Abstract: A solvent-resistant polymeric membrane comprising a solvent-inert polymer having a solubility parameter greater than 18 (J/cm3)0.5, such as a polyketone, a polyether ketone, polyarylene ether ketone ketone, a polyimide, a polyetherimide, or a polyphenylene sulfide, is described. The solvent-resistant polymeric membrane can be prepared by methods in which solvent-inert polymers form a solution at room temperature.

Abstract: Provided is a composition including a polyarylene ether polymer or copolymer comprising a zwitterionic, group. The zwitterionic group can derive from a zwitterionic precursor such as 4-(2-hydroxyethyl)-1-piperazine ethane sulfonic acid and comprises at least one atom of sulfur, phosphorus, or nitrogen. Embodiments also relate to an article, made from the composition, such as a membrane.

Abstract: A membrane is provided that is formed from a composition. The composition comprises a polyarylene ether polymer or copolymer comprising a zwitterion; or comprises a polyarylene polymer or copolymer comprising a zwitterion.

Abstract: Membranes for use in methods and apparatuses for hemodialysis and hemofiltration are composed of at least one membrane comprising a polyarylethernitrile having structural units of formula 1, 2, 3 and 4 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 C6-12aromatic 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; m and n are independently 0 or 1; and Q and Z are different.

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 I are useful for hemodialysis and hemofiltration: wherein X is selected from Br, NR4R5, OOCR6, OR7, NR4CONR5R6, NR4COOR5R6 and combinations thereof; R1, R2 and R3 are independently at each occurrence CH2X, H, halo, cyano, nitro, a C1-C12aliphatic radical, a C3-C12cycloaliphatic radical, a C3-C12aromatic 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; Z is a direct bond, O, S, SO, SO2, CO, phenylphospinyl oxide, alkenyl, alkynyl, a C1-C12aliphatic radical, a C3-C12cycloaliphatic radical, a C3-C12 aromatic radical or a combination thereof; a, b, and c are independently 1 or 2; and m, n and p 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: A varnish composition for producing an electrically insulative thermoset coating is provided. The varnish composition includes poly(phenylene ether) having at least one end group having aliphatic unsaturation and a reactive solvent. When cured, the poly(phenylene ether) and reactive solvent form an electrically insulative thermoset.

Abstract: A poly(arylene ether) copolymer is formed by oxidative copolymerization of monomers including 2,6-dimethylphenol and a phenyl-substituted monohydric phenol having a particular structure. In some instances, the monomers also include 2-methylphenol and/or 2,2-bis(3,5-dimethyl-4-hydroxy)propane. The poly(arylene ether) copolymer is much more soluble than a homopolymer of 2,6-dimethylphenol, and it can be dissolved at room temperature in a wide variety of solvents. The resulting solutions can be used to conveniently add the poly(arylene ether) copolymer to a thermoset composition.

Abstract: A conductive thermosetting composition comprises a functionalized poly(arylene ether), an alkenyl aromatic monomer, an acryloyl monomer, and a conductive agent. After curing, the composition exhibits good stiffness, toughness, heat resistance, and conductivity, and it is useful in the fabrication of a variety of conductive components, including the bipolar plates of fuel cells.

Abstract: A composition containing a solvent and a soluble poly(arylene ether) copolymer is described. The poly(arylene ether) copolymer is the product of oxidative polymerization of monomers including a first monohydric phenol having identical substituents in the 2- and 6-positions, and a second monohydric phenol comprising ethylenic unsaturation and having different substituents in the 2- and 6-positions. The solvent may be a ketone, a dialkylamide, a dialkyl ether, an aromatic hydrocarbon, a chlorinated hydrocarbon, an alkyl alkanoate, an alkyl cyanide, a dialkyl sulfoxides, or a mixture thereof. The poly(arylene ether) has a solubility in the composition of at least 10 grams per kilogram of composition at 25° C.

Abstract: A composition containing a solvent and a soluble poly(arylene ether) copolymer is described. The poly(arylene ether) copolymer is the product of oxidative polymerization of monomers including a first monohydric phenol having identical substituents in the 2- and 6-positions, and a second monohydric phenol having different substituents in the 2- and 6-positions. The monomers are free of ethylenic unsaturation. The solvent may be a ketone, a dialkylamide, a dialkyl ether, an aromatic hydrocarbon, a chlorinated hydrocarbon, an alkyl alkanoate, an alkyl cyanide, a dialkyl sulfoxide, or a mixture thereof. The poly(arylene ether) has a solubility in the composition of at least 10 grams per kilogram of composition at 25° C.

Abstract: A cross-linked polyimide is disclosed. The cross-linked polyimide includes a polyimide and at least one oxygenated hydrocarbon. The oxygenated hydrocarbon cross-links the polyimide. A porous cross-linked membrane is also disclosed. The porous cross-linked membrane includes a support structure and a cross-linked polyimide disposed on the support structure. The cross-linked polyimide includes a polyimide; and at least one oxygenated hydrocarbon cross-linking the polyimide. Also disclosed are methods of making the cross-linked polyimide and the porous cross-linked membrane.

Abstract: A method of removing an oil-soluble metal from a hydrocarbon feedstock comprises passing the hydrocarbon feedstock through a nanofiltration membrane or a reverse osmosis membrane to produce a permeate stream having at least a vanadium concentration less than an initial vanadium concentration in the hydrocarbon feedstock, and a retentate stream having at least a vanadium concentration greater than the initial vanadium concentration in the hydrocarbon feedstock.

Abstract: A core-shell particle including a core with poly(arylene ether) and a shell with an ethylenically unsaturated copolymer is described. Also described are a method of forming the particle, a composition including the particle, and an article including such a composition.

Abstract: An encapsulant for encapsulating electronic components and a method of making and/or using the encapsulant may be provided. An electronic device that includes the encapsulant may be provided. The curable encapsulant composition may include a mixture of a functionalized polymer and at least one reactive monomer composition. The reactive monomer composition may include a reactive monomer component that may be a low temperature solid and may be present in an amount in the reactive monomer composition a range of greater than about 20 weight percent based on the total weight of reactive monomer composition. The mixture, at about low temperature, may be solid or tack-free, or both solid and tack-free.

Abstract: A curable composition includes a functionalized poly(arylene ether), an olefinically unsaturated monomer, and a nanofiller. Suitable nanofillers include, for example, carbon nanofibers and nanotubes, main group metal oxides, transition metal oxides, metal carbides, cermet materials, ceramics, glass, perovskites, layered inorganic materials, fibrillar inorganic materials, and combinations thereof. The nanofiller may, optionally, be rendered more organophilic by intercalation with neutral or ionic molecules. Methods of preparing and curing the composition, as well as uses for the cured composition, are described.

Abstract: A method of preparing a capped poly(arylene ether) resin includes reacting a capping agent with a blend of two or more poly(arylene ether) resins having different intrinsic viscosities. Cured compositions prepared from these capped poly(arylene ether) resins exhibit improved balances of stiffness, toughness, and dielectric properties compared to compositions with two or more separately capped and isolated poly(arylene ether) resins.

Abstract: A curable composition includes a poly(arylene ether) and a fused alicyclic (meth)acrylate monomer. Also described are a method of preparing the composition, a cured composition derived from the curable composition, and an article comprising the cured composition. The composition is useful, for example, as a bulk molding compound.