Sorption and Diffusion of CO2/N2 in gas mixture in thermally-rearranged polymeric membranes: A molecular investigation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2017.01.025
Abstract: Abstract In this work, we study the adsorption and diffusion of nitrogen and carbon dioxide through an atomistically detailed model of a thermally rearranged polybenzoxazole (TR-PBO) polymer membranes, via equilibrium molecular dynamics (MD) simulations. This… read more here.
Keywords: diffusion; gas mixture; thermally rearranged; sorption ... See more keywords
Gas separation properties of polybenzimidazole/thermally-rearranged polymer blends
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2019.03.067
Abstract: Abstract Polybenzimidazole (PBI) is highly selective for H2 removal from mixtures with CO2, but it exhibits low gas permeabilities. Celazole® PBI was blended with more permeable HAB-6FDA-CI, an ortho-functional thermally rearrangeable polyimide, to improve its… read more here.
Keywords: gas; separation properties; thermally rearranged; heat treatment ... See more keywords
Cardo-type porous organic nanospheres: Tailoring interfacial compatibility in thermally rearranged mixed matrix membranes for improved hydrogen purification
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2020.118414
Abstract: Abstract Mixed-matrix membrane (MMM) is an effective way to overcome trade-off limitations of conventional polymeric membranes. However, the existence of defect voids at the polymer/filler interface often limits their performance improvement. Similar issues are also… read more here.
Keywords: type porous; cardo type; matrix; porous organic ... See more keywords
Synthesis, characterization, and gas permeation properties of thermally rearranged poly(hydroxyimide)s filled with mesoporous MCM-41 silica
Sign Up to like & getrecommendations! Published in 2018 at "Polymer"
DOI: 10.1016/j.polymer.2018.10.033
Abstract: Abstract The gas transport properties of the mixed matrix membranes (MMM) prepared from the synthesized, structurally different poly(hydroxyimide)s (HPI) and mesoporous MCM-41 silica particles were investigated. The both series of filled and unfilled precursors were… read more here.
Keywords: thermally rearranged; poly hydroxyimide; gas; mcm silica ... See more keywords
Preparation of thermally rearranged poly(benzoxazole-co-imide) membranes containing heteroaromatic moieties for CO2/CH4 separation
Sign Up to like & getrecommendations! Published in 2019 at "Polymer"
DOI: 10.1016/j.polymer.2019.121945
Abstract: Abstract Simultaneously achieving excellent mechanical properties and superior gas separation performance remains a great challenge for thermally rearranged polymers when applied as the membrane materials in large scale gas separation applications. Herein, different heteroaromatic non-TR-able… read more here.
Keywords: gas separation; poly benzoxazole; thermally rearranged; gas ... See more keywords
Gas transport properties of mixed matrix membranes based on thermally rearranged poly(hydroxyimide)s filled with inorganic porous particles
Sign Up to like & getrecommendations! Published in 2020 at "Separation and Purification Technology"
DOI: 10.1016/j.seppur.2020.116778
Abstract: Abstract In this study, we explore the use of two kinds of inorganic sieves, microporous MFI zeolite and mesoporous MCM-41 silica, as fillers to enhance the gas transport characteristics of thermally rearranged (TR) poly(hydroxyimides) (HPI).… read more here.
Keywords: matrix; gas transport; gas; thermally rearranged ... See more keywords