Abstract
The developed approaches to increasing the selectivity of analysis by laser Raman spectroscopy, the use of chemometrics and a proprietary algorithm for self-tuning calibration models with the efficiency and speed of the method have shown a rare andexcellent opportunity for information equivalent on-line control of all technological stages of the production of poly- -olefin oils and other products through a network of fiber-optic probes. The oligomers of -olefins C6, C8 and C10 obtained by the technology of heterogeneous chromium-oxide catalysis developed at RN-RDC, as shown by the Raman spectra, differ from analogues obtained by homogeneous synthesis by a variety of structures of unsaturated groups, as well as by a greater width and variability of molecular mass distribution, which makes it possible to regulate a wide range assortment of low and high molecular weight products. A specialcase - the atypically high sensitivity of Raman spectra to the length of the chain - make it possible in the synthesis process to predict and adjust in real time the molecular weight of oligomers and other target properties, and replacing a fleet of traditional analytical equipment with one method.
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