A study of N, O and S heterocyclic compounds as extreme pressure lubricant additives
β Scribed by T. Singh; R. Singh; V.K. Verma; K. Nakayama
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 528 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0301-679X
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A novel P-N compound was synthesised, and its tribological and anti-oxidation behaviours used as lubricant additive for polyalphaolefins (PAO4) were evaluated. The results demonstrate that adding only low amount (<2 wt.%) of P-N compound into PAO4 could improve its anti-wear performance by 10 times,
## Abstract Some novel imidazolyl and pyrazolyl thiophene derivatives were synthesized. Different substituted __N__βcontaining heterocycles were chosen with the aim of enhancing the activity or selectivity of the products towards inhibition of one of the three isoforms of nitric oxide synthase. One