,改善加入丙烯酸处理后的仿丝棉的强度有所下降的问题。
本发明进一步设置为:还包括抗静电剂。
通过采用上述技术方案,加入抗静电剂提高仿丝棉的抗静电性能。
本发明进一步设置为:按重量份数计,所述抗静电剂包括2-3份聚己内酰胺和2-3份聚氧乙烯。
通过采用上述技术方案,聚己内酰胺和聚氧乙烯通过溶液缩聚得到共聚物,明显降低电阻率,提高抗静电能力,从而比避免仿丝棉之间易因静电积聚而互相排斥或吸附在机械部件上,造成加工困难的问题。
本发明还提供了一种改性仿丝棉的整理工艺,包括以下步骤:
S1、仿丝棉预处理;将一定量的仿丝棉浸入质量分数为50%的丙酮溶液中进行预处理,超声清洗1-2h后用蒸馏水反复清洗;放入80-85℃的电热恒温鼓风干燥箱中烘干2-3h;
S2、抗菌剂的制备;称取所需重量份数的各组分,将对甲苯基甲基二甲氧基硅烷、十四烷基三丁基氯化磷、过硫酸铵和亚硫酸氢钠与甲醇放入反应釜中,设置温度为40-45℃,转速为700-850rpm/min,搅拌30-40min至完全混合;
S3、整理剂的制备;向S2中的抗菌剂中加入所需重量份数的丙烯酸和壳聚糖,在反应釜中,设置温度为65-70℃,转速750-800rpm/min,搅拌30-45min至完全混合;最后加入所需重量份数的间苯二酚双羟乙基醚、聚己内酰胺和聚氧乙烯,调整温度为55-60℃,转速为500-600rpm/min,搅拌55-60min至完全混合制得整理剂;
S4、仿丝棉的改性处理;将S3中制得的整理剂与水按体积比1:15-30配制成整理液,将S1中的仿丝棉浸泡于整理液中,设置温度为50-55℃,浸泡时间为40-50min,然后取出,放入80-85℃的电热恒温鼓风干燥箱中烘干2-3h。
通过采用上述技术方案,仿丝棉经预处理去除仿丝棉表面附着的油剂,使表面较光滑,更易于使整理液附着渗透。
综上所述,本发明具有以下有益效果:
1.在过硫酸铵和亚硫酸氢钠的引发作用下,对甲苯基甲基二甲氧基硅烷和十四烷基三丁基氯化磷复配,烷氧基作为季鏻盐的支链,由于氧的电负性较大,使季鏻盐的正电性更强,而菌藻类微生物由于表面带负电荷,因此烷氧基季鏻盐更容易进攻细菌分子;另一方面,甲氧基为强供电子基团,供电子使苯环上的电子云密度集中,更容易穿过细胞壁,进入并破坏菌体,由此通过对甲苯基甲基二甲氧基硅烷改善十四烷基三丁基氯化磷的抗菌性能,达到更好的杀菌效果;
2.在过硫酸铵和亚硫酸氢钠引发剂的作用下,仿丝棉的聚酯分子链分解产生自由基,引入丙烯酸在仿丝棉表面聚合,使仿丝棉表面活化,有利于提高仿丝棉对甲苯基甲基二甲氧基硅烷和十四烷基三丁基氯化磷复配产物的相容性,继而提高仿丝棉的抗菌效果;
3.过硫酸铵作引发剂,壳聚糖与丙烯酸产生协同作用,发生共聚反应,利用丙烯酸和壳聚糖的共聚对仿丝棉进行接枝改性,进一步改善仿丝棉的界面相容性,从而使对甲苯基甲基二甲氧基硅烷和十四烷基三丁基氯化磷复配的产物更易与仿丝棉相容,有利于提高仿丝棉的抗菌效果。
具体实施方式
以下对本发明作进一步详细说明。
实施例1
改性仿丝棉的整理工艺,包括以下步骤:
S1、仿丝棉预处理;将80份仿丝棉浸入质量分数为50%的丙酮溶液中进行预处理,超声清洗2h后用蒸馏水反复清洗;放入85℃的电热恒温鼓风干燥箱中烘干3h;
S2、抗菌剂的制备;称取所需重量份数的各组分,将对甲苯基甲基二甲氧基硅烷、十四烷基三丁基氯化磷、过硫酸铵和亚硫酸氢钠与甲醇放入反应釜中,设置温度为45℃,转速为850rpm/min,搅拌40min至完全混合;
S3、整理剂的制备;向S2中的抗菌剂中加入所需重量份数的丙烯酸和壳聚糖,在反应釜中,设置温度为70℃,转速800rpm/min,搅拌45min至完全混合;最后加入所需重量份数的间苯二酚双羟乙基醚、聚己内酰胺和聚氧乙烯,调整温度为60℃,转速为600rpm/min,搅拌60min至完全混合制得整理剂;
S4、仿丝棉的改性处理;将S3中制得的整理剂与水按体积比1:30配制成整理液,将S1中的仿丝棉浸泡于整理液中,设置温度为55℃,浸泡时间为50min,然后取出,放入85℃的电热恒温鼓风干燥箱中烘干3h。
按重量份数计,各组分如表1所示。
实施例2
与实施例1的区别在于,改性仿丝棉的整理工艺,包括以下步骤:
S1、仿丝棉预处理;将60份仿丝棉浸入质量分数为50%的丙酮溶液中进行预处理,超声清洗1h后用蒸馏水反复清洗;放入80℃的电热恒温鼓风干燥箱中烘干2h;
S2、抗菌剂的制备;称取所需重量份数的各组分,将对甲苯基甲基二甲氧基硅烷、十四烷基三丁基氯化磷、过硫酸铵和亚硫酸氢钠与甲醇放入反应釜中,设置温度为40℃,转速为700rpm/min,搅拌30min至完全混合;
S3、整理剂的制备;向S2中的抗菌剂中加入所需重量份数的丙烯酸和壳聚糖,在反应釜中,设置温度为65℃,转速750rpm/min,搅拌30min至完全混合;最后加入所需重量份数的间苯二酚双羟乙基醚、聚己内酰胺和聚氧乙烯,调整温度为55℃,转速为500rpm/min,搅拌55min至完全混合制得整理剂;
S4、仿丝棉的改性处理;将S3中制得的整理剂与水按体积比1:15配制成整理液,将S1中的仿丝棉浸泡于整理液中,设置温度为50℃,浸泡时间为40min,然后取出,放入80℃的电热恒温鼓风干燥箱中烘干2h。
按重量份数计,各组分如表1所示。
对比例1
与实施例1的区别在于,按重量份数计,各组分如表1所示,且不添加抗菌剂。
对比例2
与实施例1的区别在于,按重量份数计,各组分如表1所示,且不添加对甲苯基甲基二甲氧基硅烷。
对比例3
与实施例1的区别在于,按重量份数计,各组分如表1所示,且不添加丙烯酸。
对比例4
与实施例1的区别在于,按重量份数计,各组分如表1所示,且不添加壳聚糖。
抗菌效果可通过测定抗菌剂的最低抑菌浓度(MIC)来表示,MIC越小,抗菌剂的抗菌效果越好;将待测织物剪成直径4.8cm的圆形试样,并在高压灭菌锅中用0.1Mpa高压蒸汽灭菌20min。
以金黄色葡萄球菌ATCC 6538和大肠杆菌8099为测试菌株;检测标准为ISO20743-2007抗菌整理纺织品的抗菌性能测定,将上述实施例和对比例整理后的仿丝棉试样放置于经灭菌处理的营养肉汤培养基中,再接种测试菌株,使菌液浓度约为1.0×106cfu/mL,在37℃振荡培养24h,进行最低抑菌浓度(MIC)的测定和对比,测试结果如表2所示。
表1实施例和对比例设置
表2抗菌性能测试
对比例5
与实施例1的区别在于,按重量份数计,各组分如表1所示,且不添加间苯二酚双羟乙基醚。
采用万能材料试验机进行单位面积仿丝棉的断裂强度检测,测试方法根据FZ/T01034-2008纺织品机织物拉伸弹性试验方法。
表3拉伸强度测试
断裂强度/(Ton)
实施例1 30.8
对比例5 26.5
本具体实施方式的实施例均为本发明的较佳实施例,并非依此限制本发明的保护范围,故:凡依本发明的结构、形状、原理所做的等效变化,均应涵盖于本发明的保护范围之内。

Claims (8)

1.一种改性仿丝棉,其特征在于:包括如下重量份的组分:
60-80份仿丝棉;
8-12份甲醇;
3-4份助剂;
抗菌剂;
所述抗菌剂包括5-6份的对甲苯基甲基二甲氧基硅烷和8-12份的十四烷基三丁基氯化磷。
2.根据权利要求1所述的一种改性仿丝棉,其特征在于:所述抗菌剂还包括4-6份过硫酸铵和3-5份亚硫酸氢钠。
3.根据权利要求2所述的一种改性仿丝棉,其特征在于:按重量份数计,还包括4-6份丙烯酸。
4.根据权利要求3所述的一种改性仿丝棉,其特征在于:按重量份数计,还包括2-4份壳聚糖。
5.根据权利要求4所述的一种改性仿丝棉,其特征在于:所述助剂为间苯二酚双羟乙基醚。
6.根据权利要求1所述的一种改性仿丝棉,其特征在于:还包括抗静电剂。
7.根据权利要求6所述的一种改性仿丝棉,其特征在于:按重量份数计,所述抗静电剂包括2-3份聚己内酰胺和2-3份聚氧乙烯。
8.一种改性仿丝棉的整理工艺,其特征在于:包括以下步骤:
S1、仿丝棉预处理;将一定量的仿丝棉浸入质量分数为50%的丙酮溶液中进行预处理,超声清洗1-2h后用蒸馏水反复清洗;放入80-85℃的电热恒温鼓风干燥箱中烘干2-3h;
S2、抗菌剂的制备;称取所需重量份数的各组分,将对甲苯基甲基二甲氧基硅烷、十四烷基三丁基氯化磷、过硫酸铵和亚硫酸氢钠与甲醇放入反应釜中,设置温度为40-45℃,转速为700-850rpm/min,搅拌30-40min至完全混合;
S3、整理剂的制备;向S2中的抗菌剂中加入所需重量份数的丙烯酸和壳聚糖,在反应釜中,设置温度为65-70℃,转速750-800 rpm/min,搅拌30-45min至完全混合;最后加入所需重量份数的间苯二酚双羟乙基醚、聚己内酰胺和聚氧乙烯,调整温度为55-60℃,转速为500-600rpm/min,搅拌55-60min至完全混合制得整理剂;
S4、仿丝棉的改性处理;将S3中制得的整理剂与水按体积比1:15-30配制成整理液,将S1中的仿丝棉浸泡于整理液中,设置温度为50-55℃,浸泡时间为40-50min,然后取出,放入80-85℃的电热恒温鼓风干燥箱中烘干2-3h。
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