期刊
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
卷 703, 期 1, 页码 87-106出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/15421406.2020.1780830
关键词
CO(2)absorption; lyotropic liquid crystals; PEO-PPO-PEO; rheology
资金
- Research Council of Norway under the CLIMIT-program [239778]
- Gassnova SF
Vapor-liquid equilibria data of three poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide)/water liquid crystals (LCs) with CO(2)has been obtained up to 6 bar. The investigated LCs consist of 60% (EO)(3)(PO)(50)(EO)(3)(Pluronic L81), 70% (EO)(8)(PO)(47)(EO)(8)(Pluronic L92), and 70% L92-NH2. The maximum CO(2)loading of the LCs was 5-13 g CO2/kg sample. Pure L81 and L92 displayed higher absorption of CO(2)than the LCs. Rheology measurements revealed that the increasing viscosity of the samples decreases the CO(2)loading. Water diffusion in the LCs was qualitatively investigated by nuclear magnetic resonance, confirming that free water and tightly bound water are present in the LCs.
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