作者: Cedrick Mahieux , Richard Pran Dutta , Curtis B. Campbell
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摘要: Disclosed herein is a process for preparing salt of sulfurized alkyl-substituted hydroxyaromatic composition and the involves steps of: (a) providing comprising (i) compound; (ii) an unsulfurize'd compound (iii) unsulfurized metal compound;wherein derived from alkylation with one or more olefins C9 to C18 oligomers monomers selected propylene, butylene mixtures thereof; (b) protonating acidic capable ( c) removing protonated composition.