Compositions – Electrolytes for electrical devices
Patent
1993-12-21
1995-12-19
Johnson, Jerry D.
Compositions
Electrolytes for electrical devices
252 52A, 252 68, C10M10536, C10M10532
Patent
active
054766028
ABSTRACT:
The polycarbonates of the present invention include those of sucrose series having a specific cyclic structure, those of oligosaccharide and monosaccharide series other than the sucrose series, those derived from specific saccharides having no cyclic structure, those having a skeletal structure of pentaerythritol, neopentyl glycol or trimethylolmethane, and specific dicarbonates.
The lubricating oil and electrical insulating oil of the invention contain the above-mentioned polycarbonates.
The polycarbonates of tile invention are excellent in compatibility with Freon R-134a (HFC) as well as in lubricating properties, detergency and electrical insulating properties, and are capable of providing lubricating oil for refrigerator, automotive engine oil, automotive gear oil, lubricating oil for rolling and lubricating oil for fiber, especially lubricating oil for which electrical insulating properties are required, and electrical insulating oil.
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Fujimoto Tadaaki
Hayashi Takashi
Hayashi Tetsuo
Takahata Kazunori
Tanaka Masahide
Johnson Jerry D.
Mitsui Petrochemical Industries Ltd.
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