Method for producing tetrafluoroethylene and TFE composition
A single-step method using a basic compound with a pKa of 13 or higher treats pentafluoroethane to produce tetrafluoroethylene efficiently and in high yield, addressing the inefficiencies of multi-step high-temperature processes.
JP7864316B2Active Publication Date: 2026-05-25DAIKIN INDUSTRIES LTD +1
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- DAIKIN INDUSTRIES LTD
- Filing Date
- 2025-08-22
- Publication Date
- 2026-05-25
AI Technical Summary
Technical Problem
Existing methods for producing tetrafluoroethylene require multiple steps and high-temperature processes, consuming significant energy and are not efficient in yield.
Method used
A single-step method using a basic compound, preferably in a solid state with a pKa value of 13 or higher, to treat pentafluoroethane under mild conditions, optionally with a phase transfer catalyst and solvent, to produce tetrafluoroethylene.
Benefits of technology
Tetrafluoroethylene is produced efficiently and in high yield under mild temperatures in a single step, reducing energy consumption and simplifying the process.
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Abstract
A method for producing tetrafluoroethylene using fluorocarbons as a raw material, and a composition containing tetrafluoroethylene are provided. [Solution] The production method disclosed herein includes a step of obtaining tetrafluoroethylene by treating pentafluoroethane with a basic compound. The composition disclosed herein contains tetrafluoroethylene and pentafluoroethane. According to the production method for tetrafluoroethylene disclosed herein, tetrafluoroethylene can be obtained at a mild temperature through a simple process.
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