1,1,1,3,3-PENTAFLUOROBUTANE-CONTAINING COMPOSITIONS AND APPLYING THESE COMPOSITIONS Russian patent published in 2004 - IPC

Abstract RU 2236484 C2

FIELD: organic chemistry.

SUBSTANCE: invention relates to 1,1,1,3,3-pentafluorobutane-containing compositions. The composition for reducing ignitability comprises 1,1,1,3,3-pentafluorobutane and 5-90 wt.-% of at least one non-igniting fluoro-containing compound that has no ignition temperature determined by according norm ISO 1523 and taken among fluorohydrocarbons comprising 5 carbon atoms, not less, perfluorocarbon comprising 5 carbon atoms, not less, fluoro-containing amines and fluoro-containing ethers comprising 4 carbon atoms, not less, and having boiling point 15oC or above at 101.3 kPa. The composition comprises additionally non-fluorinated organic solvent taken among hydrocarbons, halogenated hydrocarbons, aliphatic, alicyclic or aromatic esters or ketones, alcohols or ethers. The composition is used as solvents, such as drying agent and solvent for defatting and as a substituted of CFC-113 (1,1,2-trichlorotrifluoroethane).

EFFECT: reduced ignitability.

11 cl, 3 tbl, 12 ex

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RU 2 236 484 C2

Authors

Durnel' P'Er

Bartelemi P'Er

Dates

2004-09-20Published

1999-12-10Filed