Penetrant-induced plasticization in microporous polymer membranes
Penetrant-induced plasticization has prevented the industrial deployment of many polymers
for membrane-based gas separations. With the advent of microporous polymers, new …
for membrane-based gas separations. With the advent of microporous polymers, new …
Unifying the Conversation: Membrane Separation Performance in Energy, Water, and Industrial Applications
Dense polymer membranes enable a diverse range of separations and clean energy
technologies, including gas separation, water treatment, and renewable fuel production or …
technologies, including gas separation, water treatment, and renewable fuel production or …
The role of free volume, hydrogen bonds, and crosslinks on physical aging in polymers of intrinsic microporosity (PIMs)
Physical aging is a slow structural relaxation process characteristic of glassy polymers that
results in reduced membrane permeabilities. In this study, PIM-1, the archetypal polymer of …
results in reduced membrane permeabilities. In this study, PIM-1, the archetypal polymer of …
Ultra-high modulus epoxy resin reinforced by intensive hydrogen bond network: from design, synthesis, mechanism to applications
J He, L Li, J Zhou, J Tian, Y Chen, H Zou… - Composites Science and …, 2023 - Elsevier
According to classic polymer physics, free volume is the decisive factor for the modulus of
resin matrix. In rigid epoxy resin systems with high crosslink density, it's difficult to further …
resin matrix. In rigid epoxy resin systems with high crosslink density, it's difficult to further …
Boc Protection for Diamine-Appended MOF Adsorbents to Enhance CO2 Recyclability under Realistic Humid Conditions
Among the various metal–organic framework (MOF) adsorbents, diamine-functionalized
Mg2 (dobpdc)(dobpdc4–= 4, 4-dioxidobiphenyl-3, 3′-dicarboxylate) shows remarkable …
Mg2 (dobpdc)(dobpdc4–= 4, 4-dioxidobiphenyl-3, 3′-dicarboxylate) shows remarkable …
Leveraging free volume manipulation to improve the membrane separation performance of amine‐functionalized PIM‐1
Gas‐separation polymer membranes display a characteristic permeability–selectivity trade‐
off that has limited their industrial use. The most comprehensive approach to improving …
off that has limited their industrial use. The most comprehensive approach to improving …
Positive-tone chemically amplified photosensitive polyimides with controllable taper angles
LZ Wang, XY Cao, B Jia, LL Yuan, HX Yang… - Materials Today …, 2023 - Elsevier
Current methods for tuning the taper angle of photosensitive polyimide (PSPI) often require
additional equipment or materials, and has limited achievable angle tuning range while …
additional equipment or materials, and has limited achievable angle tuning range while …
CO2 separation of fluorinated 6FDA-based polyimides, performance-improved ZIF-incorporated mixed matrix membranes and gas permeability model evaluations
In this study, we compare a newly introduced high free volume fluorinated 6FDA-polyimide,
namely 6FDA-bisP, with excellent gas separation properties (CO 2 permeability, P CO2 of …
namely 6FDA-bisP, with excellent gas separation properties (CO 2 permeability, P CO2 of …
Free Volume Manipulation and In Situ Oxidative Crosslinking of Amine-Functionalized Microporous Polymer Membranes
Membranes for gas separations are limited by the trade-off relationship between
permeability and selectivity. In this study, we demonstrate an in situ thermal oxidative …
permeability and selectivity. In this study, we demonstrate an in situ thermal oxidative …
Enhancing acid–gas separations using free volume manipulation for microporous poly (arylene ether) s
To address global energy needs, traditional and renewable natural gas will likely be key
energy sources for years to come. However, raw feeds require removal of impurities like …
energy sources for years to come. However, raw feeds require removal of impurities like …