Abstract: Partially fluorinated ionic compounds are prepared. They are useful in the preparation of partially fluorinated dienes, in which the repeat units are cycloaliphatic.

Abstract: A monomer comprising the structure (1a) or (1b) wherein Z comprises S, SO2, or POR wherein R comprises a linear or branched perfluoroalkyl group of 1 to 14 carbon atoms optionally containing oxygen or chlorine, an aryl or substituted aryl group of 6 to 12 carbon atoms, or an alkyl of 1 to 8 carbon atoms; RFcomprises a linear or branched perfluoroalkene group of 1 to 20 carbon atoms, optionally containing oxygen or chlorine; Q is chosen from F, —OM, NH2, —N(M)SO2R2F, and —C(M)(SO2R2F)2, wherein M comprises H, an alkali cation, or ammonium; and R2F groups comprise perfluorinated or partially fluorinated alkyl, and may optionally include ether oxygens; and n is 1 or 2 for (1a), and n is 1, 2, or 3 for (1b). These monomers are used in the preparation of homopolymers and copolymers that are useful in preparing polymer electrolyte membranes. Electrochemical cells, such as fuel cells, containing these membranes are also described.

Abstract: This invention relates to carbon materials, such as a fullerene molecule or a curved carbon nanostructure, that are functionalized by addition chemistry performed on surface C—C double bond.

Abstract: A fluorinated ion exchange polymer prepared by grafting at least one grafting monomer on to at least one base polymer, wherein the grafting monomer comprises structure 1a or 1b: wherein Z comprises S, SO2, or POR wherein R comprises a linear or branched perfluoroalkyl group of 1 to 14 carbon atoms optionally containing oxygen or chlorine, an alkyl group of 1 to 8 carbon atoms, an aryl group of 6 to 12 carbon atoms or a substituted aryl group of 6 to 12 carbon atoms; RF comprises a linear or branched perfluoroalkene group of I to 20 carbon atoms, optionally containing oxygen or chlorine; Q is chosen from F, —OM, NH2, —N(M)SO2R2F, and C(M)(SO2R2F)2, wherein M comprises H, an alkali cation, or ammonium; R2F groups comprises alkyl of 1 to 14 carbon atoms which may optionally include ether oxygens or aryl of 6 to 12 carbon atoms where the alkyl or aryl groups may be perfluorinated or partially fluorinated; and n is 1 or 2 for 1a, and n is 1, 2, or 3 for 1b.

Abstract: There are provided electrically conducting polymer compositions comprising an electrically conductive polymer or copolymer and an organic solvent wettable fluorinated acid polymer. Electrically conductive polymer materials are derived from thiophene, pyrrole, aniline and polycyclic heteroaromatic precursor monomers. Non-conductive polymers derived from alkenyl, alkynyl, arylene, and heteroarylene precursor monomers. The organic-solvent wettable fluorinated acid polymer is fluorinated or highly fluorinated and may be colloid-forming. Acidic groups include carboxylic acid groups, sulfonic acid groups, sulfonimide groups, phosphoric acid groups, phosphonic acid groups, and combinations thereof. The compositions can be used in organic electronic devices.

Abstract: The present disclosure relates to electrically conductive polymer compositions, comprising at least one electrically conductive copolymer; and at least one fluorinated acid polymer, their use in organic electronic devices, and methods for preparation.

Abstract: A fluorinated ion exchange polymer is prepared by grafting at least one grafting monomer derived from trifluorostyrene on to at least one base polymer in a organic solvent/water mixture. These ion exchange polymers are useful in preparing catalyst coated membranes and membrane electrode assemblies used in fuel cells.

Abstract: The present invention provides for a compound having the following structure: Zr(O3PZqYnX)2-m(03PR)m, wherein X=a functional group such as CO2H, PO(OH)2, and SO3H, and SO2NHSO2W, wherein W=aryl of 6 to 10 carbon atoms or Y; Y=perfluoro-linear, branched or cyclic alkylene group, wherein the alkylene is 1-20 carbon atoms, or a fluorinated group containing at least one substituent selected from the group consisting of oxygen, chlorine and bromine; Z=alkylene of 1-12 carbon atoms, aryl of 6-10 carbon atoms, or a heterocyclic aryl group of 3-10 carbons atoms; R=alkyl of 1-12 carbon atoms, aryl of 6-10 carbon atoms, substituted alkyl, or substituted aryl, wherein the substituent is selected from the group consisting of F, Cl, perfluoroalkyl, alkyl of 1-12 carbon atoms and aryl of 6-10 carbon atoms; n=0 or 1; q=0 or 1; and m=0 to 1.5; with the proviso that when n=0, and q=1, Z=at least one heterocyclic group having 3 to 10 carbon atoms, 1 to 5 nitrogen atoms and 0 to 4 oxygen atoms.

Abstract: A fluorinated ion exchange polymer is prepared by grafting at least one grafting monomer derived from trifluorostyrene on to at least one base polymer in a water/alcohol mixture. These ion exchange polymers are useful in preparing catalyst coated membranes and membrane electrode assemblies used in fuel cells.

Abstract: A fluorinated ion exchange polymer is prepared by grafting at least one grafting monomer derived from trifluorostyrene on to at least one base polymer in the presence of a fluorosurfactant. These ion exchange polymers are useful in preparing catalyst coated membranes and membrane electrode assemblies used in fuel cells.

Abstract: A fluorinated sulfonamide small molecule having the general structure wherein m, n and p are 0 to 3, with the proviso that m+n+p is equal to 1 to 4; A1 is an aromatic heterocyclic group, with the proviso that carbon atoms of the heterocyclic ring are fully substituted by fluorinated sulfonamide groups; and R1, R2, and R3 are linear or branched perfluoroalkylene groups, optionally containing oxygen, chlorine, bromine, or iodine atoms. Polymers and small molecules useful in making polymer electrode membranes, membrane electrode assemblies, and electrochemical cells, such as fuel cells, are also described.

Abstract: A monomer having the structure (I) wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine; and n is 1 or 2. These monomers are used in the preparation of homopolymers and copolymers that are useful in preparing polymer electrolyte membranes. Electrochemical cells, such as fuel cells, containing these membranes are also described.

Abstract: Compositions containing functionalized carbon materials and their use, for example, as films for membranes or in other fabricated forms in electrode assemblies for electrochemical cells and fuel cells such as fuel cells are described.

Abstract: Compositions containing modified fullerenes and their use, for example, as films for membranes in electrode assemblies for electrochemical cells and fuel cells such as fuel cells are described.

Abstract: The present invention provides for a solid polymer electrolyte membrane comprising a fluorinated ionomer having imbibed therein the polymerization product of a composition comprising a non-fluorinated, non-ionomeric monomer, wherein the fluorinated ionomer comprises at least 6 mole % of monomer units having a fluorinated pendant group with a terminal ionic group. Catalyst coated membranes and fuel cells using these membranes are also provided.

Abstract: Described herein are monomers of the formula

Abstract: Disclosed are ionomers comprising functionalized polyolefins having fluoroalkyl sulfonate pendant groups and ionically conductive compositions formed therefrom by the addition of solvents.

Abstract: Selected partially fluorinated olefins containing terminal unfluorinated vinyl groups, and optionally containing other functional groups, may be copolymerized with other olefins such as ethylene and/or propylene using metallocene or Ziegler-Natta type polymerization catalyst systems. The resulting polymers may be used as molding resins, elastomers, for films and in coatings.

Abstract: Selected novel partially fluorinated &agr;,&ohgr;-dienes can be free radically (co)polymerized to form polymers in which cyclic structures are present. The polymers are useful for films, coatings and molded parts.

Abstract: Selected partially fluorinated &agr;,&ohgr;-dienes bearing CF3 substitution can be free radically (co)polymerized to form polymers in which cyclic structures are present. The polymers are useful for films, coating and molded parts.