Abstract: The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I), and compounds of formula (III), wherein Y, Y15, Y16 and Y17 are independently of each other a group of formula and their use as IR absorber, organic semiconductor in organic devices, especially in organic photovoltaics and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers and compounds according to the invention can have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers and compounds according to the invention are used in organic field effect transistors, organic photovoltaics and photodiodes.

Abstract: The present invention relates to polymers comprising a repeating unit of the formula (I) and their use as organic semiconductor in organic devices, especially a diode, an organic field effect transistor and/or a solar cell, or a device containing a diode and/or an organic field effect transistor, and/or a solar cell. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells).

Abstract: The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I), and compounds of formula (III), wherein Y, Y15, Y16 and Y17 are independently of each other a group of formula and their use as IR absorber, organic semiconductor in organic devices, especially in organic photovoltaics and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers and compounds according to the invention can have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers and compounds according to the invention are used in organic field effect transistors, organic photovoltaics and photodiodes.

Abstract: The present invention relates to polymers comprising a repeating unit of the formula (I) and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: The present invention relates to polymers comprising a repeating unit of the formula (I) their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: Highly active and durable electrochromic films are prepared with good thickness control in the nanometer range by alternate application of a metal salt solution and a solution of a ?-conjugated polymer having metal complexing side chains, for example, polymers having side chains comprising terpyridine (tpy) groups. Thus a robust, crosslinked organo-metallic network of a known, desired thickness with excellent electroactive properties is readily prepared.

Abstract: The present invention relates to polymers comprising a repeating unit of the formula (I) and their use as organic semiconductor in organic devices, especially a diode, an organic field effect transistor and/or a solar cell, or a device containing a diode and/or an organic field effect transistor, and/or a solar cell. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells).

Abstract: The present invention relates to polymers comprising a repeating unit of the formula (I) their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: The present invention relates to thermoplastic, water-soluble cellulose derivatives of the general formula 1

Abstract: The present invention relates to thermoplastic, water-soluble cellulose derivatives of the general formula 1

Abstract: Diketopyrrolopyrrole (DPP) based polymers and copolymers comprising the following units wherein x is chosen in the range of from 0.005 to 1, and y from 0.995 to 0, and wherein x+y=1, and wherein Ar1 and Ar2 independently from each other stand for blends of such polymers and copolymers with other polymers, their use for the preparation of electroluminescent (“EL”) devices and EL devices comprising such polymers or copolymers.

Abstract: Polyelectrolyte coated permeable composite materials are prepared by coating a polyelectrolyte onto a composite material comprising an inorganic component composed of at least one compound of a metal, semimetal or mixed metal with at least one element from main groups 3 to 7, disposed on at least one side and on inner surfaces of a permeable support. The surface of the composite material is charged, and at least one, or a plurality of polyelectrolyte layers are deposited on the composite material to provide a polyelectrolyte coated permeable composite material.

Abstract: Monolayer or multilayer systems containing compounds of the formula I ##STR1## in which X is S or Se, R.sup.1 is C.sub.1 -C.sub.30 alkyl, --CF.sub.3, --O--R.sup.3, --S--R.sup.3 or --CO--O--R.sup.3, R.sup.2 is hydrogen, C.sub.1 -C.sub.30 alkyl, --CF.sub.3, --O--R.sup.3, --S--R.sup.3 or --CO--O--R.sup.3, and R.sup.3 is C.sub.1 -C.sub.30 alkyl or partially or perfluorinated C.sub.1 -C.sub.30 alkyl, are described.Electrically conductive layers which are suitable, for example, for the production of electrically conductive coatings can be prepared from the layer systems by doping with electron acceptors.

Abstract: Ion-conducting compositions containing(A) a polyester/polyether copolymer prepared from(1.1) an .alpha.,.omega.-dihydroxy-terminated poly(oxyalkylene),(1.2) an aromatic dicarboxylic acid or ester-forming derivatives thereof and(1.3) an aromatic diol or an aromatic hydroxycarboxylic acid or ester-forming derivatives thereof or a mixture of these compounds, or prepared from(2.1) an .alpha., .omega.-dicarboxy-terminated poly(oxyalkylene) or ester-forming derivatives thereof,(2.2) an aromatic diol and(2.3) an aromatic dicarboxylic acid, an aromatic hydroxycarboxylic acid or ester-forming derivatives thereof or a mixture of these compounds, and(B) a salt of a monovalent to trivalent metal ion of groups Ia to IVa, Ib to VIIb or VIII, are particularly suitable for the production of antistatic films or coatings having an antistatic action or as solid electrolytes for batteries. Some of the polyester/polyether copolymers (A) are novel and the novel copolymers are also claimed.

Abstract: Monolayer or multilayer systems containing compounds of the formula I ##STR1## in which X is S or Se, R.sup.1 is C.sub.1 --C.sub.30 alkyl, --CF.sub.3, --O--R.sup.3, --S--R.sup.3 or --CO--O--R.sup.3, R.sup.2 is hydrogen, C.sub.1 --C.sub.30 alkyl, --CF.sub.3, --O--R.sup.3 or --CO--O--R.sup.3, and R.sup.3 is C.sub.1 --C.sub.30 alkyl or partially or perfluorinated C.sub.1 --C.sub.30 alkyl, are described.Electrically conductive layers which are suitable, for example, for the production of electrically conductive coatings can be prepared from the layer systems by doping with electron acceptors.

Abstract: The invention relates to compositions containinga) at least one organic polymer andb) a dibenzalacetone palladium complex of formula I ##STR1## which is homogeneously dissolved in said polymer but is not copolymerisable therewith, in which formula IR.sup.1 is hydrogen, C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy or unsubstituted or substituted phenyl,R.sup.2 has one of the meanings of R.sup.1 or is also an amino, nitro or cyano group, an --O--C.sub.m H.sub.2mn OR.sup.4 or --O--CH.sub.2 --CH.OR.sup.4 --CH.sub.2.OR.sup.5 radical or a halogen atom or a glycidyl ether radical,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl or the two groups R.sup.3 together form a C.sub.2 -C.sub.4 polymethylene chain,R.sup.4 and R.sup.5 have one of the meanings of R.sup.1,q is a value from 1 to 3.5,m is a value from 2 to 6 andn is a value from 0 to 20, with the proviso that the composition does not contain a polymer with an olefinic double bond.

Abstract: Monolayer or multilayer systems containing a 1,5-diarylpenta-1,4-dien-3-one-palladium(O) complex of formula I ##STR1## wherein both the groups R.sup.1 independently of the other are hydrogen or C.sub.1 -C.sub.4 alkyl or both the groups R.sup.1 together are a polymethylene chain containing 2-4 C atoms, R.sup.2 is hydrogen, C.sub.1 -C.sub.22 alkyl, --N(R.sup.4).sub.2, --NO.sub.2 or --CN, R.sup.3 is C.sub.1 -C.sub.22 alkyl, R.sup.4 is C.sub.1 -C.sub.22 alkyl, k=1-3.5, m=1-3 and p=1-3, are excellently suitable for electroless metallization, as sensors for H.sub.2 detection or as catalytically active surfaces for hydrogenation processes.

Abstract: A material in the form of a film is described which contains, in an orientated arrangement which does not display point symmetry, compounds of formula I ##STR1## wherein X is .dbd.CH-- or .dbd.N--, R.sup.1 is C.sub.12 -C.sub.30 -alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.30 -alkyl, R.sup.3 is --NO.sub.2, --CN, --CF.sub.3, --COCF.sub.3, --SO.sub.2 CH.sub.3 or --SO.sub.2 CF.sub.3, R.sup.4 is hydrogen or is defined in the same way as R.sup.3, R.sup.5 is hydrogen or --NR.sup.6 R.sup.7 and R.sup.6 and R.sup.7 independently of one another are hydrogen or C.sub.1 -C.sub.30 -alkyl, it also being possible for any of the alkyl radicals to be partially fluorinated or perfluorinated.The compounds of formula I can be arranged in Langmuir-Blodgett layer systems. Such systems can be used for example for the manufacture of opto-electronic units.

Abstract: The invention relates to compounds of formula I ##STR1## wherein R.sup.1 is C.sub.12 -C.sub.30 alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.30 alkyl, R.sup.3 is C.sub.1 14 Calkyl or C.sub.1 -C.sub.3 alkoxy, R.sup.4 may have one of the meanings of R.sup.3 or is halogen, k and n are each independently of the other 0, 1 or 2, and R.sup.5 and R.sup.6 are each independently of the other C.sub.1 -C.sub.4 alkyl, any of which alkyl groups as defined herein may also be partly fluorinated or perfluorinated, with the proviso that R.sup.1 is alkyl of not less than 18 carbon atoms if R.sup.2 is hydrogen or alkyl of less than 12 carbon atoms.From these compounds it is possible to prepare molecular aggregates, especially LB layer systems, which have reversible thermochromic and solvatochromic properties. The invention also relates to intermediates of formula II ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and n are as defined above.

Abstract: A process for the preparation of Langmuir-Blodgett layer systems is described. The process comprises transferring a monolayer to a solid substrate having an electrically conductive surface by applying an electric potential, thereby oxidizing or reducing an electroactive molecule present in the monolayer. The layer systems so obtained can be used, for example, as electrically conductive layers or as sensors.