Abstract Vapor–liquid equilibria data of three poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide)/water liquid crystals (LCs) with CO2 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 CO2 loading of the LCs was 5–13 g CO2/kg sample. Pure L81 and L92 displayed higher absorption of CO2 than the LCs. Rheology measurements revealed that the increasing viscosity of the samples decreases the CO2 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.

中文翻译：

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溶致液晶对 CO2 的吸收

摘要 三种聚（环氧乙烷）-聚（环氧丙烷）-聚（环氧乙烷）/水液晶 (LC) 与 CO2 的汽液平衡数据已在高达 6 bar 的压力下获得。所研究的 LC 由 60% (EO)3(PO)50(EO)3 (Pluronic L81)、70% (EO)8(PO)47(EO)8 (Pluronic L92) 和 70% L92-NH2 组成。LC 的最大 CO2 负载量为 5–13 g CO2/kg 样品。纯 L81 和 L92 显示出比 LC 更高的 CO2 吸收。流变学测量表明，样品粘度的增加会降低 CO2 负载。通过核磁共振对 LC 中的水扩散进行了定性研究，证实了 LC 中存在自由水和紧密结合的水。