Abstract: A halogen-free flameproofed thermoplastic molding material consists of a halogen-free thermoplastic resin (A) and one or more further halogen-free components.The thermoplastic resin (A) is present in an amount of from 30 to 90% by weight, based on the molding material. The latter contains, as further components, from 1 to 50% by weight of a phenol/aldehyde resin (B), from 1 to 50% by weight of a nitrogen-containing organic compound (C) and from 3 to 50% by weight of a phosphorus-containing organic compound (D), the percentages in each case being based on the molding material.The molding material is used for the production of flameproofed moldings.

Abstract: A flameproofed thermoplastic molding material consists ofA. a thermoplastic resin containing a vinylaromatic monomerand furthermore containsB. from 0 to 100 parts by weight of an elastomer having a glass transition temperature Tg 0.degree. C., as an impact modifier,C. from 2 to 50 parts by weight of a halogen-containing organic compound (flameproofing agent),D. from 0.5 to 20 parts by weight of a compound containing a metal or non-metal (synergistic agent) andE. from 5 to 50 parts by weight of a novolak (phenol/aldehyde resin).The novolak is obtained from an aldehyde of the formula (I)R.sup.1 --CHO (I)where R.sup.1 is H, C.sub.1 -C.sub.10 -alkyl, cycloalkyl, C.sub.6 -C.sub.12 -aryl or .omega.-aryl-C.sub.1 -C.sub.3 -alkyl, and a mixture of phenols, and this mixture contains two or more monosubstituted phenols and the substituents can be alkyl of 1 to 8 carbon atoms or CN.The molding material is used for the production of flameproofed moldings.

Abstract: High molecular weight polyphenylene ethers are prepared from monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a solvent and of a catalyst complex consisting of a copper salt and an organic amine of the general formula ##STR1## where R.sup.1 is C.sub.2 -C.sub.20 -alkylidene, preferably C.sub.2 -C.sub.12 -alkylidene, or alkenylidene, R.sup.2 is H or C.sub.1 -C.sub.12 -alkyl, preferably C.sub.1 -C.sub.4 -alkyl, or C.sub.5 -C.sub.8 -cycloalkyl, each of which is unsubstituted or substituted by functional groups, and n is an integer from 1 to 4, preferably 1 or 2. Preferred functional groups are --OR.sup.3, --NHR.sup.3 or --SR.sup.3, in which R.sup.3 is H C.sub.1 -C.sub.12 -alkyl or C.sub.5 -C.sub.8 -cycloalkyl, and the most suitable amines are 3-tert.-butoxypropylamine, 4-tert.-butoxybutylamine, 3-tert.-butoxy-2-methylpropylamine, 3-tert.-butoxy-2,3-dimethylpropylamine, 3-tert.-butoxy-2-methyloctylamine and N-methyl-N-(4-tert.-butoxybutyl)-amine.

Abstract: A halogen-free self-extinguishing thermoplastic composition comprising as the flame retardant, one or more phosphorus-containing compounds or elemental phosphorous, a polyphenylene ether, a styrene-acrylonitrile copolymer, a phenol/aldehyde resin, a terpolymer of styrene, acrylonitrile and a hydroxy-containing ester of acrylic or methacrylic acid on which a polyphenylene ether is grafted, and optionally, a diene elastomer having grafted thereon styrene and acrylonitrile monomers.

Abstract: Transparent flame-retardant poly(arylether-arylsulfone) molding materials preferably contain not less than 50% by weight of units of the formula ##STR1## and, as a flameproofing agent, from 0.1 to 10% by weight, based on the weight of poly(arylether-arylsulfone), of a poly(2,6-dibromophenylene 1,4-oxide) having a molecular weight of from 1000 to 20000, and, if required, a heat stabilizer.The molding materials are useful for the production of shaped articles, films and fibers.

Abstract: Air-stable, electrically conductive systems having conductivities greater than 1.times.10.sup.-3 .OMEGA..sup.-1 cm.sup.-1 are prepared by reacting a metal cation of an element of sub-group VII, VIII or I of the periodic table with a 1,9-substituted phenalene of the general formula (I) ##STR1## where X is O, NH, S, Se or Te and Y is OH, NH.sub.2 or SH, to give a metal chelate, and oxidizing this metal chelate by means of an organic electron acceptor. The electrically conductive systems can be used in the electrical industry for the production of solar cells and for converting and fixing radiation, for producing electric and magnetic switches and electrochemical stores, and for the antistatic treatment of plastics.

Abstract: High molecular weight polyphenylene ethers are prepared from monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a catalyst complex obtained from a copper salt and an organic amine by a method wherein the metal component of the catalyst is separated off, after the polymerization, by the addition of a polymeric polycarboxylic acid which is essentially composed of unsaturated monofunctional or difunctional carboxylic acids and/or their anhydrides.Advantageously, the polymeric polycarboxylic acids used are homopolymers or copolymers of (a) from 50 to 100% by weight of one or more unsaturated monofunctional acids of 3 to 10 carbon atoms and/or one or more difunctional acids or their anhydrides of 4 to 6 carbon atoms and from 0 to 50% by weight of one or more monomers which do not possess an acid function and can be copolymerized with (a).

Abstract: Polymers which comprise polyene units possessing 5 or more conjugated aliphatic C-C double bonds and contain 1,9-disubstituted phenalenes as chemically bonded side groups are prepared by a process in which acetylene derivatives carrying 1,9-disubstituted phenalene groups are polymerized. The polymers obtained are used in the electrical industry or as reversible redox systems or for the antistatic treatment of plastics.

Abstract: Polymers which have two or more stable, reversibly interconvertible oxidation states with half-wave potentials E.sub.1/2 of from -1.5 to +1 V, and which are obtained when a polymer having a reactive side group is reacted with a 1,9-substituted phenalene, are useful for producing electrically conductive systems, in the electrical industry, and for converting and fixing radiation, for producing electric switches, as electrochromic displays, for providing an antistatic finish on plastics and as reversible redox systems.

Abstract: A process for the preparation of electrically conductive products which are stable to air and have conductivities greater than 1 .times.10.sup.-3 S/cm, by reacting a cation of a metal of group VII or VIII or of sub-group I of the periodic table with an organic chelating compound to give a metal chelate and oxidizing the latter to form a oxidized product, wherein the organic chelating compound is a 1,9-substituted phenalene of the formula I ##STR1## where X is O, NH, S, Se or Te and Y is OH, NH.sub.2 or SH. The electrically conductive products are useful for the production of solar cells, the conversion and fixing of radiation, the production of electrical and magnetic switches and the antistatic treatment of plastics.

Abstract: Self-extinguishing molding materials, comprising (A) a polymer of a vinyl-aromatic compound, especially a styrene polymer, which has been made impact-resistant (B) a polyphenylene ether and (C) a flameproofing additive, with or without (D) conventional additives, wherein one part of the soft component of the impact-resistant polymer of the vinyl-aromatic compound has a mean particle size of .ltoreq.1.5 .mu.m and the other part has a mean particle size of .ltoreq.3 .mu.m. Such molding materials not only have good self-extinguishing properties but also give moldings having a particularly uniform matt surface.

Abstract: A process for the preparation of electrically conductive polymers by polymerizing acenaphthylene, N-vinyl-heterocyclics, eg. N-vinylcarbazole or N-vinylpyridine, or N,N-divinylaniline at from -80.degree. to +100.degree. C. in the presence of a cationtic catalyst, wherein from 1 to 50 percent by weight of an oxidizing Lewis acid, preferably FeCl.sub.3, FeBr.sub.3, SbCl.sub.5, SbF.sub.5, AsF.sub.5 or CF.sub.3 -SO.sub.3 H, or a combination of AlCl.sub.3 or TiCl.sub.4 with the said compounds or with CrO.sub.3 or OsO.sub.4 is used as the catalyst. In a preferred embodiment of the process, thin films of the monomers to be polymerized, applied to glass or to a polymeric base, preferably to a plastic film, are treated with gaseous SbCl.sub.5, SbF.sub.5 or AsF.sub.5.

Abstract: A process for the preparation of electrically conductive polymers, having conductivities greater than 10.sup.-2 S/cm, wherein from 0.1 to 95% by weight of black phosphorus and from 0.5 to 25% by weight of sodium, potassium, rubidium or cesium or of an amide of these, preferably in tetrahydrofuran, dimethoxyglycol, nitromethane or methylene chloride (the molar ratio of alkali metal or amide to organic compound preferably being from 1:1 to 1:5) are added to an organic polymer chosen from the group comprising the polyphenylenes, heteropolyphenylenes and polyacetylenes, in the absence of moisture and of oxygen. The electrically conductive polymers obtained can be used in the electrical industry for the production of solar cells, for conversion and fixing of radiation and for the production of electrical and magnetic switches, and can also be used for the antistatic treatment of plastics.