CN113846483A - 一种聚甲醛纤维整理液、整理方法及聚甲醛混纺织物 - Google Patents
一种聚甲醛纤维整理液、整理方法及聚甲醛混纺织物 Download PDFInfo
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Abstract
本发明涉及聚甲醛纺织品技术领域,具体提供一种聚甲醛纤维整理液、整理方法及聚甲醛混纺织物。所述聚甲醛纤维整理液包括:天然因子1%‑5%,聚乙二醇1500 1.0%‑1.5%,纳米碳化硼0.5‑1.5%,纳米氧化锌1%‑2%,余量为水;其中,所述天然因子为花青素、茶皂素或芦荟提取物中至少一种。将聚甲醛纤维加入到上述聚甲醛纤维整理液中,升温浸渍,烘干,得整理后的聚甲醛纤维。将整理聚甲醛纤维与棉型纤维混纺得到的聚甲醛纤维混纺织物,具有优异的导热导湿性能,具备快速干燥的能力,舒适性较高,并且具有较强的抗紫外线性能,尤其适用于作为夏季服装和运动服装的织物。
Description
技术领域
本发明涉及聚甲醛纺织品技术领域,尤其涉及一种聚甲醛纤维整理液、整理方法及聚甲醛混纺织物。
背景技术
聚甲醛纤维(Polyoxymethylene Fiber)是由聚甲醛(Polyoxymethylene,POM)经纺丝加工制备的一种合成纤维。聚甲醛是一种分子中含有—CH2O—链节的线性高密度的结晶型高聚物,其具有优良的物理机械性能,且耐碱性、耐化学腐蚀性、热稳定性等性能优异,应用前景广阔。目前,国内外聚甲醛纤维最常见的制备方法是熔融纺丝法,将其制备成纤维后不仅具有良好的尺寸稳定性能,还具有耐磨、耐溶剂、耐海水侵袭的优点,同时,还具有优良的速干和凉感性能。
但是,由于聚甲醛纤维的柔软度低,透气性差,热舒适性不好,极大地限制了其在纺织领域的应用。服装的舒适性包括:热湿舒适性、接触舒适性和视觉舒适性。热湿舒适性主要是用来调节人体与环境之间的热湿传递性能,为人体创造良好舒适的环境;接触舒适性是指服装与人体接触时的舒适感;视觉舒适性主要是针对织物的款式和颜色等满足消费者的要求。服装的热湿舒适性和接触舒适性是决定纺织品舒适性的关键因素。因此,如何提升聚甲醛纤维的柔软性和穿着舒适性是目前纺织领域的研究热点。对织物进行整理在一定程度上可以改善织物的疏水性、手感、抗静电等多种性能,但是由于聚甲醛纤维分子结构规整,内聚能密度较高,结晶度高达70%以上,无定形区占比较低,且无支链结构,表面缺少活性基团,因此,聚甲醛纤维化学反应性较低,整理剂不易整理到聚甲醛纤维上。因此,目前关于如何提高聚甲醛纤维的舒适性研究还鲜有报道。
发明内容
针对现有聚甲醛纤维存在的柔软度较低、透气性差,热舒适性不好的问题,本发明提供一种聚甲醛纤维整理液、整理方法及聚甲醛混纺织物。
为解决上述技术问题,本发明提供的技术方案是:
一种聚甲醛纤维整理液,包括如下质量百分含量的组分:天然因子1%-5%,聚乙二醇1500 1.0%-1.5%,纳米碳化硼0.5-1.5%,纳米氧化锌1%-2%,余量为水;其中,所述天然因子为花青素、茶皂素或芦荟提取物中至少一种。
与现有技术相比,本发明提供的聚甲醛纤维整理液,选择特定分子量的聚乙二醇1500,通过其表面的特定含量的羟基吸附到纳米碳化硼和纳米氧化锌表面,从而通过羟基与聚甲醛纤维分子间的氢键作用使纳米碳化硼和纳米氧化锌吸附到聚甲醛纤维表面,同时,利用聚乙二醇表面的羟基、天然因子的官能团与聚甲醛纤维分子链形成的拓扑缠结或链间相互作用,有效提高了纳米碳化硼、纳米氧化锌与聚甲醛纤维之间的相互结合力;同时纳米碳化硼的加入,可有效降低界面接触热阻,同时在纤维表面构建一层松散的空间,增加纤维之间的空隙结构;再者,整理到聚甲醛纤维上的天然因子,不但可与聚甲醛纤维形成稳定且牢固的界面作用力,提升整理液与聚甲醛纤维的结合牢度,还有利于提高聚甲醛纤维的导湿效果;除此之外,聚乙二醇1500和天然因子,还可有效防止静电聚集,提升聚甲醛纤维的抗静电性能,纳米氧化锌具有一定的抗紫外线功能,提升了聚甲醛纤维的功能性。
本发明提供的聚甲醛纤维整理液,通过聚乙二醇1500和天然因子协同,提升整理液与聚甲醛纤维的结合牢度,同时,通过纳米碳化硼、纳米氧化锌在纤维表面构建松散的空隙结构,配合天然因子的导湿特性,复合构建有效导湿导热网络,除此之外,纳米碳化硼还能有效降低界面接触热阻,提升凉感,从而使得整理后的聚甲醛纤维的亲肤性和接触舒适性显著提升。
优选的,所述纳米碳化硼的粒径为10nm-30nm。
优选的,所述纳米氧化锌的粒径为10nm-20nm。
优选的纳米碳化硼和纳米氧化锌的粒径有利于提高其与聚甲醛纤维的结合牢度。
本发明还提供了一种聚甲醛纤维的整理方法,至少包括如下步骤:
将聚甲醛纤维加入到上述任一项所述的聚甲醛纤维整理液中,升温浸渍,烘干,得整理后的聚甲醛纤维。
本发明提供的聚甲醛纤维的整理方法,不仅操作便捷、技术实用,而且在操作过程不需特殊的设备,对操作者的技术专业性及劳动强度要求不高,且实验过程在水系中进行,无有机溶剂参与,是一种简洁、环保的绿色制备方法。
优选的,所述升温浸渍的具体步骤为:以2-3℃/min的速率升温至40℃-50℃,保温10min-20min,然后以1.0-1.5℃/min的速率升温至80℃-100℃,保温10min-20min。
通过上述特定的梯度升温的方式,不但可以达到高温浸渍的效果,还可以克服聚甲醛纤维高温易收缩、稳定性变差的问题,有利于保持聚甲醛纤维的尺寸稳定性,同时还有利于整理液结合到聚甲醛纤维表面,从而提升聚甲醛纤维的舒适性。
优选的,所述聚甲醛纤维整理液与所述聚甲醛纤维的体积质量比(浴比)为为10-30:1,其中,质量单位是克,体积单位是毫升。
优选的整理液和聚甲醛纤维的比例,可使整理液均匀覆盖聚甲醛纤维表面,且干燥后具有较高的结合牢度。
优选的,所述烘干的温度为60℃-80℃。
本发明还提供一种整理聚甲醛纤维,采用上述任一项所述的聚甲醛纤维的整理方法得到。
本发明还提供了一种聚甲醛纤维混纺织物,由所述的整理聚甲醛纤维与棉型纤维混纺得到。
将整理聚甲醛纤维与棉型织物进行混纺,可综合聚甲醛纤维速干性好和棉型纤维吸湿性好的优点,赋予织物柔软、舒适、凉爽的手感和优良的服用性能,显著提升了面料的舒适性,制备的聚甲醛纤维混纺面料尤其适用于作为夏季服装和运动服装的面料。
优选的,所述棉型纤维为棉纤维、竹纤维、麻纤维、天丝或粘胶纤维中的一种或两种。
优选的,所述整理聚甲醛纤维与棉型纤维的混纺比为:聚甲醛纤维30%-40%,棉型纤维60%-70%。
优选的,所述聚甲醛纤维混纺织物为针织网眼布或机织网眼布。
本发明提供的聚甲醛纤维混纺织物,具有优异的导热导湿性能,具备快速干燥的能力,并且具有较强的抗紫外线性能,且制备过程中用的整理液原料均为无毒无害、廉价易得的原料,制备方法操作简单,对设备要求低,适合工业化大规模生产,具有较高的推广应用价值。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
实施例1
本发明实施例提供一种聚甲醛纤维整理液,包括如下质量百分含量的组分:芦荟提取物1%,聚乙二醇1500 1.0%%,纳米碳化硼0.5%,纳米氧化锌1%,余量为水。
采用上述整理液对聚甲醛纤维进行整理的方法,包括如下步骤:
将聚甲醛纤维加入到上述聚甲醛纤维整理液中,浴比为30:1,以2℃/min的速率升温至40℃,保温20min,然后以1.0℃/min的速率升温至80℃,保温20min,于70℃烘干,得整理后的聚甲醛纤维。
将上述所得的整理聚甲醛纤维与棉纤维混纺,得聚甲醛纤维混纺织物,其中,聚甲醛纤维150D/72f,棉纤维为精硫棉26s,织造为针织网眼布,网眼4mm×6mm,混纺比例为聚甲醛纤维40%,棉纤维60%。
实施例2
本发明实施例提供一种聚甲醛纤维整理液,包括如下质量百分含量的组分:茶皂素2.5%,聚乙二醇1500 1.3%,纳米碳化硼1.0%,纳米氧化锌1.5%,余量为水。
采用上述整理液对聚甲醛纤维进行整理的方法,包括如下步骤:
将聚甲醛纤维加入到上述聚甲醛纤维整理液中,浴比为20:1,以3℃/min的速率升温至50℃,保温10min,然后以1.5℃/min的速率升温至90℃,保温15min,于80℃烘干,得整理后的聚甲醛纤维。
将上述所得的整理聚甲醛纤维与麻纤维混纺,得聚甲醛纤维混纺织物,其中,聚甲醛纤维150D/72f,麻纤维为亚麻纤维21s,织造为针织网眼布,网眼4mm×6mm,混纺比例为聚甲醛纤维35%,棉纤维65%。
实施例3
本发明实施例提供一种聚甲醛纤维整理液,包括如下质量百分含量的组分:花青素5%,聚乙二醇1500 1.5%,纳米碳化硼1.5%,纳米氧化锌2%,余量为水。
采用上述整理液对聚甲醛纤维进行整理的方法,包括如下步骤:
将聚甲醛纤维加入到上述聚甲醛纤维整理液中,浴比为10:1,以2.5℃/min的速率升温至45℃,保温15min,然后以1.3℃/min的速率升温至100℃,保温10min,于60℃烘干,得整理后的聚甲醛纤维。
将上述所得的整理聚甲醛纤维与天丝纤维混纺,得聚甲醛纤维混纺织物,其中,聚甲醛纤维150D/72f,天丝纤维23s,织造为针织网眼布,网眼4mm×6mm,混纺比例为聚甲醛纤维30%,棉纤维70%。
实施例1-3中所用纳米碳化硼的粒径为10nm-30nm,纳米氧化锌的粒径为10nm-20nm。
对比例1
本对比例提供一种聚甲醛纤维混纺织物,具体制备方法与实施例3完全相同,不同的仅是将整理液中的聚乙二醇1500替换为等量的聚乙二醇600。
对比例2
本对比例提供一种聚甲醛纤维混纺织物,具体制备方法与实施例3完全相同,不同的仅是将整理液中的聚乙二醇1500替换为等量的聚乙二醇2000。
对比例3
本对比例提供一种聚甲醛纤维混纺织物,具体制备方法与实施例3完全相同,不同的仅是将整理液中的碳化硼替换为等量的粒径为10nm-30nm的氧化铝。
对比例4
本对比例提供一种聚甲醛纤维混纺织物,具体制备方法与实施例3完全相同,不同的仅是将整理液中的碳化硼替换为等量的粒径为10nm-30nm的碳化硅。
将实施例1-3以及对比例1-4制备的聚甲醛纤维混纺织物进行测试,其中,热阻和湿阻采用蒸发法进行测试,测试标准分别为GB/T 11048-2018;透湿率测试采用吸湿法,测试标准为GB/T 12704.1-2009,以透过单位面积织物的水蒸气的质量来衡量织物透湿性能的好坏;透气率的测试标准为GB/T5453-1997;抗菌性的测试标准为GB/T20944.3-2008,采用震荡法来测试织物的抗菌性能;抗紫外线的测试标准为GB/T18830-2003;抗静电的测试标准为GB/T 12703.1—2008《纺织品静电性能的评定第1部分:静电压半衰期》测试。测试结果如表1所示。
表1
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换或改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种聚甲醛纤维整理液,其特征在于,包括如下质量百分含量的组分:天然因子1%-5%,聚乙二醇1500 1.0%-1.5%,纳米碳化硼0.5-1.5%,纳米氧化锌1%-2%,余量为水;其中,所述天然因子为花青素、茶皂素或芦荟提取物中至少一种。
2.如权利要求1所述的聚甲醛纤维整理液,其特征在于,所述纳米碳化硼的粒径为10nm-30nm。
3.如权利要求1所述的聚甲醛纤维整理液,其特征在于,所述纳米氧化锌的粒径为10nm-20nm。
4.一种聚甲醛纤维的整理方法,其特征在于,至少包括如下步骤:
将聚甲醛纤维加入到权利要求1-3任一项所述的聚甲醛纤维整理液中,升温浸渍,烘干,得整理后的聚甲醛纤维。
5.如权利要求4所述的聚甲醛纤维的整理方法,其特征在于,所述升温浸渍的具体步骤为:以2-3℃/min的速率升温至40℃-50℃,保温10min-20min,然后以1.0-1.5℃/min的速率升温至80℃-100℃,保温10min-20min。
6.如权利要求4所述的聚甲醛纤维的整理方法,其特征在于,所述聚甲醛纤维整理液与所述聚甲醛纤维的体积质量比为10-30:1,其中,质量单位是克,体积单位是毫升。
7.如权利要求4所述的聚甲醛纤维的整理方法,其特征在于,所述烘干的温度为60℃-80℃。
8.一种整理聚甲醛纤维,其特征在于,采用权利要求4-7任一项所述的聚甲醛纤维的整理方法得到。
9.一种聚甲醛纤维混纺织物,其特征在于,由权利要求8所述的整理聚甲醛纤维与棉型纤维混纺得到。
10.如权利要求9所述的聚甲醛纤维混纺织物,其特征在于,所述棉型纤维为棉纤维、竹纤维、麻纤维、天丝或粘胶纤维中的一种或两种;和/或
所述整理聚甲醛纤维与棉型纤维的混纺比为:聚甲醛纤维30%-40%,棉型纤维60%-70%。
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