CN111535025A - 一种下部可翻折式口罩用抑菌无纺布的制备方法 - Google Patents

一种下部可翻折式口罩用抑菌无纺布的制备方法 Download PDF

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CN111535025A
CN111535025A CN202010390749.7A CN202010390749A CN111535025A CN 111535025 A CN111535025 A CN 111535025A CN 202010390749 A CN202010390749 A CN 202010390749A CN 111535025 A CN111535025 A CN 111535025A
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刘学森
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Abstract

本发明公开了一种下部可翻折式口罩用抑菌无纺布的制备方法,包括以下步骤:S1、配料:纤维原料由质量比10~18:2~5的氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维组成;S2、将氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维分别进行开松、混棉、梳理、抗静电处理、铺网、牵伸、水剌、干燥,制备抑菌无纺布。本发明将氧化石墨烯与聚酰亚胺复合纤维与聚丙烯小微复配作为主要原料,同时在进行开松前使用中药组合物浸泡上述纤维原料,使得经开松、混棉、梳理、抗静电处理、铺网、牵伸、水剌、干燥,制备抑菌无纺布不仅具有持久的抑菌性能,抑菌率高达99.9%,同时具有优异的防辐射效果,可以用于制备下部可翻折式口罩。

Description

一种下部可翻折式口罩用抑菌无纺布的制备方法
技术领域
本发明涉及医疗用品制备技术领域,尤其涉及一种下部可翻折式口罩用抑菌无纺布的制备方法。
背景技术
无纺布,又称不织布,是由定向的或随机的纤维而构成。因具有布的外观和某些性能而称其为布。无纺布具有防潮、透气、柔韧、质轻、不助燃、容易分解、无毒无刺激性、色彩丰富、价格低廉、可循环再用等特点。如何赋予己经广泛应用的无纺布材料的优良的性能,成为当前一个热门的课题。
无纺布用途广泛,其中医用无纺布方面,包括医用口罩、防护服、手术衣、隔离衣、实验服,护士帽、手术帽、医生帽、手术包、产妇包、急救包、尿布、枕套、床单、被套、鞋套等一次性医用耗材系列。与传统的纯棉机织医用纺织品相比,医用非织造织物具有对细菌、尘埃过滤性高、手术感染率低、消毒灭菌方便、易于与其它材料复合等特点。医用非织造产品作为用即弃的一次性用品,不仅使用便利,安全卫生,还能有效地防止细菌感染和医原性交叉感染。我国每年消耗大量的医用无纺布,但目前市售的医用无纺布功能比较单一,特别是医用口罩中使用的医用无纺布,因使用环境的特殊性,对其抗菌、防辐射等性能的要求均较高,因此缺少一种集抗菌性、防辐射等多功能于一身的医用无纺布。
下部可翻折式口罩是一种能够贴合不同使用者的口鼻区域,方便用户呼吸的新型医用口罩。因此制备一种下部可翻折式口罩用抑菌无纺布具有重要意义。
发明内容
为了解决现有技术中存在的缺点,本发明提出了一种下部可翻折式口罩用抑菌无纺布的制备方法。
为了实现以上目的,本发明采用的技术方案为:
一种下部可翻折式口罩用抑菌无纺布的制备方法,包括以下步骤:
S1、配料:纤维原料由质量比10~18:2~5的氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维组成;
S2、将氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维分别进行开松、混棉、梳理、抗静电处理、铺网、牵伸、水剌、干燥,制备抑菌无纺布。
优选的,氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维在进行开松之前分别浸泡在中药组合物中,浸泡时间为30~45min,所述中药组合物,其原料包括以下重量份数的组分:枸杞子提取液12~20份,牛筋草提取液5~18份、栀子花提取液15~28份,芡实提取液8~15份,牛蒡提取液8~15份,桑葚提取液10~18份、马齿笕提取液5~12份。
优选的,所述中药组合物,其原料包括以下重量份数的组分:枸杞子提取液15份,牛筋草提取液12份、栀子花提取液25份,芡实提取液12份,牛蒡提取液8份,桑葚提取液18份、马齿笕提取液10份。
优选的,所述梳理处理后,得到纤网,所得纤网的单位面积克重为15~20g/m2,所述水剌处理条件为:水剌头的水针孔直径在0.1~0.3mm,孔距为0.6~0.8mm,水剌压力为60~100kg/cm2
优选的,所述氧化石墨烯/聚酰亚胺复合纤维,由氧化石墨烯/聚酰亚胺复合纺丝溶液通过常规湿法纺丝得到,所述氧化石墨烯/聚酰亚胺复合纺丝溶液的制备,包括以下步骤:将聚酰亚胺固体颗粒溶解于N-甲基吡咯烷酮中,制备成质量分数为30~45%的聚酰亚胺纺丝溶液,然后向溶液中加入氧化石墨烯颗粒,超声处理,得到氧化石墨烯/聚酰亚胺复合纺丝溶液。
优选的,所述氧化石墨烯与聚酰亚胺的质量比为0.5~1.5:100,所述超声处理时间为25~40min,超声波频率为10~25KHz。
根据上述制备方法得到的抗菌无纺布,可以用于医用口罩的制作。
优选的,所述医用口罩为现有技术已公开的任一种下部可翻折式口罩。
与现有技术相比,本发明有益效果如下:
(1)本发明中,将氧化石墨烯与聚酰亚胺复合纤维与聚丙烯小微复配作为主要原料,同时在进行开松前使用中药组合物浸泡上述纤维原料,使得经开松、混棉、梳理、抗静电处理、铺网、牵伸、水剌、干燥,制备抑菌无纺布不仅具有持久的抑菌性能,抑菌率高达99.9%,同时具有优异的防辐射效果;
(2)本发明的无纺布集抑菌性、防辐射等功能于一身,基本解决了医用口罩用无纺布各个方面的需求,可以用于制备现有技术公开的任一下部可翻折式口罩;
(3)本发明工艺简单,适合推广。
具体实施方式
下面结合具体实施例对本发明作进一步解说。
实施例1
一种下部可翻折式口罩用抑菌无纺布的制备方法,包括以下步骤:S1、配料:纤维原料由质量比15:2的氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维组成;
S2、将氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维分别进行开松、混棉、梳理、抗静电处理、铺网,得到单位面积克重为15g/m2的纤网,经牵伸、水剌,水剌处理条件为:水剌头的水针孔直径在0.2mm,孔距为0.7mm,水剌压力为80kg/cm2,干燥,制备抑菌无纺布;
其中,氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维在进行开松之前分别浸泡在中药组合物中,浸泡时间为39min,所述中药组合物,其原料包括以下重量份数的组分:枸杞子提取液15份,牛筋草提取液12份、栀子花提取液25份,芡实提取液12份,牛蒡提取液8份,桑葚提取液18份、马齿笕提取液10份;
氧化石墨烯/聚酰亚胺复合纤维,由氧化石墨烯/聚酰亚胺复合纺丝溶液通过常规湿法纺丝得到,所述氧化石墨烯/聚酰亚胺复合纺丝溶液的制备,包括以下步骤:将聚酰亚胺固体颗粒溶解于N-甲基吡咯烷酮中,制备成质量分数为40%的聚酰亚胺纺丝溶液,然后向溶液中加入聚酰亚胺固体颗粒质量1.0%的氧化石墨烯颗粒,超声处理,超声处理时间为40min,超声波频率为15KHz,得到氧化石墨烯/聚酰亚胺复合纺丝溶液。
实施例2
一种下部可翻折式口罩用抑菌无纺布的制备方法,包括以下步骤:S1、配料:纤维原料由质量比18:2的氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维组成;
S2、将氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维分别进行开松、混棉、梳理、抗静电处理、铺网,得到单位面积克重为18g/m2的纤网,经牵伸、水剌,水剌处理条件为:水剌头的水针孔直径在0.2mm,孔距为0.6mm,水剌压力为90kg/cm2,干燥,制备抑菌无纺布;
其中,氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维在进行开松之前分别浸泡在中药组合物中,浸泡时间为32min,所述中药组合物,其原料包括以下重量份数的组分:枸杞子提取液20份,牛筋草提取液12份、栀子花提取液28份,芡实提取液8份,牛蒡提取液15份,桑葚提取液18份、马齿笕提取液5份;
氧化石墨烯/聚酰亚胺复合纤维,由氧化石墨烯/聚酰亚胺复合纺丝溶液通过常规湿法纺丝得到,所述氧化石墨烯/聚酰亚胺复合纺丝溶液的制备,包括以下步骤:将聚酰亚胺固体颗粒溶解于N-甲基吡咯烷酮中,制备成质量分数为30%的聚酰亚胺纺丝溶液,然后向溶液中加入聚酰亚胺固体颗粒质量1.5%的氧化石墨烯颗粒,超声处理,超声处理时间为35min,超声波频率为25KHz,得到氧化石墨烯/聚酰亚胺复合纺丝溶液。
实施例3
一种下部可翻折式口罩用抑菌无纺布的制备方法,包括以下步骤:S1、配料:纤维原料由质量比10:5的氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维组成;
S2、将氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维分别进行开松、混棉、梳理、抗静电处理、铺网,得到单位面积克重为15g/m2的纤网,经牵伸、水剌,水剌处理条件为:水剌头的水针孔直径在0.2mm,孔距为0.7mm,水剌压力为80kg/cm2,干燥,制备抑菌无纺布;
其中,氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维在进行开松之前分别浸泡在中药组合物中,浸泡时间为45min,所述中药组合物,其原料包括以下重量份数的组分:枸杞子提取液12份,牛筋草提取液18份、栀子花提取液20份,芡实提取液12份,牛蒡提取液11份,桑葚提取液15份、马齿笕提取液12份;
氧化石墨烯/聚酰亚胺复合纤维,由氧化石墨烯/聚酰亚胺复合纺丝溶液通过常规湿法纺丝得到,所述氧化石墨烯/聚酰亚胺复合纺丝溶液的制备,包括以下步骤:将聚酰亚胺固体颗粒溶解于N-甲基吡咯烷酮中,制备成质量分数为45%的聚酰亚胺纺丝溶液,然后向溶液中加入聚酰亚胺固体颗粒质量0.5%的氧化石墨烯颗粒,超声处理,超声处理时间为25min,超声波频率为10KHz,得到氧化石墨烯/聚酰亚胺复合纺丝溶液。
对比例1
本实施提供了一种下部可翻折式口罩用抑菌无纺布的制备方法,与实施例1的制备方法基本相同,不同之处仅在于:本实施例中不加入氧化石墨烯/聚酰亚胺复合纤维。
对比例2
本实施提供了一种下部可翻折式口罩用抑菌无纺布的制备方法,与实施例2的制备方法基本相同,不同之处仅在于:原料纤维不进行中药组合物浸泡处理,直接进行开送处理。
性能测试
将本发明各实施例和对比例制备的抑菌无纺布,以及市售的普通无纺布(作为对照例3)进行性能测试,其测试结果如下表1所示。
Figure 469276DEST_PATH_IMAGE002
由上表1结果可见,实施例1~3的无纺布产品具有优异的抑菌性能、防辐射性能,可以用于制备下部可翻折式口罩。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (8)

1.一种下部可翻折式口罩用抑菌无纺布的制备方法,其特征在于,包括以下步骤:
S1、配料:纤维原料由质量比10~18:2~5的氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维组成;
S2、将氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维分别进行开松、混棉、梳理、抗静电处理、铺网、牵伸、水剌、干燥,制备抑菌无纺布。
2.根据权利要求1所述的制备方法,其特征在于,氧化石墨烯/聚酰亚胺复合纤维和聚丙纤维在进行开松之前分别浸泡在中药组合物中,浸泡时间为30~45min,所述中药组合物,其原料包括以下重量份数的组分:枸杞子提取液12~20份,牛筋草提取液5~18份、栀子花提取液15~28份,芡实提取液8~15份,牛蒡提取液8~15份,桑葚提取液10~18份、马齿笕提取液5~12份。
3.根据权利要求1所述的制备方法,其特征在于,所述中药组合物,其原料包括以下重量份数的组分:枸杞子提取液15份,牛筋草提取液12份、栀子花提取液25份,芡实提取液12份,牛蒡提取液8份,桑葚提取液18份、马齿笕提取液10份。
4.根据权利要求1所述的制备方法,其特征在于,所述梳理处理后,得到纤网,所得纤网的单位面积克重为15~20g/m2,所述水剌处理条件为:水剌头的水针孔直径在0.1~0.3mm,孔距为0.6~0.8mm,水剌压力为60~100kg/cm2
5.根据权利要求1所述的制备方法,其特征在于,所述氧化石墨烯/聚酰亚胺复合纤维,由氧化石墨烯/聚酰亚胺复合纺丝溶液通过湿法纺丝得到,所述氧化石墨烯/聚酰亚胺复合纺丝溶液的制备,包括以下步骤:将聚酰亚胺固体颗粒溶解于N-甲基吡咯烷酮中,制备成质量分数为30~45%的聚酰亚胺纺丝溶液,然后向溶液中加入氧化石墨烯颗粒,超声处理,得到氧化石墨烯/聚酰亚胺复合纺丝溶液。
6.根据权利要求5所述的制备方法,其特征在于,所述氧化石墨烯与聚酰亚胺的质量比为0.5~1.5:100,所述超声处理时间为25~40min,超声波频率为10~25KHz。
7.根据权利要求1-6任一项所述制备方法得到的抑菌无纺布的应用于医用口罩的制作。
8.根据权利要求7所述应用,其特征在于,所述医用口罩为下部可翻折式口罩。
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