RESEARCH AND APPLICATION PROGRESS OF ECO-FRIENDLY RUBBER EXTENDER OIL

Abstract

Abstract: The classification, development status, production process and research progress of eco-friendly rubber extender oil (rubber oil) at domestic and overseas were summarized. The rubber oil mainly includes five categories: distillate aromatic extract (TDAE), heavy naphthenic oil (NAP), mildly extract solvate (MES), residual aromatic extract (RAE) and blended oil. Taking by-product extracted oil from lube oil refining unit, FCC slurry and residue, etc. as raw materials, the production process of eco-friendly rubber oil mainly included solvent refining process, double solvent extraction process, hydrorefining-solvent extraction process, etc., these processes produced eco-friendly rubber oil by selective removal of polycyclic aromatic hydrocarbons from raw materials and retention of aromatic hydrocarbons and alkyl-aromatic hydrocarbons with less rings. The main problems were low production volume and low CA of eco-friendly rubber oil, which influenced the large scale application of eco-friendly rubber oil in China and the improvement of the quality of the eco-friendly rubber tire. It was urgent to develop a new production process of eco-friendly rubber oil on the original technical scheme and explore a new processing route.

Key words: eco-friendly rubber extender oil, hydrorefining, solvent extraction, polycyclic aromatic hydrocarbons

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