Preparation and characterization of a viscosity index improver for naphthenic and paraffinic base oils

Journal Article · Tue Feb 01 04:00:00 EST 1994 · Journal of Solution Chemistry; (United States)

DOI:https://doi.org/10.1007/BF00973553· OSTI ID:7207886

Bataille, P ^[1]; Sharifi-Sangani, N; Evin, E ^[2]

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1. Ecole Polytechnique de Montreal (Canada)
2. Univ. of Tehran (Iran, Islamic Republic of)

Copolymers of [alpha]-methyl styrene and 2-ethylhexyl acrylate were prepared in a benzene solution. The presence of the copolymers were confirmed by solubility, IR and NMR tests. The molecular weight and the polydispersity of the polymers were estimated by GPC. The copolymers obtained were blended with paraffinic and naphthenic base oils. The viscosity, the viscosity index (VI), the Q value as well as the stability to shear and oxidation were obtained for these blends. The results are compared with the results obtained with an oil blend containing a commonly used high temperature additive. Two of the copolymers obtained have shown to be good alternatives for specific applications.

• OSTI ID: 7207886
• Journal Information: Journal of Solution Chemistry; (United States), Journal Name: Journal of Solution Chemistry; (United States) Vol. 23:2; ISSN JSLCAG; ISSN 0095-9782
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
023000* -- Petroleum-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
ABSORPTION SPECTROSCOPY
ADDITIVES
CHEMICAL PREPARATION
COPOLYMERS
MAGNETIC RESONANCE
NUCLEAR MAGNETIC RESONANCE
OILS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OTHER ORGANIC COMPOUNDS
POLYMERS
RESONANCE
SPECTROSCOPY
SYNTHESIS
VISCOSITY