Dichloropentafluoropropane-containing compositions for removing

Details Dichloropentafluoropropane-containing compositions for removing Dichloropentafluoropropane-containing compositions for removing

1991-02-27

1992-04-07

Pal, Asok

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 2219, 252172, 570134, B08B 308

Patent

active

051024691

ABSTRACT:
Compositions are described based on hydrogen-containing fluorochlorohydrocarbons selected from the dichloropentafluoropropanes which contain defined amounts of specific surface-active substances selected from the group consisting of straight-chain alkylamines having 9 to 12 carbon atoms, straight chain carboxylic acids having 9 to 12 carbons atoms, branched alkylamines having 8 to 12 carbon atoms, branched carboxylic acids having 8 to 12 carbon atoms, alkyl phosphates, aryl phosphates, mixed alkyl/aryl phosphates, salts of the foregoing alkylamines with the foregoing carboxylic acids, and salts of straight-chain or branched C8- to C12-alkylamines with alkyl, aryl or mixed alkyl/aryl mono- or diesters of phosphoric acid. A process for using these compositions to remove water from surfaces of a wide variety of articles and from a wide variety of materials is also described.

REFERENCES:
patent: 3332840 (1967-07-01), Regan
patent: 3585245 (1971-06-01), Regan
patent: 4980324 (1990-12-01), Kellner et al.

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