Phthalonitriles and phthalocyanines as lubricity-enhancing additives

• Main Author: NADER; BASSAM S
• Format: Patent
• Language: English
• Published: 02.06.1992
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; FUELS; HETEROCYCLIC COMPOUNDS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; ORGANIC CHEMISTRY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

Disclosed herein are phthalonitriles of the following formula: wherein R1, R2, and R3 are independently in each occurrence an aryl or phosphazine group; X is independently in each occurrence O, S, S(O), S(O)(O), P(R5), P(O)(R5), or N(R5); R4 is independently in each occurrence aryl, aryloxy, polyhaloaryl, polyhaloaryloxy, polyhaloalkylaryl, or polyhaloalkylaryloxy; R5 is independently in each occurrence aryl, polyhaloaryl, or polyhaloalkylaryl; n is a number from 1 to 4; and m is a number from 2 to 5. Also disclosed are phthalocyanines prepared from the above-described phthalonitriles. Also disclosed is a lubricant composition which comprises a lubricating fluid and a phthalonitrile or phthalocyanine as described above.