Abstract: The invention relates to a composition, which comprises the components (a) an organic material susceptible to oxidative, thermal or light-induced degradation, which is a polyether polyol, a polyester polyol or a polyurethane; (b) a bisphenolic stabilizer of formula (I) wherein n is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; and (c) a chromanol stabilizer of formula (II) wherein R1 and R2 are independently of each other H or C1-alkyl. A process for manufacturing the aforementioned composition, the use of an additive mixture comprising component (b) and (c) for stabilizing the component (a) and the additive mixture itself are described.

Abstract: The invention relates to a composition, which comprises the components (a) an organic material susceptible to oxidative, thermal or light-induced degradation, which is a polyether polyol, a polyester polyol or a polyurethane; (b) a bisphenolic stabilizer of formula (I) wherein n is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; and (c) a chromanol stabilizer of formula (II) wherein R1 and R2 are independently of each other H or C1-alkyl. A process for manufacturing the aforementioned composition, the use of an additive mixture comprising component (b) and (c) for stabilizing the component (a) and the additive mixture itself are described.

Abstract: The present invention relates to a composition, which comprises (a) a compound of formula (A-1) (b) a compound of formulae (B-1), (B-11), (B-111) or (B-IV) wherein Z1 is linear C12-alkyl or linear C18-alkyl, and (c) a compound, which is a further sterically hindered phenolic antioxidant. The composition is used for stabilization of an organic polymer against degradation by heat, light and/or oxidation. The organic polymer is for example a styrene-butadiene copolymer, a styrene-isoprene copolymers or polybutadiene.

Abstract: The invention describes a process for reducing the amount of saturated or unsaturated monomers and oligomers during production and processing of styrenic polymers comprising a mixture of at least two components selected from the group consisting of a) phenol thioethers, b) phenol acrylates, c) 3-arylbenzofuran-2-ones and d) 1,1-di-substituted ethylenes or tri-substituted ethylenes.

Abstract: The present invention relates to a composition, which comprises (a) a compound of formula (A-1) (b) a compound of formulae (B-1), (B-11), (B-111) or (B-IV) wherein Z1 is linear C12-alkyl or linear C18-alkyl, and (c) a compound, which is a further sterically hindered phenolic antioxidant. The composition is used for stabilization of an organic polymer against degradation by heat, light and/or oxidation. The organic polymer is for example a styrene-butadiene copolymer, a styrene-isoprene copolymers or polybutadiene.

Abstract: The instant invention relates to a composition and process for the stabilization of halogen containing polymer slurries, in particular polyvinylchloride (PVC). The composition comprises a halogen containing polymer in the form of an aqueous suspension or emulsion, a partially hindered phenolic antioxidant and selected sulfur containing antioxidants, which are both solid at 20° C. A further aspect of the invention is the use of specific antioxidant mixtures for the stabilization of halogen containing polymer suspensions or emulsions, in particular PVC.

Abstract: The invention describes a storage-stable aqueous emulsion comprising a) a compound of the formula (I); wherein n is 4 to 23, b) a surfactant, and c) water, and describes a storage-stable liquid blend with low viscosity, which is not an aqueous emulsion, comprising a) a compound of the formula I d) at least a stabilizer selected from the group consisting of phosphites, phosphonites, aminic antioxidants, hydroxylamines, benzofuran-2-ones, thiosynergists, plasticizers, acid scavengers, lubricants, dispersing aids, sterically hindered amines, UV absorbers and sterically hindered phenols other than the compounds of the formula I according to component a). These emulsions and blends are useful as stabilizers for organic materials.

Abstract: The instant invention relates to a composition and process for the stabilization of halogen containing polymer slurries, in particular polyvinylchloride (PVC). The composition comprises a halogen containing polymer in the form of an aqueous suspension or emulsion, a partially hindered phenolic antioxidant and selected sulfur containing antioxidants, which are both solid at 20° C. A further aspect of the invention is the use of specific antioxidant mixtures for the stabilization of halogen containing polymer suspensions or emulsions, in particular PVC.

Abstract: The invention describes a process for reducing the amount of saturated or unsaturated monomers and oligomers during production and processing of styrenic polymers comprising a mixture of at least two components selected from the group consisting of a) phenol thioethers, b) phenol acrylates, c) 3-arylbenzofuran-2-ones and d) 1,1-di-substituted ethylenes or tri-substituted ethylenes.

Abstract: The present invention relates to a process and composition for the chain stopping of vinyl chloride polymerization or copolymerization in the presence of a stable free nitroxyl radical and a phenolic antioxidant. A further subject of the invention is the use of a stable free nitroxyl radical together with a phenolic antioxidant as a chain stopping mixture for the vinyl chloride polymerization or copolymerization. A further aspect of the invention is the use of higher sterically hindered nitroxyl radicals alone as chain stopping agents for the vinyl chloride polymerization.

Abstract: The instant invention relates to a composition and process for the stabilization of halogen containing polymer slurries, in particular polyvinylchloride (PVC). The composition comprises a halogen containing polymer in the form of an aqueous suspension or emulsion, a partially hindered phenolic antioxidant and selected sulfur containing antioxidants, which are both solid at 20° C. A further aspect of the invention is the use of specific antioxidant mixtures for the stabilization of halogen containing polymer suspensions or emulsions, in particular PVC.

Abstract: The instant invention relates to a stabilized composition of methylmethacrylate-butadiene-styrene graft copolymers with selected sterically hindered phenolic antioxidants and thioethers. Further subjects of the invention are a process for the stabilization of methylmethacrylate-butadiene-styrene graft copolymers and the use of selected sterically hindered phenolic antioxidants together with a thioether for the thermal stabilization of said graft copolymer.

Abstract: The instant invention relates to a stabilized composition of methylmethacrylate-butadiene-styrene graft copolymers with selected sterically hindered phenolic antioxidants and thioethers. Further subjects of the invention are a process for the stabilization of methylmethacrylate-butadiene-styrene graft copolymers and the use of selected sterically hindered phenolic antioxidants together with a thioether for the thermal stabilization of said graft copolymer.

Abstract: The instant invention relates to a composition and process for the stabilization of halogen containing polymer slurries, in particular polyvinylchloride (PVC). The composition comprises a halogen containing polymer in the form of an aqueous suspension or emulsion, a partially hindered phenolic antioxidant and selected sulfur containing antioxidants, which are both solid at 20° C. A further aspect of the invention is the use of specific antioxidant mixtures for the stabilization of halogen containing polymer suspensions or emulsions, in particular PVC.

Abstract: The present invention relates to a process and composition for the chain stopping of vinyl chloride polymerization or copolymerization in the presence of a stable free nitroxyl radical and a phenolic antioxidant. A further subject of the invention is the use of a stable free nitroxyl radical together with a phenolic antioxidant as a chain stopping mixture for the vinyl chloride polymerization or copolymerization. A further aspect of the invention is the use of higher sterically hindered nitroxyl radicals alone as chain stopping agents for the vinyl chloride polymerization.

Abstract: A curable composition is described, comprising a) 10 to 90% by weight of at least one, optionally water-dilutable, water-emulsifiable or water-dispersible, epoxy resin having more than one epoxy group in the molecule; b) 90 to 10% by weight of at least one polyamine adduct which predominantly corresponds to the idealised formula (I) and which is prepared from an adduct of formula (A) and a polyamine of formula (XII), wherein the sum of the percentages by weight of components (a) and (b) is always 100%; c) optionally, at least one further aliphatic, cycloaliphatic, aromatic/aliphatic, aromatic or heteroaromatic mono- or polyamine which may optionally be modified by adduction; and d) optionally, at least one customary additive, R1 and R2 and also m and n and B being defined in more detail in the description. The novel compositions are used for the preparation of colourants and coatings.

Abstract: A curable composition consisting of at least 2 components (a) and (b), wherein(a) is a liquid oligomer or polymer having a molecular weight of 200-50,000 and containing dicarboxylic anhydride groups, and(b) is a compound of formula I ##STR1## wherein A is linear or branched C.sub.2 -C.sub.20 alkylene, C.sub.5 -C.sub.7 cycloalkylene, C.sub.7 -C.sub.10 bicycloalkylene, or C.sub.1 -C.sub.30 alkylene containing one or more than one C.sub.5 -C.sub.7 cycloalkylene group or C.sub.7 -C.sub.30 bicycloalkylene group in the main or side chain, which cycloalkylene and bicycloalkylene groups can be unsubstituted or substituted by one or several C.sub.1 -C.sub.6 alkyl groups, and R.sub.1 and R.sub.2 are independently of each other C.sub.1 -C.sub.18 alkyl, C.sub.4 -C.sub.10 cycloalkyl or C.sub.7 -C.sub.24 -aralkyl, which cycloalkyl and aralkyl groups can be unsubstituted or substituted by one or more than one C.sub.1 -C.sub.

Abstract: Solutions of accelerator systems comprising a binary system comprisinga) 10 to 90% by weight of a salt of formula I[Me].sub.m.sup.x.sym. [R].sub.n.sup.y.crclbar. (I),wherein x and y are the respective number of charges and m and n are each a number 1, 2, 3 or 4, Me is a metal atom and R is the radical of an alcohol, phenol or thiophenol or of a carboxylic acid or thiocarboxylic acid, or10 to 90% by weight of a salt of formula II[Me.sub.1 ].sub.m.sup.x.sym. [A].sub.n.sup.y.crclbar. (II),with an organic complex former containing one or more hetero atoms having free electron pairs,wherein Me.sub.1 is a metal atom or a group of the formula N(R.sub.1).sub.4, S(R.sub.1).sub.3 or P(R.sub.1).sub.4 wherein each R.sub.1 independently of the others is hydrogen, an unsubstituted or substituted C.sub.1 -C.sub.6 alkyl or aryl radical, A is any anion and x, y, m and n are as defined above, andb) 90 to 10% by weight of an organic solvent containing at least one --OH, --OR.sub.1, --COOH, --COOR.sub.1, --COR.sub.1 or --CON(R.

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: 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.