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| 纳米TiO_2/壳聚糖复合膜的制备与性能研究 | |
| 引用本文： | 陶希芹,王明力,司方. 纳米TiO_2/壳聚糖复合膜的制备与性能研究[J]. 贵州工业大学学报(自然科学版), 2008, 37(4) |
| 作者姓名： | 陶希芹 王明力 司方 |
| 作者单位： | 1. 贵州省发酵工程与生物制药重点实验室,贵州,贵阳,550003;贵州大学化学工程学院,贵州,贵阳,550003 2. 贵州省发酵工程与生物制药重点实验室,贵州,贵阳,550003 3. 贵州大学化学工程学院,贵州,贵阳,550003 |
| 基金项目： | 贵州省优秀科技教育人才省长基金(200619).贵州省农业科技攻关资助项目 |
| 摘 要： | 纳米TiO2经表面改性剂月桂酸钠改性后,用溶液共混法制备了壳聚糖-TiO2复合膜,用FTIR和TEM表征了其结构与形态,并在粘度、厚度、水蒸气透过率、透光率及其与农药混和后在农作物上的应用等方面进行了研究.实验结果表明,复合膜中,壳聚糖与TiO:微粒间存,在较强的氢键作用,从而使TiO2和壳聚糖之间有较好的界面作用,壳聚糖的力学性能得到提高,水蒸气透过率下降,透光率得到提高;同时,复合膜与农药混和后,利用复合膜良好的成膜性及力学性能,使复合膜农药的药效长效性比单纯农药显著提高. |
| 关 键 词： | 纳米TiO2 壳聚糖 复合膜农药 |
Preparation and Properties Research of Nano-TiO_2/ Chitosan Composite Films |
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| TAO Xi-qin,WANG Ming-li,SI Fang. Preparation and Properties Research of Nano-TiO_2/ Chitosan Composite Films[J]. Journal of Guizhou University of Technology(Natural Science Edition), 2008, 37(4) | |
| Authors: | TAO Xi-qin WANG Ming-li SI Fang |
| Affiliation: | TAO Xi-qin1,2,WANG Ming-li1,SI Fang2(1.Guizhou Province Key Laboratory of Fermentation Engineering , Biopharmacy,Guiyang,550003,China,2.College of Chemical Engineering,Gui zhou University,Guiyang 550003,China) |
| Abstract: | Nano-TiO2 was modified by surfactant lauric acid sodium and obtained chitosan-TiO2 using solution cast technique.The configuration of membrane was ascertained by FTIR and TEM.And the properties was researched by measuring the viscosity,thickness,percent water absorption,optical transmittance,mechanical properties and its application when blended with pesticide.It was found that there was hydrogen bonding interactions between chitosan and nano-TiO2.The mechanical properties was enhanced,percent water absorpt... |
| Keywords: | Nano-TiO2 compound membrane properties |
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