| 超临界CO2作非溶剂制备聚乳酸膜的研究 |
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| 引用本文： | 彭琦,袁宵梅.超临界CO2作非溶剂制备聚乳酸膜的研究[J].洛阳工业高等专科学校学报,2010,20(1). |
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| 作者姓名： | 彭琦 袁宵梅 |
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| 作者单位： | 洛阳理工学院材料科学与工程系,河南,洛阳,471023 |
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| 摘 要： | 利用超临界CO2作非溶剂可以制备聚乳酸膜。通过扫描电镜研究了不同成膜条件下膜断面形态的变化,超临界CO2的作用促使膜结晶度提高,得到胞腔状开孔结构膜。
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| 关 键 词： | 超临界CO2 聚乳酸膜 结构形态 |
Preparation of Polylactic Acid Membrane with Supercritical CO2 as Nonsolvent |
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| PENG Qi,YUAN Xiao-mei.Preparation of Polylactic Acid Membrane with Supercritical CO2 as Nonsolvent[J].Journal of Luoyang Technology College,2010,20(1). |
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| Authors: | PENG Qi YUAN Xiao-mei |
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| Institution: | Luoyang Institute of Science and Technology/a>;Luoyang 471023/a>;China |
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| Abstract: | Polylactic acid membrane can be prepared with Supercritical CO2 as the nonsolvent.Through scanning electron microscope,the changes of membrane section morphology under different membrane conditions have been studied.Results indicate that supercritical CO2 promotes the depressurization rates to get the cell-like pore-structure membrane. |
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| Keywords: | supercritical CO2 polylactic acid membrane morphology |
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