composition

A refrigerant composition combining R-1132a, R-744, R-125, and optionally R-23 or R-116 addresses the high GWP and flammability issues of current refrigerants, offering improved cooling performance and reduced environmental impact for ultra-low temperature applications.

JP2025060751AActive Publication Date: 2025-04-10MEXICHEM FLUOR S A DE CV
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Patent Information

Application Number
JP2024224864
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2017-05-17
Filing Date
2024-12-20
Publication Date
2025-04-10
Estimated Expiration
2038-05-17

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Abstract

To provide alternative refrigerants having improved properties such as low GWP, yet possessing acceptable refrigeration performance, flammability characteristics and toxicology, and also to provide alternative refrigerants that may be used in existing devices such as refrigeration devices with little or no modification.SOLUTION: Provided is a composition comprising: (i) 1,1-difluoroethene (vinylidene fluoride, R-1132a); (ii) carbon dioxide (CO2, R-744); (iii) pentafluoroethane (R-125); and (iv) trifluoromethane (R-23) and hexafluoroethane (R-116), wherein the composition has a GWP of less than 3,700.SELECTED DRAWING: None
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Citation Information

Patent Citations

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