A simplex statistical design was used to model the Sequence VE engine performance of two dispersants, P and L, in a lubricant formulation. Dispersant P is a polyisobutylene succinimide, and L a low molecular weight ethylene propylene succinimide dispersant. The model showed that in the Sequence VE test, dispersant L gives superior sludge and varnish performance as compared to dispersant P. Furthermore, there is a synergism in the Sequence VE sludge performance when the two dispersants are mixed in the formulation.
Optimizing Dispersants in a Lubricant Formulation by Statistical Design - A Simplex Model
Sae Technical Papers
International Fuels & Lubricants Meeting & Exposition ; 1992
1992-10-01
Aufsatz (Konferenz)
Englisch
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