增油橡胶中石油馏分的色谱分析

Journal of research of the National Bureau of Standards. Section A, Physics and chemistry Pub Date : 1962-03-01 DOI:10.6028/jres.066A.018

D. J. Termini, A. Glasgow

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引用次数: 0

摘要

根据油的组成差异对油进行分类，在制造增油丁二烯-苯乙烯橡胶时很重要。开发了一种快速色谱分析方法，即用戊烷、苯、四氯化碳和乙醇作为洗脱剂，将2.5至3.0克的油样品从硅胶中解吸成五个不同的馏分。用该方法对6种膨胀油进行了分析。分离馏分的物理性质在同一种油的不同馏分之间存在显著差异，而在不同油的相应馏分之间存在相似性。用色谱法将填充油分离成不同组分，为评价不同组分对橡胶制品性能的影响提供了一种方法。

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Chromatographic Analysis of Petroleum Fractions Used in Oil-Extended Rubber

The classification of oils with respect to differences in composition is important in their use in the manufacture of oil-extended butadiene-styrene rubber. A rapid chromatographic method of analysis has been developed in which 2.5- to 3.0-gram samples of oil are desorbed from silica gel into five different fractions by successive elution with pentane, benzene, carbon tetrachloride, and ethanol as eluents. Six extender-oils were analyzed by this method. Physical properties of the separated fractions showed marked differences between fractions of the same oil and similarities between corresponding fractions of the different oils. The chromatographic separation of extender-oils into compositionally different fractions provides a method for evaluation of the effect of different components on specific properties of the finished rubber product.

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Journal of research of the National Bureau of Standards. Section A, Physics and chemistry

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