Determination of Surface Characteristics of Epoxidized Soybean Oil by Inverse GC

被引：9

作者：

Chen, Yali ^{[1
]}

Wang, Qiang ^{[1
]}

Tang, Jun ^{[1
]}

Zhang, Zhengfang ^{[1
]}

机构：

[1] Xinjiang Univ, Ctr Phys & Chem Anal, Urumqi 830046, Peoples R China

来源：

CHROMATOGRAPHIA | 2013年 / 76卷 / 1-2期

关键词：

Inverse gas chromatography; Epoxidized soybean oil; Surface characteristic; Thermodynamic parameter; Plasticizer; ACID-BASE PROPERTIES; GAS-CHROMATOGRAPHY; SOLUBILITY PARAMETERS; MECHANICAL-PROPERTIES; CONDUCTING POLYMERS; INFINITE DILUTION; PLASTICIZERS; CHALLENGES; ENERGY; RESIN;

D O I：

10.1007/s10337-012-2361-y

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The dispersive free energy and acid-base forces of epoxidized soybean oil (ESO) were determined by inverse gas chromatography (IGC). Eight non-polar and polar solvents were used as the probes in the temperature range between 303.15 and 343.15 K. The IGC characterization encompassed the adsorption thermodynamic parameters, including the standard enthalpy () and the free energy change of adsorption (), using the retention time of different non-polar and polar probes at the infinite dilution region. Surface characterization showed that ESO has low value, even at 303.15 K, and is a Lewis amphoteric material with predominantly basic character, as confirmed by the Lewis acidity and basicity constants K (a) and K (b), respectively.

引用

页码：91 / 96

页数：6

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