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izvor podataka: crosbi

Molecular interaction and viscometric behavior of mixtures of polyolefin and poly(styrene-co-dodecyl methacrylate-co-octadecyl methacrylate) rheology modifiers in solution of lubricating base oil (CROSBI ID 244511)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Jukić, Ante ; Faraguna, Fabio ; Franjić, Ivana ; Kuzmić, Sunčica Molecular interaction and viscometric behavior of mixtures of polyolefin and poly(styrene-co-dodecyl methacrylate-co-octadecyl methacrylate) rheology modifiers in solution of lubricating base oil // Journal of industrial and engineering chemistry, 56 (2017), 270-276. doi: 10.1016/j.jiec.2017.07.019

Podaci o odgovornosti

Jukić, Ante ; Faraguna, Fabio ; Franjić, Ivana ; Kuzmić, Sunčica

engleski

Molecular interaction and viscometric behavior of mixtures of polyolefin and poly(styrene-co-dodecyl methacrylate-co-octadecyl methacrylate) rheology modifiers in solution of lubricating base oil

Miscibility and rheological properties like kinematic viscosity at 40 °C and 100 °C, viscosity index, shear stability and pour point for solutions of polyolefin copolymer (OCP) and terpolymer poly(styrene-co-dodecyl methacrylate- co-octadecyl methacrylate) (PSAMA) in lubricating mineral oil are examined. Additives show complementary effect in which OCP increases solution viscosity while PSAMA increases viscosity index and lowers pour point. Repulsive interactions of OCP/PSAMA in oil solutions were determined by Krigbaum–Wall and Catsiff–Hewett models. Calculations employing the group contribution approach of Coleman, Graf and Painter confirmed immiscibility (Λ12 > 0, ΔGM > 0) of OCP/PSAMA blends. The obtained results give the prospects for lubricant formulations with mixed polymeric additives as well as for lubricant handling in order to avoid separation of copolymers in solution. © 2017 The Korean Society of Industrial and Engineering Chemistry

lubricating oils ; molecular interaction ; polymer additives ; viscosity

Glavni autori: Fabio Faraguna i Ante Jukić

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Podaci o izdanju

56

2017.

270-276

objavljeno

1226-086X

1876-794X

10.1016/j.jiec.2017.07.019

Povezanost rada

Kemija, Kemijsko inženjerstvo, Temeljne tehničke znanosti

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