The influence of ethylene/alpha-olefin copolymers used as additives on the viscosity and low-temperature properties of mineral oils

N. A. Ostrovsky; S. T. Bashkatova; I. A. Gristkova; E. J. Grzywa

doi:10.14314/polimery.2000.366

Published : 2022-09-21

Vol. 45 No. 5 (2000)

The influence of ethylene/alpha-olefin copolymers used as additives on the viscosity and low-temperature properties of mineral oils

N. A. Ostrovsky S. T. Bashkatova I. A. Gristkova E. J. Grzywa

DOI: https://doi.org/10.14314/polimery.2000.366

Abstract

Ethylene/a-olefin copolymers (M < 20 000) (PEAOP) were studied as depressants and viscosity improvers, at concentrations of 0.5 and 1% by wt., in (a) industrial oil I—20A and (b) motor oil M-11. The pour points of the oils fell (a) by 15°C and 25°C, and (b) by 6°C and 10°C, respectively. Slovenian Viskocryl-100 was found to be equivalent and superior to the copolymer additive as depressant for the I-20A and the M-11, respectively (Table 2). Russian PMA-D was inferior as depressant. Kinematic viscosity and viscosity index of the oils were studied in relation to additive content (Table 3).

Keywords

kopolimer etylen/alfa-olefina ; modyfikatory oleju mineralnego ; temperatura kroplenia ; lepkość kinematyczna ; wskaźnik lepkościowy ethylene/alfa-olefin copolymer as oil additive ; pour point ; viscosity ; viscosity index

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Ostrovsky, N. A., Bashkatova, S. T., Gristkova, I. A., & Grzywa, E. J. (2022). The influence of ethylene/alpha-olefin copolymers used as additives on the viscosity and low-temperature properties of mineral oils. Polimery, 45(5), 366–367. https://doi.org/10.14314/polimery.2000.366

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N. A. Ostrovsky polimery@ichp.pl

S. T. Bashkatova

I. A. Gristkova

E. J. Grzywa