Abstract: The invention relates to polysulphone/polyether block copolycondensates having the recurring structural unit as in formula (I)--(--O--E--O--Ar.sup.1 --SO.sub.2 --Ar.sup.2 --)--W-- (I)whereinE is a divalent diphenolate radical andW is a polyether, polythioether or polyacetal possessing at least two hydroxyl groups and having an average molecular weight (M.sub.n) of from 400 to 30,000 andwherein the proportion of the radical W in the total polymer amounts to 5 to 99 wt. %,the preparation and use thereof for the production of moulded shapes, for example, membranes or catheter tubes.

Abstract: This invention relates to (co)polymers which contain at least one repeat chain unit of the general formula (1) or (2) and optionally repeat units of the general formula (3), ##STR1## in which L.sup.1 and L.sup.2 denote a photoluminescent residue,wherein the proportion of structural units of the formulae (1) and/or (2) is in each case 0.5 to 100 mol. % and of (3) is 0 to 99.5 mol. % and the molar percentages add up to 100,to the use thereof for the production of electroluminescent arrangements and to the electroluminescent arrangements.

Abstract: Mixtures ofA) neutral polythiophenes of formula (I), ##STR1## wherein R.sub.1 and R.sub.2 separately from one another represent hydrogen or a C.sub.1-4 alkyl group or together form an optionally substituted C.sub.1-4 alkylene radical, preferably a methylene radical optionally substituted by alkyl groups, an ethylene-1,2 radical optionally substituted by C.sub.1-12 alkyl or phenyl groups, or a cyclohexylene-1,2 radical, andB) organic compounds containing dihydroxy or polyhydroxy and/or carboxyl groups or amide groups or lactam groups,as well as transparent, electrically conducting coatings made therefrom and electroluminescent systems containing a conductive layer produced from the abovementioned mixtures as the electrode.

Abstract: This invention relates to coumarin derivatives of formula (I) ##STR1## where Z represents OR.sup.3 or NR.sup.4 R.sup.5,to their preparation, and to their use for the production of polymers with luminophors on their side chains.

Abstract: Block copolymers represented by the formula ##STR1## are formed by contacting an ester group containing poly(aryl ether ketone) composed of the recurring units ##STR2## with a liquid crystalline polyester represented by the formula ##STR3## in which R.sub.1, R.sub.2 X.sub.2, X, Z, E.sup.1, E.sup.2 E.sup.5, w, x, y, z a, b and n each represent specified groups or values under conditions such that a transesterification reaction will occur.

Abstract: The present invention provides polycarbonates with aliphatic ketocarboxyl end groups, optionally mixed with known aromatic polycarbonates, and a process for their preparation, the chain terminators used being those of formula (I): ##STR1## The present invention also provides mixtures of the polycarbonates or polycarbonate mixtures with reactionless polyisobutylenes.

Abstract: Dye-image receiving element for use according to thermal dye sublimation transfer comprising a support having thereon a dye-image receiving layer comprising a plasticizer, characterized in that the plasticizer is a di(hetero)aryl carbonate having not more than four recurring units between the two (hetero)aryl moieties.

Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having on one side a dye layer and on the other side a heat-resistant layer, characterized in that said heat-resistant layer comprises a polyether containing at least 10 mol % recurring units corresponding to the following formula (I)O--E--O--E'-- (I)wherein--O--E--O-- represents a divalent diphenolate radical corresponding to the following general formula (II) ##STR1## wherein R.sub.1 and R.sub.2 (same or different) represent hydrogen, halogen, a C.sub.1 -C.sub.8 alkyl group, a C.sub.5 -C.sub.6 cycloalkyl group, a C.sub.6 -C.sub.10 aryl group or a C.sub.7 -C.sub.12 aralkyl group; andX represents the necessary atoms to close a 5- to 8-membered cycloaliphatic ring which may be substituted with one or more C.sub.1 -C.sub.

Abstract: Modified polyester resins contain polyester blocks which have been obtained from dicarboxylic acids and dialcohols, groupings of the formulae ##STR1## where X=Z=a hydrocarbon radical having 1 to 20 C atoms and Y=a hydrocarbon radical having 2 to 25 C atoms, and if appropriate groupings originating from crosslinking agents. They can be used as base polymers for toners.

Abstract: Dye transfers of high color density, excellent sharpness and good stability are obtained in thermosublimation printing using a dye acceptor layer consisting essentially of a polyurethane formed by crosslinking and characterized in that the polyurethane contains at least 5% by weight urethane groups (--O--CO--NH--).

Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having on one side thereof a dye layer and containing a substituted di(hetero)aryl carbonate as thermal solvent.

Abstract: Using a dye acceptor element for thermosublimation printing comprising a dye acceptor layer containing a polycarbonate formed from a diphenol of formula I and, optionally, another polymer resin ##STR1## in formula I: R.sup.1 and R.sup.2 independently of one another represent hydrogen, halogen, C.sub.1-8 alkyl, C.sub.5-6 cycloalkyl, C.sub.6-10 and aryl and C.sub.7-12 aralkyl,X represents a carbon atom,m is an integer of 4 to 7,R.sup.3 and R.sup.4 may be individually selected for each X and independently of one another represent hydrogen or C.sub.1-6 alkyl with the proviso that, at at least one atom X, R.sup.3 and R.sup.4 are both alkyl.

Abstract: A dye acceptor element for thermosublimation printing comprising a support and a dye acceptor layer consisting essentially of polycarbonate arranged on the support, the polycarbonate containing 30 to 95% by weight aromatic carbonate structural units corresponding to formula I[--O--diphen--O--CO--] (I)in which diphen is the residue of a diphenol containing 6 to 30 and preferably 12 to 24 carbon atoms, and 70 to 5% by weight aliphatic polyether carbonate structural units corresponding to formula II[--O--polyether--O--CO--] (II)in which polyether is the residue of an aliphatic polyether diol having a molecular weight Mn of 600 to 20,000, is distinguished by high color density and a minimal tendency towards adhesion.

Abstract: A dye acceptor element for the thermal sublimation printing process, having a base and a dye acceptor layer which contains a polyester formed from diols and dicarboxylic acids, the diol component of the polyester consisting to the extent of 0.5 to 60 mol % of a dimer diol, is distinguished by a high color density and a low tendency to sticking.

Abstract: The new aromatic polyethers containing ester groups, which are distinguished by high dimensional stability, may be used for the production of all kinds of moulded products as well as for the preparation of block copolymers of aromatic polyether segments and segments of other thermoplastic polymers.

Abstract: The present invention relates to a sensor with a novel construction for a detection method of molecules labelled with fluorescent dye for detecting these dissolved substances or analytes by energy transfer with a simple fluorescence technique and increased sensitivity in the detection as well as versatile use for different tasks and the possibility of reproducible preparation of films bound to solid surfaces.

Abstract: A block copolymer represented by the formula ##STR1## are formed by contracting an ester group containing poly(aryl ether) composed of the recurring units ##STR2## with a polyarylcarbonate composed of the recurring units ##STR3## in which B, Z, E.sup.5, E.sup.1, E.sup.2 x, y, n and p represent specified groups or valuesunder conditions such that ester/carbonate interchange reactions will occur.

Abstract: Coated substrates having an ultrathin, single-layer or multilayer coating of organic polymer material have been found, in which coated substrates the polymer used is a polyester of the structure ##STR1## wherein A is the skeleton of an aliphatic, araliphatic or aromatic diol,B is the skeleton of an aliphatic, araliphatic or aromatic dicarboxylic acid,n assumes values from 2 to 80 andat least one of the substituents R.sup.1 to R.sup.4 represents an aliphatic radical having an essentially normal chain and the other radicals in each case denote hydrogen or methyl, the aliphatic radical having at least 8 C atoms and it being possible for bonding of the aliphatic radical having an essentially normal chain to the skeleton A or B also to take place via groups containing heteroatoms, and, where there are two aliphatic radicals having an essentially normal chain on one skeleton, these radicals are identical, and furthermore R.sup.1 and R.sup.2 together and R.sup.3 and R.sup.4 together may form an alkylene chain.

Abstract: This invention relates to new aromatic polyethers, preferably polyphenylene ethers, containing keto groups in side chains and their use.

Abstract: Coated supports with ultra-thin, single-layer or multi-layer coating of organic polymer material have been found, in which, as polymer, polyurethanes of the structure ##STR1## are used in which A is the skeleton of an aliphatic, araliphatic or aromatic diol,B is the skeleton of an aliphatic, araliphatic or aromatic diisocyanate,n assumes values from 2 to 150 andat least one of the substituents R.sup.1 to R.sup.4 represents an essentially normal-chain aliphatic radical and the others in each case denote hydrogen, the aliphatic radical having at least 4 carbon atoms and the number of carbon atoms from the terminal methyl group of the aliphatic radical via the skeleton A or B up to the urethane linkage being 6 to 40, and it being further possible for R.sup.1 and R.sup.2 jointly to form an alkylene chain and for R.sup.3 and R.sup.4 jointly to form an alkylene chain. Coated supports of this type may be produced by the Langmuir-Blodgett technique.