Investigation on dispersion properties of CO(2) and ester solvent mixtures using in situ FTIR spectroscopy.
Investigation on dispersion properties of CO(2) and ester solvent mixtures using in situ FTIR spectroscopy.
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使用原位 FTIR 光谱研究 CO2 和酯溶剂混合物的分散特性
作者：
为研究CO2在不同酯类溶剂中的微观分散状态，测定了CO2-酯类体系的溶解度、体积膨胀系数和原位傅里叶变换红外光谱（FTIR）。结果表明，CO2在酯类溶剂中的溶解度和膨胀系数随烃链的增加而减小。随着压力的增加，CO2的红外吸收峰和酯分子的特征官能团发生位移，表明CO2分子与酯分子相互作用，并且CO2会破坏酯分子之间的相互作用。酯分子的烃链长度对CO2-酯体系的红外吸收峰有显著影响。随着烃链长度的增加，CO2吸收峰位移和酯中羰基的峰位移逐渐减小。采用改进的原位红外光谱技术研究了CO2和酯类溶剂混合物的微观分散状态。
To study the microscopic dispersion state of CO2 in different ester solvents, the solubility, volume expansion coefficients and in situ Fourier transform infrared (FTIR) spectra of the CO2–ester system were measured. The results show that the solubility and expansion coefficient of CO2 in ester solvents decreases as the hydrocarbon chain increases. As the pressure increases, the infrared absorption peaks of CO2 and the functional groups characteristic of ester molecules shift, indicating that CO2 molecules interact with ester molecules and that CO2 would destroy the interactions between the ester molecules. The hydrocarbon chain length of the ester molecules has a significant effect on the infrared absorption peak of the CO2–ester system. As the hydrocarbon chain length increases, the CO2 absorption peak shift and peak shift of the carbonyl groups in the ester gradually decrease. Improved in situ FTIR spectroscopy technology was employed to investigate the microscopic dispersion state of CO2 and ester solvent mixtures.
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影响因子：
3.9
作者：
Cavero, Soffa;Garcia-Risco, Monica R.;Ibanez, Elena
通讯作者：
Ibanez, Elena
影响因子：
3.9
作者：
Kordikowski, A;Schenk, AP;Peters, CJ
通讯作者：
Peters, CJ
影响因子：
3.9
作者：
Byun, Hun-Soo;Choi, Min-Yong;Lim, Jong-Sung
通讯作者：
Lim, Jong-Sung
影响因子：
2.1
作者：
Or, C.;Sasaki, K.;Imai, M.
通讯作者：
Imai, M.
影响因子：
3.9
作者：
Drohmann, C;Beckman, EJ
通讯作者：
Beckman, EJ