Tertiary azeotrope and azeotrope-like compositions for solvent and cleaning applications

Abstract

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, flux removal, deposition, and carrier fluid applications are also provided.

Description

[Technical field]

[0001] The present invention relates to tertiary azeotrope or azeotrope-like compositions comprising trans-dichloroethylene and two additional components. The compositions described herein may be useful, for example, in cleaning and flux removal fluid applications. [Background technology]

[0002] Chlorofluorocarbon (CFC) and hydrofluorocarbon (HFC) compounds are widely used in the semiconductor manufacturing field to clean surfaces such as magnetic disk media. However, chlorine-containing compounds such as CFC compounds are considered harmful to the Earth's ozone layer. Furthermore, many of the hydrofluorocarbons used to replace CFC compounds have been found to contribute to global warming. Thus, there is a need to identify new environmentally safe solvents for cleaning applications such as removal of residual flux, lubricant or oil contaminants, and particles. There is also a need to identify new solvents for the deposition of fluorinated lubricants. Summary of the Invention [Means for solving the problem]

[0003] The present application relates, inter alia, to a composition comprising: i) trans-1,2-dichloroethylene, ii) a second component which is a hydrofluoroether; and and iii) a third component selected from compounds selected from hydrofluorocarbons and alkyl perfluoroalkene ethers.

[0004] The present application further provides a process for removing at least a portion of a residue from a surface of a substrate, the process comprising contacting the substrate with a sufficient amount of a composition described herein.

[0005] The present application further provides a process for dissolving a solute, the process comprising contacting and mixing the solute with a sufficient amount of a composition described herein.

[0006] The present application further provides a process for removing at least a portion of water from a surface of a wet substrate, the process comprising contacting the substrate with a composition described herein and then removing the substrate from contact with the composition.

[0007] The present application relates to a process for depositing a fluorolubricant on a surface, comprising: a) combining a fluorolubricant with a solvent to form a lubricant / solvent combination, the solvent comprising a composition provided herein; 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.

[0008] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention belongs. Methods and materials for use in the present invention are described herein, and other suitable methods and materials known in the art may be used. The materials, methods, and examples are merely illustrative and are not intended to be limiting. All publications, patent applications, patents, sequences, database entries, and other references mentioned herein are incorporated herein by reference in their entirety. In case of conflict, the present specification, including definitions, will control. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Non-flammable fluorinated solvent-based cleaning agents are useful in industrial vapor degreasing and flux removal applications. Hydrofluorocarbons (HFCs) and their mixtures have been successful in critical cleaning applications due to their combination of good safety and health properties, zero ozone depletion, good solubility, and low viscosity properties. Recent environmental concerns and regulations have shifted from ozone depletion to global warming in terms of global treaties (e.g., F-Gas regulations in the European Union, SNAP regulations in the United States, etc.). Thus, applications exist for alternative cleaning agents that are environmentally sustainable and have low GWP. Furthermore, azeotropic and azeotrope-like compositions are desirable for critical cleaning applications because they do not fractionate upon distillation, condensation, or remixing. Thus, azeotropic and azeotrope-like compositions provide consistent cleaning performance, minimize solvent maintenance time, and increase production throughput. High solubility is also desirable for flux residue removal from lead-free and no-clean solders on electronic components, and for degreasing.

[0010] Thus, the present application provides new tertiary azeotropic and azeotrope-like compositions comprising a mixture of trans-dichloroethylene and two additional components. These compositions have utility in many applications previously served by HFC compounds. The compositions of the present application possess some or all of the desirable properties described above, have little or no environmental impact, and possess the ability to dissolve oil, grease, and / or flux. Thus, the compositions provided herein may be useful as cleaners, flux removers, and / or degreasers.

[0011] Definitions and Abbreviations As used herein, the terms "comprises," "comprising," "includes," "including," "has," "having," or any other variation thereof, are intended to cover non-exclusive inclusions. For example, a process, method, article, or apparatus that includes a list of elements is not necessarily limited to only those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless expressly stated to the contrary, "or" refers to an inclusive "or" and not an exclusive "or." For example, a condition A or B is satisfied by any one of the following: A is true (or present) and B is false (or absent), A is false (or absent) and B is true (or present), and both A and B are true (or present).

[0012] As used herein, the term "consisting essentially of" is used to define compositions, methods that include materials, steps, features, ingredients, or elements in addition to those literally disclosed, provided that these additionally included materials, steps, features, components, or elements do not materially affect the basic and novel characteristics of the claimed invention, particularly the mechanism of action for achieving any desired result of the inventive process. The terms "consists essentially of" or "consisting essentially of" occupy a middle ground between "comprising" and "consisting of."

[0013] Additionally, the use of "a" or "an" is used to describe elements and components described herein. This is done merely for convenience and to give a general sense of the scope of the invention. This description should be interpreted to include one or at least one, and the singular also includes the plural unless it is clear that a different meaning is intended.

[0014] As used herein, the term "about" is meant to account for variations due to experimental error (e.g., plus or minus about 10% of the indicated value). All measurements reported herein are understood to be modified by the term "about," unless otherwise indicated, regardless of whether the term "about" is explicitly used.

[0015] Throughout the definition, "C n~m " denotes a range inclusive of the endpoints, where n and m are integers and indicate the number of carbons. Examples include C 1~6 , C 5~8 etc.

[0016] As used herein, "C n~m The term "alkyl" refers to a saturated hydrocarbon group having n to m carbons, which may be linear or branched. Exemplary alkyl moieties include, but are not limited to, methyl, ethyl, n-propyl, isopropyl, n-butyl, tert-butyl, isobutyl, sec-butyl, n-pentyl, 3-pentyl, n-hexyl, n-heptyl, n-octyl, and the like. In some embodiments, an alkyl group contains 1 to 8 carbon atoms, 5 to 8 carbon atoms, 1 to 6 carbon atoms, 1 to 3 carbon atoms, or 1 to 2 carbon atoms.

[0017] As used herein, "C n~m The term “alcohol” refers to a compound of the formula (C n~m Alcohols refer to the group of (alkyl)-OH, where the alkyl group has n to m carbon atoms. Exemplary alcohols include, but are not limited to, methanol, ethanol, propanol, isopropanol, and butanol. In some embodiments, the alcohol is 1~6 It's alcohol.

[0018] As used herein, "C n~m The term “ketone” refers to a compound of the formula (C n~m Alkyl)C(O)(C n~mketones include, but are not limited to, dimethyl ketone (i.e., acetone), ethyl methyl ketone, diethyl ketone, and the like. In some embodiments, the ketone is 3~6 It is a ketone.

[0019] As used herein, "C n~m The term "alkane" refers to a saturated hydrocarbon compound having n to m carbons, which may be linear or branched. Exemplary alkanes include, but are not limited to, methane, ethane, n-propane, isopropane, n-butane, tert-butane, isobutane, sec-butane, n-pentane, 3-pentane, n-hexane, n-heptane, n-octane, and the like. In some embodiments, an alkane is a C 5~8 It is an alkane.

[0020] As used herein, "C n~m The term "cycloalkane" refers to a non-aromatic cyclic hydrocarbon compound having n to m carbon atoms. Exemplary cycloalkanes include, but are not limited to, cyclopropane, cyclobutane, cyclopentane, cyclohexane, cycloheptane, cyclooctane, and the like. In some embodiments, the cycloalkane is a C 3~6 It is a cycloalkane.

[0021] As used herein, "C n~m The term "alkyl acetate" refers to a compound of the formula (C n~m alkyl)OC(O)CH3, where alkyl has n to m carbon atoms. Exemplary alkyl acetates include, but are not limited to, methyl acetate (i.e., CH3OC(O)CH3), ethyl acetate (i.e., CH3CH2OC(O)CH3), propyl acetate (i.e., CH3CH2CH2OC(O)CH3), isopropyl acetate (i.e., (CH3)2CHOC(O)CH3), and the like. In some embodiments, the alkyl acetate is C 1~6In some embodiments, the alkyl acetate is 1~3 It is an alkyl acetate.

[0022] When an amount, concentration, or other value or parameter is given as either a range, a preferred range, or a list of upper and / or lower preferred values, these are to be understood as specifically disclosing all ranges formed from any pair of any upper range value or preferred upper value and any lower range value or preferred lower value, whether or not the ranges are separately disclosed. When a numerical range is described herein, unless otherwise indicated, the range is intended to include the endpoints thereof, and to include all integers and fractions within the range.

[0023] As recognized in the art, an azeotropic composition is a mixture of two or more distinct components which, when in liquid form, (1a) boils at a substantially constant temperature at a given constant pressure (which may be higher or lower than the boiling temperatures of the individual components), or (1b) boils at a substantially constant pressure at a given constant temperature (which may be higher or lower than the boiling pressures of the individual components), and (2) boils at a substantially constant composition (the phase compositions are constant, but not necessarily equal) (see, e.g., M. F. Doherty and M. F. Solone, Conceptual Design of Distillation Systems, McGraw-Hill (New York), 2001, 185).

[0024] A homogeneous azeotrope, in which a single vapor phase is in equilibrium with a single liquid phase, has the above properties (1a), (1b), and (2), in addition to which the composition of each component is the same in each of the coexisting equilibrium phases. The general term "azeotrope" is a commonly used alternative name for homogeneous azeotrope.

[0025] As used herein, an "azeotrope-like" composition refers to a composition that behaves like an azeotropic composition (i.e., has constant boiling properties or a tendency not to fractionate upon boiling or evaporation). Thus, during boiling or evaporation, the vapor and liquid compositions change only minimally or negligibly, if at all. In contrast, the vapor and liquid compositions of a non-azeotrope-like composition change to a significant extent during boiling or evaporation.

[0026] As used herein, the term "azeotrope-like" or "azeotrope-like behavior" refers to a composition that exhibits dew point pressure and bubble point pressure with virtually no pressure difference. In some embodiments, the difference between the dew point pressure and the bubble point pressure at a given temperature is 3% or less. In some embodiments, the difference between the bubble point pressure and the dew point pressure is 5% or less.

[0027] chemical abbreviations The following abbreviations may be used throughout this application: CFCs: Chlorofluorocarbons t-DCE: trans-1,2-dichloroethylene HFC: Hydrofluorocarbon HFCP: 1,1,2,2,3,3,4-heptafluorocyclopentane HFE: Hydrofluoroether HFE-7000: Perfluoroisopropyl methyl ether HFE-7100: A mixture of 1-methoxyperfluorobutane and 1-methoxyperfluoroisobutane HFE-7200: A mixture of 1-ethoxyperfluorobutane and 1-ethoxyperfluoroisobutane HFE-7300: 3-Methoxyperfluoroisohexane HFE-347pc-f: 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether MPHE: Methyl perfluoroheptene ether Novec™ 7300: 1,1,1,2,2,3,4,5,5,5-decafluoro-3-methoxy-4-(trifluoromethyl)pentane Novec 7200: Ethyl nonafluorobutyl ether Azeotropic and azeotrope-like compositions

[0028] The present application relates to a composition comprising: i) trans-1,2-dichloroethylene, ii) a second component which is a hydrofluoroether; and and iii) a third component selected from compounds selected from hydrofluorocarbons and alkyl perfluoroalkene ethers.

[0029] In some embodiments, the composition comprises C 1~6 Alcohol, C. 3~6 Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 It further does not include any compound selected from alkyl acetates.

[0030] In some embodiments, the composition comprises C 1~6 Alcohol, C. 3~6 Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 It further does not include any compound selected from alkyl acetates.

[0031] In some embodiments, the composition comprises C 1~6 Alcohol, C. 3~6 Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 In some embodiments, the composition does not further comprise two or more compounds selected from alkyl acetates. 1~6 Alcohol, C. 3~6 Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 In some embodiments, the composition does not further comprise three or more compounds selected from alkyl acetate. 1~6 Alcohol, C. 3~6Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 In some embodiments, the composition does not further comprise four or more compounds selected from alkyl acetates. 1~6 Alcohol, C. 3~6 Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 In some embodiments, the composition does not further comprise five or more compounds selected from alkyl acetates. 1~6 Alcohol, C. 3~6 Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 In some embodiments, the composition does not further comprise six or more compounds selected from alkyl acetates. 1~6 Alcohol, C. 3~6 Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 In some embodiments, the composition does not further comprise six or more compounds selected from alkyl acetates. 1~6 Alcohol, C. 3~6 Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 It further contains no alkyl acetate.

[0032] In some embodiments, the composition comprises C 1~6 In some embodiments, the composition further comprises: 3~6 In some embodiments, the composition further comprises a C 5~8 In some embodiments, the composition further comprises no alkane. 3~6 In some embodiments, the composition further does not include a cycloalkane. 1~6 It further contains no alkyl acetate.

[0033] In some embodiments, the composition does not further comprise a compound selected from methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate. In some embodiments, the composition does not further comprise a compound selected from methanol, ethanol, and isopropanol. In some embodiments, the composition does not further comprise acetone. In some embodiments, the composition does not further comprise n-hexane. In some embodiments, the composition does not further comprise cyclopentane. In some embodiments, the composition does not further comprise ethyl acetate.

[0034] In some embodiments, the composition does not further comprise one or more compounds selected from methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate. In some embodiments, the composition does not further comprise two or more compounds selected from methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate. In some embodiments, the composition does not further comprise three or more compounds selected from methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate. In some embodiments, the composition does not further comprise four or more compounds selected from methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate. In some embodiments, the composition does not further comprise five or more compounds selected from methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate. In some embodiments, the composition does not further comprise six or more compounds selected from methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate. In some embodiments, the composition further does not include methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate.

[0035] In some embodiments, the composition is an azeotropic (i.e., azeotropic) composition. In some embodiments, the second and third components are present in the composition in amounts effective to form an azeotropic composition with trans-1,2-dichloroethylene. In some embodiments, the composition is an azeotrope-like composition. In some embodiments, the second and third components are present in the composition in amounts effective to form an azeotrope-like composition with trans-1,2-dichloroethylene.

[0036] In some embodiments, the hydrofluoroether is selected from HFE-7000, HFE-7100, HFE-7200, HFE-7300, and HFE-347pc-f. In some embodiments, the hydrofluoroether is selected from HFE-7200 and HFE-7300. In some embodiments, the hydrofluoroether is HFE-720. In some embodiments, the hydrofluoroether is HFE-7300.

[0037] In some embodiments, the composition comprises about 5 weight percent to about 45 weight percent HFE-7200. In some embodiments, the composition comprises about 5 to about 40, about 5 to about 38, about 7 to about 35, about 10 to about 30, about 12 to about 28, about 15 to about 25, or about 15 to about 23 weight percent HFE-7200. In some embodiments, the composition comprises about 10 to about 30 weight percent HFE-7200. In some embodiments, the composition comprises about 33, about 25, about 15, or about 10 weight percent HFE-7200. In some embodiments, the composition comprises about 23 weight percent HFE-7200. In some embodiments, the composition comprises about 15 weight percent HFE-7200.

[0038] In some embodiments, the composition comprises about 1 weight percent to about 30 weight percent of HFE-7300. In some embodiments, the composition comprises about 1 to about 28, about 1 to about 25, about 3 to about 25, about 5 to about 25, about 5 to about 22, or about 5 to about 20, about 7 to about 18, about 10 to about 15, or about 11 to about 13 weight percent of HFE-7300. In some embodiments, the composition comprises about 1 to about 20 weight percent of HFE-7300. In some embodiments, the composition comprises about 5 to about 20 weight percent of HFE-7300. In some embodiments, the composition comprises about 3, about 4, about 6, about 10, about 12, about 14, about 15, about 17, about 18, or about 19 weight percent of HFE-7300. In some embodiments, the composition comprises about 12 weight percent of HFE-7300.

[0039] In some embodiments, the third component is a hydrofluorocarbon. In some embodiments, the hydrofluorocarbon is selected from heptafluorocyclopentane, pentafluorobutane, and pentafluoropropane. In some embodiments, the hydrofluorocarbon is heptafluorocyclopentane. In some embodiments, the hydrofluorocarbon is pentafluorobutane. In some embodiments, the hydrofluorocarbon is pentafluoropropane. In some embodiments, the hydrofluorocarbon is selected from 1,1,2,2,3,3,4-heptafluorocyclopentane, 1,1,1,3,3-pentafluorobutane, and 1,1,1,3,3-pentafluoropropane. In some embodiments, the hydrofluorocarbon is 1,1,2,2,3,3,4-heptafluorocyclopentane. In some embodiments, the hydrofluorocarbon is 1,1,1,3,3-pentafluorobutane. In some embodiments, the hydrofluorocarbon is 1,1,1,3,3-pentafluoropropane.

[0040] In some embodiments, the composition comprises from about 1 weight percent to about 30 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. In some embodiments, the composition comprises from about 1 to about 28, from about 1 to about 25, from about 1 to about 22, from about 1 to about 20, from about 1 to about 18, from about 1 to about 15, from about 3 to about 15, or from about 4 to about 15 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. In some embodiments, the composition comprises from about 1 to about 20 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. In some embodiments, the composition comprises from about 1 to about 15 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. In some embodiments, the composition comprises about 2, about 4, about 5, about 9, about 10, about 11, about 15, about 17, or about 22 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. In some embodiments, the composition comprises about 4 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. In some embodiments, the composition comprises about 9 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. In some embodiments, the composition comprises about 15 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0041] In some embodiments, the third component is an alkyl perfluoroalkene ether. In some embodiments, the alkyl perfluoroalkene ether is a methyl perfluoroheptene ether. In some embodiments, the methyl perfluoroheptene ether comprises a mixture of about 50 weight percent 5-methoxyperfluoro-3-heptene, about 20 weight percent 3-methoxyperfluoro-3-heptene, about 20 weight percent 4-methoxyperfluoro-2-heptene, and about 8 weight percent 4-methoxyperfluoro-3-heptene.

[0042] In some embodiments, the composition comprises from about 1 weight percent to about 5 weight percent methyl perfluoroheptene ether. In some embodiments, the composition comprises from about 1 to about 4, from about 2 to about 4, or from about 3 to about 4 weight percent methyl perfluoroheptene ether. In some embodiments, the composition comprises about 3, about 4, or about 5 weight percent methyl perfluoroheptene ether.

[0043] In some embodiments, the composition comprises about 65 weight percent to about 98 weight percent trans-1,2-dichloroethylene. In some embodiments, the composition comprises about 65 to about 95, about 65 to about 93, about 65 to about 92, or about 75 to about 80 weight percent trans-1,2-dichloroethylene. In some embodiments, the composition comprises about 65 to about 85, about 68 to about 82, about 70 to about 80, about 72 to about 80, or about 75 to about 80 weight percent trans-1,2-dichloroethylene. In some embodiments, the composition comprises about 75 to about 90 or about 65 to about 85 weight percent trans-1,2-dichloroethylene. In some embodiments, the composition comprises about 79, about 73, or about 70 weight percent trans-1,2-dichloroethylene.

[0044] In some embodiments, the composition comprises trans-1,2-dichloroethylene, HFE-7300, and heptafluorocyclopentane. In some embodiments, the composition comprises trans-1,2-dichloroethylene, HFE-7300, and 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0045] In some embodiments, the composition comprises: i) about 75 weight percent to about 90 weight percent trans-1,2-dichloroethylene; ii) about 1 weight percent to about 20 weight percent HFE-7300; and iii) about 1 weight percent to about 20 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0046] In some embodiments, the composition comprises: i) about 75 weight percent to about 85 weight percent trans-1,2-dichloroethylene; ii) about 5 weight percent to about 15 weight percent HFE-7300; and iii) about 1 weight percent to about 15 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0047] In some embodiments, the composition comprises: i) about 79 weight percent trans-1,2-dichloroethylene; ii) about 12 weight percent HFE-7300; and iii) about 9 weight percent 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0048] In some embodiments, the composition comprises trans-1,2-dichloroethylene, HFE-7200, and heptafluorocyclopentane. In some embodiments, the composition comprises trans-1,2-dichloroethylene, HFE-7200, and 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0049] In some embodiments, the composition comprises: i) about 65 weight percent to about 85 weight percent trans-1,2-dichloroethylene; ii) about 10 weight percent to about 30 weight percent HFE-7200; iii) about 1 weight percent to about 15 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0050] In some embodiments, the composition comprises: i) about 68 weight percent to about 78 weight percent trans-1,2-dichloroethylene; ii) about 18 weight percent to about 28 weight percent HFE-7200; iii) about 1 weight percent to about 8 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0051] In some embodiments, the composition comprises: i) about 73 weight percent trans-1,2-dichloroethylene; ii) about 23 weight percent HFE-7200; and iii) about 4 weight percent 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0052] In some embodiments, the composition comprises: i) about 65 weight percent to about 75 weight percent trans-1,2-dichloroethylene; ii) about 10 weight percent to about 20 weight percent HFE-7200; iii) about 10 weight percent to about 15 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0053] In some embodiments, the composition comprises: i) about 70 weight percent trans-1,2-dichloroethylene; ii) about 15 weight percent HFE-7200; and iii) about 15 weight percent 1,1,2,2,3,3,4-heptafluorocyclopentane.

[0054] In some embodiments, the composition comprises trans-1,2-dichloroethylene, HFE-7300, and methyl perfluoroheptene ether.

[0055] In some embodiments, 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.

[0056] In some embodiments, the composition comprises: i) about 80 weight percent to about 85 weight percent trans-1,2-dichloroethylene; ii) about 10 weight percent to about 15 weight percent HFE-7300; iii) about 1 weight percent to about 5 weight percent methyl perfluoroheptene ether.

[0057] How to use In some embodiments, the compositions described herein may be useful as cleaning agents, flux removers, and / or degreasers. Thus, the present application provides a process for cleaning a surface, comprising contacting the surface with a composition provided herein. In some embodiments, the process comprises removing residue from a surface or substrate, comprising contacting the surface or substrate with a composition provided herein, and recovering the surface or substrate from the composition. In some embodiments, the present application further provides a process for removing at least a portion of residue from a surface of a substrate, comprising contacting the substrate with a composition provided herein. In some embodiments, the present application further provides a process for dissolving a solute, comprising contacting and mixing the solute with a sufficient amount of a composition disclosed herein. In some embodiments, the present application further provides a process for cleaning a surface, comprising contacting the surface with a composition disclosed herein.

[0058] In some embodiments, the surface or substrate may be an integrated circuit device, in which case the residue comprises rosin flux or oil. The integrated circuit device may be a circuit board having various types of components, such as flip chip, μ∀BGA, or chip scale packaging components. The surface or substrate may additionally be a metal surface, such as stainless steel. The rosin flux may be any type commonly used in soldering integrated circuit devices, including, but not limited to, RMA (rosin mildly activated), RA (rosin activated), WS (water soluble), and OA (organic acid). The oil residue may include, but is not limited to, mineral oil, motor oil, and silicone oil. In some embodiments, the surface or substrate is a magnetic disk media. In some embodiments, the residue is a flux, lubricant, grease, oil, wax, or a combination thereof.

[0059] In some embodiments, the present application provides a process for removing at least a portion of the water from a wet substrate or surface or the surface of a device, comprising contacting the substrate, surface, or device with a composition provided herein, and then removing the substrate, surface, or device from contact with the composition.

[0060] In some embodiments, the compositions provided herein further comprise one or more additive components (i.e., the compositions comprise tolan-1,2-dichloroethylene, a second component described herein, a third component described herein, and one or more additive components described herein). Exemplary additives include, but are not limited to, propellants, surfactants, and fluorolubricants.

[0061] In some embodiments, the compositions described herein further comprise a propellant, which in some embodiments is air, nitrogen, carbon dioxide, 2,3,3,3-tetrafluoropropene, trans-1,3,3,3-tetrafluoropropene, 1,2,3,3,3-pentafluoropropene, difluoromethane, trifluoromethane, difluoroethane, trifluoroethane, tetrafluoroethane, pentafluoroethane, a hydrocarbon, dimethyl ether, or any mixture thereof.

[0062] In some embodiments, the composition provided herein further comprises at least one surfactant suitable for dehydrating or drying the substrate.Exemplary surfactants include, but are not limited to, alkyl dimethyl ammonium isooctyl phosphate, tert-alkyl amine (e.g., tert-butylamine), perfluoroalkyl phosphate, dimethyldecene amide, fluorinated alkyl polyether, quaternary amine (e.g., ammonium salt), and glycerol monostearate.

[0063] The means for contacting the device, surface, or substrate is not critical and can be accomplished, for example, by immersing the device, surface, or substrate in a bath containing a composition provided herein, spraying the device, surface, or substrate with a composition provided herein, or wiping the device, surface, or substrate with a material (e.g., a cloth) wetted with the composition. In some embodiments, the contacting is accomplished by immersing the substrate in the composition. In some embodiments, the composition is at a temperature higher than ambient or room temperature. In some embodiments, the composition is at a temperature about the boiling point of the composition. In some embodiments, the composition further comprises a second immersion of the substrate in the composition, the composition being at a temperature lower than the temperature of the first immersion step. In some embodiments, the composition in the second immersion step is at ambient or room temperature.

[0064] Alternatively, the compositions provided herein may be used in vapor degreasing or flux removal equipment designed for the removal of such residues. Such vapor degreasing or flux removal equipment is available from a variety of sources, such as Forward Technology (a subsidiary of Crest Group, Trenton, NJ), Trek Industries (Azusa, CA), and Ultronix, Inc. (Hatfield, PA). In some embodiments, vapor degreasing is performed by boiling the composition to form a vapor of the composition and exposing at least a portion of the residue from the surface of the substrate to the vapor.

[0065] The most advanced, highest density and lowest cost method of storing digital information involves writing and reading magnetic flux patterns from a rotating disk coated with a magnetic material. The magnetic layer, on which information in the form of bits is stored, is sputtered onto a metal support structure. An overcoat, usually a carbon-based material, is then placed over the magnetic layer for protection, and finally a lubricant is applied to the overcoat. A read-write head flies above the lubricant, and information is exchanged between the head and the magnetic layer. In a constant attempt to increase the efficiency of information transfer, hard drive manufacturers have reduced the distance between the head and the magnetic layer, or flying height, to less than 100 angstroms.

[0066] Naturally, during normal disk drive applications, the head will come into contact with the disk surface, which needs to be lubricated, both from the sliding contacts and the floating contacts, to reduce wear on the disk.

[0067] Fluorinated lubricants are widely used as lubricants in the magnetic disk drive industry to reduce friction between the head and the disk, thus reducing wear, and therefore minimizing the possibility of disk failure.

[0068] There is a need in the industry for improved methods for the deposition of fluorolubricants. The use of certain solvents, such as CFC-113 and PFC-5060, has been regulated due to their impact on the environment. Thus, the solvents to be used in this application should consider their impact on the environment. Such solvents should also dissolve the fluorolubricant and form a substantially uniform or homogeneous coating of the fluorolubricant. Additionally, it has been found that existing solvents require higher fluorolubricant concentrations to produce a given thickness coating, resulting in irregularities in the uniformity of the fluorolubricant coating.

[0069] In some embodiments, the present application provides a process for depositing a fluorolubricant on a surface, the process including combining a fluorolubricant with a solvent to form a lubricant / solvent combination, the solvent including a composition provided herein, contacting the lubricant / solvent combination with the surface, and evaporating the solvent from the surface to form a fluorolubricant coating on the surface.

[0070] In some embodiments, the fluorolubricant of the present disclosure includes perfluoropolyether (PFPE) compounds or lubricants that contain X-1P®, a phosphazene-containing disk lubricant. These perfluoropolyether compounds are sometimes referred to as perfluoroalkylether (PFAE) or perfluoropolyalkylether (PFPAE). These PFPE compounds range from simple perfluorinated ether polymers to functionalized perfluorinated ether polymers. Different types of PFPE compounds that may be useful as fluorolubricants in the present invention are available from several sources. In some embodiments, fluorine-based lubricants useful in the processes provided herein include, but are not limited to, Krytox® GLP100, GLP105 or GLP160 (The Chemours Co., LLC, Fluoroproducts, Wilmington, DE, 19898, USA), Fomblin® Z-Dol 2000, 2500 or 4000, Z-Tetraol, or Fomblin® AM2001 or AM3001 (sold by Solvay Solexis SpA, Milan, Italy), Demnum™ LR-200 or S-65 (provided by Daikin America, Inc., Osaka, Japan), X-1P® (a partially fluorinated hexaphenoxycyclotriphosphazene disc lubricant available from Quixtor Technologies Corporation, a subsidiary of Dow Chemical Co, Midland, MI), and mixtures thereof. Krytox® lubricants have the general structure F(CF(CF3)CF2O) n -CF2CF3, where n ranges from 10 to 60. Fomblin® lubricants have a molecular weight range of 500 to 4000 atomic mass units and have the general formula X-CF2-O(CF2-CF2-O) p -(CF2O) q-CF2-X (wherein X may be -CH2OH, p+q is 40 to 180, and p / q is 0.5 to 2), CH2(O-CH2-CH2) n OH (where n is 10-60), CHOCHCH(OH)CHOH, or -CHO-CH-piperonyl. Demnum™ oils are perfluoropolyether-based oils with a molecular weight range of 2700-8400 atomic mass units. In addition, new lubricants have been developed, such as those from Moresco (Thailand) Co., Ltd, that may be useful in the processes provided herein.

[0071] The fluorolubricant described herein may additionally contain additives to improve the properties of the fluorolubricant.X-1P®, which can function as a lubricant itself, is often added to other lower-cost fluorolubricants to enhance the durability of disk drives by inactivating the Lewis acid sites on the disk surface that are involved in PFPE decomposition.Other common lubricant additives may be used in the fluorolubricant useful in the process provided herein.

[0072] The fluorolubricants described herein may further include Z-DPA (Hitachi Global Storage Technologies, San Jose, Calif.), a PFPE terminated with a dialkylamine end group. The nucleophilic end group serves the same purpose as X1P®, thus providing the same stability without any additives.

[0073] The surface on which the fluorolubricant may be deposited is any solid surface that may benefit from lubrication. Semiconductor materials such as silica disks, metal or metal oxide surfaces, vapor-deposited carbon surfaces or glass surfaces represent types of surfaces that may be used in the processes described herein. In some embodiments, the processes provided herein are particularly useful for coating magnetic media such as computer drive hard disks. In the manufacture of computer disks, the surface may be a glass, or aluminum substrate, having a layer of magnetic media, which is also coated by vapor deposition of a thin (10-50 angstroms) layer of amorphous hydrogenated or nitrogenated carbon. The fluorolubricant may be deposited on the surface disk indirectly by applying the fluorolubricant to the carbon layer of the disk.

[0074] The first step of combining the fluorolubricant and the compositions provided herein (i.e., as a solvent) can be accomplished in any suitable manner, such as by mixing in a suitable vessel, such as a beaker or other vessel that can be used as a bath for the deposition process. The concentration of the fluorolubricant in the compositions provided herein can be from about 0.010 percent (w / w) to about 0.50 percent (w / w).

[0075] The step of contacting the combination of fluorolubricant and the composition provided herein with a surface can be accomplished in any manner appropriate for the surface (taking into account the size and shape of the surface). The hard drive disk needs to be supported in some manner, such as a mandrel or some other support that can fit through the hole in the center of the disk. Thus, the disk is held vertically so that the plane of the disk is perpendicular to the solvent bath. The mandrel can have different shapes, including but not limited to a cylindrical rod or a V-shaped rod. The mandrel shape will determine the contact area with the disk. The mandrel can be constructed of any material that is strong enough to hold the disk, including but not limited to metal, metal alloy, plastic, or glass. Additionally, the disk can be supported vertically upright in a woven basket or clamped in a vertical position with one or more clamps on the outer edge. The support can be constructed of any material that has the strength to hold the disk, such as metal, metal alloy, plastic, or glass. However the disk is supported, it is lowered into a vessel holding a bath of a fluorolubricant / solvent combination (i.e., the compositions provided herein). The bath may be held at room temperature or may be heated or cooled to a temperature ranging from about 0° C. to about 50° C.

[0076] Alternatively, the disk may be supported as described above and the bath may be raised to immerse the disk. In either case, the disk may then be removed from the bath (either by lowering the bath or by raising the disk). Excess fluorolubricant / solvent combination may be drained into the bath.

[0077] Any process of contacting the disk surface with the fluorolubricant / solvent combination, either by lowering the disk into the bath or by raising the bath and immersing the disk, is generally referred to as dip coating. Other processes for contacting the disk with the fluorolubricant / solvent combination, including but not limited to spraying or spin coating, can be used in the processes described herein.

[0078] When the disk is removed from the bath, it has a coating of fluorolubricant and some residual solvent (i.e., the composition provided herein) on its surface. The residual solvent is allowed to evaporate. Evaporation is typically carried out at room temperature. However, other temperatures, both above and below room temperature, may also be used in the evaporation step. Temperatures ranging from about 0° C. to about 100° C. may be used for evaporation.

[0079] The surface, or the disk if the surface is a disk, will be left with a substantially uniform or homogenous coating of the substantially solvent-free fluorolubricant after completion of the coating process. The fluorolubricant may be applied to a thickness of less than about 300 nm, and alternatively to a thickness of about 100 to about 300 nm.

[0080] Since a uniform fluorinated lubricant coating is required for proper functioning of the disk, areas of varying thickness of such fluorinated lubricant are undesirable on the surface of the disk. As more and more information is stored on the same size disk, the read / write head must get closer and closer to the disk to function properly. If irregularities due to coating thickness variations exist on the surface of the disk, the likelihood of contact between the head and these areas on the disk becomes much greater. While it is desirable to have enough fluorinated lubricant on the disk to flow into areas where it can be removed by head contact or other means, a coating that is too thick can cause "smearing," a problem associated with read / write heads picking up excess amounts of fluorinated lubricant.

[0081] One particular coating thickness irregularity observed in the industry is what is known as the "rabbit ear" effect. These irregularities are visually detected on the surface of the disk after depositing the fluorolubricant using existing solvent systems. When the disk contacts a solution of fluorolubricant in a solvent and then is removed from the solution, any points where the solution accumulates and cannot easily drain will result in droplets of solution that do not easily run off. One such droplet formation point is the contact point(s) of the mandrel or other support device with the disk. If a V-shaped mandrel is used, there are two contact points where the mandrel contacts the inner edge of the disk. If the fluorolubricant solution forms droplets at these locations that do not run off when removed from the bath, then as the solvent evaporates, areas of greater fluorolubricant thickness are formed. The two contact points with the disk create what is known as the "rabbit ear" effect, as the areas of greater fluorolubricant thickness create a pattern on the disk surface that resembles a visually detectable rabbit ear.

[0082] When dip-coating is used to deposit a fluoro-lubricant on a surface, the withdrawal speed (the speed at which the disk is removed from the bath), as well as the density and surface tension of the fluoro-lubricant, are relevant in determining the resulting film thickness of the fluoro-lubricant. Knowledge of these parameters is required to obtain the desired film thickness. Details regarding how these parameters affect the coating are described in "Dip-Coating of Ultra-Thin Liquid Lubricant and its Control for Thin-Film Magnetic Hard Disks" in IEEE Transactions on Magnetics, vol. 31, no. 6, November 1995, the disclosure of which is incorporated herein by reference in its entirety. EXAMPLES

[0083] The present invention will be described in more detail by specific examples. The following examples are provided for illustrative purposes and are not intended to limit the present invention in any way. Those skilled in the art will easily recognize various non-critical parameters that can be changed or modified to obtain essentially the same results.

[0084] Example 1. Distillation Analysis of Composition 1 A mixture of 79.85% trans-1,2-dichloroethylene (t-DCE), 10.19% 1,1,2,2,3,3,4-heptafluorocyclopentane (HFCP), and 9.95% 1,1,1,2,2,3,4,5,5,5-decafluoro-3-methoxy-4-(trifluoromethyl)-pentane (Novec™ 7300) (Composition 1) was prepared gravimetrically and distilled at atmospheric pressure using a 25-plate Oldershaw distillation column. The distillation was refluxed for 1 hour, then a 10 percent distillate fraction was retained and analyzed by GC / FID. As shown in Table 1, after distillation in the 25-plate column, the composition did not change significantly and the distillate exhibited a more favorable azeotropic composition of approximately 9% HFCP, 12% HFCP, and 79% t-DCE. The boiling point was also recorded, which was lower than that of neat t-DCE (48.4° C.), confirming azeotropic behavior.

[0085] [Table 1]

[0086] Example 2. Distillation Analysis of Composition 2 A mixture of 64.59% trans-1,2-dichloroethylene, 10.59% 1,1,2,2,3,3,4-heptafluorocyclopentane (HFCP), and 24.81% ethyl nonafluorobutyl ether (Novec™ 7200) (composition 2) was prepared gravimetrically and distilled at atmospheric pressure using a 25-plate Oldershaw distillation column. The distillation was refluxed for 1 hour, and then a 10 percent distillate fraction was retained and analyzed by GC / FID. As shown in Table 2, the distillate composition data, including all three initial components, demonstrated the presence of a ternary azeotrope preferably containing about 4.4% HFCP, 23.1% Novec 7200, and about 73.5% t-DCE. Additionally, the depressed boiling point of 45.5° C. confirmed the azeotropic behavior.

[0087] [Table 2]

[0088] Example 3. Distillation Analysis of Composition 3 A mixture of 76.8% trans-1,2-dichloroethylene (t-DCE), 18.3% 3-methoxy-4-trifluoromethyldecafluoropentane (HFE-7300), and 4.9% heptafluorocyclopentane (HFCP) (composition 3) was prepared and distilled at atmospheric pressure using a single plate distillation apparatus. The mixture was distilled until 50% by weight of the composition was distilled. The following distillation cuts and heels were collected and analyzed by GC / FID, and the temperature and vapor dew point of the boiling flask were recorded throughout the distillation. The results of the fractional distillation of the ternary azeotrope-like composition 3 are listed in Table 3 below.

[0089] [Table 3]

[0090] Table 4 shows the boiling point (BP) and dew point (DP) of composition 3 by distillation.

[0091] [Table 4]

[0092] The boiling temperature and composition remained constant throughout the distillation of composition 3, indicating the azeotropic behavior of the ternary mixture of t-DCE, HFE-7300, and HFCP.

[0093] Example 4. Distillation Analysis of Composition 4 The process of Example 3 was repeated for Composition 4 (75.5% t-DCE, 2.6% HFE-7300, and 21.9% HFCP). The results of fractional distillation of ternary azeotrope-like Composition 4 are listed in Table 5 below.

[0094] [Table 5]

[0095] Table 6 shows the boiling point and dew point by distillation of Composition 4.

[0096] [Table 6]

[0097] The boiling temperature and composition remained constant throughout the distillation of composition 4, indicating the azeotropic behavior of the ternary mixture of t-DCE, HFE-7300, and HFCP.

[0098] Example 5. Distillation Analysis of Composition 5 The process of Example 3 was repeated for Composition 5 (91.7% t-DCE, 4.1% HFE-7300, and 4.2% HFCP). The results of fractional distillation of ternary azeotrope-like Composition 5 are listed in Table 7 below.

[0099] [Table 7]

[0100] Table 8 shows the boiling point and dew point by distillation of Composition 5.

[0101] [Table 8]

[0102] The boiling temperature and composition remained constant throughout the distillation of composition 5, indicating the azeotropic behavior of the ternary mixture of t-DCE, HFE-7300, and HFCP.

[0103] Example 6. Distillation Analysis of Composition 6 The process of Example 3 was repeated for Composition 6 (65.2% t-DCE, 17.4% HFE-7300, and 17.4% HFCP). The results of fractional distillation of ternary azeotrope-like Composition 6 are listed in Table 9 below.

[0104] [Table 9]

[0105] Table 10 shows the boiling point and dew point by distillation of Composition 6.

[0106] [Table 10]

[0107] Throughout the distillation, the boiling temperature and composition remained constant, indicating the azeotropic behavior of the ternary mixture of t-DCE, HFE-7300, and HFCP.

[0108] Example 7. Distillation Analysis of Composition 7 Composition 7 (79.85% t-DCE, 9.95% HFE-7300, and 10.19% HFCP) was prepared and distilled at atmospheric pressure using a 25-plate Oldershaw distillation column to determine the preferred azeotropic composition. Each mixture was refluxed through the distillation column for 1 hour and the first 1% fraction was collected and analyzed for composition by GC / FID. Table 11 shows the results from the 25-plate Oldershaw distillation of the compositions.

[0109] [Table 11]

[0110] Example 8. Distillation Analysis of Composition 8 The process of Example 7 was repeated for Composition 8 (78.1% t-DCE, 14.1% HFE-7300, and 7.8% HFCP). Table 12 shows the results from a 25-plate Oldershaw distillation of the compositions.

[0111] [Table 12]

[0112] As shown in Tables 11 and 12, distillation of mixtures of t-DCE, HFE-7300, and HFCP with different starting compositions converged to a narrow range of distillate compositions indicating azeotropic behavior.

[0113] Example 9. Distillation Analysis of Composition 9 Composition 9 (70.0% t-DCE, 15.1% HFE-7200, and 14.8% HFCP) was prepared and distilled at atmospheric pressure using a single plate distillation apparatus. The mixture was distilled to 50% by weight and each fraction was collected and analyzed to determine if the mixture formed a ternary azeotrope-like composition. Each fraction was analyzed by GC / FID and the boiling point and dew point were recorded for each fraction. The results of fractional distillation of the ternary azeotrope-like composition are listed in Tables 13 and 14 below.

[0114] [Table 13]

[0115] [Table 14]

[0116] The boiling temperature and composition remained constant throughout the distillation of composition 9, indicating the azeotropic behavior of a ternary mixture of t-DCE, HFE-7200, and HFCP.

[0117] Example 10. Distillation Analysis of Composition 10 The process of Example 9 was repeated for Composition 10 (85.5% t-DCE, 9.5% HFE-7200, and 5.0% HFCP). The results of fractional distillation of the ternary azeotrope-like compositions are listed in Tables 15 and 16 below.

[0118] [Table 15]

[0119] [Table 16]

[0120] The boiling temperature and composition remained constant throughout the distillation of composition 10, indicating the azeotropic behavior of the ternary mixture of t-DCE, HFE-7200, and HFCP.

[0121] Example 11. Distillation analysis of composition 11 The process of Example 9 was repeated for Composition 11 (64.6% t-DCE, 33.2% HFE-7200, and 2.2% HFCP). The results of fractional distillation of the ternary azeotrope-like compositions are listed in Tables 17 and 18 below.

[0122] [Table 17]

[0123] [Table 18]

[0124] The boiling temperature and composition remained constant throughout the distillation of composition 11, indicating the azeotropic behavior of the ternary mixture of t-DCE, HFE-7200, and HFCP.

[0125] Example 12. Distillation analysis of composition 12 Composition 12 (81.30% t-DCE, 3.80% MPHE, and 14.90% HFE-7300) was prepared and distilled at atmospheric pressure using a single plate distillation apparatus. The mixture was distilled to 45% by weight and each fraction was collected and analyzed to determine if the mixture formed a ternary azeotrope-like composition. Each fraction was analyzed by GC / FID and the boiling point and dew point were recorded for each fraction. The results of fractional distillation of the ternary azeotrope-like composition are listed in Tables 19 and 20 below.

[0126] [Table 19]

[0127] [Table 20]

[0128] The boiling temperature and composition remained constant throughout the distillation of composition 12, indicating the azeotropic behavior of the ternary mixture of t-DCE, HFE-7300, and MPHE.

[0129] Example 13. Distillation analysis of composition 13 The process of Example 12 was repeated for Composition 13 (75.0% t-DCE, 5.9% MPHE, and 19.1% HFE-7300). The results of fractional distillation of the ternary azeotrope-like compositions are listed in Tables 21 and 22 below.

[0130] [Table 21]

[0131] [Table 22]

[0132] The boiling temperature and composition remained constant throughout the distillation of composition 13, indicating the azeotropic behavior of the ternary mixture of t-DCE, HFE-7300, and MPHE.

[0133] Example 14. Distillation analysis of composition 14 The process of Example 12 was repeated for Composition 14 (90.20% t-DCE, 3.30% MPHE, and 6.60% HFE-7300). The results of fractional distillation of the ternary azeotrope-like compositions are listed in Tables 22 and 23 below.

[0134] [Table 23]

[0135] [Table 24]

[0136] The boiling temperature and composition remained constant throughout the distillation of composition 14, indicating the azeotropic behavior of the ternary mixture of t-DCE, HFE-7300, and MPHE.

[0137] Example 15. Cleaning Effectiveness Factor (CEF) Analysis of Composition 15 Composition 15 (70% t-DCE, 15% HFCP, and 15% HFE-7200) was decanted into a 1000 mL beaker equipped with a condensing coil and heated to boiling point (45.5° C.) using a hot plate. Three pre-cleaned 304 stainless steel coupons were weighed on an analytical balance (initial weight). A thin film of each grease or oil was applied to one side of each coupon and the excess was removed with a wipe. Each coupon was then reweighed to determine the soil weight and then placed in the vapor phase of the boiling composition for 10 minutes. The coupons were then removed and reweighed (post-clean weight) after drying and degassing for 10 minutes to determine the cleaning effectiveness factor of the solvent blend. The results of the cleaning analysis are shown in Table 24 and the CEF was determined according to Equation 1. Formula 1. CEF = (contaminated weight - weight after cleaning) / (contaminated weight - initial weight)

[0138] [Table 25]

[0139] Example 16. Cleaning Efficacy Factor (CEF) Analysis of Composition 16 For Composition 16 (92% t-DCE, 4% HFE-7300, and 4% HFCP), the process of Example 15 was repeated using different contaminants and the results are listed in Table 25 below.

[0140] [Table 26]

[0141] As shown in Tables 24 and 25, both ternary compositions were highly effective at removing a wide range of greases, oils, and waxes using only the vapor phase cleaning typically used in vapor degreasers.

[0142] Other embodiments 1. In some embodiments, the present application provides a composition comprising: i) trans-1,2-dichloroethylene, ii) a second component which is a hydrofluoroether; and and iii) a third component selected from compounds selected from hydrofluorocarbons and alkyl perfluoroalkene ethers. 2. The composition is C 1~6 Alcohol, C. 3~6 Ketone, C 5~8 Alkane, C 3~6 Cycloalkanes, and C 1~6 The composition of embodiment 1, further comprising no compound selected from alkyl acetates. 3. The composition of embodiment 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 any one of embodiments 1 to 3, which is an azeotropic composition. 5. The composition of any one of embodiments 1 to 3, which is an azeotrope-like composition. 6. The composition of any one of the preceding embodiments, wherein the hydrofluoroether is selected from HFE-7000, HFE-7100, HFE-7200, HFE-7300, and HFE-347pc-f. 7. The composition of any one of the preceding embodiments, wherein the hydrofluoroether is selected from HFE-7200 and HFE-7300. 8. The composition of embodiment 6 or 7, wherein the composition comprises about 5 weight percent to about 45 weight percent HFE-7200. 9. The composition of embodiment 6 or 7, wherein the composition comprises about 1 weight percent to about 30 weight percent of HFE-7300. 10. The composition of any one of the preceding embodiments, wherein the third component is a hydrofluorocarbon. 11. The composition of embodiment 10, wherein the hydrofluorocarbon is selected from heptafluorocyclopentane, pentafluorobutane, and pentafluoropropane. 12. The composition of embodiment 10 or 11, wherein the hydrofluorocarbon is selected from 1,1,2,2,3,3,4-heptafluorocyclopentane, 1,1,1,3,3-pentafluorobutane, and 1,1,1,3,3-pentafluoropropane. 13. The composition of any one of embodiments 10-12, wherein the hydrofluorocarbon is 1,1,2,2,3,3,4-heptafluorocyclopentane. 14. The composition of embodiment 12 or 13, wherein the composition comprises from about 1 weight percent to about 30 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. 15. The composition of any one of embodiments 1-10, wherein the third component is an alkyl perfluoroalkene ether. 16. The composition of embodiment 15, wherein the alkyl perfluoroalkene ether is methyl perfluoroheptene ether. 17. The composition of embodiment 16, wherein the methyl perfluoroheptene ether comprises a mixture of about 50 weight percent 5-methoxyperfluoro-3-heptene, about 20 weight percent 3-methoxyperfluoro-3-heptene, about 20 weight percent 4-methoxyperfluoro-2-heptene, and about 8 weight percent 4-methoxyperfluoro-3-heptene. 18. The composition of embodiment 16 or 17, wherein the composition comprises from about 1 weight percent to about 5 weight percent of methyl perfluoroheptene ether. 19. The composition of any one of embodiments 1-18, wherein the composition comprises from about 65 weight percent to about 98 weight percent of trans-1,2-dichloroethylene. 20. The composition of any one of embodiments 1-7, 9-14, and 19, wherein the composition comprises trans-1,2-dichloroethylene, HFE-7300, and heptafluorocyclopentane. 21. The composition of any one of embodiments 1-7, 9-14, 19, and 20, wherein the composition comprises trans-1,2-dichloroethylene, HFE-7300, and 1,1,2,2,3,3,4-heptafluorocyclopentane. 22. The composition comprising: i) about 75 weight percent to about 90 weight percent trans-1,2-dichloroethylene; ii) about 1 weight percent to about 20 weight percent HFE-7300; and iii) about 1 weight percent to about 20 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. 23. The composition of any one of embodiments 1-8, 10-14, and 19, wherein the composition comprises trans-1,2-dichloroethylene, HFE-7200, and heptafluorocyclopentane. 24. The composition of any one of embodiments 1-8, 10-14, 19, and 23, wherein the composition comprises trans-1,2-dichloroethylene, HFE-7200, and 1,1,2,2,3,3,4-heptafluorocyclopentane. 25. The composition comprising: i) about 65 weight percent to about 85 weight percent trans-1,2-dichloroethylene; ii) about 10 weight percent to about 30 weight percent HFE-7200; iii) about 1 weight percent to about 15 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. 26. The composition of any one of embodiments 1-7, 9, and 15-19, wherein the composition comprises trans-1,2-dichloroethylene, HFE-7300, and methyl perfluoroheptene ether. 27. The composition, 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 of methyl perfluoroheptene ether. 28. i) about 79 weight percent trans-1,2-dichloroethylene; ii) about 12 weight percent HFE-7300; and iii) about 9 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. 29. i) about 73 weight percent trans-1,2-dichloroethylene; ii) about 23 weight percent HFE-7200; and iii) about 4 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. 30. i) about 70 weight percent trans-1,2-dichloroethylene; ii) about 15 weight percent HFE-7200; and iii) about 15 weight percent of 1,1,2,2,3,3,4-heptafluorocyclopentane. 31. In some embodiments, the present application further provides a method for removing at least a portion of a residue from a surface of a substrate, comprising contacting the substrate with a composition described in any one of embodiments 1-30. 32. The method of embodiment 31, wherein the composition further comprises a propellant. 33. The method of embodiment 32, wherein the propellant is air, nitrogen, carbon dioxide, 2,3,3,3-tetrafluoropropene, trans-1,3,3,3-tetrafluoropropene, 1,2,3,3,3-pentafluoropropene, difluoromethane, trifluoromethane, difluoroethane, trifluoroethane, tetrafluoroethane, pentafluoroethane, a hydrocarbon, dimethyl ether, or any mixture thereof. 34. The method of any one of embodiments 31 to 33, wherein the composition further comprises a surfactant. 35. The method of any one of embodiments 31-34, wherein said contacting is accomplished by vapor degreasing. 36. The method of embodiment 35, wherein the vapor degreasing is performed by boiling the composition to form a vapor of the composition and exposing at least a portion of the residue from the surface of the substrate to the vapor. 37. The method of any one of embodiments 31-34, wherein the contacting is accomplished by immersing the substrate in the composition. 38. The method of embodiment 37, wherein the composition is at a temperature greater than ambient or room temperature. 39. The method of embodiment 37, wherein the composition is at a temperature of about the boiling point of the composition. 40. The method of any one of embodiments 37-39, further comprising a second immersion of the substrate in the composition, the composition being at a lower temperature than the temperature of the first immersion step. 41. The method of embodiment 40, wherein the composition in the second immersion step is at ambient or room temperature. 42. The method of any one of embodiments 31-41, wherein the substrate is selected from stainless steel and magnetic disk media. 43. The method of any one of embodiments 31-42, wherein the residue is selected from fluxes, lubricants, greases, oils, waxes, and combinations thereof. 44. In some embodiments, the present application further provides a process for dissolving a solute, comprising contacting and mixing the solute with a sufficient amount of a composition of any one of embodiments 1 to 30. 45. In some embodiments, the present application further provides a process for cleaning a surface, comprising contacting the surface with a composition described in any one of embodiments 1 to 30. 46. ​​In some embodiments, the present application further provides a process for removing at least a portion of water from a surface of a wet substrate, comprising contacting the substrate with a composition of any one of embodiments 1-30, and then removing the substrate from contact with the composition. 47. The process of embodiment 46, wherein the composition further comprises at least one surfactant suitable for dehydrating or drying the substrate. 48. In some embodiments, the present application further provides a process for depositing a fluorolubricant on a surface, the process comprising: a) combining a fluorolubricant with a solvent to form a lubricant / solvent combination, the solvent comprising a composition according to any one of embodiments 1-30; 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.

[0143] Although the present invention has been described in conjunction with its detailed description, it should be understood that the foregoing description is intended to illustrate, but not to limit, the scope of the invention as defined by the appended claims. Other aspects, advantages, and modifications are within the scope of the following claims. It should be understood by those skilled in the art to which the present invention pertains that any of the features described herein with respect to any particular aspect and / or embodiment of the present invention can be combined with any one or more of the other features of any other aspect and / or embodiment of the present invention described herein, with appropriate modifications to ensure compatibility of the combination. Such combinations are considered to be part of the invention contemplated by this disclosure.

Claims

1. 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 comprises: 1~6 Alcohol, C 3~6 Ketone, C 5~8 Alkanes, C 3~6 Cycloalkanes, and C 1~6 10. The composition of claim 1, further comprising no compounds selected from alkyl acetates.

3. 10. The composition of claim 1, wherein the composition further does not comprise a compound selected from methanol, ethanol, isopropanol, acetone, n-hexane, cyclopentane, and ethyl acetate.

4. The composition of claim 1 which is an azeotropic composition.

5. The composition of claim 1 which is an azeotrope-like composition.

6. The composition of claim 1, wherein the composition comprises from about 5 weight percent to about 45 weight percent HFE-7200.

7. The composition of claim 1, wherein the composition comprises from about 1 weight percent to about 30 weight percent HFE-7300.

8. The composition of claim 1, wherein the methyl perfluoroheptene ether comprises a mixture of about 50 weight percent 5-methoxyperfluoro-3-heptene, about 20 weight percent 3-methoxyperfluoro-3-heptene, about 20 weight percent 4-methoxyperfluoro-2-heptene, and about 8 weight percent 4-methoxyperfluoro-3-heptene.

9. The composition of claim 1, wherein the composition comprises from about 1 weight percent to about 5 weight percent methyl perfluoroheptene ether.

10. The composition of claim 1, wherein the composition comprises from about 65 weight percent to about 98 weight percent trans-1,2-dichloroethylene.

11. The composition of claim 1, wherein the composition comprises trans-1,2-dichloroethylene, HFE-7300, and methyl perfluoroheptene ether.

12. The composition comprising: 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.

13. A method for removing at least a portion of residue from a surface of a substrate, the method comprising contacting the substrate with the composition of claim 1.

14. The method of claim 13, wherein the composition further comprises a surfactant, and the contacting is accomplished by vapor degreasing, the vapor degreasing being carried out by boiling the composition to form vapors of the composition and exposing at least a portion of the residue from the surface of the substrate to the vapors.

15. The method of claim 13, wherein the substrate is selected from stainless steel and magnetic disk media.

16. The method of claim 13, wherein the residue is selected from fluxes, lubricants, greases, oils, waxes, and combinations thereof.

17. A process for dissolving a solute, comprising contacting and mixing the solute with a sufficient amount of the composition of claim 1.

18. A process for cleaning a surface, comprising contacting the surface with the composition of claim 1.

19. A process for removing at least a portion of water from the surface of a wet substrate, comprising contacting the substrate with the composition of claim 1 and then removing the substrate from contact with the composition, wherein the composition further comprises at least one surfactant suitable for dehydrating or drying the substrate.

20. A process for depositing a fluorolubricant on a surface, comprising: a) combining a fluorolubricant with a solvent to form a lubricant / solvent combination, wherein the solvent comprises the composition of claim 1; b) contacting the lubricant / solvent combination with the surface; c) evaporating the solvent from the surface to form a fluorolubricant coating on the surface.