Compositions and processes for drying substrates

Details Compositions and processes for drying substrates Compositions and processes for drying substrates

1997-10-28

1999-06-01

Hardee, John R.

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Specific organic component

510499, 134 2, C11D 306, C11D 330, C11D 324

Patent

active

059088222

ABSTRACT:
Novel surfactants and drying and/or cleaning compositions containing such surfactants are disclosed. The surfactants are 1:1 primary or secondary amine salts of .gamma..omega.-perfluoro-C.sub.6 -C,.sub.8 -alkyl dihydrogen phosphates and bis(y,co-perfluoro-C.sub.6 -Cis-alkyl) hydrogen phosphates. The surfactants are soluble in, and convert halocarbons, especially HFC 43-10mee (1,1,1,2,2,3,4,5,5,5-decafluoropentane), into highly effective displacement drying and/or cleaning compositions. These compositions have the ability to remove water or aqueous films from the surface of a broad range of substrates.

REFERENCES:
patent: 5514301 (1996-05-01), Bil et al.
patent: 5610128 (1997-03-01), Zyhowski et al.
CAS and Derwent Abstracts for JP 7-244,839, JP 3-91566 and JP 52-114,623.

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