Title:
AZEOTROPIC COMPOSITION COMPRISING FLUORINE-CONTAINING ETHER AND METHANOL
Document Type and Number:
Japanese Patent JP2585982
Kind Code:
B2
Abstract:
PURPOSE: To obtain a novel azeotropic or azeotrope-like composition which is useful as a cleaning solvent, draining and drying solvent or the like because it has excellent cleaning effect and can be readily recycled with no anxiety of the ozone layer depletion.
CONSTITUTION: This azeotropic or azeotrope-like composition comprises difluoromethyl 2,2,3,4,4,4-hexafluorobutyl ether and methanol, particularly 10-22 mole % of the former and 78-90 mole % of the latter. In addition, the solvents for cleaning car draining and drying contain this composition.
Inventors:
MOCHIZUKI JUJI
YAMASHITA SHIRO
ITO HARUAKI
GOTO YOSHIHIKO
SUGA ATSUO
NAGASAKI NOBUTAKA
SEKYA AKIRA
YAMASHITA SHIRO
ITO HARUAKI
GOTO YOSHIHIKO
SUGA ATSUO
NAGASAKI NOBUTAKA
SEKYA AKIRA
Application Number:
JP5141995A
Publication Date:
February 26, 1997
Filing Date:
March 10, 1995
Export Citation:
Assignee:
KOGYO GIJUTSU INCHO
CHIKYU KANKYO SANGYO GIJUTSU KENKYU KIKO
MITSUI DEYUHON FUROROKEMIKARU KK
KANTO DENKA KOGYO KK
SHOWA DENKO KK
SENTORARU GARASU KK
ASAHI GARASU KK
TOSOO KK
CHIKYU KANKYO SANGYO GIJUTSU KENKYU KIKO
MITSUI DEYUHON FUROROKEMIKARU KK
KANTO DENKA KOGYO KK
SHOWA DENKO KK
SENTORARU GARASU KK
ASAHI GARASU KK
TOSOO KK
International Classes:
B01D12/00; C07C31/04; C07C43/12; C11D7/50; C23G5/032; H05K3/26; (IPC1-7): C07C43/12; B01D12/00; C07C31/04; C11D7/50; C23G5/032
Attorney, Agent or Firm:
Yamaguchi Kazu (1 person outside)
Yamaguchi Kazu
Yamaguchi Kazu
Yamaguchi Kazu
Yamaguchi Kazu