Alkylated 5,6,7,8-tetrahydronaphthalenols as antioxidants in lub

Compositions – Electrolytes for electrical devices

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252404, C10M 120

Patent

active

043929699

ABSTRACT:
Alkylated 5,6,7,8-tetrahydronaphthalenols are effective antioxidants for fuel oils, lubricating oils, greases, plastics, and rubbers over a wide temperature range. Di- and tri-alkylated tetrahydronaphthalenols are especially effective, with the di- and tri-isopropylated materials being preferred.

REFERENCES:
patent: 2116220 (1938-05-01), Shoemaker
patent: 2264893 (1941-12-01), Shoemaker et al.
patent: 2264896 (1941-12-01), Bahlke
patent: 2270577 (1942-01-01), Bergstrom et al.
patent: 2881219 (1959-04-01), Thompson
patent: 3185735 (1965-05-01), Leis et al.

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