PLASTICIZER PREPARATION METHOD AND PLASTICIZER Russian patent published in 2007 - IPC C10G21/22 C08K11/00

Abstract RU 2313562 C1

FIELD: rubber industry.

SUBSTANCE: invention relates to preparation of petroleum-origin plasticizers for synthetic rubber and tires. In particular, extract obtained from purification of petroleum oil fractions with selective solvents is treated by dimethylsulfoxide at weight ratio 1:(2.0-4.0), respectively, at 30-120°C and resulting raffinate is used as target product. Advantageously, extract is preliminarily diluted with paraffin-naphthene solvent at weight ratio 1:(0.1-0.5), respectively. Extract is of residual type or a mixture of the latter with distillate extract.

EFFECT: reduced level of carcinogenic polycyclic aromatics in plasticizer.

3 cl, 1 tbl, 7 ex

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RU 2 313 562 C1

Authors

Khodov Nikolaj Vladimirovich

Kuimov Andrej Fedorovich

Dolinskij Taras Ivanovich

Dates

2007-12-27—Published

2006-06-02—Filed