TRIBOLOGICAL PROPERTIES OF MERCAPTOBENZOTHIAZOLE ALCOHOL AS ADDITIVE IN RAPESEED OIL AND HYDROTREATED OIL

Abstract

Abstract: A lubricant additive 3-(benzo[d]thiazol-2-ylthio)-2-ethoxypropan-1-ol (TBE) was synthesized using fatty alcohol and a mercaptobenzothiazole as starting materials. The tribological properties of TBE alone and TBE/TBP (tributyl phosphate) composite additive in rapeseed oil (RSO) and hydrotreated base oil with 5Cst (5Cst) were investigated using a four-ball friction tester. The results show that the synthesized TBE has some tribological properties, and the response effect in RSO is better than in 5 cst. On the other hand, the addition of TBE and TBP simultaneously in base oil can get synergies. TBE/TBP has better extreme pressure, anti-wear and friction properties than the single additive, and the best mass ratio of TBE/TBP composite additive is 7:3 or 5:5. The response performance of TBE/TBP composite additive in RSO is also better than in 5Cst.

References

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