C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/33
C11D 3/16 (2006.01) F26B 5/00 (2006.01)
Patent
CA 1038253
TITLE OF THE INVENTION COMPOSITION AND PROCESS FOR DRYING WATER-WET SURFACES ABSTRACT OF THE DISCLOSURE A liquid composition, and a process using the com- position, for drying water-wet surfaces, which composition comprises: (1) 1,1,2-trichloro-1,2,2-trifluoroethane, (2) 0.01 to 10 weight %, based on the weight of 1,1,2-trichloro-1,2,2-trifluoroethane, of a solute phosphate salt of (i) a monoalkyl or dialkyl phosphate ester, or a mixture thereof, wherein each alkyl group contains 6 to 20 carbon atoms, and (ii) sufficient saturated aliphatic amine con- taining 6 to 20 carbon atoms and having 1 to 3 alkyl groups attached to the amine nitrogen atom to at least neutralize the phosphate ester, and (3) 0.025 to 1 weight %, based on the weight of 1,1,2-trichloro-1,2,2-trifluoroethane, of a partially oleated N,N,N',N'-tetrakis-(2-hydroxy- propyl)ethylenediamine containing an average of about two oleate ester groups and quaternized with 0.7 to 1.7 moles (per mole of the ethylenediamine) of dimethyl sulfate.
216180
Giger Hans R.
Stavras Spyridon
E.i. Du Pont de Nemours And Company
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