Investigation of Thermodynamic Properties of SIS, SEBS, and Naphthenic Oil by Inverse Gas Chromatography

IF 1.4 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Elastomers and Plastics Pub Date : 2011-07-01 DOI:10.1177/0095244311405000

Peng Wu, S. Qi, Nailiang Liu, Kangqing Deng, Hai-Jing Nie

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引用次数: 12

Abstract

The thermodynamic properties of styrene-b-butene/ethylene-b-styrene, styrene-isoprene-styrene, and naphthenic oil, were investigated by means of inverse gas chromatography using 13 different kinds of solvents as the probes. Some thermodynamic parameters such as specific retention volume, weight fraction activity coefficient, Flory—Huggins interaction parameter, partial molar heats of mixing and solubility parameter, etc. were obtained to judge the interactions and the solubility between the polymer and solvents and the solubility of the polymers in these solvents. The results indicated that n-pentane, n-hexane, chloroform, tetrahydrofuran, and diethyl ether were good solvents for these polymers at experimental temperatures. The solubility parameter of styrene-b-butene/ethylene-b-styrene, styrene-isoprene-styrene, and naphthenic oil were calculated to be 16.99, 16.84, 14.39 (J/cm3)1/2 at 298.15 K by inverse gas chromatography, respectively, which were consistent with that obtained by intrinsic viscosity method, small group contribution method, or solubility parameter-surface tension method.

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反相气相色谱法研究SIS、SEBS和环烷油的热力学性质

采用反相气相色谱法，以13种不同溶剂为探针，研究了苯乙烯-丁烯/乙烯-苯乙烯、苯乙烯-异戊二烯-苯乙烯和环烷油的热力学性质。通过获得比保留体积、质量分数活度系数、Flory-Huggins相互作用参数、部分摩尔混合热和溶解度参数等热力学参数，来判断聚合物与溶剂的相互作用和溶解度，以及聚合物在溶剂中的溶解度。结果表明，在实验温度下，正戊烷、正己烷、氯仿、四氢呋喃和乙醚是这些聚合物的良好溶剂。在298.15 K条件下，苯乙烯-b-丁烯/乙烯-b-苯乙烯、苯乙烯-异戊二烯-苯乙烯、环烷油的溶解度参数分别为16.99、16.84、14.39 (J/cm3)1/2，与本征粘度法、小基团贡献法、溶解度参数-表面张力法计算结果一致。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Elastomers and Plastics 工程技术-材料科学：综合

CiteScore

3.30

自引率

5.90%

发文量

审稿时长

6 months

期刊介绍： The Journal of Elastomers and Plastics is a high quality peer-reviewed journal which publishes original research on the development and marketing of elastomers and plastics and the area in between where the characteristics of both extremes are apparent. The journal covers: advances in chemistry, processing, properties and applications; new information on thermoplastic elastomers, reinforced elastomers, natural rubbers, blends and alloys, and fillers and additives.