2026-04-28T01:56:58Zhttps://uvadoc.uva.es/oai/request

oai:uvadoc.uva.es:10324/728742025-03-26T19:10:02Zcom_10324_1157com_10324_931com_10324_894col_10324_1298

Marcos-Fernandez, Angel Adem, Esbaide Rubio-Fernández, Alejandra Báez, José E. Palacio Martínez, Laura Prádanos del Pico, Pedro Lourdes Tena Matias, Alberto Hernández Giménez, Antonio 2024-12-19T10:04:57Z 2024-12-19T10:04:57Z 2017 Macromol. Chem. Phys. 2017, 218, 1600441 https://uvadoc.uva.es/handle/10324/72874 10.1002/macp.201600441 Producción Científica Polyethylene oxide (PEO)-based polymers containing long PEO chains are one of the best materials for postcombustion processes, attending to their separation properties. Optimal conditions for the application of the membrane separation module are immediately after elimination of water vapor, NO x , SO2, and dust particles, where the temperature of the gas is between 25 and 40 °C. Materials with high contents and longer length of PEO are the ideal candidates for the application in terms of properties. Unfortunately, these materials are normally not applicable due to, at these temperatures, the high crystallinity of PEO chains, which leads to poor gas separation properties. Here, by electron beam irradiation, it has been possible to eliminate or substantially reduce the crystallinity of poly(ether-imide)s with high PEO content, which is confirmed by the positive effect in the separation properties. Optimal dosage to eliminate the crystallinity and to maximize permeability has been investigated. DGAPA-PAPIIT-UNAM grant IN-103516 in México Ministry of Science and Innovation grant MAT2014-52644-R in Spain Spanish Junta de Castilla y León for the grant VA-248U13 application/pdf eng Wiley info:eu-repo/semantics/openAccess Elimination of the Crystallinity of Long Polyethylene Oxide-Based Copolymers for Gas Separation Membranes by Using Electron Beam Irradiation info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion SI