Abstract: Membranes for use in methods and apparatuses for hemodialysis and hemofiltration are composed of at least one polyarylethernitrile block copolymer having structural units of formula I wherein Z is a direct bond, O, S, CH2, SO, SO2, CO, RPO, CH2, alkenyl, alkynyl, a C1-C12aliphatic radical, a C3-C12cycloaliphatic radical, a C3-C12aromatic radical or a combination thereof; R is a C6-12 aromatic radical or a C1-12aliphatic radical; R1 and R2 are independently H, halo, nitro, a C1-C12aliphatic radical, a C3-C12cycloaliphatic radical, a C3-C12aromatic radical, or a combination thereof; a is 0, 1, 2 or 3; b is 0, 1, 2, 3 or 4; and m and n are independently 0 or 1.

Abstract: Membranes comprising functional polyarylether having structural units of formula II are useful for hemodialysis and hemofiltration: wherein X is selected from Br, NR4R5, OOCR6, OR7, NR4COR5, NR4CONR5R6, NR4COOR5R6 and combinations thereof; R1, R2 and R3 are independently at each occurrence H, X, halo, cyano, nitro, a C1-C12 aliphatic radical, a C3-C12 cycloaliphatic radical, a C3-C12 aromatic radical or a combination thereof; R4 and R5 are independently H, a C1-10 aliphatic radical, a C3-C12cycloaliphatic radical, a C3-C12 aromatic radical, or a combination thereof; R6 is H, a C2-10 aliphatic radical, a C3-C12 cycloaliphatic radical, a C3-C12 aromatic radical or a combination thereof; R7 is OCH2CH2(OCH2CH2)nOH or OOCCH2(OCH2CH2)nCH3; Q is a direct bond, O, S, CH2, alkenyl, alkynyl, a C1-C12 aliphatic radical, a C3-C12 cycloaliphatic radical, a C3-C12 aromatic radical or a combination thereof; Z is a direct bond, O, S, CH2, SO, SO2, CO, phenylphospinyl oxide, alkenyl, alkynyl, a C1-C12aliphatic radical,

Abstract: A method for hemodialysis and hemofiltration includes contacting blood with a porous membrane in a hollow fiber or flat sheet configuration. The membrane comprises a polyarylethernitrile sulfone having structural units of formula I wherein R1 and R2 are independently H, nitro, a C1-C12 aliphatic radical, a C3-C12 aromatic radical, or a combination thereof; a is 0, 1, 2 or 3; b is 0, 1, 2, 3 or 4; and m and n are independently 0 or 1.

Abstract: The invention relates generally to monomers comprising superacidic functional groups. The superacidic functional groups comprise fluorinated sulfonate moieties. Monomers provided by the present invention include dihydroxy aromatic compounds, aromatic diamines, aromatic dicarboxylic acids, aromatic diacarboxylic acid esters, aromatic dithiols, and monomers comprising mixed functionalities, for example monomers comprising an aromatic amine group and an aromatic hydroxyl group. The monomers provided by the present invention are useful in the preparation of novel polymers comprising superacidic functional groups, materials useful in membrane applications. The superacidic functional groups present in the polymer compositions impart excellent proton conductivities. In one embodiment, the present invention provides monomers which may be used to prepare polymers useful as materials for polymer electrolyte fuel cell membranes.

Abstract: A pigment contains one or more substantially spherical-shaped beads. Each substantially spherical-shaped bead includes one or more high aspect ratio particles encapsulated within an encapsulating material. Resinous compositions containing this pigment and a plastic, for example a polycarbonate, have a flowline-free colored, sparkling and/or metallescent appearance.

Abstract: Embodiments of this invention comprise a pigment comprising one or more substantially spherical-shaped beads, wherein each substantially spherical-shaped bead comprises one or more high aspect ratio particles encapsulated within an encapsulating material. Embodiments also comprise a resinous composition comprising said pigment. Yet further embodiments comprise a method of preparing said pigment via suspension polymerization.

Abstract: Provided is a fluorine substituted oligomeric or polymeric ester including the reaction product of a fluorine substituted acrylate or a fluorine substituted methacrylate; an unsaturated anhydride; and an alkyl acrylate or an alkyl methacrylate. Also provided is a method of making the composition.

Abstract: Reactive monomers containing the trifluorovinyloxy group may be copolymerized to form polymers useful as membranes, especially polymer electrolyte membranes for fuel cells. The monomers have the formula ((CF2CFO(R1)p)nArX2 wherein Ar is a trivalent, tetravalent or pentavalent, substituted or unsubstituted, aromatic or heteroaromatic, monocyclic or polycyclic group having from 5 to 50 carbon atoms; X is OH, SH, NR2aR2b, F or Br; p is 0 or 1; n is 1, 2 or 3; R1 is substituted or unsubstituted phenyl and R2a and R2b are independently H, C1-C8 alkyl or C1-C8 perfluoroalkyl.

Abstract: An embodiment of a method of encapsulation of a material comprises dispersing high aspect ratio particles in a monomer and/or a polymer to form a suspension mixture, adding the suspension mixture to an aqueous mixture to form an aqueous reaction mixture, heating and mixing the aqueous reaction mixture to encourage the formation of substantially spherical-shaped beads, quenching the aqueous reaction mixture after the substantially spherical-shaped beads are formed, and collecting the substantially spherical-shaped beads.

Abstract: High heat polyethersulfone compositions are provided which possess unexpectedly high glass transition temperatures. The polyethersulfone compositions comprise structural units derived from phthalimide bisphenols such as 3,3-bis(4 -hydroxyphenyl)-N-phenylphthalimide, and structural units derived from at least one biphenyl-bissulfone such as 4,4?-bis((4-chlorophenyl)sulfonyl)-1,1?-biphenyl. The novel polyethersulfone compositions may further comprise structural units derived from one or more biphenols such as 4,4?-biphenol, bisphenols such as BPA, or other electrophilic sulfone monomers, such as bis(4-chlorophenyl)sulfone. In one embodiment, the polyethersulfone composition of the present invention comprises structural groups derived exclusively from 3,3-bis(4-hydroxyphenyl)-N-phenylphthalimide, and 4,4?-bis((4-chlorophenyl)sulfonyl)-1,1?-biphenyl and exhibits a single glass transition of greater than 300° C.

Abstract: High heat polyethersulfone compositions are provided which possess unexpectedly high glass transition temperatures. The polyethersulfone compositions comprise structural units derived from phthalimide bisphenols such as 3,3-bis(4-hydroxyphenyl)-N-phenylphthalimide, and structural units derived from at least one biphenyl-bissulfone such as 4,4?-bis((4-chlorophenyl)sulfonyl)-1,1?-biphenyl. The novel polyethersulfone compositions may further comprise structural units derived from one or more biphenols such as 4,4?-biphenol, bisphenols such as BPA, or other electrophilic sulfone monomers, such as bis(4-chlorophenyl)sulfone. In one embodiment, the polyethersulfone composition of the present invention comprises structural groups derived exclusively from 3,3-bis(4-hydroxyphenyl)-N-phenylphthalimide, and 4,4?-bis((4-chlorophenyl)sulfonyl)-1,1?-biphenyl and exhibits a single glass transition of greater than 300° C.

Abstract: Sulfonated block copolymer suitable for use as proton exchange membranes for fuel cells comprise sulfonated polyaryletherketone blocks and polyethersulfone blocks. The sulfonated polyaryletherketone blocks comprise structural units of formula the polyethersulfone blocks comprising structural units of formula wherein R1, R2, R3 and R4 are independently C1-C10 alkyl, C3-C12 cycloalkyl, C6-C14 aryl, allyl, alkenyl, alkoxy, halo, or cyano; Z and Z1 are independently a direct bond or O, S, (CH2)r, (CF2)r, C(CH3)2, C(CF3)2, or a combination thereof; M is H, a metal cation, a non-metallic inorganic cation, an organic cation or a mixture thereof a is 0 or an integer from 1 to 3; b, c and d are independently 0 or an integer from 1 to 4; m and n are independently 0 or 1; and r is an integer from 1 to 5.

Abstract: High heat polyethersulfone compositions are provided which possess unexpectedly high glass transition temperatures. The polyethersulfone compositions comprise structural units derived from fluorenone bisphenols such as 9,9-bis(4-hydroxyphenyl)fluorene, and structural units derived from at least one biphenyl-bissulfone such as 4,4?-bis((4-chlorophenyl)sulfonyl)-1,1?-biphenyl. The novel polyethersulfone compositions may further comprise structural units derived from one or more biphenols such as 4,4?-biphenol, bisphenols such as BPA, or other electrophilic sulfone monomers, such as bis(4-chlorophenyl)sulfone. In one embodiment, the polyethersulfone composition of the present invention comprises structural groups derived exclusively from 9,9-bis(4-hydroxyphenyl)fluorene and 4,4?-bis((4-chlorophenyl)sulfonyl)-1,1?-biphenyl and exhibits a single glass transition of greater than 300° C.

Abstract: Provided is a fluorine substituted oligomeric or polymeric ester including the reaction product of a fluorine substituted acrylate or a fluorine substituted methacrylate; an unsaturated anhydride; and an alkyl acrylate or an alkyl methacrylate. Also provided is a method of making the composition.

Abstract: Provided is a fluorine substituted oligomeric or polymeric ester including the reaction product of a fluorine substituted acrylate or a fluorine substituted methacrylate; an unsaturated anhydride; and an alkyl acrylate or an alkyl methacrylate. Also provided is a method of making the composition.

Abstract: Sulfonated polyethersulfones and polymer compositions comprising sulfonated polyethersulfones and at least one inorganic heteropolyacid are useful as proton exchange membranes for fuel cells.

Abstract: Polyethersulfones having Tg greater than about 225° C. and a notched Izod value greater than about 1 ft-lb/in, as measured by ASTM D256, comprise from about 5 mol % to less than about 40 mol % structural units of formula 1; and from greater than about 60 mol % to about 95 mol % structural units of formula 2 wherein R1, R2, and R3 are independently at each occurrence a halogen atom, a nitro group, a cyano group, a C1-C12 aliphatic radical, C3-C12 cycloaliphatic radical, or a C3-C12 aromatic radical; n, m, q are independently at each occurrence integers from 0 to 4; and Q is a C3-C20 cycloaliphatic radical, or a C3-C20 aromatic radical.

Abstract: A polyethersulfone composition is disclosed which comprises structural units derived from bisphenol-A and 4,4?-biphenol, the structural units derived from 4,4?-biphenol being present in an amount corresponding to greater than 65 mole percent based on total moles of structural units derived from diphenolic monomers, wherein the polyethersulfone has a weight average molecular weight (Mw) of at least 54,000 grams per mole as measured by gel permeation chromatography. The polyethersulfone compositions of the invention display outstanding impact strength as measured using ASTM D256. Surprisingly, the polyethersulfone compositions of the invention show enhanced impact strength relative to known polyethersulfones such as RADEL R, a commercially available polyethersulfone engineering thermoplastic comprised of structural units derived from a dihalodiarylsulfone and 4,4?-biphenol and having a Notched Izod impact strength of about 700 Joules per meter.

Abstract: A polyethersulfone composition is disclosed which comprises structural units derived from a monomer mixture comprising fluorenylidene bisphenol-A and at least 50 mole percent of 4,4?-biphenol based on total moles of diphenolic monomers, wherein the polyethersulfone has a minimum glass transition temperature of 235° C. and a notched Izod impact value of 1 ft-lb/in. as measured by ASTM D256.

Abstract: Novel polyethersulfone compositions have been discovered which incorporate structural subunits derived from sulfonated bis(halophenyl)sulfones, dihydroxy terphenyls, and/or bis(hydroxyphenyl)pyridines. The sulfonated polyethersulfones show promise as materials for use in polymer electrolyte membranes (PEMs) in fuel cells owing to their high proton conductivities (0.02-0.07 S/cm at 20° C. and 100 percent humidity). In addition, a novel unsulfonated thermoplastic polyethersulfone comprising structural subunits derived from a non-sulfonated bis(halophenyl)sulfone bis4-fluorophenyl)sulfone and 4,4?-dihydroxyphenyl-2,6-pyridine (CAS No. 171820-16-9) is disclosed.