Abstract: Process for preparing polymeric aromatic phosphonates and also polymeric aromatic phosphonates which can be prepared by the process of the invention and blends comprising these polymeric aromatic phosphonates and at least one further polymer and also films, composites and membranes comprising these polymers or blends, the use of the membranes of the invention in fuel cells or in separation technology and also fuel cells comprising the membranes of the invention.

Abstract: The present invention relates to oligomeric or polymeric siloxanes comprising phosphonic acid groups, a process for preparing them, oligomeric or polymeric siloxanes comprising silyl phosphonate and/or alkyl phosphonate groups, blends comprising at least one oligomeric or polymeric siloxane according to the invention comprising polyphosphonic acid groups and/or at least one oligomeric or polymeric siloxane comprising silyl phosphonate and/or alkyl phosphonate groups and at least one further polymer, membranes, films or composites comprising at least one oligomeric or polymeric siloxane according to the invention comprising phosphonic acid groups and/or at least one oligomeric or polymeric siloxane according to the invention comprising silyl polyphosphonate and/or alkyl polyphosphonate groups or a blend according to the invention, and also various uses of oligomeric or polymeric siloxanes comprising phosphonic acid groups and/or oligomeric or polymeric siloxanes comprising silyl phosphonate and/or alkyl phosph

Abstract: The present invention relates to halogen-free, oligomeric or polymeric phosphonic acids made up of units of the general formula (I) —[(O)m—{R1(X)n(Y)o}pR1(X)q]r—[(O)s—R5(X)t]v—??(I), where: X is —P?O(OH)2, Y is carbonyl or sulfonyl, R1, R5 are, independently of one another, divalent or polyvalent, substituted or unsubstituted, heteroatom-free or heteroatom- comprising aromatic radicals, m, o, s are each, independently of one another, 0 or 1, n, q, t are each, independently of one another, 0 or an integer from 1 to 8, with n and s not simultaneously being 0, r, v are each, independently of one another, from 0 to 1, with the sum of r and v being from 0.95 to 1.

Abstract: A method of preparing a polymer system which is capable of proton-exchange on the basis of at least one polyaryletherketone, comprising the step (i): (i) Reacting the at least one polyaryletherketone with at least one alkanesulfonic acid to obtain sulfur-containing polyaryletherketones (I), and sulfonated polyaryletherketones which can be prepared via the method according to the invention and their use as a polymer electrolyte membrane.

Abstract: A process is described for preparing diaminodiarylmethanes comprising the steps a) reacting an aromatic amine with a methylene-donating agent in the presence of homogeneous acid catalysts, b) removing the homogeneous acid catalyst from the reaction product, c) working up and purifying the reaction product, which comprises removing the homogeneous acid catalyst from the reaction mixture by adsorption to a solid adsorbent.

Abstract: A mixture Ia which comprises a composition IIa consisting of a) 1 to 95% by weight of a solid III, preferably a basic solid III, having a primary particle size of 5 nm to 20 microns, and b) 5 to 99% by weight of a polymeric mass IV obtainable by polymerizing b1) 5 to 100% by weight, based on the mass IV of a condensation product V of ?) at least one compound VI which is capable to react with a carboxylic acid or a sulfonic acid or a derivative thereof or a mixture of two or more thereof, and ?) at least one mole per mole of the compound VI of a carboxylic acid or a sulfonic acid VII which exhibits at least one radically polymerizable functional group, or a derivative thereof or a mixture of two or more thereof and b2) 0 to 95% by weight, based on the mass IV, of a further compound VIII having an average molecular weight (number average) of at least 5000 and having polyether segments in the main or side chain, wherein the proportion by weight of the composition IIa in the mixture Ia is 1 to 100% by weigh

Abstract: The compositions comprise: (a) from 1 to 99% by weight of a pigment (I) having a primary particle size of from 5 nm to 100 ?m which is a solid Ia or a compound Ib which acts as cathode material in electrochemical cells or a compound Ic which acts as anode material in electrochemical cells or a mixture of the solid Ia with the compound Ib or the compound Ic, (b) from 1 to 99% by weight of a polymeric material (II) which comprises: (IIa) from 1 to 100% by weight of a polymer or copolymer (IIa) which has, as part of the chain, at the end(s) of the chain and/or laterally on the chain, reactive groups (RG) which are capable of crosslinking reactions under the action of heat and/or UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which is free of reactive groups RG.

Abstract: A membrane comprising a composition including (a) 1 to 99 wt-% of at least one polyurethane elastomer comprising at least one hard segment and at least one soft segment, and (b) 99 to 1 wt-% of a solid, wherein said solid is incorporated in said at least one polyurethane elastomer.

Abstract: The invention relates to a process for production of a composite article comprising:

Abstract: A polymer electrolyte composition comprising from 20 to 99% by weight, based on the composition, of at least one non-functionalized polymer as matrix and from 80 to 1% by weight, based on the composition, of at least one inorganic or organic low-molecular-weight solid or at least one inorganic or organic polymeric solid, each of which is capable of taking up and releasing protons, or a mixture thereof.

Abstract: A method for producing a molded article, preferably a sheet-type molded article, which method comprises the following stage:

Abstract: A composite comprises at least one first layer which includes a composite comprising (a) from 1 to 99% by weight of a solid (I) with a primary particle size of from 5 nm to 100 &mgr;m or a mixture made from at least two solids, (b) from 99 to 1% by weight of a polymeric binder (II) obtainable by polymerizing b1) from 5 to 100% by weight, based on the binder (II), of a condensation product III made from at least one compound IV which is capable of reacting with a carboxylic acid or with a sulfonic acid or with a derivative or with a mixture of two or more of these, and at least one mol per mole of compound IV of a carboxylic or sulfonic acid V which has at least one functional group capable of free-radical polymerization, or of a derivative of these or of a mixture of two or more of these and b2) from 0 to 95% by weight, based on the binder (II), of another compound VII with an average molecular weight (number average) of at least 5000 having polyether segments in a main or side chain, where the at lea

Abstract: A composite comprising: A) at least one separator layer Aa which comprises a mixture Ia, comprising a mix IIa consisting of: (a) from 1 to 95% by weight of a solid III having a primary particle size of from 5 nm to 20 &mgr;m; and (b) from 5 to 99% by weight of a polymeric composition IV; B) at least one cathode layer B which comprises an electron-conducting, electrochemically active compound which is able to release lithium ions on charging, and C) at least one anode layer C which comprises an electron-conducting, electrochemical compound which is able to take up lithium ions on charging.

Abstract: A mixture Ia comprises a mix IIa composed of

Abstract: A mixture Ia comprises a mix IIa composed of a) from 1 to 95% by weight of a solid III, preferably a basic solid III, with a primary particle size of from 5 nm to 20 &mgr;m and b) from 5 to 99% by weight of a polymeric composition IV, obtainable by polymerizing b1) from 5 to 100% by weight, based on the composition IV, of a condensation product V of &agr;) at least one compound VI which is capable of reacting with a carboxylic acid or with a sulfonic acid or with a derivative or a iixture of two or more of these, and &bgr;) at least 1 mol per mole of the compound VI of a carboxylic acid or sulfonic acid VII which has at least one functional group capable of free-radical polymerization, or of a derivative thereof or of a mixture of two or more thereof and b2) from 0 to 95% by weight, based on the composition IV, of another compound VIII with an average molecular weight (number average) of at least 5000 having polyether segments in its main or side chain and at least one ester of the formula (E1) to (E5)

Abstract: A composite comprises at least one layer which includes a composite comprising (a) from 1 to 99% by weight of a solid (I) with a primary particle size of from 5 nm to 100 &mgr;m or a mixture made from at least two solids, (b) from 99 to 1% by weight of a polymeric binder (II) which includes: (IIa) from 1 to 100% by weight of a polymer or copolymer (IIa) which has, along the chain, terminally and/or laterally, reactive groups (RG) which are capable of crosslinking reactions when exposed to heat and/or UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which is free from reactive groups RG, where the at least one layer has been applied to at least one second layer comprising at least one conventional separator.

Abstract: A composition comprising: (a) from 0 to less than 1% by weight of a pigment (I) having a primary particle size of from 5 nm to 100 &mgr;m which is a solid Ia or a compound Ib which acts as cathode material in electrochemical cells or a compound Ic which acts as anode material in electrochemical cells or a mixture of the solid Ia with the compound Ib or the compound Ic, (b) more than 99 to 100% by weight of a polymeric material (II) which comprises: (IIa)from 1 to 100% by weight of a polymer or copolymer (IIa) containing reactive groups (RG) on the chain in terminal and/or lateral positions which are capable of crosslinking reactions in the presence of heat and/or with UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which contains no reactive groups (RG).

Abstract: A mixture Ia which comprises a composition Ia consisting of

Abstract: A mixture Ia which comprises a composition IIa consisting of

Abstract: A mixture Ia which comprises a composition IIa consisting of a) 1 to 95% by weight of a solid III, preferably a basic solid III, having a primary particle size of 5 nm to 20 microns, and b) 5 to 99% by weight of a polymeric mass IV obtainable by polymerizing b1) 5 to 100% by weight, based on the mass IV of a condensation product V of &agr;) at least one compound VI which is capable to react with a carboxylic acid or a sulfonic acid or a derivative thereof or a mixture of two or more thereof, and &bgr;) at least one mole per mole of the compound VI of a carboxylic acid or a sulfonic acid VII which exhibits at least one radically polymerizable functional group, or a derivative thereof or a mixture of two or more thereof and b2) 0 to 95% by weight, based on the mass IV, of a further compound VIII having an average molecular weight (number average) of at least 5000 and having polyether segments in the main or side chain, wherein the proportion by weight of the composition IIa in the mixture Ia is 1 to 100