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原位生成纳米粒子技术在涂布纸涂料中的应用

Application of In-situ Producing Nano-sio₂ Technique in Paper Coating

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【Author】 Pan Qingshan1, Zhang Ping2 , Chen Jianwen2, Wang Xiayu1 1 Polymer Material Science and Engineering Institute of Xiangtan University, Xiangtan 411105, China; 2 Institute of Fundamental Mechanics & Material Engineering, Xiangtan University, Xiangtan 411105 ,China 3 Hunan Paper Research Institute, Xiangtan 411104,China

【机构】湘潭大学化学学院；湘潭大学基础力学与材料工程研究所；湖南省造纸研究所有限公司；湘潭大学化学学院 (411105)； (411105)； (411104)；

【摘要】根据涂布纸涂料的性能要求,结合纳米粒子的特殊性质,采用溶胶-凝胶法制备二氧化硅胶体溶液并添加到涂料中,在涂料中原位生成纳米二氧化硅粒子,研究了它们在涂料中的分散性和涂料混合物的性能,以及涂布纸纸样各项指标,实验结果表明:涂料在添加纳米二氧化硅粒子后,改善了涂料的流变性;涂布纸的表面强度、平滑度得到了较好改善;有效地降低了纸张的返黄速度。更多还原

【Abstract】 According to the special property of nano-sio2 material, nano-sio2 which was prepared via sol-gel process using TEOS as the precursor used in coatings is studied in the experiment. The results indicate that the application of nano-sio2 can improve the coating rheologic property and improve the coating paper properties greatly; the application of nano-sio2 can provide paper better smoothness, surface strength, and the rate of accelerated aging is decrease?更多还原