Title:
AZEOTROPIC COMPOSITION, PSEUDOAZEOTROPIC COMPOSITION AND MIXED COMPOSITION
Document Type and Number:
Japanese Patent JP2019157023
Kind Code:
A
Abstract:
To provide an azeotropic composition, a pseudoazeotropic composition and a mixed composition each including 1,1,2,2-tetrafluoro-3-butanone that have a low impact on the environment, have high safety and reduce the composition change in use and during storage.SOLUTION: The azeotropic composition is composed of 23.3 mass% of 1,1,2,2-tetrafluoro-3-butanone (HFK-354pc) and 76.7 mass% of trans-1,2-dichloroethylene (tDCE). The pseudoazeotropic composition is composed of 15.3 to 32.0 mass% of HFK-354pc and 68.0 to 84.7 mass% of tDCE. The mixed composition contains 10 to 40 mass% of HFK-354pc and 60 to 90 mass% of tDCE.SELECTED DRAWING: Figure 1
Inventors:
YAMAMOTO HIROSHI
HAMADA TAKASHI
HAMADA TAKASHI
Application Number:
JP2018047719A
Publication Date:
September 19, 2019
Filing Date:
March 15, 2018
Export Citation:
Assignee:
AGC INC
International Classes:
C09K5/04; C09K3/00; C11D7/30; C11D7/50
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office