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Azeotrope-like compositions of (Z)-1-chloro-3,3,3-trifluoropropene and hydrogen fluoride

A technology of trifluoropropene and composition, applied in the field of azeotrope-like composition of (Z)-1-chloro-3,3,3-trifluoropropene and hydrogen fluoride, capable of solving problems such as global warming

Inactive Publication Date: 2018-04-27
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There has been some concern in recent years that certain long-lived fluorocarbons could contribute, albeit in a small way, to global warming

Method used

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  • Azeotrope-like compositions of (Z)-1-chloro-3,3,3-trifluoropropene and hydrogen fluoride
  • Azeotrope-like compositions of (Z)-1-chloro-3,3,3-trifluoropropene and hydrogen fluoride

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Experimental program
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Effect test

Embodiment 1

[0029] 60 g of 1233zd(Z) was dissolved in 40 g of HF to form a heteroazeotropic mixture. The experiment was performed at 25°C and 14.6 psia.

Embodiment 2

[0031] Binary compositions containing only 1233zd(Z) and HF were mixed to form heteroazeotropic mixtures of different compositions. The vapor pressure of the mixture was measured at about 0°C, 25°C and 60°C and the following results were obtained.

[0032] Table 1 shows the vapor pressure measurements of 1233zd(Z) and HF as a function of HF weight percent composition at constant temperatures of about 0°C, 25°C, and 61°C. The data show that 1233zd(Z) and HF form a heterogeneous mixture.

[0033] Table 1 Pressure vs. composition measurements of 1233zd(Z) and HF at 0°C, 25°C and 60°C HF T = 0°C T = 25°C T = 60°C

[0034]

[0035] These data also show that the mixture is an azeotrope, since the vapor pressure of the mixture of 1233zd(Z) and HF at all mixing ratios shown is higher than that of 1233zd(Z) and HF alone (i.e., as in the first row when HF is 0wt% and 1233zd(Z) at 100 wt%, and the last row where 1233zd(Z) is 0 wt% and HF is 100 wt%) is higher. Table 1 data are also...

Embodiment 3

[0037] The azeotropic composition of the 1233zd(Z) / HF mixture was also confirmed by vapor-liquid-liquid equilibrium (VLLE) experiments. Here, 66.6 g of 1233zd(Z) were dissolved in 33.4 g of HF at 26° C. to form a heterogeneous mixture (by visual inspection). Vapor composition, top liquid (HF rich), and bottom liquid (organic) were sampled. The results show that the azeotropic composition is about 26±3 wt% HF at 26°C.

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Abstract

Disclosed are azeotropic and azeotrope-like mixtures of (Z)-1-chloro-3,3,3-trifluoropropene (1233zd(Z)) and hydrogen fluoride. Such compositions are useful as an intermediate in the production of 1233zd(Z). The latter compound is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent, aerosol propellant, heat transfer medium, dielectric, fire extinguishing composition and power cycle working fluid.

Description

[0001] This application is a divisional application of an invention patent application. The application date of the parent case is December 1, 2011, the application number is 201180058168.2 (PCT / US2011 / 062884), and the invention name is "(Z)-1-chloro -Azeotrope-like compositions of 3,3,3-trifluoropropene and hydrogen fluoride". [0002] Cross References to Related Applications [0003] This application claims domestic priority to commonly owned, co-pending US Provisional Patent Application Serial No. 61 / 419322, filed December 3, 2010, the disclosure of which is hereby incorporated by reference. technical field [0004] The present invention relates to azeotropic and azeotrope-like compositions of (Z)-1-chloro-3,3,3-trifluoropropene (cis-1233zd or 1233zd(Z)) with hydrogen fluoride (HF). Background technique [0005] There has been some concern in recent years that certain long-lived fluorocarbons could contribute, albeit in a small way, to global warming. Consequently, worl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/04
CPCC09K5/04A62D1/0057B01D3/36C01B7/191C09K3/30C09K5/044C11D7/5045C07C21/18C07C17/38C07C19/10C09K5/00A01N25/06
Inventor R.赫尔斯H.T.范
Owner HONEYWELL INT INC