Abstract

The functional and group composition and structure of β and α₂ fractions of medium-temperature coal pitch fraction (in powder form) are investigated by methods such as elemental analysis, electron microscopy, IR spectroscopy, ESR, X-ray diffraction analysis, derivatographic analysis, and chromatography and mass spectrometry. The morphology and structure of the coke residues from the thermal destruction of the pitch’s α₂ fraction are studied at different stages of thermolysis. It is found that the polycyclic aromatic hydrocarbons in the volatile thermolytic products of the coal pitch are generated on decomposition of the β fraction. The data obtained by different methods are relatively consistent and more completely characterize the functional and group composition and structure of the β and α₂ fractions of medium-temperature coal pitch. On that basis, new methods are proposed for the use of individual pitch fractions as precursors for the synthesis of carbon materials or selective sorbents.

中文翻译：

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用煤沥青合成碳材料的前体

摘要

的功能和组的组合物和αβ的和结构_2个中温煤沥青馏分的馏分（以粉末形式存在）通过方法如元素分析，电子显微镜，IR光谱法，ESR，X射线衍射分析，derivatographic分析研究，以及色谱和质谱。焦炭残基从音调的α的热破坏的形态和结构₂在热解的不同阶段研究级分。发现在煤沥青的挥发性热解产物中的多环芳族烃是在β级分分解时产生的。通过不同方法获得的数据是相对一致和更完全地表征β的功能和组组成和结构和α _2级的级分中温煤沥青的。在此基础上，提出了使用单独的沥青馏分作为碳材料或选择性吸附剂合成的前体的新方法。