Abstract: Flexible packages, transdermal drug delivery devices, and methods for fabricating packages are provided. An exemplary flexible package includes a chemical and moisture resistant layer formed from poly(chlorotrifluoroethylene-co-vinylidene fluoride) (“P(CTFE-co-VDF)”) copolymer. Further, the exemplary flexible package includes a substance to be delivered. The substance is applied to or enclosed by the chemical and moisture resistant layer.

Abstract: Flexible packages, transdermal drug delivery devices, and methods for fabricating packages are provided. An exemplary flexible package includes a chemical and moisture resistant layer formed from poly(chlorotrifluoroethylene-co-vinylidene fluoride) (“P(CTFE-co-VDF)”) copolymer. Further, the exemplary flexible package includes a substance to be delivered. The substance is applied to or enclosed by the chemical and moisture resistant layer.

Abstract: Disclosed is a copolymer film that includes a first comonomer including a chlorofluoro olefin and a second comonomer that is selected from the group consisting of itaconic acid, 2,3-dihydropyran, D-glucal, glycerine carbonate vinyl ether, 2-hydroxypropyl acrylate, maleic anhydride, vinylidene chloride, and mixtures thereof.

Abstract: Methods for synthesizing stabilized polymers of chlorotrifluoroethylene and products manufactured using such polymers are disclosed herein. In one exemplary embodiment, a method for synthesizing chlorotrifluoroethylene (CTFE)-based polymers includes reacting, in the presence of an initiator and in a reaction medium at a pH of about 1.5 to about 2.5, one or more monomers comprising CTFE and after an amount of polymerization reaction time has passed, adding a neutralizing agent to the reaction medium to increase the pH of the reaction medium to within a range of about 1.8 to about 6.0.

Abstract: A polymeric molecule having the formula: X—[C(A)2C(B)(B?)]n-Q[CY?C(Z)(Z?)] or [C(A)2=C(B)]n-Q[C(Y)(Y?)—C(Z)(Z?)]—X?, wherein A is either H or F; B and B? are either H, F, or Cl, and are not necessarily the same; X and X? are Br, Cl or I (and are not necessarily the same); Y and Y? are F, Br, Cl or I (and are not necessarily the same); and wherein Z and Z? are F, Br, Cl or I (and are not necessarily the same); Q is optional and is either oxygen (O) or sulfur (S); and n is at least 1.

Abstract: Methods for the synthesis of CTFE-based block copolymers through iodine transfer polymerization are disclosed. In an exemplary embodiment, a method includes reacting a fluoromonomer “M” with a chain transfer agent of the formula X—Y or Y—X—Y, wherein X represents a C1-C3 hydrocarbon, a C1-C6 hydrofluorocarbon, C1-C6 hydrochlorofluorocarbon, or C1-C6 fluorocarbon and Y represents iodine or bromine, in the presence of a radical initiator, to form a macro-initiator of the formula: X-poly(M)-Y or Y-poly(M)-X-poly(M)-Y, wherein poly(M) represents a polymer of the fluoromonomer. The method further includes reacting the macro-initiator with chlorotrifluoroethylene (CTFE) in the presence of a radical initiator to form a diblock or a triblock CTFE-based block copolymer of the formula: X-poly(M)-block-poly(CTFE) or PCTFE-block-poly(M)-X-poly(M)-block-PCTFE.

Abstract: A polymeric molecule having the formula: X—[C(A)2C(B)(B?)]n-Q[CY?C(Z)(Z?)] or [C(A)2=C(B)]n-Q[C(Y)(Y?)—C(Z)(Z?)]—X?, wherein A is either H or F; B and B? are either H, F, or Cl, and are not necessarily the same; X and X? are Br, Cl or I (and are not necessarily the same); Y and Y? are F, Br, Cl or I (and are not necessarily the same); and wherein Z and Z? are F, Br, Cl or I (and are not necessarily the same); Q is optional and is either oxygen (O) or sulfur (S); and n is at least 1.

Abstract: Methods for synthesizing stabilized polymers of chlorotrifluoroethylene and products manufactured using such polymers are disclosed herein. In one exemplary embodiment, a method for synthesizing chlorotrifluoroethylene (CTFE)-based polymers includes reacting, in the presence of an initiator and in a reaction medium at a pH of about 1.5 to about 2.5, one or more monomers comprising CTFE and after an amount of polymerization reaction time has passed, adding a neutralizing agent to the reaction medium to increase the pH of the reaction medium to within a range of about 1.8 to about 6.0.

Abstract: Fluorinated macromonomers, a PCTFE-g-poly(M) graft copolymer, and moisture barrier films and articles formed therefrom are provided. The PCTFE-g-poly(M) graft copolymers have a PCTFE backbone component and a plurality of pendant groups attached to the PCTFE backbone component.

Abstract: Methods for the synthesis of CTFE-based block copolymers through iodine transfer polymerization are disclosed. In an exemplary embodiment, a method includes reacting a fluoromonomer “M” with a chain transfer agent of the formula X—Y or Y—X—Y, wherein X represents a C1-C3 hydrocarbon, a C1-C6 hydrofluorocarbon, C1-C6 hydrochlorofluorocarbon, or C1-C6 fluorocarbon and Y represents iodine or bromine, in the presence of a radical initiator, to form a macro-initiator of the formula: X-poly(M)-Y or Y-poly(M)-X-poly(M)-Y, wherein poly(M) represents a polymer of the fluoromonomer. The method further includes reacting the macro-initiator with chlorotrifluoroethylene (CTFE) in the presence of a radical initiator to form a diblock or a triblock CTFE-based block copolymer of the formula: X-poly(M)-block-poly(CTFE) or PCTFE-block-poly(M)-X-poly(M)-block-PCTFE.

Abstract: Disclosed is a copolymer film that includes a first comonomer including a chlorofluoro olefin and a second comonomer that is selected from the group consisting of itaconic acid, 2,3-dihydropyran, D-glucal, glycerine carbonate vinyl ether, 2-hydroxypropyl acrylate, maleic anhydride, vinylidene chloride, and mixtures thereof.

Abstract: Disclosed is a coated substrate, which includes a substrate comprising a cellulosic fiber material and a copolymer coated in a thin film on at least one surface of the substrate. The copolymer has at least two comonomer units of the formula: CX2CYA, wherein each X is independently selected from the group consisting of H, Cl and F; Y is selected from the group consisting of H, Cl, F, O(CZ2)nCZ3, (CZ2)nCZ3, (OCZ2CZ2)nCZ3 and (O(CZ2)n)nCZ3, wherein each n is independently from about 1 to about 12 and each Z is independently selected from the group consisting of H, Cl and F; and A is selected from the group consisting of H, Cl and F; provided that for at least one comonomer unit, at least one of A, Y, and either X or any Z is Cl.

Abstract: The preparation of halosilanes having mixed-halogen substituents is described comprising providing an aryl-halo-silane having one more first halogens and one or more aryl groups, and substituting one or more of said aryl groups of said aryl-halo-silane with a second halogen having an atomic number greater than that of said first halogen.

Abstract: A process for the catalytic fluorination of hydrochlorocarbons and hydrochlorofluorocarbons in the liquid phase. The process is useful for fluorinating hydrochloropropanes, hydrochlorofluoropropanes, hydrochloropropenes and hydrochlorofluoropropenes and most particularly useful for fluorinating 1,1,1,3,3-pentachloropropane to 1,1,1,3,3-pentafloropropane.

Abstract: The preparation of halosilanes having mixed-halogen substituents is described comprising providing an aryl-halo-silane having one more first halogens and one or more aryl groups, and substituting one or more of said aryl groups of said aryl-halo-silane with a second halogen having an atomic number greater than that of said first halogen.

Abstract: The invention relates to novel compositions of 1-bromopropane and at least one organic solvent selected from the group consisting of methanol, ethanol, 1-propanol, 2-propanol, 2-methyl-2-propanol, 2,2,2-trifluoroethanol, tetrahydrofiran, nitromethane, ethyl acetate, acetonitrile, hexane, 1,3-dioxolane, 1-chloro-2-methylpropane, 1,1,1,2,3,4,4,5,5,5-decafluoropentane, methyl ethyl ketone and cyclohexane and more particularly to azeotrope-like compositions based on these compounds which are useful as solvents in refrigeration flushing, oxygen system cleaning and vapor degreasing applications.

Abstract: The present invention provides catalysts and processes for the fluorination of hydrohalomethanes. In particular, the invention provides a process for the fluorination of hydrohalomethanes using hydrogen fluoride and a Lewis Acid catalyst. More specifically, catalysts and a process for the fluorination of dichloromethane are provided.

Abstract: The invention relates to novel compositions of 1-bromopropane and at least one organic solvent selected from the group consisting of methanol, ethanol, 1-propanol, 2-propanol, 2-methyl-2-propanol, 2,2,2-trifluoroethanol, tetrahydrofuran, nitromethane, ethyl acetate, acetonitrile, hexane, 1,3-dioxolane, 1-chloro-2-methylpropane, 1,1,1,2,3,4,4,5,5, 5-decafluoropentane, methyl ethyl ketone and cyclohexane and more particularly to azeotrope-like compositions based on these compounds which are useful as solvents in refrigeration flushing, oxygen system cleaning and vapor degreasing applications.

Abstract: A process for producing a fluorinated organic compound comprising: (a) reacting an organic starting material with hydrogen fluoride in the presence of a fluorination catalyst and an HFC reaction solvent to produce a product stream containing the fluorinated organic compound wherein the reaction solvent has a boiling point higher than that of the fluorinated organic compound; and (b) recovering the fluorinated organic compound from the product stream.

Abstract: The invention relates to novel azeotrope-like compositions of 1-bromopropane, 4-methoxy-1,1,1,2,2,3,3,4,4-nonafluorobutane (HFE-7100) and at least one organic solvent selected from the group consisting of methanol, ethanol, 2-propanol, 2-methyl-2-propanol, tetrahydrofuran, nitromethane, and methylene chloride and more particularly to azeotrope-like compositions based on these compounds which are useful as solvents in refrigeration flushing, oxygen system cleaning and vapor degreasing applications.