Method for producing hydrofluoroether

JP2025522600A5Pending Publication Date: 2026-06-01SOLVAY SPECIALTY POLYMERS ITALY SPA
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Patent Information

Application Number
JP2024576569
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-06-29
Filing Date
2023-06-22
Publication Date
2026-06-01

AI Technical Summary

Technical Problem

Existing processes for producing hydrofluoroethers suffer from low yields and require environmentally harmful materials, and there is a need for a more efficient and environmentally friendly method.

Method used

A process involving the reaction of compounds with -OH groups, such as alcohols or phenols, with fluorinated olefins in the presence of a basic catalyst, using polar aprotic solvents at mild conditions, followed by purification methods like evaporation or water extraction to achieve high yields of hydrofluoroethers.

Benefits of technology

The method achieves high yields of hydrofluoroethers under mild conditions without harmful materials, with purification methods effectively removing catalyst residues and by-products, suitable for both laboratory and industrial scales.

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Abstract

A process for producing a hydrofluoroether, comprising: ·A) providing a mixture comprising one or more polar aprotic organic solvents having a boiling point measured at 1 atm (1.01 bar) in the range of 60 °C to 170 °C, and one or more compounds carrying at least one -OH group which is part of an alcohol or phenol group; ·B) reacting the one or more compounds carrying at least one -OH group with one or more fluorinated olefins in the presence of a basic catalyst, thereby providing a reaction mixture comprising one or more hydrofluoroethers.
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