Abstract: The present invention relates to a process for the preparation of a polyarylether copolymer (P), the polyarylether copolymer (P) obtained by the process and a process for the preparation of a membrane comprising the polyarylether copolymer (P) and the membrane itself.

Abstract: A compound of formula wherein V, W, X and Y represent N or CH, at least one of V, W, X and Y being N and at least two of V, W, X and Y being CH; R1, R2 and R3 are each independently of the other hydrogen, C1-C8 alkyl, C1-C8 alkoxy, nitro, cyano, trifluoromethyl, halogen or hydroxy; and the compound provides good lightfastness properties to textile fibre materials, in particular PES fibre materials.

Abstract: The invention relates to an artificial knee joint comprising; an upper part (10) and a lower part (20) which are mounted on one another such that they can pivot about a pivot axis (12); a hydraulic resistance device (30) between the upper part (10) and the lower part (20), which resistance device provides resistance to a pivoting movement, the resistance device (30) having a switching valve (50) in a hydraulic line (37), the switching valve (50) having a valve body which can be displaced in a displacement direction and, in a first position, blocks or partially closes the hydraulic line (37) and, in a second position, releases the hydraulic line (37) and is designed or positioned in such a manner that a pressure force component acting on the valve body (55) perpendicularly to the displacement direction through the hydraulic fluid generates a holding force that counteracts a displacement of the valve body (55), wherein an actuator (60) for exerting a release force is associated with the valve body (55) and move

Abstract: The present invention relates to a process for the preparation of a polyarylether copolymer (P), the polyarylether copolymer (P) obtained by the process and a process for the preparation of a membrane comprising the polyaryl-ether copolymer (P) and the membrane itself.

Abstract: The present invention relates to a process for producing a shaped body by selective laser sintering of a sinter powder (SP). The sinter powder (SP) comprises at least one semicrystalline polyamide, at least one nylon-6I/6T and at least one polyaryl ether. The present invention further relates to a shaped body obtainable by the process of the invention and to the use of a polyaryl ether in a sinter powder (SP) for broadening the sintering window (WSP) of the sinter powder (SP).

Abstract: A composition has at least one polyarylene (ether) sulfone, semi-aromatic polyamide, aluminum phosphate, and acid scavenger. The composition may further include at least one compatibilizer, fibrous or particulate filler, impact modifier, or auxiliary. The compositions can form a fiber, film, foam, or shaped article. The composition also has 20 to 80% by weight of the polyarylene (ether) sulfone. The polyarylene (ether) sulfone has at most 0.05% by weight of phenolic end groups.

Abstract: The present invention relates to a membrane (M) comprising a sulfonated poly(arylene ether sulfone) polymer (sP) and a non-sulfonated poly(arylene sulfone) polymer (P), to a method for the preparation of the membrane (M) and to the use of the membrane as nanofiltration membrane. Further, the present invention relates to a monolithic film (F) comprising a sulfonated poly(arylene ether sulfone) polymer (sP) and a non-sulfonated poly(arylene sulfone) polymer (P), wherein the monolithic film has a contact angle of 63 to 77°.

Abstract: A method for operating an electric heating system of a kitchen machine and a kitchen machine for carrying out the method are proposed, wherein a measuring temperature of the heating system is determined by means of a temperature element in order to carry out a calibration of a heating element and/or to compare the measuring temperature with a heating temperature of the heating element determined by means of the heating element for identifying a critical heating state.

Abstract: A polyarylene ether sulfone comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one nonsulfonated dihalodiaryl! sulfone (compound B) and C) at least one sulfonated dihalodiaryl sulfone (compound C), a process for its preparation and its use in the preparation of coatings, films, fibers, foams, membranes or molded articles.

Abstract: A polyarylene ether comprising in polymerized form A) at least one tri- or higher functional compound and B) isosorbide. isomannide, isoidide or a mixture thereof, wherein the polyarylene ether is a polyarylene ether sulfone or a polyarylene ether ketone, ¢ process for its preparation and its use in the preparation of a coating, film, fiber, foam, membrane or molded article.

Abstract: A polyarylene ether copolymer comprising i) at least one block comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one unit comprising at least one difunctional compound comprising at least one dichlorodiaryl sulfone, a dichlorodiaryl ketone or a mixture thereof and ii) at least one block comprising in polymerized form C) at least one polyalkylene oxide, a process for its preparation and its use in the preparation of coatings, films, fibers, foams, membranes or molded articles.

Abstract: The present invention relates to a thermoplastic molding composition comprising as components at least one non-sulfonated polyarylene ether sulfone polymer (P), at least one sulfonated polyarylene ether sulfone polymer (sP) and at least one fibrous and/or particulate filler and at least one thermotropic polymer. The present invention furthermore relates to a process for the manufacturing of a molded article using the thermoplastic molding composition and a molded article obtained by this process.

Abstract: The present invention relates to a thermoplastic molding composition comprising as components at least one non-sulfonated polyarylene ether sulfone polymer (P), at least one sulfonated polyarylene ether sulfone polymer (SP) and at least one fibrous and/or particulate filler and at least one polyphenylene sulfide. The present invention furthermore relates to a process for the manufacturing of a molded article using the thermoplastic molding composition and a molded article obtained by this process.

Abstract: The present invention relates to a thermoplastic molding composition comprising as components at least one non-sulfonated polyarylene ether sulfone polymer (P), at least one sulfonated polyarylene ether sulfone polymer (sP) and at least one fibrous and/or particulate filler. The present invention furthermore relates to a process for the manufacturing of a molded article using the thermoplastic molding composition and a molded article obtained by this process.

Abstract: A compound of formula wherein V, W, X and Y represent N or CH, at least one of V, W, X and Y being N and at least two of V, W, X and Y being CH; R1, R2 and R3 are each independently of the other hydrogen, C1-C8 alkyl, C1-C8 alkoxy, nitro, cyano, trifluoromethyl, halogen or hydroxy; and the compound provides good lightfastness properties to textile fibre materials, in particular PES fibre materials.

Abstract: Described herein is a method of using copolyamides c) produced by polymerization of components A?) 15% to 84% by weight of at least one lactam, and B?) 16% to 85% by weight of a monomer mixture (M) including components B1?) at least one C32-C40-dimer acid and B2?) at least one C4-C12-diamine, where the percentages by weight of the components A?) and B?) are in each case based on the sum of the percentages by weight of the components A?) and B?), the method including using the copolyamides c) to increase an impact strength and/or breaking elongation of molded articles made of molding materials including thermoplastic polyamides, which are different from copolyamides c).

Abstract: The present invention relates to a process for the separation of propylene from a gas mixture (GM) comprising propylene and propane by means of a membrane (M) comprising a polyarylene ether sulfone polymer (P) prepared by converting a reaction mixture (RG) comprising at least one aromatic dihalogen sulfone and at least one dihydroxy component comprising trimethylhydroquinone.

Abstract: Disclosed herein is a method for producing a thermally stable thermoplastic polyoxazolidinone compound including the steps of mixing (a) at least one diisocyanate, (b) at least one organic compound having two epoxide groups, (c) at least one catalyst, catalyzing the formation of oxazolidinone groups and (d) optionally at least one solvent to form a polyoxazolidinone, and contacting this polyoxazolidinone with carbon dioxide. Further disclosed herein are a thermoplastic polyoxazolidinone, obtained from the disclosed method, a method for producing a molded part including the step of melting the polyoxazilodinone, introducing the melt into a mold, cooling the polyoxazolidinone in the mold to temperatures below its melting point and demolding the obtained molded part, and a molded part obtained by such a method.

Abstract: An electrode structure and its method of manufacture are disclosed. The disclosed electrode structures may be manufactured by depositing a first release layer on a first carrier substrate. A first protective layer may be deposited on a surface of the first release layer and a first electroactive material layer may then be deposited on the first protective layer.

Abstract: A compound of formula wherein V, W, X and Y represent N or CH, at least one of V, W, X and Y being N and at least two of V, W, X and Y being CH; and R1, R2 and R3 are each independently of the other hydrogen, C1-C8alkyl, C1-C8alkoxy, nitro, cyano, trifluoromethyl, halogen or hydroxy; with the proviso that the compounds of formulae are excluded, provides good lightfastness properties to textile fibre materials, in particular PES fibre materials.