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

Abstract: Flexible polyurethane foams are prepared by reacting

Abstract: Polyester-polyether block copolymers can be prepared by catalytic addition of alkylene oxides onto H-functional initiator substances, using polyester alcohols as H-functional initiator substances and multimetal cyanide compounds as catalysts.

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: Disclosed is a dispersant obtainable by reacting (i) a di- or polyfunctional isocyanate with (ii) an HX-terminated polymeric compound, where X is COO, O, S or NR1 and R1 is H or C1-C6-alkyl; and either (iii) an HY-terminated homopolymer of a monomer selected from the group consisting of N-vinylamides, N-vinyllactams and vinyl- or allyl-substituted nitrogenous heterocycles or copolymer of one or more of the monomers mentioned and optionally further monomers, where Y is COO, O, S or NR2 and R2 is H or C1-C6-alkyl; or (iv) an HY-functional organic phosphonic ester, where Y is as defined above. The dispersant is especially useful for dispersing pigments and for preparing inkjet inks.

Abstract: Polyetherpolyols are prepared by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst by a process which is carried out in a vertical upright cylindrical reactor comprising a jet nozzle which is arranged in the upper reactor region and is directed downward and via which the starting materials and the reaction mixture are fed in, and comprising a take-off, preferably in the lower reactor region, via which the reaction mixture is fed back to the jet nozzle in an external circulation by means of a pump via an equilibration container, comprising a concentric guide tube which extends over the total length of the reactor, except for the reactor ends, and comprising a heat exchanger integrated in the annular space.

Abstract: A process for the preparation of polyetherpolyols by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst is proposed, the reaction being carried out in a stirred kettle reactor and the reaction mixture being circulated via an external heat exchanger by means of a pump.

Abstract: In a process for preparing polyether alcohols by catalytic addition of at least two alkylene oxides onto H-functional initiator substances, at least one multimetal cyanide compound is used as catalyst and the addition of the alkylene oxides onto the initiator substance includes incorporation of at least one oxyalkylene block during whose formation at least two alkylene oxides are metered in together and the ratio of the alkylene oxides to one another in the mixture is changed during the joint introduction.

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: In multimetal cyanide complexes, more than 30% by weight of the primary particles have a platelet-like habit, i.e. the length and width of the primary particles is at least three times the thickness of the particles.

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: In multimetal cyanide complexes, more than 30% by weight of the primary particles have a platelet-like habit, i.e. the length and width of the primary particles is at least three times the thickness of the particles.

Abstract: A process for the preparation of polyetherpolyols by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst is proposed, the reaction being carried out in a stirred kettle reactor and the reaction mixture being circulated via an external heat exchanger by means of a pump.

Abstract: Polyetherpolyols are prepared by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst by a process which is carried out in a vertical upright cylindrical reactor comprising a jet nozzle which is arranged in the upper reactor region and is directed downward and via which the starting materials and the reaction mixture are fed in, and comprising a take-off, preferably in the lower reactor region, via which the reaction mixture is fed back to the jet nozzle in an external circulation by means of a pump via an equilibration container, comprising a concentric guide tube which extends over the total length of the reactor, except for the reactor ends, and comprising a heat exchanger integrated in the annular space.

Abstract: In a process for preparing polyether alcohols by catalytic addition of at least two alkylene oxides onto H-functional initiator substances, at least one multimetal cyanide compound is used as catalyst and the addition of the alkylene oxides onto the initiator substance includes incorporation of at least one oxyalkylene block during whose formation at least two alkylene oxides are metered in together and the ratio of the alkylene oxides to one another in the mixture is changed during the joint introduction.

Abstract: An all-optical clock recovery system for recovering the clock from a received optical signal with a short response time and without patterning effects includes a first optical clock recovery device adapted to supply a first optical clock signal in response to the received optical signal and a second optical clock recovery device adapted to supply a second optical clock signal in response to the first optical clock signal. Applications include regenerating optical packets in asynchronous optical packet-switched telecommunication networks.

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: Optically transparent polymeric solid electrolytes comprising a polymeric binder, a filler, a conductive salt, an ion-solvating plasticizer and, if desired, further additives and auxiliaries, a process for the preparation of solid electrolytes of this type, by compounding and thermoplastic shaping, and their use in electrochromic systems and displays.