CN111719245A - 一种防水透气纳米纤维膜的制备方法 - Google Patents

一种防水透气纳米纤维膜的制备方法 Download PDF

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CN111719245A
CN111719245A CN202010577887.6A CN202010577887A CN111719245A CN 111719245 A CN111719245 A CN 111719245A CN 202010577887 A CN202010577887 A CN 202010577887A CN 111719245 A CN111719245 A CN 111719245A
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姜启刚
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Suzhou Qiyan New Material Technology Co ltd
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Abstract

本发明公开了一种防水透气纳米纤维膜的制备方法，其制备方法包括以下步骤：A、基底膜制备：将热塑性聚氨酯、聚合物纳米纤维、石墨烯、聚乙烯、羟乙基纤维素、纳米二氧化钛和纳米二氧化硅颗粒粉碎后投入熔炉内。本发明先制备基底膜，后在基底膜表面喷射一层亲水膜，再在基底膜底面喷射层疏水膜，最后通过挤压、干燥、收卷和裁切得到成卷的薄膜，可有效提高本薄膜整体的防水透气性，且基底膜采用热塑性聚氨酯、纳米二氧化钛、纳米二氧化硅颗粒和石墨烯等作为原料，可有效提高本薄膜整体的韧性、抗菌、抗紫外线和强度，从而扩大了本薄膜整体的使用范围和使用寿命，提高了其市场竞争力，符合企业自身的利益。

Description

一种防水透气纳米纤维膜的制备方法
技术领域
本发明涉及薄膜技术领域，具体为一种防水透气纳米纤维膜的制备方法。
背景技术
薄膜是一种薄而软的透明薄片，用塑料、胶粘剂、橡胶或其他材料制成，薄膜科学上的解释为：由原子、分子或离子沉积在基片表面形成的2维材料，例：光学薄膜、复合薄膜、超导薄膜、聚酯薄膜、尼龙薄膜、塑料薄膜等等，薄膜被广泛用于电子电器、机械、印刷等行业，但现有的薄膜其防水透气性较差，从而降低了其使用范围，且其抗紫外线等效果较差，从而降低了其使用寿命，不符合企业自身的利益。
发明内容
本发明的目的在于提供一种防水透气纳米纤维膜的制备方法，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种防水透气纳米纤维膜的制备方法，其制备方法包括以下步骤：
A、基底膜制备：将热塑性聚氨酯、聚合物纳米纤维、石墨烯、聚乙烯、羟乙基纤维素、纳米二氧化钛和纳米二氧化硅颗粒粉碎后投入熔炉内，然后将熔融液投入搅拌机内，再向搅拌机内投入聚乳酸和成膜助剂，将搅拌后的物料投入挤出机内，采用排气式双螺杆造粒机造粒，并经挤出切粒后制得纺丝聚合物，将制得的纺丝聚合物在高温高压空气条件下进行熔融静电纺丝，经接收板接收后获得直径为10-200nm的纳米纤维，再经热压后得到基底膜；
B、亲水膜制备：将淀粉、蛋白质、聚丙烯酸、聚丙烯酞胺和聚酞胺投入熔炉内，然后将熔融液投入搅拌机内，再向搅拌机内投入丙酮、二氯甲烷和二甲基甲酰胺，将搅拌后的物料投入静电纺丝机内，在高压作用下，在基底膜表面喷射得到一层亲水膜；
C、疏水膜制备：将PTFE、氟化聚乙烯、氟碳蜡、聚烯烃、聚碳酸酯和聚酰胺投入熔炉内，然后将熔融液投入搅拌机内，再向搅拌机内投入醋酸乙烯酯和四氢呋喃，将搅拌后的物料投入静电纺丝机内，在高压作用下，在基底膜底面喷射得到一层疏水膜；
D、挤压：将得到的薄膜通过挤压辊内挤压得到预定的厚度；
E、干燥；将挤压后的薄膜送入干燥机构内进行干燥处理；
F、收卷、裁切：将干燥后的薄膜卷绕成卷，并根据需要切割成不同宽度；
G、检验合格后包装入库。
优选的，所述步骤A中，加料温度为65-85℃，中间塑化段温度为100-110℃，机头温度为110-120℃，口模温度为120-135℃。
优选的，所述步骤D中的挤压辊数量为多个，且多个挤压辊之间为等距设置，同时，每个挤压辊均通过安装板连接有液压杆，且液压杆的底部与输送架连接，同时，输送架的内表面且位于挤压辊底部的对应位置还活动安装有输送辊。
优选的，所述步骤E中的干燥机构为固定安装于干燥箱外部的吹风机，以及通过管道与吹风机输出端连通的喷头，同时，喷头的数量为多个，每两个相邻喷头之间的距离均相同，且人们还可根据需要在吹风机与喷头连通的管道之间安装电加热器。
优选的，所述步骤F中的收卷机构为内表面活动安装收卷辊的支架，且支架的一端与外置电机的输出轴通过皮带传动连接，裁切机构为设置在支架顶部的切割片，且切割片的顶部通过连杆固定连接有可沿支架前后方向滑动的滑座，同时，滑座设置于支架的顶部。
与现有技术相比，本发明的有益效果如下：
本发明先制备基底膜，后在基底膜表面喷射一层亲水膜，再在基底膜底面喷射层疏水膜，最后通过挤压、干燥、收卷和裁切得到成卷的薄膜，可有效提高本薄膜整体的防水透气性，且基底膜采用热塑性聚氨酯、纳米二氧化钛、纳米二氧化硅颗粒和石墨烯等作为原料，可有效提高本薄膜整体的韧性、抗菌、抗紫外线和强度，从而扩大了本薄膜整体的使用范围和使用寿命，提高了其市场竞争力，符合企业自身的利益。
具体实施方式
下面将结合本发明的实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
一种防水透气纳米纤维膜的制备方法，其制备方法包括以下步骤：
A、基底膜制备：将热塑性聚氨酯、聚合物纳米纤维、石墨烯、聚乙烯、羟乙基纤维素、纳米二氧化钛和纳米二氧化硅颗粒粉碎后投入熔炉内，然后将熔融液投入搅拌机内，再向搅拌机内投入聚乳酸和成膜助剂，将搅拌后的物料投入挤出机内，采用排气式双螺杆造粒机造粒，并经挤出切粒后制得纺丝聚合物，将制得的纺丝聚合物在高温高压空气条件下进行熔融静电纺丝，经接收板接收后获得直径为10-200nm的纳米纤维，再经热压后得到基底膜；
B、亲水膜制备：将淀粉、蛋白质、聚丙烯酸、聚丙烯酞胺和聚酞胺投入熔炉内，然后将熔融液投入搅拌机内，再向搅拌机内投入丙酮、二氯甲烷和二甲基甲酰胺，将搅拌后的物料投入静电纺丝机内，在高压作用下，在基底膜表面喷射得到一层亲水膜；
C、疏水膜制备：将PTFE、氟化聚乙烯、氟碳蜡、聚烯烃、聚碳酸酯和聚酰胺投入熔炉内，然后将熔融液投入搅拌机内，再向搅拌机内投入醋酸乙烯酯和四氢呋喃，将搅拌后的物料投入静电纺丝机内，在高压作用下，在基底膜底面喷射得到一层疏水膜；
D、挤压：将得到的薄膜通过挤压辊内挤压得到预定的厚度；
E、干燥；将挤压后的薄膜送入干燥机构内进行干燥处理；
F、收卷、裁切：将干燥后的薄膜卷绕成卷，并根据需要切割成不同宽度；
G、检验合格后包装入库。
先制备基底膜，后在基底膜表面喷射一层亲水膜，再在基底膜底面喷射层疏水膜，最后通过挤压、干燥、收卷和裁切得到成卷的薄膜，可有效提高本薄膜整体的防水透气性，且基底膜采用热塑性聚氨酯、纳米二氧化钛、纳米二氧化硅颗粒和石墨烯等作为原料，可有效提高本薄膜整体的韧性、抗菌、抗紫外线和强度，从而扩大了本薄膜整体的使用范围和使用寿命，提高了其市场竞争力，符合企业自身的利益。
步骤A中，加料温度为65-85℃，中间塑化段温度为100-110℃，机头温度为110-120℃，口模温度为120-135℃。
步骤D中的挤压辊数量为多个，且多个挤压辊之间为等距设置，同时，每个挤压辊均通过安装板连接有液压杆，且液压杆的底部与输送架连接，同时，输送架的内表面且位于挤压辊底部的对应位置还活动安装有输送辊。
步骤E中的干燥机构为固定安装于干燥箱外部的吹风机，以及通过管道与吹风机输出端连通的喷头，同时，喷头的数量为多个，每两个相邻喷头之间的距离均相同，且人们还可根据需要在吹风机与喷头连通的管道之间安装电加热器。
步骤F中的收卷机构为内表面活动安装收卷辊的支架，且支架的一端与外置电机的输出轴通过皮带传动连接，裁切机构为设置在支架顶部的切割片，且切割片的顶部通过连杆固定连接有可沿支架前后方向滑动的滑座，同时，滑座设置于支架的顶部
使用时，先制备基底膜，后在基底膜表面喷射一层亲水膜，再在基底膜底面喷射层疏水膜，最后通过挤压、干燥、收卷和裁切得到成卷的薄膜，可有效提高本薄膜整体的防水透气性，且基底膜采用热塑性聚氨酯、纳米二氧化钛、纳米二氧化硅颗粒和石墨烯等作为原料，可有效提高本薄膜整体的韧性、抗菌、抗紫外线和强度，从而扩大了本薄膜整体的使用范围和使用寿命，提高了其市场竞争力，符合企业自身的利益。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (5)

1.一种防水透气纳米纤维膜的制备方法，其特征在于：其制备方法包括以下步骤：
A、基底膜制备：将热塑性聚氨酯、聚合物纳米纤维、石墨烯、聚乙烯、羟乙基纤维素、纳米二氧化钛和纳米二氧化硅颗粒粉碎后投入熔炉内，然后将熔融液投入搅拌机内，再向搅拌机内投入聚乳酸和成膜助剂，将搅拌后的物料投入挤出机内，采用排气式双螺杆造粒机造粒，并经挤出切粒后制得纺丝聚合物，将制得的纺丝聚合物在高温高压空气条件下进行熔融静电纺丝，经接收板接收后获得直径为10-200nm的纳米纤维，再经热压后得到基底膜；
B、亲水膜制备：将淀粉、蛋白质、聚丙烯酸、聚丙烯酞胺和聚酞胺投入熔炉内，然后将熔融液投入搅拌机内，再向搅拌机内投入丙酮、二氯甲烷和二甲基甲酰胺，将搅拌后的物料投入静电纺丝机内，在高压作用下，在基底膜表面喷射得到一层亲水膜；
C、疏水膜制备：将PTFE、氟化聚乙烯、氟碳蜡、聚烯烃、聚碳酸酯和聚酰胺投入熔炉内，然后将熔融液投入搅拌机内，再向搅拌机内投入醋酸乙烯酯和四氢呋喃，将搅拌后的物料投入静电纺丝机内，在高压作用下，在基底膜底面喷射得到一层疏水膜；
D、挤压：将得到的薄膜通过挤压辊内挤压得到预定的厚度；
E、干燥；将挤压后的薄膜送入干燥机构内进行干燥处理；
F、收卷、裁切：将干燥后的薄膜卷绕成卷，并根据需要切割成不同宽度；
G、检验合格后包装入库。
2.根据权利要求1所述的一种防水透气纳米纤维膜的制备方法，其特征在于：所述步骤A中，加料温度为65-85℃，中间塑化段温度为100-110℃，机头温度为110-120℃，口模温度为120-135℃。
3.根据权利要求1所述的一种防水透气纳米纤维膜的制备方法，其特征在于：所述步骤D中的挤压辊数量为多个，且多个挤压辊之间为等距设置，同时，每个挤压辊均通过安装板连接有液压杆，且液压杆的底部与输送架连接，同时，输送架的内表面且位于挤压辊底部的对应位置还活动安装有输送辊。
4.根据权利要求1所述的一种防水透气纳米纤维膜的制备方法，其特征在于：所述步骤E中的干燥机构为固定安装于干燥箱外部的吹风机，以及通过管道与吹风机输出端连通的喷头，同时，喷头的数量为多个，每两个相邻喷头之间的距离均相同，且人们还可根据需要在吹风机与喷头连通的管道之间安装电加热器。
5.根据权利要求1所述的一种防水透气纳米纤维膜的制备方法，其特征在于：所述步骤F中的收卷机构为内表面活动安装收卷辊的支架，且支架的一端与外置电机的输出轴通过皮带传动连接，裁切机构为设置在支架顶部的切割片，且切割片的顶部通过连杆固定连接有可沿支架前后方向滑动的滑座，同时，滑座设置于支架的顶部。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114515041A (zh) * 2022-03-03 2022-05-20 河南尤依特卫生防护用品有限公司 一种手术服和防护服制作材料及制作方法
CN115305651A (zh) * 2022-07-14 2022-11-08 昆承新材料科技(江苏)有限公司 一种防水透气面料及其制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114515041A (zh) * 2022-03-03 2022-05-20 河南尤依特卫生防护用品有限公司 一种手术服和防护服制作材料及制作方法
CN115305651A (zh) * 2022-07-14 2022-11-08 昆承新材料科技(江苏)有限公司 一种防水透气面料及其制备方法

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