Abstract: Increasing the electrical conductivity of polyacetylene by partial oxidation (doping) with a compound of trivalent iron or of trivalent cobalt.

Abstract: This invention is directed to glycoluril-triazine salts of the formula: ##STR1## wherein the R's are hydrogen and hydrocarbon radicals, n is 1 to 4, and m is 4-n. These materials are suitable for modifying polymers, such as polyurethanes and flameproofing polyamides.

Abstract: A triazolidine-3,5-dione/formaldehyde/amine condensate is disclosed of the formula ##STR1## in which wherein the terms R.sup.1, R.sup.2 and R.sup.5 are defined hereinafter in the specificationa process for the preparation of such condensate by reaction of a triazolidine-3,5-dione with formaldehyde and a suitable nitrogen compound and the use of the condensate as a flame-proofing agent for thermoplastics, especially polyamide and as an auxiliary for modifying polymeric substances.

Abstract: A process for the production of 1,2,4-triazolidine-3,5-diones corresponding to the general formula I ##STR1## in which R.sup.1 represents a monofunctional, optionally substituted hydrocarbon radical, optionally interrupted by hetero atoms or hetero atomic groups,characterized in that hydrazodicarbonamide or 1,2,4-triazolidine-3,5-dione is reacted with a primary amine corresponding to the general formula IIR.sup.1 NH.sub.2 (II)ora monofunctional hydrazodiacarbonamide corresponding to the formula IIIH.sub.2 --N--CO--NH--NH--CO--NH--R.sup.1 (III)in whichR.sup.1 is as defined for formula I, at a temperature in the range from 150.degree. to 280.degree. C., under pressure of from 50 mbars to 5 bars, the reaction being accompanied by the elimination of ammonia.

Abstract: Self-extinguishing flame resistant polyamide moulding compositions containing from 0.1 to 20% by weight of at least one glycoluril and/or reaction product of glycoluril as a flame-proofing agent.

Abstract: Polyamide moulding compositions containing triazolidine-3,5-diones or reaction products thereof as flame retarding agents.

Abstract: New di- or oligo-1,2,4-triazolidine-3,5-diones corresponding to the following Formula I: ##STR1## in which R.sup.1 represents a difunctional to pentafunctional organic radical, optionally substituted and/or interrupted by hetero atoms or hetero atom groupsand n=a number of from 2 to 5.The compounds of Formula I are obtained by reaction of 0.9 and 1.1 Mole hydrazodicarbonamide or 1,2,4-triazolidine-3,5-dione with 1/n mole of an amine of the formula R.sup.1 (NH.sub.2).sub.n by elimination of ammonia or by reaction of a monosubstituted hydrazodicarbonamide of the formula (H.sub.2 N--CO--NH--NH--CO--NH).sub.n R.sup.1 by elimination of ammonia. R.sup.1 and n have always the same meaning as in Formula I. The di- and oligo-1,2,4-triazolidine-3,5-diones are valuable starting materials for the production of in 1,2-position oxalkylated or glycidyl group containing intermediates for the production of polymers.

Abstract: A process for the production of imidazolidine triones by reacting optionally masked iso(thio)cyanates with oxalic acid mono esters.

Abstract: Process for the production of polyacetylene, wherein acetylene is polymerized in an organic diluent with the aid of an organometallic mixed catalyst based on a vanadium compound of the formula ##STR1## wherein R.sup.1 represents halogen (chlorine),R.sup.2 and R.sup.3 represent halogen (chlorine), OR.sup.5 (R.sup.5 =C.sub.1 -C.sub.20 alkyl, straight chain, cyclic or branched), wherebyR.sup.2 and R.sup.3 may be the same or different,and on an luminium alkyl compound.

Abstract: New hydroxyalkyl-1,2,4-triazolidine-3,5-diones corresponding to the general Formula I ##STR1## in which R.sup.1 represents a monofunctional to pentafunctional organic radical, optionally substituted and/or optionally interrupted by hetero atoms or hetero atom groups,R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and represent hydrogen, an aliphatic C.sub.1 -C.sub.1 O-radical, a cycloaliphatic C.sub.4 -C.sub.8 radical or an araliphatic C.sub.7 -C.sub.17 -radical, said radicals are optionally substituted by halogen, an aromatic C.sub.6 -C.sub.16 -radical or an aromatic C.sub.6 -C.sub.16 -radical substituted by halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, a and b are the same or different and represent a number of from 1 to 30, and n=a number of from 1 to 5.The new compounds are obtained by oxalkylation reaction using 1,2,4-triazolidine-3,5-diones of Formula I as starting materials in which a and b represent the number 0.

Abstract: Film-forming polymers corresponding to the following Formula I: ##STR1## wherein R represents a divalent aliphatic group containing an electric donor;R.sup.1 represents hydrogen, halogen, --SO.sub.3 H, --CN, --COOR.sup.2, --N(R.sup.3).sub.2, --OR.sup.4 or --NO.sub.2 ;R.sup.2, R.sup.3 and R.sup.4 represent hydrogen or C.sub.1 -C.sub.6 alkyl; andn represents an integer of from 2 to 1000, and m is 1 or 2.

Abstract: A process for the preparation of 1,2,4-triazolidine-3,5-dione, which comprises suspending hydrazodicarbonamide in at least one organic, optionally water-miscible solvent and cyclising it at a temperature in the range of from 150.degree. to 280.degree. C. and at a pressure of from 50 mbar to 5 bar with removal of the ammonia split off from the reaction mixture, and isolating the resulting 1,2,4-triazolidine-3,5-dione after crystallization.

Abstract: A process for the production of modified polyhydantions by reacting polyglycine acid derivatives with optionally masked polyisocyanates with the addition of cyclic anhydride compounds containing at least one further functional group capable of condensation in lactones as solvents.

Abstract: Heat resistant polymers connected by ester and/or urethane groups and optionally amide- and/or imide groups and/or hydantoin and/or isocyanurate rings are obtained by crosslinking the polymers with trishydroxy alkyl triazolidine -3,5-diones.

Abstract: Poly(thio)hydantoins are prepared by reacting an iso(thio)cyanate having at least two iso(thio)cyanate moieties with a compound of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each represents hydrogen, halogen, a C.sub.1 -C.sub.20 aliphatic group, a C.sub.7 -C.sub.20 aliphatic-aromatic group, a C.sub.6 -C.sub.20 aromatic group or a heterocyclic group having from 4 to 16 ring members and at least one N, O or S atom;A represents CN, COR, substituted or unsubstituted C.sub.1 -C.sub.20 aliphatic group, C.sub.7 -C.sub.20 aliphatic-aromatic group, C.sub.6 -C.sub.20 aromatic group or a heterocyclic group having from 4 to 16 ring members and at least one N, O or S atom wherein the substituents are NO.sub.2, COOR.sub.4, CN, CO or OH; R and R.sup.4 are selected from the definition of R.sup.1 and R.sup.2 with the exclusion of halogen;M represents OH or ##STR2## and R.sup.6 represents hydrogen, unsubstituted or substituted C.sub.2 -C.sub.20 aliphatic, C.sub.5 -C.sub.12 cycloaliphatic, C.

Abstract: A powder lacquer binder composition which comprises a homogeneous crosslinkable mixture comprising: (A) a polymer containing more than one carboxyl group and having a melting and softening point of from 20.degree. to 150.degree. C. (as determined by differential thermoanalysis) and an acid number of from 10 to 150 mg of KOH/g; and (B) a 1,2-polyepoxide which is N,N',N"-triglycidyl triazolidine-3,5-dione having an epoxide value of from 0.6 to 1.13; the mixture containing from 0.5 to 1.5 1,2-epoxide group per carboxyl group; and a process for the preparation thereof.

Abstract: A compound which corresponds to the following general formula I ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 which may be the same or different, each represents hydrogen or methyl, and a process for the preparation thereof which comprises reacting triazolidine-3,5-dione with an at least equivalent quantity of an epihalohydrin or .beta.-methyl epihalohydrin and reacting the resulting material with a hydrogen halide acceptor.

Abstract: In non-phenolic solvents soluble Polyamid-hydantoins optionally containing ester and/or imide and/or isocyanurate groups are obtained by reacting polyisocyanates with polyfunctional amino carboxylic acid derivatives and a compound containing at least a carboxylic group preferably in the presence of a non-phenolic solvent.

Abstract: Hydantoins are prepared by reacting a monoisocyanate or a monoisothiocyanate with an unsaturated diamide at 0.degree.-450.degree. C. said diamide being a compound of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.6 may be the same or different and each is selected from the group consisting of hydrogen, alkyl of 1-20 carbon atoms, alkenyl of 1-20 carbon atoms, aryl of 4-20 carbon atoms and aralkyl of 7-20 carbon atoms, and R.sub.4 and R.sub.6 together are additionally together a heterocyclic having 3-7 carbon atoms wherein the nitrogen heteroatom is bonded to both R.sub.3 and R.sub.6, andR.sub.1 and R.sub.2 are also additionally halogen, andx and y each are integer from 1 to 3, with the proviso that at least one of x and y is 1.

Abstract: A process for the production of compounds containing hydantoin groups by reacting .alpha.-amino-carboxylic acid derivatives and organic isocyanates in the presence of acid groups and either in absence of any solvent or in the presence of a non-phenolic solvent.