Abstract:
Expandierbare Styrolpolymere (EPS), enthaltend jeweils bezogen auf das Styrolpolymer a) 0,05 bis 5 Gew.-% einer organische Bromverbindung mit einem Bromgehalt von mindestens 50 Gew.-% als Flammschutzmittel, b) 0,05 bis 2 Gew.-% eines Flammschutzsynergisten, c) 1 bis 5 Gew.-% eines Metallsalzes als Säurefänger, sowie Verfahren zu ihrer Herstellung.
Abstract:
Die Erfindung betrifft ein flammgeschütztes elastisches Blockpolymerisat enthaltend polymerisierte Einheiten wenigstens eines vinylaromatischen Monomeren und wenigstens eines Dienmonomeren mit wenigstens einem Flammschutzmittel B), welches eine Phosphor enthaltende Verbindung, insbesondere eine phosphorhaltige Melamin-Verbindung enthält, ein Verfahren zur Herstellung sowie die Verwendung zur Herstellung von Formkörpern.
Abstract:
Polymers comprising at least one unit of formula (1) wherein n is 0 or 1, m and p are independently from each other 0,1,2,3,4,5 or 6, provided that the sum of n, m and p is at least 2, and n and p are not 0 at the same time, Ar 1 and Ar 2 are independently from each other C 6-14-arylene or C 6-14-aryl,which may be substituted with 1 to 4 substituents independently selected from the group consisting of C 1-30-alkyl, C 2-30-alkenyl, C 2-30-alkynyl, C 5-8-cycloalkyl, C 6-14-aryl and 5 to 14 membered heteroaryl, and X 1,X 2 and X 3 are independently from each other and at each occurrence O or S, compositions comprising these polymers, and electronic devices comprising a layer formed from the compositions. Preferably, the electronic device is an organic field effect transistor and the layer is the dielectric layer.
Abstract:
The invention relates to a flame-retardant elastic block polymer comprising polymerized units of at least one vinylaromatic monomer and at least one diene monomer with at least one flame retardant B) which comprises a phosphorus-containing compound, especially a phosphorus-containing melamine compound, to a process for preparation and to the use for production of shaped bodies.
Abstract:
A composition comprising at least one copolymer A composed of at least one alkylated styrene, acrylnitrile and optionally at least one further monomer, at least one block copolymer B composed of at least one block that comprises at least one vinyl-aromatic monomer and forms a hard phase and at least one block that comprises at least one vinyl-aromatic monomer and at least one diene and forms a soft phase, and at least one further copolymer C, and optionally a polymer D, wherein the copolymer C is at least one triblock copolymer composed of a first block composed of at least one vinyl-aromatic monomer, a second block composed of at least one diene, and a third block composed of at least one methylmethacrylate monomer, or comprising at least 50% by weight methylmethacrylate, and the polymer D is at least one styrene polymer made of crystal clear and impact-resistant polystyrene. The present invention further relates to a method for producing the composition according to the invention, to the use of the compositions according to the invention for producing molded parts, films, fibers or foams, to molded parts, films, fibers or foams comprising the composition according to the invention, and to the use of the composition according to the invention as packaging for electronic components, such as integrated circuits (microchips) (“electronic packing”), for applications in apparatus engineering, in household goods, in bathroom items, such as toothbrush tumblers, containers for cosmetics and the like, as housings, as pipes, as profiles, for medical items or device, and in toys.
Abstract:
The invention relates to phosphacyclohexanes of general formulae I and II, wherein the following designations, among others, apply: R can represent hydrogen, C1-100-alkyl, C7-20-aralkyl, C7-20-alkaryl, and C6-12-aryl; R to R can independently represent hydrogen, C1-20-alkyl, C7-20-aralkyl, C7-20-alkaryl, and C6-12-aryl; W, W' can independently represent single bonds or bridges comprising 1 to 20 carbon atoms, which can form part of a cyclic or aromatic group and can be interrupted by heteroatoms. Said phosphacyclohexanes are used as ligands in transition metal complexes of transition metals belonging to subgroup VIII of the periodic table.
Abstract:
The invention relates to a thermoplastic molding compound, at least containing particles made of non-oxidatively polymerized vegetable oil, which is cross-linked via functional groups, as component (A), at least one thermoplastic polymer as component (B), optionally at least one resin as component (C), optionally at least one filler as component (D), and optionally further additives. The invention further relates to a method for producing same, and to the use thereof.