Gas - transport - property performance of hybrid carbon molecular sieve − polymer materials / Mita Das in Industrial & engineering chemistry research, Vol. 49 N° 19 (Octobre 2010)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 49 N° 19 (Octobre 2010) . - pp. 9310–9321 Titre : Gas - transport - property performance of hybrid carbon molecular sieve − polymer materials Type de document : texte imprimé Auteurs : Mita Das, Auteur ; John D. Perry, Auteur ; William J. Koros, Auteur Année de publication : 2010 Article en page(s) : pp. 9310–9321 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Gas Hybrid Polymer Résumé : High-performance hybrid materials using carbon molecular sieve materials and 6FDA−6FpDA were produced. A detailed analysis of the effects of casting processes and the annealing temperature is reported. Two existing major obstacles, sieve agglomeration and residual stress, were addressed in this work, and subsequently a new membrane formation technique was developed to produce high-performing membranes. The successfully improved interfacial region of the hybrid membranes allows the sieves to increase the selectivity of the membranes above the neat polymer properties. Furthermore, an additional performance enhancement was seen with increased sieve loading in the hybrid membranes, leading to an actual performance above the upper bound for pure polymer membranes. The membranes were also tested under a mixed-gas environment, which further demonstrated promising results. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100843r [article] Gas - transport - property performance of hybrid carbon molecular sieve − polymer materials [texte imprimé] / Mita Das, Auteur ; John D. Perry, Auteur ; William J. Koros, Auteur . - 2010 . - pp. 9310–9321. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 19 (Octobre 2010) . - pp. 9310–9321 Mots-clés : Gas Hybrid Polymer Résumé : High-performance hybrid materials using carbon molecular sieve materials and 6FDA−6FpDA were produced. A detailed analysis of the effects of casting processes and the annealing temperature is reported. Two existing major obstacles, sieve agglomeration and residual stress, were addressed in this work, and subsequently a new membrane formation technique was developed to produce high-performing membranes. The successfully improved interfacial region of the hybrid membranes allows the sieves to increase the selectivity of the membranes above the neat polymer properties. Furthermore, an additional performance enhancement was seen with increased sieve loading in the hybrid membranes, leading to an actual performance above the upper bound for pure polymer membranes. The membranes were also tested under a mixed-gas environment, which further demonstrated promising results. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100843r

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