石墨烯/聚砜酰胺复合薄膜的结构与性能

喻佳丽; 辛斌杰

doi:10.13801/j.cnki.fhclxb.20160111.001

石墨烯/聚砜酰胺复合薄膜的结构与性能

上海工程技术大学服装学院, 上海 201620

基金项目: 上海工程技术大学研究生科研创新项目（E1-0903-14-01159）

详细信息

通讯作者:
辛斌杰,博士,副教授,硕士生导师,研究方向为数字化纺织技术及功能性纺织品开发。E-mail:xinbj@sues.edu.cn

中图分类号: TS102.6
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出版历程
- 收稿日期: 2015-07-28
- 修回日期: 2015-12-15
- 刊出日期: 2016-08-14

Structures and properties of graphene/polysulfone amide composite membranes

College of Fashion, Shanghai University of Engineering Science, Shanghai 201620, China

摘要

摘要: 采用旋涂法将石墨烯和聚砜酰胺（PSA）制成不同石墨烯质量分数的石墨烯/PSA复合薄膜，利用光学显微镜、傅里叶变换红外光谱、表面电阻测试、热失重分析和紫外光谱表征和分析石墨烯/PSA复合薄膜的化学组成、大分子结构、热性能、导电性能、力学性能和抗紫外性能。结果表明：少量的石墨烯可均匀分散于PSA基体中，其加入基本没有改变PSA的化学结构；石墨烯二维纳米材料可作为异相成核剂，有助于提高复合薄膜的结晶度，其加入使复合薄膜的力学性能和热性能也有所提高；当石墨烯质量分数为0.1%时，石墨烯/PSA复合薄膜的表面比电阻由纯PSA薄膜的3.10×10¹² Ω迅速降至1.40×10⁶ Ω，随着石墨烯质量分数的增大，石墨烯/PSA复合薄膜的导电性能随之提高。石墨烯对加强复合薄膜对紫外光的吸收和散射、提高其抗紫外线性能有重要作用。
- 石墨烯 /
- 聚砜酰胺 /
- 复合薄膜 /
- 热性能 /
- 导电性能
Abstract: Graphene/polysulfone amide (PSA) composite films with different mass fractions of graphene were prepared by spin-coating technique. The chemical composition, macromolecular structure, thermal property, electrical properties, mechanical properties and ultraviolet resistance were characterized and analyzed by means of optical microscopy, Fourier transform infrared spectrometer, surface resistance testing, thermal gravimetric analysis and ultraviolet spectrum. The results show that small amount of graphene can be evenly dispersed in PSA substrate, and the introducing of graphene does not change the chemical structure of PSA. The crystallinity of the composite membranes can be improved because the graphene 2D nano material can act as a nucleation agent. The mechanical properties and thermal properties of composite membranes can be improved correspondingly. When the mass fraction of graphene is 0.1%, the surface specific resistance of graphene/PSA composite membranes decreases to 1.40×10⁶ Ω quickly, while that of pure PSA membrane is 3.10×10¹² Ω. As the mass fraction of graphene increases, the electrical properties of graphene/PSA composite membranes improves correspondingly. Graphene plays an important role in strengthening the absorption and scattering of ultraviolet light and improving ultraviolet resistance.
- graphene /
- polysulfone amide /
- composite membranes /
- thermal property /
- electrical properties

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