Azeotrope and azeotrope-like compositions of 1-bromopropane and

Details Azeotrope and azeotrope-like compositions of 1-bromopropane and Azeotrope and azeotrope-like compositions of 1-bromopropane and

1998-07-09

2000-04-11

Skane, Christine

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Liquid composition

510408, 510410, 510411, 252364, 134 40, 134 42, C11D 730, C11D 726, C11D 750, B08B 304

Patent

active

060488336

ABSTRACT:
This invention provides a solvent composition comprising 1-bromopropane and a decafluoropentane for use as a cleaning and degreasing solvent. Preferably the decafluoropentane consists essentially of 1,1,1,2,3,4,4,5,5,5-decafluoropentane. The solvent composition optionally includes stabilizers and co-solvents such alcohols, ketones, ethers, acetals, nitroalkanes, epoxides and amines. Specific compositions of 1-bromopropane, 1,1,1,2,3,4,4,5,5,5-decafluoropentane and optional stabilizers provide azeotrope compositions that are particularly well suited as cleaning and degreasing solvents.

REFERENCES:
patent: 4652389 (1987-03-01), Moll
patent: 5064559 (1991-11-01), Merchant et al.
patent: 5492645 (1996-02-01), Oshima et al.
patent: 5531916 (1996-07-01), Merchant
patent: 5792277 (1998-08-01), Shubkin et al.
patent: 5824162 (1998-10-01), Clark

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