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Developments in the field of hydrogenated diene copolymers as viscosity index improvers
Author(s) -
Eckert R. J. A.,
Covey D. F.
Publication year - 1988
Publication title -
lubrication science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.632
H-Index - 36
eISSN - 1557-6833
pISSN - 0954-0075
DOI - 10.1002/ls.3010010106
Subject(s) - diene , copolymer , gasoline , viscosity index , diesel fuel , materials science , organic chemistry , viscosity , polymer science , chemical engineering , polymer chemistry , chemistry , composite material , polymer , engineering , scanning electron microscope , base oil , natural rubber
This paper briefly reviews the development of linear hydrogenated diene copolymers as VI improvers, and reports on a novel class of VI improvers, the hydrogenated, star‐branched polyisoprenes. The viscometric properties of multigrade oils containing such products and their performance in gasoline and diesel engines will be described.