摘要:
The present invention relates to compositions comprising the following components: (A) at least one polyarylene ether, (B) at least one polyarylene sulfide, and (C) at least one anhydride of a polybasic carboxylic acid with a number-average molar mass of at most 600 g/mol. The present invention moreover relates to the use of the abovementioned anhydrides of polybasic carboxylic acids in compositions comprising at least one polyarylene ether and at least one polyarylene sulfide.
摘要:
The present invention relates to a process for the preparation of a polymer composition comprising (a) the provision of at least one polyarylene ether (P) having predominantly terminal phenolate groups in the presence of a solvent (L), (b) the addition of at least one polyfunctional carboxylic acid and (c) the isolation of the polymer composition as a solid. The present invention also relates to polymer compositions obtainable by the process, mixtures which comprise these polyarylene ethers and the use of the polymer compositions according to the invention for toughening epoxy resins.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
The present invention provides polymer blends comprising the components (a) from 40% to 95% by weight of at least one polyaryl ether copolymer constructed of (a1) from 50% to 99.9% by weight of building units of the general formula I and from 0% to 40% by weight of further building units II selected from segments of one or more thermoplastic polymers, and (a2) from 0.1% to 10% by weight of at least one crosslinker V having at least three hydroxyl functionalities, the at least one crosslinker V being present in component (a) in converted form and the sum total of % by weight for (a1) and (a2) being 100% by weight, and (b) from 5% to 60% by weight of at least one hydrophilic polymer selected from polyvinylpyrrolidone, polyvinylpyrrolidone copolymers, polyethylene glycol, polypropylene glycol, copolymers of ethylene glycol and propylene glycol, water-soluble cellulose derivatives, polyamide, polyvinyl acetate and polyvinyl alcohol, where the sum total of % by weight for components (a) and (b) is 100% by weight. The present invention also provides combinations of distinct components (a) and (b) for conjoint use. The invention further provides polymer membranes comprising the aforementioned polymer blends and also a process for their production and the use of the polymer membranes for producing dialysis filters. The present invention also provides dialysis filters comprising the aforementioned hollow fiber membranes.