CN108824086B - 一种碳纳米管-芳纶远红外纸及其制备方法和一种碳纳米管远红外线理疗鞋鞋底内衬 - Google Patents
一种碳纳米管-芳纶远红外纸及其制备方法和一种碳纳米管远红外线理疗鞋鞋底内衬 Download PDFInfo
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Abstract
本发明提供了一种碳纳米管‑芳纶远红外纸及碳纳米管远红外线理疗鞋鞋底内衬,所述碳纳米管‑芳纶远红外纸的制备工艺简单,将制备得到的碳纳米管‑芳纶远红外纸用于理疗鞋鞋底内衬,得到的碳纳米管远红外线理疗鞋鞋底内衬结构简单,不仅能够发射远红外线,而且兼具理疗、保暖和提高免疫的功能。
Description
技术领域
本发明涉及纳米材料红外线应用技术领域,尤其涉及一种碳纳米管-芳纶远红外纸及其制备方法和一种碳纳米管远红外线理疗鞋鞋底内衬。
背景技术
随着生活水平的提高,人们更加关注养生问题,特别是脚部的养生,而由于繁忙的生活,能够在跑步走路的时候达到养生功效才是现代人所需要的。然而,普通的鞋子只能起到保暖的作用,而且有些鞋子会增加脚部细菌滋生,感染疾病。因此,理疗鞋应运而生。
远红外线的振动频率和人体内细胞分子的振动频率接近,其间产生的共振不仅会使人体皮下深层温度上升,可以起到保暖的作用;并使微细血管扩张,其可促进血液循环、加快新陈代谢、舒缓肌肉酸痛,达到活化组织细胞、防止老化、强化免疫系统的目的。
然而,现有的远红外理疗鞋垫结构复杂,制备繁琐,理疗功能有待进一步提高。
发明内容
本发明的目的在于提供一种碳纳米管-芳纶远红外纸,将该碳纳米管-远红外纸用于理疗鞋鞋底内衬,能够使得鞋底内衬结构简单,且兼具理疗、保暖和提高免疫的功能。
为了实现上述发明目的,本发明提供以下技术方案:
本发明提供了一种碳纳米管-芳纶远红外纸的制备方法,包括以下步骤:
将对位芳纶短切纤维的分散液和对位芳纶沉析纤维的分散液混合,进行打浆,得到芳纶纤维浆料;
将所述芳纶纤维浆料与碳纳米管的分散液和增强剂混合,将所得芳纶-碳纳米管纤维浆料涂覆到滤纸上,依次经过干燥、碾压和剥离滤纸,得到碳纳米管-芳纶远红外纸。
优选的,所述对位芳纶短切纤维和对位芳纶沉析纤维的质量比为2:3~5。
优选的,所述碳纳米管的质量与所述对位芳纶短切纤维和对位芳纶沉析纤维总质量的比为1:2~4。
优选的,所述增强剂为阴离子聚丙烯酰胺和羧甲基纤维素。
优选的,所述阴离子聚丙烯酰胺与羧甲基纤维素的质量比为0.5~2:1。
优选的,所述增强剂的质量与所述对位芳纶短切纤维和对位芳纶沉析纤维总质量的比例为0.03~0.08:1。
本发明提供了一种由上述技术方案所述制备方法制备得到的碳纳米管-芳纶远红外纸。
优选的,所述碳纳米管-芳纶远红外纸的厚度为0.1~1mm。
本发明提供了一种碳纳米管远红外线理疗鞋鞋底内衬,包括电源、导线和碳纳米管-芳纶远红外纸,所述电源通过导线连接至碳纳米管-芳纶远红外纸的两端,所述碳纳米管-芳纶远红外纸为上述技术方案所述碳纳米管-芳纶远红外纸。
优选的,所述电源为压电晶体、充电宝、太阳能电池或无线充电设备。
本发明提供了一种碳纳米管-芳纶远红外纸的制备方法,将对位芳纶短切纤维的分散液和对位芳纶沉析纤维的分散液混合,进行打浆,得到芳纶纤维浆料;将所述芳纶纤维浆料与碳纳米管的分散液和增强剂混合,将所得芳纶-碳纳米管纤维浆料喷涂到滤纸上,依次经过干燥、碾压和剥离滤纸,得到碳纳米管-芳纶远红外纸。本发明制备的碳纳米管-芳纶远红外纸含有的碳纳米管具有良好的热学性能和机械性能,其发射出红外线中远红外线的比例高达90%以上,且芳纶纤维具有良好的强度和韧性。将本发明制备得到的碳纳米管-芳纶远红外纸用于理疗鞋鞋底内衬,得到的碳纳米管远红外线理疗鞋鞋底内衬结构简单,不仅能够发射远红外线,而且本发明的鞋底内衬中含有的碳纳米管具有良好的导电性,且其红外转换效率接近百分之百,远红外线的振动频率和人体内细胞分子的振动频率接近,其间产生的共振不仅会使人体皮下深层温度上升,可以起到保暖的作用;并使微细血管扩张,其可促进血液循环、加快新陈代谢、舒缓肌肉酸痛,达到活化组织细胞、防止老化、强化免疫系统的目的,即兼具理疗、保暖和提高免疫的功能。
附图说明
图1为本发明的碳纳米管远红外线理疗鞋鞋底内衬的结构示意图。
具体实施方式
本发明提供了一种碳纳米管-芳纶远红外纸的制备方法,包括以下步骤:
将对位芳纶短切纤维的分散液和对位芳纶沉析纤维的分散液混合,进行打浆,得到芳纶纤维浆料;
将所述芳纶纤维浆料与碳纳米管的分散液和增强剂混合,将所得芳纶-碳纳米管纤维浆料涂覆到滤纸上,依次经过干燥、碾压和剥离滤纸,得到碳纳米管-芳纶远红外纸。
本发明将对位芳纶短切纤维的分散液和对位芳纶沉析纤维的分散液混合,进行打浆,得到芳纶纤维浆料。本发明优选将对位芳纶短切纤维与十二烷基苯磺酸钠水溶液混合,然后超声分散30~60min,再用去离子水清洗,得到对位芳纶短切纤维的分散液。本发明优选将对位芳纶沉析纤维与水混合,然后超声分散30~60min,得到对位芳纶沉析纤维的分散液。在本发明中,所述对位芳纶短切纤维和对位芳纶沉析纤维的质量比优选为2:3~5。本发明对所述对位芳纶短切纤维的分散液和对位芳纶沉析纤维的分散液混合的方式没有特殊的限定,选用本领域技术人员熟知的方式进行混合即可。在本发明中,所述对位芳纶短切纤维的长度优选为3~5mm,直径优选为8~12μm;所述对位芳纶沉析纤维的长度优选为0.2~1mm,宽度优选为0.2~1mm,厚度优选为3~5μm。在本发明中,所述打浆的时间优选为30~60min,更优选为40~50min,所述打浆的浓度优选为5~8%,更优选为6~7%。本发明优选在槽式打浆机中进行所述打浆。
得到芳纶纤维浆料后,本发明将所述芳纶纤维浆料与碳纳米管的分散液和增强剂混合,将所得芳纶-碳纳米管纤维浆料涂覆到滤纸上,依次经过干燥、碾压和剥离滤纸,得到碳纳米管-芳纶远红外纸。在本发明中,所述增强剂优选为阴离子聚丙烯酰胺和羧甲基纤维素;所述阴离子聚丙烯酰胺和羧甲基纤维素的质量比优选为0.5~2:1。在本发明中,所述增强剂的质量与所述对位芳纶短切纤维和对位芳纶沉析纤维的总质量的比优选为0.03~0.08:1。本发明优选将碳纳米管与乙醇混合,得到碳纳米管的分散液;本发明对所述混合的方式没有特殊的限定,选用本领域技术人员熟知的方式进行混合即可。在本发明中,所述碳纳米管的质量与所述对位芳纶短切纤维和对位芳纶沉析纤维总质量的比优选为1:2~4。在本发明中,所述芳纶纤维浆料与碳纳米管的分散液和增强剂混合的顺序优选为先将芳纶纤维浆料与碳纳米管的分散液混合,然后将增强剂加入到所得混合液中;本发明优选通过气流对撞机将所述芳纶纤维浆料与碳纳米管的分散液进行混合,能够提高浆料的混合速度和均匀性。在本发明中,所述涂覆优选为喷涂;本发明优选采用喷枪将所得芳纶-碳纳米管纤维浆料喷涂到滤纸上。本发明对所述干燥、碾压和剥离滤纸的方式没有特殊的限制,使用本领域技术人员熟知的方式即可,具体的可以使用真空干燥。本发明利用对位芳纶短切纤维和对位芳纶沉析纤维能够增强芳纶-碳纳米管纸的强度和韧性。
本发明提供了一种由上述技术方案所述制备方法制备得到的碳纳米管-芳纶远红外纸。在本发明中,所述碳纳米管-芳纶远红外纸的厚度优选为0.1~1mm。
本发明提供了一种碳纳米管远红外线理疗鞋鞋底内衬,包括电源、导线和碳纳米管-芳纶远红外纸,所述电源通过导线连接至碳纳米管-芳纶远红外纸的两端,所述碳纳米管-芳纶远红外纸为上述技术方案所述碳纳米管-芳纶远红外纸。在本发明中,所述电源优选为压电晶体、充电宝、太阳能电池或无线充电设备,更优选为压电晶体。本发明使用的压电晶体为非中心对称晶体,在人体行走和跑步的不断作用下,产生形变,使带电质点发生相对位移,从而在晶体表面出现正、负束缚电荷,形成电压。在本发明中,所述碳纳米管远红外线理疗鞋鞋底内衬中远红外纸的数量优选为1张。本发明优选将所述碳纳米管远红外线理疗鞋鞋底内衬嵌入鞋跟内部或者放置于鞋垫下面。
本发明提供的碳纳米管远红外线理疗鞋鞋底内衬的结构示意图见图1。图1中,1为电源;2为导线;3为碳纳米管-芳纶远红外纸。
下面结合实施例对本发明提供的碳纳米管-芳纶远红外纸及碳纳米管远红外线理疗鞋鞋底内衬进行详细的说明,但是不能把它们理解为对本发明保护范围的限定。
实施例1
将1.5g对位芳纶短切纤维在十二烷基苯磺酸钠水溶液中超声分散30min,用去离子水清洗干净,得到对位芳纶短切纤维的分散液;将2.5g对位芳纶沉析纤维在水溶液中超声分散30min,得到对位芳纶沉析纤维的分散液;将上述对位芳纶短切纤维的分散液和对位芳纶沉析纤维的分散液混合,并在槽式打浆机中打浆40min,控制打浆浓度为5%,得到芳纶纤维浆料;
将1.5g碳纳米管均匀地分散在乙醇溶剂中,得到碳纳米管的分散液,将所述碳纳米管的分散液和芳纶纤维浆料通过气流对撞机进行混合后,加入0.03g离子聚丙烯酰胺和0.03g羧甲基纤维素作为增强剂,得到碳纳米管-芳纶纤维浆料,随后将所得碳纳米管-芳纶纤维浆料通过喷枪均匀地喷涂到滤纸上,60℃真空干燥,碾压,剥离滤纸,得到碳纳米管-芳纶远红外纸。
将上述制得的碳纳米管-芳纶远红外纸按照图1所述结构用于碳纳米管远红外线理疗鞋鞋底内衬,采用的电源为压电晶体,碳纳米管-芳纶远红外纸的厚度为0.3mm。
实施例2
将2.0g对位芳纶短切纤维在十二烷基苯磺酸钠水溶液中超声分散30min,用去离子水清洗干净,得到对位芳纶短切纤维的分散液;将3g对位芳纶沉析纤维在水溶液中超声分散30min,得到对位芳纶沉析纤维的分散液;将上述对位芳纶短切纤维的分散液和对位芳纶沉析纤维的分散液混合,并在槽式打浆机中打浆40min,控制打浆浓度为6%,得到芳纶纤维浆料;
将2.0g碳纳米管均匀地分散在乙醇溶剂中,得到碳纳米管的分散液,将所得碳纳米管的分散液和芳纶纤维浆料通过气流对撞机进行混合后,加入0.03g离子聚丙烯酰胺和0.03g羧甲基纤维素作为增强剂,得到碳纳米管/芳纶纤维浆料,随后将所得碳纳米管-芳纶纤维浆料通过喷枪均匀地喷涂到滤纸上,60℃真空干燥,碾压,剥离滤纸,得到碳纳米管-芳纶远红外纸。
将上述制得的碳纳米管-芳纶远红外纸按照图1所述结构用于碳纳米管远红外线理疗鞋鞋底内衬,采用的电源为充电宝,碳纳米管-芳纶远红外纸的厚度为0.5mm。
对实施例1~2得到的碳纳米管远红外线理疗鞋鞋底内衬进行应用测试,结果表明,本发明提供的碳纳米管远红外线理疗鞋鞋底内衬能够发射远红外线,从而能够充分利用远红外线具有的保暖、活化组织细胞、防止老化、强化免疫系统的功能。本发明利用可调直流电源对芳纶红外纸进行测试,当所加电压为5V时,远红外纸的温度维持在40℃左右,具有良好的电热转换效率。
由以上实施例可知,本发明提供了一种碳纳米管-芳纶远红外纸及碳纳米管远红外线理疗鞋鞋底内衬,碳纳米管-芳纶远红外纸的制备工艺简单,将制备得到的碳纳米管-芳纶远红外纸用于理疗鞋鞋底内衬,得到的碳纳米管远红外线理疗鞋鞋底内衬结构简单,不仅能够发射远红外线,而且兼具理疗、保暖和提高免疫的功能。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (8)
1.一种碳纳米管-芳纶远红外纸的制备方法,包括以下步骤:
将对位芳纶短切纤维的分散液和对位芳纶沉析纤维的分散液混合,进行打浆,得到芳纶纤维浆料;
将所述芳纶纤维浆料与碳纳米管的分散液和增强剂混合,将所得芳纶-碳纳米管纤维浆料涂覆到滤纸上,依次经过干燥、碾压和剥离滤纸,得到碳纳米管-芳纶远红外纸;
所述对位芳纶短切纤维的长度为3~5mm,直径为8~12μm;所述对位芳纶沉析纤维的长度为0.2~1mm,宽度为0.2~1mm,厚度为3~5μm;
所述对位芳纶短切纤维和对位芳纶沉析纤维的质量比为2:3~5;
所述碳纳米管的质量与所述对位芳纶短切纤维和对位芳纶沉析纤维总质量的比为1:2~4。
2.根据权利要求1所述的制备方法,其特征在于,所述增强剂为阴离子聚丙烯酰胺和羧甲基纤维素。
3.根据权利要求2所述的制备方法,其特征在于,所述阴离子聚丙烯酰胺与羧甲基纤维素的质量比为0.5~2:1。
4.根据权利要求1、2或3所述的制备方法,其特征在于,所述增强剂的质量与所述对位芳纶短切纤维和对位芳纶沉析纤维总质量的比为0.03~0.08:1。
5.权利要求1~4任一项所述制备方法制备得到的碳纳米管-芳纶远红外纸。
6.根据权利要求5所述的碳纳米管-芳纶远红外纸,其特征在于,所述碳纳米管-芳纶远红外纸的厚度为0.1~1mm。
7.一种碳纳米管远红外线理疗鞋鞋底内衬,包括电源、导线和碳纳米管-芳纶远红外纸,所述电源通过导线连接至碳纳米管-芳纶远红外纸的两端,所述碳纳米管-芳纶远红外纸为权利要求5或6所述碳纳米管-芳纶远红外纸。
8.根据权利要求7所述的碳纳米管远红外线理疗鞋鞋底内衬,其特征在于,所述电源为压电晶体、充电宝、太阳能电池或无线充电设备。
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