Abstract:
GREASE COMPOSITIONS COMPRISING PERFLUOROALKYPOLYETHER (PFAPE) FLUIDS THICKENED WITH POLYTETRAFLUOROETHYLENE ( PTFE) FOR USE WITH LIQUID FUELED ROCKET ENGINES THE GREASE INCLUDING A SMALL QUANTITY OF RUST PREVENTING SODIUM NITRITE. THE GREASES EXHIBIT A VERY UNEXPECTED AND SIGNIFICANT IMPROVEMENT IN EXTREME PRESSURE CHARACTERISTICS, ARE RUST PREVENTIVE, AND ARE NONREACTIVE UPON CONTACT WITH CONVENTIONAL FUELS AND OXIDIZERS, AND AT HIGH IMPACT ENERGIES IN THE PRESENCE OF LIQUID OXYGEN AND OTHER OXIDIZERS USED IN CONVENTIONAL ROCKET ENGINES.
Abstract:
Stable grease compositions for use with equipment at extremely low temperatures, the greases consisting of about 68 to 73.8 weight percent trimethylolpropane esters of n-heptoic and nnonanoic acids in any combination of 10 to 90 weight percent of either, the balance being tetrafluoroethylene polymer having a molecular weight of 10,000-50,000, a softening point of 321.1* C., a particle size less than 30 microns in diameter, and supplied as a 7.5 percent suspension in trichlorotrifluoroethane.
Abstract:
Stable grease compositions for use with equipment at extremely low temperatures, the greases consisting of about 64.1 to 69.4 weight percent bis(2-ethylhexyl) sebacate, the balance being tetrafluoroethylene polymer having a molecular weight of 10,00050,000, a softening point of 321.1* C., a particle size less than 30 microns in diameter, and supplied as a 7.5 percent suspension in trichlorotrifluoroethane.
Abstract:
STABLE GREASE COMPOSITIONS HAVING EXCELLENT EXTREME PRESSURE PROPERTIES, AMONG OTHER, THE GREASE CONSISTING OF ABOUT 66.5 TO 75.8 WEIGHT PERCENT PETROLEUM FLUIDS HAVING POUR POINTS RANGING BETWEEN - 7.0 TO 40.0*C. 0.5 WEIGHT PERCENT PHENYL-1-NAPHTYLAMINE, THE BALANCE BEING TETRAFLUOROETHYLENE POLYMER HAVING A MOLECULAR WEIGHT OF 10,000-50,000 A SOFTENING POINT OF 32.1*C. A PARTICLE SIZE LESS THAN 30 MICRONS IN DIAMETER, AND SUPPLIED AS A 7.5% SUPENSION IN TRICHLOROTRIFLUOROETHANE.
Abstract:
GREASE LUBRICANTS FOR MILITARY AND INDUSTRIAL USE CONSISTING OF ABOUT 65 TO 75 WEIGHT PERCENT TRIMETHYLOLPROPANE ESTER OF STRAIGHT CHAIN MONOCARBOXYLIC ACIDS HAVING 5 TO 7 CARBON ATOMS, 25 TO 35 WEIGHT PERCENT POLYTETRAFLUOROETHYLENE HAVING A MOLECULAR WEIGHT 10,000 TO 50,000 AND 0.25 TO 0.75 WEIGHT PERCENT SODIUM NITRITE, THE GREASE EXHIBITING EXCELLENT EXTREME PRESSURE PROPERTIES AS WELL AS RUST PREVENTION CHARACTERISTICS.
Abstract:
Stable grease compositions for use with equipment at extremely low temperatures, the greases consisting of about 69 to 78 weight percent polysiloxanes, the balance being tetrafluoroethylene polymer having a molecular weight of 10,000 - 50,000, a softening point of 321.1 percent, particle size less than 30 microns in diameter, and supplied as a 7.5 percent suspension in trichlorotrifluoroethane.
Abstract:
Stable grease compositions having excellent extreme pressure properties, among other, the grease consisting of about 68-73.5 weight percent bis(m-phenoxyphenyl) ether having a pour point of +4.5* C., balance being tetrafluoroethylene polymer having a molecular weight 10,000-50,000, softening point 321.1* C., particle size less than 30 microns in diameter, and supplied as a 7.5 percent suspension is trichlorotrifluoroethane.
Abstract:
NEW COMPOSITIONS OF MATTER ARE PROVIDED WHICH ARE USEFUL AS ADDITIVES IN LUBRICANTS AND WHICH ARE OXIDATIVELY AUTOINHIBITIVE AND/OR RUST-INHIBITIVE, THE COMPOSITIONS COMPRISING SUBSTITUTED PHENYLALKANES OR HYDROXYARYLSTEARIC ACIDS OR SALTS THEREOF WHEREIN THE ARYL GROUPS ARE ATTACHED TO THE ALKYL CHAIN AT A TERTIARY CARBON ATOM.