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Potentially useful polyolester lubricant additives. An overview of antioxidants, antiwear and antisieze compounds.

Author(s) : CAVESTRI R. C.

Summary

Reliable service lubrication of compressors with polyolesters that do not contain additives is the optimal goal for hermetic compressor use. Chlorine derived from CFC and HCFC refrigerants is reported to have effective antiwear properties and negates the widespread use of additives in mineral oil lubricated systems. The use of antioxidants for mineral oil and polyolesters have been reported; antioxidant additive activity seems essential for polyolesters. Antiwear and antiseize additives seem to be a short term goal use with polyolesters. High silicone aluminium to steel wear seems to be a primary target for additive use. Known lubricant additives used in the hermetic compressor industry, the mode of action of several types of additives and some lubricant additive chemistry that demonstrates selective thermal stability in conjunction with the chemical structure are examined.

Details

  • Original title: Potentially useful polyolester lubricant additives. An overview of antioxidants, antiwear and antisieze compounds.
  • Record ID : 1997-0088
  • Languages: English
  • Source: Proceedings of the 1996 Purdue International Refrigeration Conference.
  • Publication date: 1996/07/23
  • Document available for consultation in the library of the IIR headquarters only.

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