Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 이영무 | - |
dc.date.accessioned | 2017-08-23T01:08:23Z | - |
dc.date.available | 2017-08-23T01:08:23Z | - |
dc.date.issued | 2015-11 | - |
dc.identifier.citation | RSC ADVANCES, v. 5, NO 124, Page. 102261-102276 | en_US |
dc.identifier.issn | 2046-2069 | - |
dc.identifier.uri | http://pubs.rsc.org/en/Content/ArticleLanding/2015/RA/C5RA19207B#!divAbstract | - |
dc.identifier.uri | http://hdl.handle.net/20.500.11754/28716 | - |
dc.description.abstract | ortho-Methoxypolyimides were prepared from 3,3'-dimethoxybenzidine (DMAB) and hexafluoroiso-propylidene diphthalic anhydride (6FDA). High molecular weights of the resulting polymers were achieved, and the physical properties of the materials were investigated. The polyimides exhibited excellent thermal properties and film-forming capabilities. Polyimides were treated at high temperatures to promote thermal rearrangement (TR) processes. The final composition of the TR polymers seems not to correspond to TR-polybenzoxazoles, as was the case when analogous ortho-hydroxypolyimides were exposed to similar thermal treatments. A detailed study was carried out to elucidate the actual mechanism of the thermal rearrangement, comparing ortho-hydroxypolyimides, ortho-acetylpolyimides and ortho-methoxypolyimides. Results led to the conclusion that the chemical nature of the final TR polymers attained from ortho-methoxypolyimides is complex since imide, lactam and benzoxazole groups all seem to be present after thermal treatment. Gas permeation properties exhibited by thermally treated ortho-methoxypolyimides compared well with those of other TR-PBOs, showing CO2 permeability of 540 Barrers. | en_US |
dc.description.sponsorship | We acknowledge the financial support provided, by MINECO (MAT2011-25513, MAT2010-20668, MAT2013-45071-R and CTQ2012-31076). This research was also supported by the Korea Carbon Capture & Sequestration R&D Center (KCRC) through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT, and Future Planning (NRF-2014M1A8A1049305). We are also indebted to the Spanish Junta de Castilla y Leon for its funding help (project VA248U13). Authors kindly acknowledge Sara Rodriguez for carrying out the gas permeation tests. B.C-G is indebted to MINECO by a FPI scholarship. | en_US |
dc.language.iso | en | en_US |
dc.publisher | ROYAL SOC CHEMISTRY | en_US |
dc.subject | HEXAFLUOROPROPANE DIANHYDRIDE 6FDA | en_US |
dc.subject | TRANSPORT PROPERTIES | en_US |
dc.subject | POLY(BENZOXAZOLE-CO-IMIDE) MEMBRANES | en_US |
dc.subject | TR POLYMERS | en_US |
dc.subject | NATURAL-GAS | en_US |
dc.subject | 3,3'-DIHYDROXY-4,4'-DIAMINO-BIPHENYL HAB | en_US |
dc.subject | OPERATING-CONDITIONS | en_US |
dc.subject | AROMATIC POLYIMIDES | en_US |
dc.subject | POLYBENZOXAZOLES | en_US |
dc.subject | PERMEABILITY | en_US |
dc.title | Gas separation membranes made through thermal rearrangement of ortho-methoxypolyimides | en_US |
dc.type | Article | en_US |
dc.relation.no | 124 | - |
dc.relation.volume | 5 | - |
dc.identifier.doi | 10.1039/c5ra19207b | - |
dc.relation.page | 102261-102276 | - |
dc.relation.journal | RSC ADVANCES | - |
dc.contributor.googleauthor | Comesana-Gandara, Bibiana | - |
dc.contributor.googleauthor | de la Campa, Jose G. | - |
dc.contributor.googleauthor | Hernandez, Antonio | - |
dc.contributor.googleauthor | Jo, Hye Jin | - |
dc.contributor.googleauthor | Lee, Young Moo | - |
dc.contributor.googleauthor | de Abajo, Javier | - |
dc.contributor.googleauthor | Lozano, Angel E. | - |
dc.relation.code | 2015011569 | - |
dc.sector.campus | S | - |
dc.sector.daehak | COLLEGE OF ENGINEERING[S] | - |
dc.sector.department | DEPARTMENT OF ENERGY ENGINEERING | - |
dc.identifier.pid | ymlee | - |
dc.identifier.researcherID | G-5920-2015 | - |
dc.identifier.orcid | http://orcid.org/0000-0002-5047-3143 | - |
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