Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic phosphorus compound – wherein the phosphorus is...
Patent
1996-04-01
1996-11-26
Howard, Jacqueline V.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic phosphorus compound, wherein the phosphorus is...
508269, C10M13344
Patent
active
055785573
ABSTRACT:
A food grade compressor oil for use in a high pressure compressor includes a base oil, an N-acyl derivative of the amino acid sarcosine, an imidazoline, and an amine-phosphate. Each of the three additives comprises no more than 0.5% by weight of the oil composition, and results in high lubricity and very low corrosion even when water is present in the oil. The compressor oil may also include polybutene which serves as a thickener, and an antioxidant. The compressor oil of this invention is particularly well suited for use in a hypercompressor used in the manufacture of polyethylene.
REFERENCES:
patent: 3116252 (1963-12-01), Beretvas et al.
patent: 4783274 (1988-11-01), Jokinen et al.
patent: 5344579 (1994-09-01), Ohtani et al.
patent: 5464551 (1995-11-01), Deetman
patent: 5496478 (1996-03-01), Foot et al.
Article: "Lubrication of Compression Cylinders Used in the Manufacture of High-Pressure Polyethylene," Lubrication Engineering, vol. 37, pp. 203-208 (1980) May.
Dougan Rodney D.
Tincher Cline A.
Wulfers Thomas F.
Howard Jacqueline V.
Lyondell Petrochemical Company
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