Abstract: Disclosed is a process for the synthesis of fluorinated olefins, and in particularly preferred embodiments tetrafluorinated olefins having F on an unsaturated, non-terminal carbon, such as 2,3,3,3-tetrafluoropropene. The preferred processes of the present invention in accordance with one embodiment generally comprise: (a) reacting a compound of formula (I) X1X2??(I) with a compound of formula (II) CX1X2X3CX1?CX1X2??(II) to produce a reaction product comprising a compound of formula (III) CF3CHX1CH2X2??(III), and (b) exposing said compound of formula (III) to reaction conditions effective to convert said compound of formula (III) to a compound of formula (IV) CF3CZ?CH2??(IV) wherein X1, X2, and X3 are each independently selected from the group consisting of hydrogen, chlorine, bromine, fluorine and iodine, provided that X1 and X2 in formula (I) are not both hydrogen and Z is Cl, I, Br, or F.

Abstract: Disclosed are aqueous emulsion copolymerization processes for synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit. The copolymerization process is performed at temperatures of from about 55° C. to about 70° C. with at least one water soluble radical initiator, with preferred initiators including Na2S2O8, K2S2O8, (NH4)2S2O8, Fe2(S2O8)3, K2S2O8/FeSO4, (NH4)2S2O8/Fe2O4, and the like, as well as combinations thereof.

Abstract: The present invention generally relates to a novel polymeric material formed, at least in part, from monomeric material comprising 2,3,3,3-tetrafluoropropene (CF3CF?CH2, 1234yf), to polymeric compositions, to coating compositions, and to uses thereof.

Abstract: In accordance with the present invention, aqueous emulsion polymerization processes of synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit are provided.

Abstract: A copolymer comprising trans-1,3,3,3-tetrafluoropropene units and vinylidene fluoride units, and methods of making the same. A method of preventing biofouling on an article of manufacture, comprising applying such copolymer to the article of manufacture. A process of preparing a surface having a surface energy of between about 20 and about 30 mJ/m2, comprising applying such a copolymer to a support. A method of preventing accumulation of ice on an article of manufacture, comprising applying such a copolymer to an article of manufacture. A method of preparing a polymer, comprising a step of adding trans-1,3,3,3-tetrafluoropropene/vinylidene fluoride copolymer as a polymer processing additive/aid to said polymer.

Abstract: In accordance with the present invention, aqueous emulsion polymerization processes of synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit are provided.

Abstract: The present invention relates to methods of producing polymerized 2,3,3,3-tetrafluoropropene (poly-1234yf) using one or a combination of the techniques provided herein. In certain embodiments, such techniques include (1) emulsion polymerization; (2) suspension polymerization; (3) solution polymerization; (4) supercritical carbon dioxide polymerization; (5) transition metal catalyzed polymerization; (6) radiation or thermal polymerization; and combinations thereof. A wide array of initiators, catalysts, and solvents may be used in such polymerization processes and may include, but are not limited to, (1) radical initiators; (2) ionic initiators; and (3) single-site and multiple-site catalysts.

Abstract: A copolymer comprising trans-1,3,3,3-tetrafluoropropene units and vinylidene fluoride units, and methods of making the same. A method of preventing biofouling on an article of manufacture, comprising applying such copolymer to the article of manufacture. A process of preparing a surface having a surface energy of between about 20 and about 30 mJ/m2, comprising applying such a copolymer to a support. A method of preventing accumulation of ice on an article of manufacture, comprising applying such a copolymer to an article of manufacture. A method of preparing a polymer, comprising a step of adding trans-1,3,3,3-tetrafluoropropene/vinylidene fluoride copolymer as a polymer processing additive/aid to said polymer.

Abstract: A copolymer comprising trans-1,3,3,3-tetrafluoropropene units and vinylidene fluoride units, and methods of making the same. A method of preventing biofouling on an article of manufacture, comprising applying such copolymer to the article of manufacture. A process of preparing a surface having a surface energy of between about 20 and about 30 mJ/m2, comprising applying such a copolymer to a support. A method of preventing accumulation of ice on an article of manufacture, comprising applying such a copolymer to an article of manufacture. A method of preparing a polymer, comprising a step of adding trans-1,3,3,3-tetrafluoropropene/vinylidene fluoride copolymer as a polymer processing additive/aid to said polymer.

Abstract: Fumigation compositions and methods which utilize or comprise cis-1-chloro-3,3,3-trifluoropropene in amounts and under conditions effective to produce a substantial fumigation affect and preferably are essentially free of methyl iodide and/or are essentially free of any compound having a LD50 toxicty of less than about 50 mg/kg (oral, rat).

Abstract: In accordance with the present invention, aqueous emulsion polymerization processes of synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit are provided.

Abstract: In accordance with the present invention, aqueous emulsion polymerization processes of synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit are provided.

Abstract: A process of synthesizing poly(2,3,3,3-tetrafluoropropene), comprising reacting 2,3,3,3-tetrafluoropropene monomers in a reaction medium in the presence of an initiator, wherein the initiator is added to the reaction medium in multiple portions at different times during the process.

Abstract: In accordance with the present invention, aqueous emulsion polymerization processes of synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit are provided.

Abstract: A copolymer comprising trans-1,3,3,3-tetrafluoropropene units and vinylidene fluoride units, and methods of making the same. A method of preventing biofouling on an article of manufacture, comprising applying such copolymer to the article of manufacture. A process of preparing a surface having a surface energy of between about 20 and about 30 mJ/m2, comprising applying such a copolymer to a support. A method of preventing accumulation of ice on an article of manufacture, comprising applying such a copolymer to an article of manufacture. A method of preparing a polymer, comprising a step of adding trans-1,3,3,3-tetrafluoropropene/vinylidene fluoride copolymer as a polymer processing additive/aid to said polymer.

Abstract: A copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride and having a surface energy of between about 20 and about 30 mJ/m2. A process of preparing a surface having a surface energy of between about 20 and about 30 mJ/m2, comprising a step of applying said copolymer to a support. A method of preventing biofouling on an article of manufacture comprising applying said copolymer to the article of manufacture. An article of manufacture that is at least partly covered with said copolymer.

Abstract: A process of synthesizing poly(2,3,3,3-tetrafluoropropene), comprising reacting 2,3,3,3-tetrafluoropropene monomers in a reaction medium in the presence of an initiator, wherein the initiator is added to the reaction medium in multiple portions at different times during the process.

Abstract: Developing compositions are provided herein for use in producing a visibly detectable image of a latent physiological biometric. The developing compositions include a carrier solvent that includes at least one C3-C4 hydrofluorocarbon olefin or at least one hydrochlorofluorocarbon olefin.

Abstract: A copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride and having a surface energy of between about 20 and about 30 mJ/m2. A process of preparing a surface having a surface energy of between about 20 and about 30 mJ/m2, comprising a step of applying said copolymer to a support. A method of preventing biofouling on an article of manufacture comprising applying said copolymer to the article of manufacture. An article of manufacture that is at least partly covered with said copolymer.

Abstract: Developing compositions are provided herein for use in producing a visibly detectable image of a latent physiological biometric. The developing compositions include a carrier solvent that includes at least one C3-C4 hydrofluorocarbon olefin or at least one hydrochlorofluorocarbon olefin.