The alkylation of oil fractions rich in aromatic hydrocarbons with C6, C8 and C10 α - olefins in the presence of ionic liquids catalytic systems

Abstract

The article is dedicated to the development of processes for (oligo)alkylation of petroleum fractions rich in aromatic hydrocarbons, with α-olefins (hexene-1, octene-1, decene-1) in the presence of ionic-liquid catalytic systems and the study of the properties of the products obtained. Alkylation reactions were carried out in the presence of chloroaluminate ionic liquids; for the first time a (nano)metal-polymer composite (NMPC) was used in the catalytic system as a modifier, and zinc chloride (ZnCl2) was used in the catalytic system as a component and the results were compared. It has been shown that these ionic liquid catalytic systems (ILCS) are suitable for (oligo)alkylation reactions and the use of these additives in their composition will lead to efficient alkylation. The products obtained were analyzed by IR-, NMR- spectroscopy, fluorescent indicator adsorption methods, and size exclusion chromatography. It was shown that these petroleum fractions rich in aromatic hydrocarbons can be used as alkylation components, and depending on the composition of the ILCS, it is possible to regulate the molecular, thermophysical and other characteristics of the products obtained based on them. The alkylated products obtained have been tested as plasticizing additives in polyolefin composites.

Strategies for Using Quaternary Ammonium Salts as Alternative Reagents in Alkylations

“…Alkylation reactions represent fundamental transformations in organic chemistry, holding significant importance across various fields including agricultural, [1] and polymer chemistry, [2] petrochemistry, [3] biochemistry [4] and medicinal chemistry. [5] Particularly in the area of drug discovery through late-stage modification strategies, alkylation reactions play a pivotal role.…”