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题名: Effect of Different Drying Methods on PPESK Carbon Membrane
作者: Pang Jing1;  Wang Tong-Hua1;  Li Lin1;  Qi Wen-Bo1;  Cao Yi-Ming2
关键词: poly(phthalazinone ether sulfone ketone) ;  carbon membrane ;  drying methods ;  gas separation
刊名: JOURNAL OF INORGANIC MATERIALS
发表日期: 2011-02-01
DOI: 10.3724/SP.J.1077.2011.00165
卷: 26, 期:2, 页:165-169
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Ceramics
研究领域[WOS]: Materials Science
英文摘要: The carbon membranes derived from the PPESK precursor in CHCl3 solvent for gas separation were prepared with freezing and refrigeration drying methods. The influences of drying methods on the structure and gas separation performance of PPESK carbon membranes were investigated. FTIR, TG, XRD and gas permeation tests were used to characterize the change of chemical and carbon structure and gas separation properties of carbon membranes prepared with different drying methods. The result indicated that the effects of drying methods on the structure and performance of PPESK carbon membranes are to promote the precursor to form a polymeric membrane with the different chemical structure during the drying and make the chemical structure of derived polymeric membranes change in different ways during the later preoxidation and carbonization. Compared with refrigeration drying, the freezing drying weakened decomposition reaction and promoted condensation reaction during-preoxidation and carbonization. As a result, the frozen membrane exhibited a better gas separation performance with a good flexility due to its dense microstructure. The freezing drying was the optimum way to prepare PPESK carbon membranes using CHCl3 as solvent.
关键词[WOS]: ETHER SULFONE KETONE) ;  GAS SEPARATION
语种: 英语
WOS记录号: WOS:000287989300011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142593
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Carbon Mat Res Lab, State Key Lab Fine Chem, Coll Chem Engn, Dalian 116012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Pang Jing,Wang Tong-Hua,Li Lin,et al. Effect of Different Drying Methods on PPESK Carbon Membrane[J]. JOURNAL OF INORGANIC MATERIALS,2011,26(2):165-169.
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