Optimizing Dispersants in a Lubricant Formulation by Statistical Design - A Simplex Model

Paper #:
  • 922294

Published:
  • 1992-10-01
Citation:
Liu, C., Migdal, C., Crawford, N., and Yamamoto, R., "Optimizing Dispersants in a Lubricant Formulation by Statistical Design - A Simplex Model," SAE Technical Paper 922294, 1992, https://doi.org/10.4271/922294.
Pages:
8
Abstract:
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.
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