IR spectroscopic and thermogravimetric study of state of water in MGA-95 cellulose acetate membrane

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• 作者：S. I. Lazarev ; Yu. M. Golovin ; D. S. Lazarev ; V. M. Polikarpov
• 关键词：membrane ; IR spectra ; thermogravimetric method ; liquid crystal phase ; amorphous phase
• 刊名：Petroleum Chemistry
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：55
• 期：10
• 页码：791-794
• 全文大小：247 KB
• 参考文献：1.M. Mulder, Basic Principles of Membrane Technology, (Kluwer Academic, Dordrecht, 2000), 2nd Ed.
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  9.Yu. M. Golovin, I. P. Mitsul, D. O. Nikitenkov, et al., Sorb. Khromatogr. Protsessy 14, 530 (2014).
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  11.S. I. Lazarev, Extended Abstract of Doctoral Dissertation in Engineering (Tambov, 2001) [in Russian].
  
• 作者单位：S. I. Lazarev (1)
  Yu. M. Golovin (1)
  D. S. Lazarev (1)
  V. M. Polikarpov (1)
  
  1. Tambov State Technical University, ul. Sovetskaya 106, Tambov, 392000, Russia
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Industrial Chemistry and Chemical Engineering
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1555-6239

文摘

The state of water in the MGA-95 composite cellulose acetate membrane has been investigated using the techniques of IR spectroscopy and thermogravimetry. It has been concluded that water, acting a plasticizer, structures macromolecules of the amorphous phase of the cellulose acetate membrane and promotes its transition to a liquid crystal phase forming additional capillary spaces. Keywords membrane IR spectra thermogravimetric method liquid crystal phase amorphous phase