纳米TiO2改性丝素膜中的纳米颗粒粒径分析

纺织学报 ›› 2013, Vol. 34 ›› Issue (11): 24-0.

纳米TiO2改性丝素膜中的纳米颗粒粒径分析

贾长兰

山东丝绸纺织职业学院

收稿日期:2012-10-15 修回日期:2013-05-03 出版日期:2013-11-15 发布日期:2013-11-07
通讯作者: 贾长兰 E-mail:jiacl6538@163.com

Analysis of nano-particle size in fibroin membrane modified by nano TiO₂

Received:2012-10-15 Revised:2013-05-03 Online:2013-11-15 Published:2013-11-07

摘要/Abstract

摘要： 为了进一步改善丝素蛋白膜的结构性能，尝试用溶胶凝胶法制备纳米TiO2改性丝素复合膜。测得用溶胶--凝胶法在丝素溶液中直接生成的纳米粒子粒径在76 nm左右，用AFM、有效质量近似模型估算出纳米改性再生丝素膜中纳米粒子粒径在80 nm左右; 当TiO2含量小于1.2 %时，生成的纳米粒子的尺寸小于100 nm；纳米粒子尺寸随着溶液pH的增加而增大。研究表明用溶胶-凝胶法制备纳米再生丝素膜方法可行，成膜前后纳米粒子没有发生团聚，都处于纳米级别。

关键词: 纳米TiO₂ , 改性丝素蛋白膜, 溶胶凝胶法, 纳米颗粒粒径

Abstract: In order to further improve the structure of silk fibroin films, sol-gel synthesis of TiO2 nanoparticles in different proportions of modified silk fibroin composite membrane. Measured by means of sol-gel-silk fibroin solution directly generated by Nano-particle size at around 76 nm, AFM、he effective mass approximation model estimation of nano-modification of regenerated silk fibroin membranes in the Nano-particle size of about 80 nm.； This study shows that using sol-gel preparation of regenerated silk fibroin membrane method possible, film-forming nano-particles did not occur before and after reunification, are at the nano level.

Key words: nano-TiO2, modified silk fibroin membrane, sol-gel method, nano-particle size

中图分类号:

TS195.5

贾长兰. 纳米TiO2改性丝素膜中的纳米颗粒粒径分析[J]. 纺织学报, 2013, 34(11): 24-0.

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