A low cost, high selectivity asymmetric polyimide/polyethersulfone (PES) blend hollow fiber membrane, a method of making the membrane and its use for a variety of liquid, gas, and vapor separations such as deep desulfurization of gasoline and diesel fuels, ethanol/water separations, pervaporation dehydration of aqueous/organic mixtures, CO.sub.2/CH.sub.4, CO.sub.2/N.sub.2, H.sub.2/CH.sub.4, He/CH.sub.4, O.sub.2/N.sub.2, H.sub.2S/CH.sub.4, olefin/paraffin, iso/normal paraffins separations, and other light gas mixture separations. The polyimide/PES blend hollow fiber membrane is fabricated from a blend of a polyimide polymer and PES and showed surprisingly unique gas separation property with higher selectivities than either the polyimide hollow fiber membrane without PES polymer or the PES hollow fiber membrane without PES polymer for gas separations such as for H.sub.2/CH.sub.4, He/CH.sub.4, H.sub.2S/CH.sub.4, CO.sub.2/CH.sub.4 separations.

The invention pertains to a polymer composition possessing improved resistance towards degradation and discolouring phenomena induced by UV radiation, said composition comprising at least one aromatic sulfone polymer; at least one organic UV absorber and at least one basic compound selected from the group consisting of (i) basic oxides and hydroxides of divalent metals and (ii) salts of a weak acid, and to methods for its manufacture and to shaped articles obtained therefrom.

Provided are a porous film having excellent surface smoothness and a method for producing the same. The surface roughness of a porous film of polyvinylidene fluoride, polyethersulfone, polyimide and/or polyamide-imide is Ra 30,000 Å or less. The opening diameter of the porous film is preferably from 100 nm to 5000 nm. The method for producing a porous film preferably includes a step for kneading a varnish containing fine particles and at least one resin selected from the group consisting of polyvinylidene fluoride, polyether sulfone, polyamic acid, polyimide, polyamide-imide precursor, and polyamide-imide. The varnish preferably has a viscosity at 25° C. of 0.1-3 Pa.Math.s, a solids fraction concentration of 10-50 mass %, and a fine particle average particle size of 10-5000 nm.

The invention relates to a side-chain functionalized copolymer (P1) and to the process for preparing the side-chain functionalized copolymer (P1). The present invention also relates to the use of the copolymer (P1) in the preparation of a membrane, a composite material or a coating.

A core/shell polymer material suitable for three-dimensional printing is provided. The core/shell polymer material may include at least one amorphous polymer as a core particle and at least one semicrystalline polymer as a shell material surrounding the core particle.

Provided herein are membrane electrode assemblies (MEAs) for CO.sub.x reduction and carbon dioxide reduction reactors (CRRs) that include MEAs.

The disclosure is directed at a method and system for generating a polymer-perovskite hybrid (PPH). The PPH can then be used in the manufacture of a final product, such as a solar cell or photon detectors. The PPH is generated by the mixing of a precursor solution including a Lewis acid chemical component and a cation component with a polymer. The mixture is then synthesized to generate the PPH.

A resin composition includes a phenoxy resin as a principal component. The phenoxy resin has a weight-average molecular weight of 40,000 or more. The phenoxy resin has, in the same or different molecules, a first structural unit derived from bisphenol S phenoxy and a second structural unit derived from a bisphenol epoxy other than the bisphenol S phenoxy. A content ratio of the first structural unit in the phenoxy resin is 20 mol% to 80 mol% relative to a total content of the first structural unit and the second structural unit constituting the phenoxy resin.

A solid, ionically conductive, non-electrically conducting polymer material with a plurality of monomers and a plurality of charge transfer complexes, wherein each charge transfer complex is positioned on a monomer.

Granulate based on high-temperature thermoplastics with a bulk density in the range of 100 to 650 kg/m.sup.3 in accordance with DIN ISO 697:1984 and less than 1% by weight content of volatile organic compounds, and also method for their production and use for the production of membranes or coatings, or for the toughness-modification of reactive resins.