# US 9,434,824 B2 · Nonflammable solvent compositions for dissolving polymers and resulting solvent systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,434,824 B2 - Document ID: US9434824B2 - Status: Granted - Kind: B2 - Application number: 14/230,791 - Filed: 2014-03-31 - Published: 2015-10-01 - Granted: 2016-09-06 - Earliest claimed: 2014-03-31 - Assignees: ZYP Coatings, Inc. - Applicants: Cressie E. Holcombe, Jr. - Inventors: Cressie E. Holcombe, Jr. - Web page: https://patentgrep.com/patent/US9434824B2 ## CPC - C08J 3/095: {Oxygen containing compounds} - C08J 3/093: {Halogenated hydrocarbons} - C08K 5/05: Alcohols; Metal alcoholates - C08L 33/12: Homopolymers or copolymers of methyl methacrylate - C08L 53/00: Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers - C08L 53/025: {modified} - C09D 7/20: Diluents or solvents - C09J 11/06: organic - C09J 133/12: Homopolymers or copolymers of methyl methacrylate - C09J 153/00: Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers - C11D 7/5018: {Halogenated solvents} - C11D 7/5022: {containing oxygen} - C08J 2325/08: Copolymers of styrene (C08J2329/08, C08J2335/06, C08J2355/02 take precedence) - C08J 2333/12: Homopolymers or copolymers of methyl methacrylate - C08J 2353/00: Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers - C08L 2201/56: Non-aqueous solutions or dispersions - C09D 133/06: of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical - C11D 7/265: {Carboxylic acids or salts thereof} - C11D 7/28: containing halogen - C11D 7/30: Halogenated hydrocarbons - C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29) - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H) - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL ## Abstract A solvent composition and method for making same is disclosed having a composition between 26 to 90 weight percent propionate, butyrate, or combination thereof and between 10 to 74 weight percent fluorinated solvent blend, wherein the fluorinated solvent blend includes t-DCE. A polymer solvent system is also disclosed incorporating the solvent composition and dissolved polymers, such as SEBS polymers. The solvent composition and polymer solvent system is minimally combustible or preferably nonflammable. ## Claims ### Claim 1 A solvent composition comprising between 60 to 90 weight percent of a butyrate, and between 10 to 40 weight percent of a fluorinated solvent blend, wherein the fluorinated solvent blend includes t-DCE. ### Claim 2 (depends on 1) The solvent composition of claim 1 wherein said butyrate is selected from the group consisting of n-butyl n-butyrate, amyl butyrate, isoamyl isobutyrate, amyl isobutyrate, and isoamyl butyrate. ### Claim 3 (depends on 1) The solvent composition of claim 1, wherein said composition is nonflammable. ### Claim 4 (depends on 1) The solvent composition of claim 1 wherein said fluorinated solvent blend comprises hydrofluoroether. ### Claim 5 (depends on 4) The solvent composition of claim 4 wherein said fluorinated solvent blend includes 68 to 72 weight percent t-DCE and 28 to 32 weight percent mixture of hydrofluoroethers. ### Claim 6 (depends on 1) The solvent composition of claim 1 wherein said fluorinated solvent blend comprises hydrofluorocarbon. ### Claim 7 (depends on 1) The solvent composition of claim 1 comprising: between 60 to 80 weight percent of the butyrate, and between 20 to 40 weight percent of the fluorinated solvent blend. ### Claim 8 (depends on 1) The solvent composition of claim 1 wherein said composition comprises 65 weight percent of the butyrate, wherein said butyrate is amyl butyrate, and 35 weight percent of the fluorinated solvent blend, wherein said fluorinated solvent blend includes between 68 to 72 weight percent t-DCE and 28 to 32 weight percent mixture of hydrofluoroethers. ### Claim 9 (depends on 8) The solvent composition of claim 8 wherein said composition is used to dissolve a polymer. ### Claim 10 (depends on 9) The solvent composition of claim 9 wherein said polymer is selected from the group consisting of an SEBS polymer and a methyl methacrylate copolymer. ### Claim 11 (depends on 1) The solvent composition of claim 1 wherein said composition comprises 80 weight percent of the butyrate, wherein said butyrate is amyl butyrate, and 20 weight percent of the fluorinated solvent blend, wherein said fluorinated solvent blend includes between 68 to 72 weight percent t-DCE and 28 to 32 weight percent mixture of hydrofluoroethers. ### Claim 12 (depends on 1) The solvent composition of claim 1 wherein said composition comprises 90 weight percent of the butyrate, wherein said butyrate is amyl butyrate, and 10 weight percent of the fluorinated solvent blend, wherein said fluorinated solvent blend includes between 68 to 72weight percent t-DCE and 28 to 32 weight percent mixture of hydrofluoroethers. ### Claim 13 (depends on 1) The solvent composition of claim 1 wherein said composition further comprises additives selected from the group consisting of a tackifier, an antioxidant, and a UV-stabilizer. ### Claim 14 (depends on 1) The solvent composition of claim 1 further comprising an additive, said additive includes alpha terpineol. ### Claim 15 (depends on 1) The solvent composition of claim 1 wherein said composition further comprises a nonflammable propellant and said composition is incorporated into an aerosol can. ### Claim 16 (depends on 1) A polymer solvent system comprising a polymer and the solvent composition according to claim 1. ### Claim 17 (depends on 16) The polymer solvent system of claim 16, wherein said system is nonflammable. ### Claim 18 (depends on 16) The polymer solvent system of claim 16 wherein said butyrate is selected from the group consisting of n-butyl n-butyrate, amyl butyrate, isoamyl isobutyrate, amyl isobutyrate, and isoamyl butyrate. ### Claim 19 (depends on 16) The polymer solvent system of claim 16 wherein said fluorinated solvent blend comprises hydrofluoroether. ### Claim 20 (depends on 19) The polymer solvent system of claim 19 wherein said fluorinated solvent blend includes 68 to 72 weight percent t-DCE and 28 to 32 weight percent mixture of hydrofluoroethers. ### Claim 21 (depends on 16) The polymer solvent system of claim 16 wherein said fluorinated solvent blend comprises hydrofluorocarbon. ### Claim 22 (depends on 16) The polymer solvent system of claim 16 comprising: between 60 to 80 weight percent of the butyrate, and between 20 to 40 weight percent of the fluorinated solvent blend. ### Claim 23 (depends on 16) The polymer solvent system of claim 16 wherein said system is used as a liquid rubber agent. ### Claim 24 (depends on 16) The polymer solvent system of claim 16 wherein said system is used as a paint carrier. ### Claim 25 (depends on 16) The polymer solvent system of claim 16 wherein said system is used as a cleaning agent. ### Claim 26 (depends on 16) The polymer solvent system of claim 16 wherein said system is used as a debonder. ### Claim 27 (depends on 16) The polymer solvent system of claim 16 wherein said system is used as a bonding-agent. ### Claim 28 (depends on 16) The polymer solvent system of claim 16 wherein said system is applied to a surface to form a polymer film on said surface, said polymer film is removable from said surface by applying said solvent composition to said polymer film. ### Claim 29 (depends on 16) The polymer solvent system of claim 16 wherein said butyrate is a blend of butyrates. ### Claim 30 (depends on 16) The polymer solvent system of claim 16 wherein said system further comprises additives selected from the group consisting of a tackifier, an antioxidant, and a UV-stabilizer. ### Claim 31 (depends on 16) The polymer solvent system of claim 16 further comprising an additive, said additive includes alpha terpineol. ### Claim 32 (depends on 16) The polymer solvent system of claim 16 wherein said system further comprises a nonflammable propellant and said system is incorporated into an aerosol can. ### Claim 33 A solvent composition comprising: between 26 to 90 weight percent of a butyrate, and between 10 to 74 weight percent of a fluorinated solvent blend, wherein the fluorinated solvent blend includes t-DCE and HFE 7100 wherein said fluorinated solvent blend comprises hydrofluoroether and said hydrofluoroether is HFE 7100. ### Claim 34 (depends on 33) The solvent composition of claim 33 wherein said fluorinated solvent blend comprises 90 weight percent t-DCE and 10 weight percent HFE 7100. ### Claim 35 (depends on 33) A polymer solvent system comprising a polymer and the solvent composition according to claim 33. ### Claim 36 (depends on 35) The polymer solvent system of claim 35 wherein said fluorinated solvent blend comprises 90 weight percent t-DCE and 10 weight percent HFE 7100. ### Claim 37 A solvent composition comprising: between 26 to 90 weight percent of a butyrate, and between 10 to 74 weight percent of a fluorinated solvent blend, wherein the fluorinated solvent blend includes t-DCE and a mixture of hydrofluoroethers of ethyl nonafluorobutyl ether, ethyl nonafluoroisobutyl ether, methyl nonafluorobutyl ether, and methyl nonafluoroisobutyl ether. ### Claim 38 (depends on 37) The solvent composition of claim 37 wherein said mixture of hydrofluoroethers includes approximately 4 through 16 weight percent of said ethyl nonafluorobutyl ether, approximately 4 through 16 weight percent of said ethyl nonafluoroisobutyl ether, approximately 2 through 8 weight percent of said methyl nonafluorobutyl ether, and approximately 2 through 8 weight percent of said methyl nonafluoroisobutyl ether. ### Claim 39 (depends on 37) A polymer solvent system comprising a polymer and the solvent composition according to claim 37. ### Claim 40 (depends on 39) The polymer solvent system of claim 39 wherein said mixture of hydrofluoroethers includes approximately 4 through 16 weight percent of said ethyl nonafluorobutyl ether, approximately 4 through 16 weight percent of said ethyl nonafluoroisobutyl ether, approximately 2 through 8 weight percent of said methyl nonafluorobutyl ether, and approximately 2 through 8 weight percent of said methyl nonafluoroisobutyl ether. ### Claim 41 A solvent composition comprising: 40 weight percent of a butyrate, wherein said butyrate is amyl butyrate, and 60 weight percent of a fluorinated solvent blend, wherein said fluorinated solvent blend includes between 68 to 72 weight percent t-DCE and 28 to 32 weight percent mixture of hydrofluoroethers. ### Claim 42 (depends on 41) The solvent composition of claim 41 wherein said composition is used as a cleaning agent. ### Claim 43 A solvent composition comprising: between 26 to 90 weight percent of a blend of ethyl propionate and amyl butyrate, and between 10 to 74 weight percent of a fluorinated solvent blend, wherein the fluorinated solvent blend includes t-DCE. ### Claim 44 (depends on 43) A polymer solvent system comprising a polymer and the solvent composition according to claim 43. ### Claim 45 A polymer solvent system comprising: a solvent composition comprising between 26 to 90 weight percent of a butyrate, and between 10 to 74 weight percent of a fluorinated solvent blend, wherein the fluorinated solvent blend includes t-DCE, and a polymer, wherein the polymer solvent system includes between 50 to 99 weight percent of the solvent composition and 1 to 50 weight percent of the polymer. ### Claim 46 (depends on 45) The polymer solvent system of claim 45 comprising between 75 to 95 weight percent of the solvent composition and 5 to 25 weight percent of the polymer. ### Claim 47 (depends on 46) The polymer solvent system of claim 46 wherein said polymer is styrene block copolymer. ### Claim 48 (depends on 47) The polymer solvent system of claim 47 wherein said styrene block copolymer is SEBS resin. ### Claim 49 (depends on 46) The polymer solvent system of claim 46 wherein said polymer is methyl methacrylate copolymer. ### Claim 50 A polymer solvent system comprising: a solvent composition comprising between 26 to 90 weight percent of a butyrate, and between 10 to 74 weight percent of a fluorinated solvent blend, wherein the fluorinated solvent blend includes t-DCE, and a polymer, wherein said polymer includes styrene block copolymer. ### Claim 51 A polymer solvent system comprising: a solvent composition comprising between 26 to 90 weight percent of a butyrate, and between 10 to 74 weight percent of a fluorinated solvent blend, wherein the fluorinated solvent blend includes t-DCE, and a polymer, wherein said polymer includes methyl methacrylate copolymer. ### Claim 52 (depends on 51) The polymer solvent system of claim 51 wherein said polymer further includes styrene block copolymer.