Abstract: Intumescent, electrical installation systems which comprise an injection molding material of polyolefins or polyimides in combination with intumescent additives, the melting points of the polyolefins and of the polyimides being lower than the intumescence temperature of the intumescent additives.

Abstract: Intumescent, electrical installation systems which comprise an injection molding material of polyolefins or polyimides in combination with intumescent additives, the melting points of the polyolefins and of the polyimides being lower than the intumescence temperature of the intumescent additives.

Abstract: Foams expanding in a fire and based on styrene/butadiene, polyvinyl alcohol, polyurethane or neoprene, which contain a combination of phosphoric acid compound, polyalcohol and polyamide as an intumescent component.

Abstract: Coextruded, intumescent fire-protection strips jacketed on three sides, obtained by coextruding an intumescent composition composed of a thermoplastic elastomer with a processing temperature of not more than 250° C. selected from the class consisting of block copolymers and uncrosslinked thermoplastic polyolefins, sulfuric-acid-treated graphite, flame retardant, and an inorganic additive which forms an enamel or forms a ceramic, and a three-sided jacket, where appropriate in association with a chambered profile, made from a thermoplastic elastomer with a processing temperature of not more than 250° C. selected from the class consisting of block copolymers and uncrosslinked thermoplastic polyolefins, flame retardant, and, where appropriate, a color pigment, where the fire-protection strips may be designed either as a hot-gas seal or else as a combined cold- and hot-gas seal with spatially separated functions.

Abstract: Intumescent, electrical installation systems which comprise an injection molding material of polyolefins or polyimides in combination with intumescent additives, the melting points of the polyolefins and of the polyimides being lower than the intumescence temperature of the intumescent additives.

Abstract: Coextruded, intumescent fire-protection strips jacketed on three sides, obtained by coextruding an intumescent composition composed of a thermoplastic elastomer with a processing temperature of not more than 250° C. selected from the class consisting of block copolymers and uncrosslinked thermoplastic polyolefins, sulfuric-acid-treated graphite, flame retardant, and an inorganic additive which forms an enamel or forms a ceramic, and a three-sided jacket, where appropriate in association with a chambered profile, made from a thermoplastic elastomer with a processing temperature of not more than 250° C. selected from the class consisting of block copolymers and uncrosslinked thermoplastic polyolefins, flame retardant, and, where appropriate, a color pigment, where the fire-protection strips may be designed either as a hot-gas seal or else as a combined cold- and hot-gas seal with spatially separated functions.

Abstract: The invention relates to halogen-free cable sheaths for wires and optical cables which consist of a halogen-free plastic, an intumescent component and an inorganic glass former which forms a flame-resistant inorganic foam in the event of fire.

Abstract: Flame resistant glass fiber-reinforced polyamide resin composition with 10 to 40% by weight of melamine- or melem-phosphoric acid reaction products or mixtures thereof as flame retardants and with 10 to 60% by weight of glass fibers.

Abstract: Intumescent sealing and cover profiles obtainable by extrusion of a mixture comprising thermoplastic elastomers, expandable graphite, flame retardants, inorganic fillers and inorganic fibers at from 180 to 250.degree. C. and subsequent shaping to form the appropriate profiles, and their use.

Abstract: 2,6-dimethylphenylmaleimide is used as a comonomer for the preparation of styrene copolymers and vinyl chloride copolymers having an increased glass transition temperature and low intrinsic coloration compared with the prior art.

Abstract: Flame-resistant plastics which contain trihydrazinotriazine and/or triguanidinotriazine and/or the phosphoric acid or boric acid salts thereof as flame retardants.

Abstract: Thermoplastic polyester-imides having improved mechanical properties, characterized in that they consist of recurring units of the formula I ##STR1## in which R denotes an 2,4-tolylene, 2,6-tolylene, 2,5-bis(4-phenylenethio) thiadiazole,or a 1,4-bis(phenylenethio)diphenyl sulfone radical, a process for their preparation and their use for the production of industrial components of plastic.

Abstract: Flame resistant plastics that contain guanidine barbiturates, guanidine thiobarbiturates or their mixtures as flame retardants, and also guanidine barbiturate and guanidine thiobarbiturate.

Abstract: Melamine resin prepregs or melamine resin laminates which consist of a web-like fiber reinforcement which is impregnated with melamine resins which essentially comprisea) 40-85% by weight of at least partly etherified melamine resins, which are obtainable by reaction of melamine, formaldehyde and alkanols having 1 to 8 C atoms in a molar ratio of melamine formaldehyde:alkanol of 1:(5 to 6):(4 to 6), andb) 60-15% by weight of diols consisting of 25 to 75% by weight of polyester-diols and/or polyether-diols having a molecular weight of at least 400 g/mol and 75 to 25% by weight of low molecular weight diols having 2 to 12 C atoms.

Abstract: Flameproof plastic which contains urea cyanurate as flame retardant.

Abstract: Use of spirocyclic boric acid esters of the general formula ##STR1## as flame retardants for plastics. R.sub.1 and R.sub.2 either independently of one another represent divalent radicals of alcohols having 2 to 6 OH groups or together represent the tetravalent radical of pentaerythritol, Z represents an N base and m represents an integer from 1 to 3.

Abstract: Melamine preparation comprising 80 to 99.9% by weight of melamine having an average particle size of 0.01 to 0.1 mm and 0.1 to 20% by weight of cyanuric acid or derivatives thereof and a stable dispersion prepared therefrom in polyether polyols, which is used for the production of flame-retardant polyurethane foams.

Abstract: A melamine preparation consisting of 80 to 99.9% by weight of melamine having an average particle size of 0.01 to 0.1 mm and 0.1 to 20% by weight of urea, thiourea, biuret or urea or thiourea substituted by lower alkyl groups and a stable dispersion in polyether polyols prepared therefrom, which is used for the preparation of flame-resistant polyurethane foams.

Abstract: A composite material which comprises polypropylene having a bimodal molecular weight distribution and which is reinforced by fiber mats. The polypropylene is composed of two fractions having different molecular weights.

Abstract: A process for bonding lignocellulose raw materials using an isocyanate group-containing urethane-modified diphenylmethane diisocyanate mixture having a viscosity of 120 to 1000 mPas at 25.degree. C. and an isocyanate content of 15 to 33.6 percent by weight which is obtained by reacting a diphenylmethane diisocyanate mixture containing 10 to 75 percent by weight of 2,4'-diphenylmethane diisocyanate with 0.05 to 0.5 hydroxyl equivalents of a polyol per equivalent isocyanate group.