石墨烯基锆钛复合材料改性棉织物的制备及其远红外发射性能

doi:10.13475/j.fzxb.20180906408

摘要/Abstract

摘要：

为进一步提高石墨烯基纳米复合材料的远红外发射特性,通过一步水热法利用锆钛氧化物对氧化石墨烯进行纳米复合改性,制备了二氧化锆/二氧化钛/还原型氧化石墨烯(ZrO₂/TiO₂-rGO)纳米复合材料。以水溶性聚氨酯为黏合助剂将ZrO₂/TiO₂-rGO与纺织品相结合,制备出具有远红外发射性能的棉织物。借助扫描电子显微镜和傅里叶红外分析光谱对制备的ZrO₂/TiO₂-rGO复合材料表观形态和内部结构进行表征;通过远红外发射率和红外热成像技术表征了改性棉织物的远红外发射性能。结果表明:在温度为120 ℃,时间为4 h,氧化石墨烯、二氧化钛、氧氯化锆质量比为5∶3∶2的合成条件下整理棉织物时,其远红外发射率较未整理棉织物高出约2.5%;这种方法可有效减少石墨烯含量,且远红外发射性能优良。

关键词: 棉织物功能整理, 水热法, 氧化石墨烯, 锆钛氧化物, 复合材料, 水溶性聚氨酯, 远红外发射率

Abstract:

In order to further improve the far-infrared emission characteristics of graphene-based nanocomposites, zirconia/titania/reduced graphene oxide (ZrO₂/TiO₂-rGO) nanocomposites were prepared by one-step hydrothermal modification of graphene oxide with zirconia/titanium oxide. Cotton fabrics with far-infrared emissivity were prepared by combining ZrO₂/TiO₂-rGO with the textiles using water-soluble polyurethane as binder. The morphology and internal structure of ZrO₂/TiO₂-rGO composites were characterized by scanning electron microscopy and Fourier transform infrared spectroscopy, and the far infrared emission properties of modified cotton fabrics were characterized by far infrared emissivity and infrared thermal imaging technology. The results show that at 120 ℃ for 4 reaction hours, the far-infrared emissivity of the treated cotton fabric was about 2.5% higher than that of the untreated cotton fabric when the mass ratio of graphene oxide,titanium dioxide,zirconium oxychloride was 5∶3∶2. This method could effectively reduce the content of graphene and provide good far-infrared emission performance with low cost.

Key words: functional finishing of cotton fabric, hydrothermal, graphene oxide, zirconium/titaniumoxide, composite, water soluble polyurethane, far infrared emission rate

中图分类号:

TQ421.2

易领, 张何, 傅昕, 李雯. 石墨烯基锆钛复合材料改性棉织物的制备及其远红外发射性能[J]. 纺织学报, 2020, 41(01): 102-109.

YI Ling, ZHANG He, FU Xin, LI Wen. Preparation and far-infrared emission performance of graphene based zirconium/titanium composites modified cotton fabrics[J]. Journal of Textile Research, 2020, 41(01): 102-109.

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样品	有效成分	有效成分用量/%	远红外发射率/%
丙纶远红外纤维	电气石母粒	8	82
聚酯远红外纤维	TiO₂-SiO₂-Cr₂O₃	3	85
棉远红外织物	陶瓷粉	6	86
涤纶/丙纶/锦纶远红外织物	Fe₂O₃、BeO、SrO、SiO₂、CaO、MnO₂	8	87
后整理远红外织物	六环石	5	85

样品	远红外发射率/%
样品	未水洗	水洗10次	水洗20次
未处理织物	86.8	86.5	86.5
水性聚氨酯整理织物	86.3	86.4	86.4
ZrO₂整理织物	87.7	87.1	86.2
TiO₂整理织物	87.2	87.0	86.3
复合材料改性织物(4:3:3)	87.6	87.8	87.5
复合材料改性织物(5:3:2)	89.3	89.5	89.2
复合材料改性织物(6:2:2)	89.0	88.9	88.9
复合材料改性织物(7:2:1)	88.5	88.6	88.3
复合材料改性织物(8:1:1)	88.0	88.2	88.0
GO整理织物	88.2	88.1	88.1