Title:
2H,3H-PERFLUOROBUTANE CONTAINING SOLVENT FOR CLEANING
Document Type and Number:
Japanese Patent JPH05214371
Kind Code:
A
Abstract:
PURPOSE: To obtain the subject alternative CFC solvent used for removing clothes soil, processing oils for precision instrument parts, optical instrument parts, etc., and fluxes used for soldering electric and electronic parts and composed of perfluorobutane as an effective ingredient.
CONSTITUTION: The objective solvent preferably contains ≥70wt.% 2H, 3H- perfluorobutane. When needed, the solvent can be made to contain hydrocarbons, ketones, ethers, chlorinated hydrocarbons, etc.
Inventors:
YAMASHITA IZUMI
MURANAKA FUMIO
MURANAKA FUMIO
Application Number:
JP1931292A
Publication Date:
August 24, 1993
Filing Date:
February 05, 1992
Export Citation:
Assignee:
ASAHI CHEMICAL IND
International Classes:
B23K1/00; B23K35/363; C11D7/30; C11D7/50; C23G5/028; H05K3/26; (IPC1-7): B23K1/00; B23K35/363; C11D7/30; C11D7/50; C23G5/028; H05K3/26