P84/ZCC Hollow Fiber Mixed Matrix Membrane with PDMS Coating to Enhance Air Separation Performance

This research introduces zeolite carbon composite (ZCC) as a new filler on polymeric membranes based on the BTDA-TDI/MDI (P84) co-polyimide for the air separation process. The separation performance was further improved by a polydimethylsiloxane (PDMS) coating to cover up the surface defect. The inc...

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Detalles Bibliográficos
Autores principales: Widiastuti, Nurul, Gunawan, Triyanda, Fansuri, Hamzah, Salleh, Wan Norharyati Wan, Ismail, Ahmad Fauzi, Sazali, Norazlianie
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7599519/
https://www.ncbi.nlm.nih.gov/pubmed/32998417
http://dx.doi.org/10.3390/membranes10100267
Descripción
Sumario:This research introduces zeolite carbon composite (ZCC) as a new filler on polymeric membranes based on the BTDA-TDI/MDI (P84) co-polyimide for the air separation process. The separation performance was further improved by a polydimethylsiloxane (PDMS) coating to cover up the surface defect. The incorporation of 1 wt% ZCC into P84 co-polyimide matrix enhanced the O(2) permeability from 7.12 to 18.90 Barrer (2.65 times) and the O(2)/N(2) selectivity from 4.11 to 4.92 Barrer (19.71% improvement). The PDMS coating on the membrane further improved the O(2)/N(2) selectivity by up to 60%. The results showed that the incorporation of ZCC and PDMS coating onto the P84 co-polyimide membrane was able to increase the overall air separation performance.

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