Abstract: The present invention is directed to ultrafiltration membranes comprising a membrane substrate layer (S) based on a sulfonated polyaryleneethersulfone polymer and to a method for their preparation. Furthermore, the present invention is directed to ultrafiltration processes making use of said membrane.

Abstract: The present invention relates to a process for the production of low-halogen-content polybiphenyl sulfone polymers, to the resultant polybiphenyl sulfone polymers, to polybiphenyl sulfone polymers having less than 400 ppm content of polymer-bonded halogen, to thermoplastic molding compositions comprising these polybiphenyl sulfone polymers, and to their use for the production of moldings, of fibers, of films, of membranes, or of foams.

Abstract: The present invention is directed to thin film composite membrane (TFC membrane) comprising a substrate layer (S) based on a sulfonated polymer, e.g. a sulfonated polyarylether, and a polyamide film layer (F) and further to a method for their preparation. Furthermore, the present invention is directed to osmosis processes, in particular to forward osmosis (FO) processes, using said membrane.

Abstract: The present invention is directed to positively charged nanofiltration (NF) membranes comprising a substrate layer (S) based on a sulfonated polymer and a positively charged film layer (F) on top of said substrate, and to a method for their preparation. Furthermore, the present invention is directed to nanofiltration processes making use of said composite membrane.

Abstract: The present invention relates to a process for the production of low-halogen-content polybiphenyl sulfone polymers, to the resultant polybiphenyl sulfone polymers, to polybiphenyl sulfone polymers having less than 400 ppm content of polymer-bonded halogen, to thermoplastic molding compositions comprising these polybiphenyl sulfone polymers, and to their use for the production of moldings, of fibers, of films, of membranes, or of foams.

Abstract: The present invention relates to a process for the production of low-chlorine-content polybiphenyl sulfone polymers, to the polybiphenyl sulfone polymers obtainable in this way, to polybiphenyl sulfone polymers with less than 800 ppm content of organically bonded chlorine, to thermoplastic molding compositions and moldings, fibers, films, membranes, or foams comprising the polybiphenyl sulfone polymers mentioned, and also to their use for the production of moldings, of fibers, of films, of membranes, or of foams.

Abstract: The present invention relates to a process for the production of low-chlorine-content polybiphenyl sulfone polymers, to the polybiphenyl sulfone polymers obtainable in this way, to polybiphenyl sulfone polymers with less than 800 ppm content of organically bonded chlorine, to thermoplastic molding compositions and moldings, fibers, films, membranes, or foams comprising the polybiphenyl sulfone polymers mentioned, and also to their use for the production of moldings, of fibers, of films, of membranes, or of foams.

Abstract: The present invention relates to a process for preparing a block copolymer comprising polyarylene ether and polyalkylene oxide blocks, comprising the reaction of an HO-terminated polyarylene ether with a monomeric alkylene oxide. The present invention also relates to a block copolymer obtainable from this process. The invention additionally relates to a triblock polymer with polyalkylene oxide-polyaryl ether-polyalkylene oxide blocks.

Abstract: The present invention relates to a process for preparing a block copolymer comprising poly-arylene ether and polyalkylene oxide blocks, comprising the reaction of an HO-terminated poly-arylene ether with a monomeric alkylene oxide. The present invention also relates to a block copolymer obtainable from this process. The invention additionally relates to a triblock polymer with polyalkylene oxide-polyaryl ether-polyalkylene oxide blocks.

Abstract: A thermoplastic molding composition, comprising: A) from 40 to 97.9% by weight of at least one polyether sulfone, B) from 2 to 59.9% by weight of at least one polysulfone, C) from 0.1 to 2% by weight of stearic acid, and also, if appropriate, further additives and auxiliaries, has improved flowability, surface quality, and notched impact resistance, and can be used for the construction of headlamps.

Abstract: The invention relates to thermoplastic molding compositions comprising (A) from 34 to 99.99% by weight of at least one thermoplastic polymer selected from (i) polyarylene ethers, (ii) polyetherimides, (iii) polyarylene sulfides, and (iv) polycarbonates with glass transition temperature of at least 145° C., or else copolymers of the abovementioned polymers (i) to (iv), (B) from 0.01 to 10% by weight of at least one organic black pigment which is transparent in the range from 1000 nm to 1600 nm and which has thermal stability up to at least 300° C. to DIN EN 12877-1, (C) from 0 to 6% by weight of at least one mold-release agent selected from fatty acids, or from esters and amides, (D) from 0 to 50% by weight of one or more additives, where the total of the % by weight figures from (A), (B), (C) and (D) gives 100% by weight. The invention further relates to a process for preparation of the thermoplastic molding compositions, and to the moldings obtainable therefrom.

Abstract: The present invention relates to a process for the production of polyarylene ether block copolymers comprising, in a first stage, the reaction of at least one aromatic dihydroxy compound comprising 4,4?-dihydroxybiphenyl in a molar excess and of at least one aromatic dihalogen compound, to form a polybiphenyl sulfone polymer, and then, in a second stage, the reaction of the polybiphenyl sulfone polymer with at least one aromatic dihydroxy compound and of at least one aromatic dihalogen compound. The invention further relates to the resultant polyarylene sulfone block copolymers and to the use of the polyarylene sulfone block copolymers for the production of moldings, fibers, films, or foams.

Abstract: The present invention relates to thermoplastic molding compositions and moldings with improved wear resistance comprising at least one thermoplastic matrix M, at least one carbon reinforcing fiber F, at least one carbon component K; at least one silicate component S, where the at least one silicate component S comprises particles which have, in any particle dimension, a length/thickness ratio greater than or equal to 3, and at least one titanium dioxide T.

Abstract: The present invention relates to the use of a molding composition for producing a feed container consisting essentially of a copolymer composed of (A) from 5 to 60% by weight of units of the formula (I) (B) from 40 to 95% by weight of units of the formula (II) where the total of the proportions by weight is 100% by weight, based on the copolymer, and where the demolding force of the molding composition is from 1800 to 2800 N.

Abstract: The present invention relates to thermoplastic molding compositions composed of the following components: (A) at least one polyarylene ether (A1) having an average of at most 0.1 phenolic end groups per polymer chain, and at least one polyarylene ether (A2) having an average of at least 1.5 phenolic end groups per polymer chain, (B) at least one fibrous or particulate filler, and (C) optionally further additives and/or processing aids. The present invention further relates to a process for producing the thermoplastic molding compositions of the invention, the use of these for producing moldings, fibers, foams, or films, and to the resultant moldings, fibers, foams, and films.

Abstract: The present invention relates to the use of a molding composition for producing a feed container consisting essentially of a copolymer composed of (A) from 5 to 60% by weight of units of the formula (I) and (B) from 40 to 95% by weight of units of the formula (II) where the total of the proportions by weight is 100% by weight, based on the copolymer, and where the demolding force of the molding composition is from 1800 to 2800 N.

Abstract: The present invention is directed to thin film composite membranes (TFC membranes) comprising a substrate layer (S) based on a sulfonated polyphenylenesulfone, and a polyamide film layer (F) and further to a method for their preparation. Furthermore, the present invention is directed to osmosis processes, in particular to forward osmosis (FO) processes, using said membrane.

Abstract: The present invention is directed to positively charged nanofiltration (NF) membranes comprising a substrate layer (S) based on a sulfonated polymer and a positively charged film layer (F) on top of said substrate, and to a method for their preparation. Furthermore, the present invention is directed to nanofiltration processes making use of said composite membrane.

Abstract: The present invention is directed to ultrafiltration membranes comprising a membrane substrate layer (S) based on a sulfonated polyaryleneethersulfone polymer and to a method for their preparation. Furthermore, the present invention is directed to ultrafiltration processes making use of said membrane.

Abstract: The invention relates to the use of a thermoplastic molding composition which comprises at least one polybiphenyl ether sulfone polymer, to produce moldings for conveying gas.