构造煤结构成分应力效应的傅里叶变换红外光谱研究

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Abstract Fourier transform infrared spectroscopy (FTIR) was applied to the study of the stress effect of compositions of macromolecular structure in tectonically deformed coals.The results showed that in different kinds of tectonically deformed coals, the absorption band of aromatic structure, aliphatic structure and oxygen functional groups nearly consistent in the peak wave number，but the intensity of the peak is different which is justly influenced by different deformation degree and deformation mechanism of tectonically deformed coals under tectonic stress.In the metamorphic and deformed environments of the low，middle and high coal rank, for tectonically deformed coals, with the increasing stress, hydrogen-enriched degree and oxygen-enriched degree decrease, while the degree of ring condensation increases.But there are differences in the change of compositions contents of macromolecular structure.This might indicate that the FTIR could be used in the stress effect of compositions of macromolecular structure in tectonically deformed coals.

Key words：Tectonically deformed coals;Deformation mechanism;Macromolecular structure;Chemical composition;FTIR

Received: 2004-01-18 Accepted: 2004-06-03

ZTFLH:

P618.1

Corresponding Authors: JU Yi-wen

Cite this article:

JU Yi-wen,JIANG Bo,HOU Quan-lin, et al. FTIR Spectroscopic Study on the Stress Effect of Compositions of Macromolecular Structure in Tectonically Deformed Coals [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(08): 1216-1220.

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https://www.gpxygpfx.com/EN/Y2005/V25/I08/1216

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