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Biobased Polycarbonate as a Gas Separation Membrane and "Breathing Glass" for Energy Saving Applications

Title data

Hauenstein, Oliver ; Rahman, Md. Mushfequr ; Elsayed, Mohamed ; Krause-Rehberg, Reinhard ; Agarwal, Seema ; Abetz, Volker ; Greiner, Andreas:
Biobased Polycarbonate as a Gas Separation Membrane and "Breathing Glass" for Energy Saving Applications.
In: Advanced Materials Technologies. Vol. 2 (2017) Issue 5 . - Art.Nr. 1700026.
ISSN 2365-709X
DOI: https://doi.org/10.1002/admt.201700026

Abstract in another language

The biobased poly(limonene carbonate) (PLimC) synthesized by catalytic copolymerization of trans‐limonene oxide and CO2 unifies sustainability, carbon capture and utilization of CO2 in one material. Films of PLimC show surprisingly high gas permeation and good selectivity. Additionally, it is not only very permeable to gases, but also to light, while simultaneously being a good heat insulator and mechanically strong, representing a novel type of material that is defined here as “breathing glass.” Hence, this study investigates the gas permeation and the selectivity in detail. The selectivity of PLimC for CO2 can be understood by its high fractional free volume, which is determined by positron annihilation lifetime spectroscopy supported by simulations. The CO2 permeability of PLimC at 30 °C is 68 barrer, while the CO2/N2 selectivity is ≈19, which places PLimC in a promising position in the Robeson plot and makes it unique due to its excellent transparency and processability under ambient conditions. Based on the high permeability of PLimC to gases and light, this study discusses here a completely new potential application of light transparent, gas‐permeable polymer films as “breathing glass.”

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 10 Aug 2018 13:38
Last Modified: 10 Aug 2018 13:38
URI: https://eref.uni-bayreuth.de/id/eprint/45405