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Citation: Lu Qun, Yang Xiaozhen, Zhu Shannong. DISSOCIATION OF ZINC DIALKYLDITHIOPHOSPHATE AND ITS INTERACTION WITH SUCCINIMIDE DISPERSANT[J]. Chinese Journal of Applied Chemistry, ;1990, 7(5): 64-67. shu

DISSOCIATION OF ZINC DIALKYLDITHIOPHOSPHATE AND ITS INTERACTION WITH SUCCINIMIDE DISPERSANT

1.
Institute of Chemistry, Academia Sinica, Beijing 100080

Received Date: 28 October 1989
Available Online: 4 May 1990

The system of zinc dialkyldithiophosphate(ZDP) in lubricating base oil has been studied by using ³¹P-NMR. At low concentration of ZDP a phosphorated compound resonating at chemical shift of 86ppm was found. This indicates that there exists a chemical equilibri-um which is related to ZDP dissociation in the base oil and depends on the concentration of ZDP. A mechanism was proposed about the interaction between ZDP and succinimide dispersant.
- ³¹P-NMR,
- zine dialkyldithiophosphate,
- interaction
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