Letteratura scientifica selezionata sul tema "Polyimide P84"
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Articoli di riviste sul tema "Polyimide P84":
Widiastuti, Nurul, Triyanda Gunawan, Hamzah Fansuri, Wan Norharyati Wan Salleh, Ahmad Fauzi Ismail e Norazlianie Sazali. "P84/ZCC Hollow Fiber Mixed Matrix Membrane with PDMS Coating to Enhance Air Separation Performance". Membranes 10, n. 10 (28 settembre 2020): 267. http://dx.doi.org/10.3390/membranes10100267.
Gunawan, Triyanda, Taufik Qodar Romadiansyah, Rika Wijiyanti, Wan Norharyati Wan Salleh e Nurul Widiastuti. "Zeolite templated carbon: Preparation, characterization and performance as filler material in co-polyimide membranes for CO2/CH4 separation". Malaysian Journal of Fundamental and Applied Sciences 15, n. 3 (25 giugno 2019): 407–13. http://dx.doi.org/10.11113/mjfas.v15n3.1461.
Gunawan, Triyanda, Retno Puji Rahayu, Rika Wijiyanti, Wan Norharyati Wan Salleh e Nurul Widiastuti. "P84/Zeolite-Carbon Composite Mixed Matrix Membrane for CO2/CH4 Separation". Indonesian Journal of Chemistry 19, n. 3 (29 maggio 2019): 650. http://dx.doi.org/10.22146/ijc.35727.
Sánchez-Laínez, Javier, Inés Gracia-Guillén, Beatriz Zornoza, Carlos Téllez e Joaquín Coronas. "Thin supported MOF based mixed matrix membranes of Pebax® 1657 for biogas upgrade". New Journal of Chemistry 43, n. 1 (2019): 312–19. http://dx.doi.org/10.1039/c8nj04769c.
Han, Runlin, Kui Wu e Lingfeng Xu. "Facile Preparation of Loose P84 Copolyimide/GO Composite Membrane with Excellent Selectivity and Solvent Resistance". Polymers 14, n. 7 (27 marzo 2022): 1353. http://dx.doi.org/10.3390/polym14071353.
Yusoff, Izzati Izni, Rosiah Rohani, Nadiah Khairul Zaman, Mohd Usman Mohd Junaidi, Abdul Wahab Mohammad e Zamardina Zainal. "Durable pressure filtration membranes based on polyaniline-polyimide P84 blends". Polymer Engineering & Science 59, S1 (27 aprile 2018): E82—E92. http://dx.doi.org/10.1002/pen.24862.
Qiao, Xiangyi, e Tai-Shung Chung. "Diamine modification of P84 polyimide membranes for pervaporation dehydration of isopropanol". AIChE Journal 52, n. 10 (2006): 3462–72. http://dx.doi.org/10.1002/aic.10964.
Sazali, Norazlianie, Wan Norharyati Wan Salleh, Nor Hafiza Ismail, Ahmad Fauzi Ismail, Murakami Hideyuki e Yuji Iwamoto. "The influence of coating-carbonization cycles toward P84 co-polyimide/nanocrystalline cellulose". Comptes Rendus Chimie 22, n. 11-12 (novembre 2019): 779–85. http://dx.doi.org/10.1016/j.crci.2019.09.006.
Etxeberria-Benavides, Miren, Oguz Karvan, Freek Kapteijn, Jorge Gascon e Oana David. "Fabrication of Defect-Free P84® Polyimide Hollow Fiber for Gas Separation: Pathway to Formation of Optimized Structure". Membranes 10, n. 1 (25 dicembre 2019): 4. http://dx.doi.org/10.3390/membranes10010004.
Han, Runlin, Xiaobing Liu, Min Chen, Xufeng Ma, Yuhang Zhang e Yan Sui. "Facile preparation of P84® polyimide affinity membrane with high adsorption of bilirubin". DESALINATION AND WATER TREATMENT 204 (2020): 82–92. http://dx.doi.org/10.5004/dwt.2020.26253.
Tesi sul tema "Polyimide P84":
Mohd, Shafie Zulfida Mohamad Hafis. "Élaboration de membranes composites à fibres creuses à base de poly-4-méthyl-1-pentène et polydiméthylsiloxane comme couche intermédiaire revêtues d’une couche sélective de polyimide P84 pour la séparation de N₂/CO₂ et CO₂/CH₄". Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0212.
Composite membrane structures are inevitable for the next step of mixed matrix membrane development as the commonly used asymmetric membrane design would mean majority of the fillers to be wasted in the bulk porous substrate layer. In this research, the possibility of using poly(4-methyl-1-pentene) (PMP) as substrate – gutter layer in composite membrane was compared with commonly used polydimethylsiloxane (PDMS) as gutter layer, supported on lithium chloride (LiCl) modified polyethersulfone (PES) porous substrate of varying surface pore architectures. Composite PES/PDMS was able to obtain permeance as high as 26.6 ± 2.6 GPU for N2 and 354.4 ± 27.9 GPU for CO2 at about 1 µm minimum coating thickness. Nevertheless, this value is lower than asymmetric dense skin PMP membrane at 84.6 ± 6.2 GPU for N2 and 607.3 ± 31.3 GPU for CO2. Despite that PDMS has intrinsic permeability far higher than PMP, PES/PDMS composite suffers from solution intrusion & geometric restriction problem at its dense – substrate interface, which reduces its permeance efficiency as low as only 4% of its supposedly ideal permeance, at low coating thickness. It is further elucidated that substrate surface uniformity also significantly affects the resulting composite permeance. In comparison, asymmetric PMP with thin dense surface layer was noted to be advantageous as the substrate – gutter layer as it mitigates the interfacial problem noted earlier for composite membranes while still being highly permeable to minimize resistance. Hence, N2/CO2/CH4 gases were chosen as the model permeants for further composite fabrication with P84 polyimide (PI) as selective layer. Nevertheless, low surface energy of PMP limit its compatibility to form a composite layer. However, it was noted that PMP is compatible to form a bilayer through dip coating with P84 PI, without the need for pre-treatment. Hence, P84 PI of various concentration was dip coated at 5 mm/s onto PMP-based dense skin hollow fiber membrane and tested for gas permeation performance. Results showed that ideal selectivity as high as 42.36 ± 19.08 for CO2/CH4 and 18.55 ± 6.06 for CO2/N2 was achieved at 14 wt.% P84 PI coating. Nevertheless, despite of PMP’s resistibility to the harsh N-methyl-2-pyrrolidone (NMP) solvent used for P84 PI solvation, introduction of P84 PI at low concentration (2 – 10 wt.%) damages the thin, dense skin layer of the PMP’s membrane surface which jeopardize the composite’s separation performance. It is hypothesised that P84 PI’s shrinkage during drying teared the underlying PMP layer which caused this degradation. Hence, there exist a minimum P84 PI polymer concentration in which a defect free selective layer can be made (which is at about 14 wt.%). At this concentration, dip coating speed can be manipulated to obtain a thinner defect-free selective layer suitable for composite membrane fabrication, although dewetting of the coating solution still occurred and magnified as the coating thickness is reduced
Atti di convegni sul tema "Polyimide P84":
Ibrahim, Nik Noor Idayu Nik, Siti Nur Liyana Mamauod e Ahmad Zafir Romli. "Mechanical properties of three layer glass fibre reinforced unsaturated polyester filled with P84 Polyimide". In ADVANCED MATERIALS FOR SUSTAINABILITY AND GROWTH: Proceedings of the 3rd Advanced Materials Conference 2016 (3rd AMC 2016). Author(s), 2017. http://dx.doi.org/10.1063/1.5010474.
Ibrahim, Nik Noor Idayu Nik, e Ahmad Zafir Romli. "Mechanical properties of one layer and seven layer glass fibre reinforced unsaturated polyester filled with P84 polyimide". In DISRUPTIVE INNOVATION IN MECHANICAL ENGINEERING FOR INDUSTRY COMPETITIVENESS: Proceedings of the 3rd International Conference on Mechanical Engineering (ICOME 2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5047166.
Ibrahim, Nik Noor Idayu Nik, Ahmad Zafir Romli e Siti Nur Liyana Mamauod. "The effect of masterbatch technique on the properties of the unsaturated polyester filled with P84 polyimide and MWCNT hybrid composites". In 3RD ELECTRONIC AND GREEN MATERIALS INTERNATIONAL CONFERENCE 2017 (EGM 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5002216.