摘要
磁性纸是一种具有信息存储量大、隐蔽性强、抗菌杀菌等功能特性的纸张,已被广泛应用于磁性防伪、磁疗器械、农业保鲜等领域.先通过氧化石墨烯对无机磁性微粒进行表面改性,再利用细胞填充法将其与阔叶木浆抄造制备磁性纸张.通过超导量子干涉仪(SQUID)、傅里叶红外光谱仪(FT-IR)、扫描电子显微镜(SEM)等对样品的磁性能、力学性能及显微结构进行表征.结果表明:当氧化石墨烯溶液的浓度为1.5mg/mL时,所抄造的纸张抗张指数、撕裂指数有明显的提高,此时纸张的白度为67.7%.分析表明,氧化石墨烯通过与磁性微粒表面的偶联剂以及植物纤维表面羟基形成氢键,增强了相互间的结合力和纸张的力学性能.
Magnetic paper is widely used in magnetic anti‐counterfeiting ,agricultural retaining freshness and magnetic therapy apparatus forits outstanding performances such as large in‐formation storage ,good concealment ,antibacterial and sterilization .In this paper magnetic paper has been successfully produced by adding inorganic magnetic particles modified by gra‐phene oxide .The samples were characterized by Superconducting Quantum Interferometer Device （SQUID） ,Fourier Transform Infrared Spectroscopy （FT‐IR） and Scanning Electron Microscope （SEM ） .The results shown that when the concentration of graphene oxide reached 1 .5 mg/mL ,tensile and tearing index of paper had an obvious improvement and the whiteness of paper was 67 .7% .Hydrogen bond were formed by the interaction among gra‐phene oxide and coupling agent ,hydroxyl of plant fiber .Thereby the mechanical properties of paper was improved .
出处
《陕西科技大学学报（自然科学版）》
2015年第6期48-52,共5页
Journal of Shaanxi University of Science & Technology
基金
国家自然科学基金项目(51472151)
陕西省科技厅自然科学基础研究计划项目(2015JM5162)
关键词
功能纸
氧化石墨烯
表面处理
functional paper
grapheneoxide
surface treatment
