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Refrigerants containing fluoroiodocarbons.

Author(s) : NIMITZ J., LANKFORD L.

Summary

The paper describes recent progress on a new group of refrigerants that appear likely to provide drop-in replacements for several CFCs, HCFCs and HFCs. These new refrigerants are blends of fluoroiodocarbons (FICs) with hydrocarbons, ethers, HFCs, perfluorocarbons, and/or alkyl chlorides. FIC-based refrigerant blends appear to be nonflammable, non-ozone-depleting, near-azeotropic, compatible with mineral oil and other lubricants, and have very low acute toxicities. Extensive computer modelling and initial laboratory tests indicate that they provide acceptable energy efficiency and capacity with physical properties suitable for use in existing equipment. Recent results on performance, toxicity, thermal stability, materials compatibility, cost, and availability of FICs and FIC-containing blends are reviewed. Likely candidate FIC-based refrigerants to provide potential drop-in replacements for R11,R12 and R22 are discussed.

Details

  • Original title: Refrigerants containing fluoroiodocarbons.
  • Record ID : 1995-0740
  • Languages: English
  • Subject: Environment
  • Source: Proceedings of the 1994 International Refrigeration Conference at Purdue.
  • Publication date: 1994/07/19
  • Document available for consultation in the library of the IIR headquarters only.

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