TERTIARY AZEOTROPE AND AZEOTROPE-LIKE COMPOSITIONS FOR SOLVENT AND CLEANING APPLICATIONS
The present application provides tertiary azeotrope or azeotrope-like compositions comprising trans-dichloroethylene and two additional components. Methods of using the compositions provided herein in cleaning, defluxing, deposition, and carrier fluid applications are also provided.
1 . A composition, comprising:
i) trans-1,2-dichloroethylene;
ii) a second component which is a hydrofluoroether selected from HFE-7200 and HFE-7300; and
iii) a third component which is methyl perfluoroheptene ether.
2 . The composition of claim 1 , wherein the composition does not further comprise a compound selected from a C 1-6 alcohol, a C 3-6 ketone, a C 5-8 alkane, a C 3-6 cycloalkane, and a C 1-6 alkyl acetate.
3 . The composition of claim 1 , wherein the composition does not further comprise a compound selected from methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate.
4 . The composition of claim 1 , which is an azeotrope composition.
5 . The composition of claim 1 , which is an azeotrope-like composition.
6 . (canceled)
7 . (canceled)
8 . The composition of claim 1 , wherein the composition comprises about 5 weight percent to about 45 weight percent HFE-7200.
9 . The composition of claim 1 , wherein the composition comprises about 1 weight percent to about 30 weight percent HFE-7300.
10 . (canceled)
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17 . The composition of claim 1 , wherein the methyl perfluoroheptene ether comprises a mixture of about 50 weight percent 5-methoxy perfluoro-3-heptene, about 20 weight percent 3-methoxy perfluoro-3-heptene, about 20 weight percent 4-methoxy perfluoro-2-heptene, and about 8 weight percent 4-methoxy perfluoro-3-heptene.
18 . The composition of claim 1 , wherein the composition comprises about 1 weight percent to about 5 weight percent methyl perfluoroheptene ether.
19 . The composition of claim 1 , wherein the composition comprises about 65 weight percent to about 98 weight percent trans-1,2-dichloroethylene.
20 . (canceled)
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26 . The composition of claim 1 , wherein the composition comprises trans-1,2-dichloroethylene, HFE-7300, and methyl perfluoroheptene ether.
27 . The composition of claim 1 , wherein the composition comprises:
i) about 75 weight percent to about 90 weight percent trans-1,2-dichloroethylene;
ii) about 5 weight percent to about 20 weight percent HFE-7300; and
iii) about 1 weight percent to about 5 weight percent methyl perfluoroheptene ether.
28 . (canceled)
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30 . (canceled)
31 . A method for removing at least a portion of residue from the surface of a substrate comprising contacting the substrate with the composition of claim 1 .
32 . (canceled)
33 . (canceled)
34 . The method of claim 33 , wherein the composition further comprises a surfactant, said contacting is accomplished by vapor degreasing and the vapor degreasing is performed by boiling the composition to form vapors of said composition and exposing at least a portion of residue from the surface of a substrate to said vapors.
35 . (canceled)
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42 . The method of claim 31 , wherein the substrate is selected from stainless steel and magnetic disk media.
43 . The method of claim 31 , wherein the residue is selected from flux, lubricant, grease, oil, wax, and combination thereof.
44 . A process for dissolving a solute, comprising contacting and mixing said solute with a sufficient quantity of the composition of claim 1 .
45 . A process of cleaning a surface, comprising contacting the composition of claim 1 with said surface.
46 . A process for removing at least a portion of water from the surface of a wetted substrate, comprising contacting the substrate with the composition of claim 1 , and then removing the substrate from contact with the composition, wherein composition further comprises at least one surfactant suitable for dewatering or drying the substrate.
47 . (canceled)
48 . A process of depositing a fluorolubricant on a surface, comprising:
a) combining a fluorolubricant and a solvent to form a lubricant-solvent combination, wherein the solvent comprises a composition of claim 1 :
b) contacting the lubricant-solvent combination with the surface; and
c) evaporating the solvent from the surface to form a fluorolubricant coating on the surface.