Abstract: The invention relates to a polyamide polymer; to a polymer composition comprising the polyamide polymer and a fibrous reinforcing agent or a filler, or a combination thereof; to a molded part made of the polymer composition; and to an automotive vehicle comprising a load-bearing structural part made of the molded part. Herein the polyamide polymer has a glass transition temperature (Tg) of at least 145° C. and a dynamic modulus (E?), measured at a temperature (Tmod) equal to Tg+15° C., in the range of 100 MPa-700 MPa.

Abstract: The invention relates to a process for preparing a polymer composition, comprising a blending step wherein a first polymer (component A1) and at least one further component are dosed into and mixed in a mixing apparatus, and wherein the first polymer A1 is a granulate polyamide material directly obtained by direct solid state polymerization of a diammonium dicarboxylate salt prepared by fluidized bed spray granulation. The invention also relates to a dry-blend obtainable by said process.

Abstract: The invention relates to a process for preparing a polymer composition, comprising a blending step wherein a first polymer (component A1) and at least one further component are dosed into and mixed in a mixing apparatus, and wherein the first polymer A1 is a granulate polyamide material directly obtained by direct solid state polymerization of a diammonium dicarboxylate salt prepared by fluidized bed spray granulation. The invention also relates to a dry-blend obtainable by said process.

Abstract: The invention relates to a LED lighting device LLD) comprising a heat spreader, having a front side and a back side; LEDs mounted on a PCB positioned on the front side of the heat spreader; a reflector or lens covering the LEDs; a socket for being received by an electrical supply system; optionally a base part; electronic driver components mounted on the back side of the heat spreader or inside the socket or base part; electrical leads or wiring system connecting the socket, the electronic driver components and the heat spreader; and a housing, optionally encapsulating the electronic components and the electrical leads or wiring system, being in thermally conductive contact with the heat spreader, wherein the housing is made of an thermally conductive, electrically conductive plastic material (TC/EC-material-A), covered with a protection layer consisting of an electrically insulating material (EI-material-B), on the outside of the housing.

Abstract: The invention relates to an assembly of parts comprising a first part containing a first polymer composition and a second part containing a second polymer composition, both compositions comprising a semi-crystalline polymer and optionally one or more other components, the first part and the second part being fastened to each other through an interface between the first polymer composition and the second polymer composition, wherein the interface is free from mechanically interlocking elements and the thermal conductivity of the second polymer composition (TC2) is higher than the thermal conductivity of the first polymer composition (TC1) with a factor TC2/TC1 of at least 1.5. The invention further relates to a process for manufacturing such an assembly and to various uses of said assembly.

Abstract: The present invention relates to a thermoconductive polymer composition comprising: a) 10-30 wt. % of glass fibers; b) 40-45 wt. % of talc; c) 20-50 wt. % of a thermoplastic polymer comprising at least one polyamide selected from the group consisting of PA46, PA6, PA66 and mixtures thereof; wherein the sum of a) and b) is at least 50 wt. % and at most 70 wt. % and wherein the weight percentages (wt. %) are relative to the total weight of the composition.

Abstract: The invention relates to a smart junction box made from a thermally conductive thermoplastic polymer composition comprising a thermoplastic polymer, between 10 and 40 wt. % of a thermally conductive (TC) filler, between 15 and 30 wt. % of a flame retardant (FR) and between 20 and 45 wt. % of glass fibres (GF). The invention also relates to a polymer composition comprising between 25 and 67.5 wt. % of at least one aliphatic polyamide, between 10 and 40 wt. % of a thermally conductive (TC) filler, between 15 and 30 wt. % of a flame retardant (FR) and between 7.5 and 40 wt. % of glass fibres (GF), wherein the weight percentages (wt. %) are relative to the total weight of the composition.

Abstract: The invention relates to a polyamide composition with an improved resistance against yellowing. The invention also relates to a shaped article made from the composition and to a method of forming such a shaped article. The polyamide composition comprises: a. 90 to 40 wt % of one or more semi-aromatic polyamides and b.10 to 60 wt % of one or more of aliphatic polyamides and c.1 at least one white pigment as secondary component and c.2 optionally one or more other secondary components, wherein the sum of the amount of semi-aromatic and aliphatic polyamide is 100 wt % and wherein: i. the semi-aromatic polyamide is derived from one or more aliphatic diamine monomers containing 4 to 12 carbon atoms and one or more benzene dicarboxylic acid monomers and ii.

Abstract: Part of a LED system being exposed to LED light, particular the reflector for a LED (light Emitting Diode) system, more particular the reflector for a mixing chamber of a LED system, which the part consists of a polymer composition comprising a polyester and a white pigment.

Abstract: The invention relates to a polyamide composition with an improved resistance against yellowing. The invention also relates to a shaped article made from the composition and to a method of forming such a shaped article. The polyamide composition comprises: a. 90 to 40 wt % of one or more semi-aromatic polyamides and b.10 to 60 wt % of one or more of aliphatic polyamides and c.1 at least one white pigment as secondary component and c.2 optionally one or more other secondary components, wherein the sum of the amount of semi-aromatic and aliphatic polyamide is 100 wt % and wherein: i. the semi-aromatic polyamide is derived from one or more aliphatic diamine monomers containing 4 to 12 carbon atoms and one or more benzene dicarboxylic acid monomers and ii.

Abstract: The invention relates to a lighting armature or light generator, comprising a housing, a light source and drive electronics for driving the light source, wherein the having cooling fins made of a plastic composition having an orientation averaged thermal conductivity of at least 2.0 W/m·K.

Abstract: The invention relates to an assembly of parts comprising a first part containing a first polymer composition and a second part containing a second polymer composition, both compositions comprising a semi-crystalline polymer and optionally one or more other components, the first part and the second part being fastened to each other through an interface between the first polymer composition and the second polymer composition, wherein the interface is free from mechanically interlocking elements and the thermal conductivity of the second polymer composition (TC2) is higher than the thermal conductivity of the first polymer composition (TC1) with a factor TC2/TC1 of at least 1.5. The invention further relates to a process for manufacturing such an assembly and to various uses of said assembly.

Abstract: The invention relates to a lighting armature or light generator, comprising a housing, a light source and drive electronics for driving the light source, wherein the having cooling fins made of a plastic composition having an orientation averaged thermal conductivity of at least 2.0 W/m·K.

Abstract: The invention relates to a plastic component for use in a lighting system, the plastic component comprising a semi-aromatic polyamide (X) comprising repeat units derived from aliphatic diamines and dicarboxylic acids wherein: (a) the aliphatic diamines consist a mixture of 10-70 mole % of a short chain aliphatic diamine with 2-5 C atoms and 30-90 mole % of a long chain aliphatic diamine with at least 6 C atoms; (b) the dicarboxylic acids consist of a mixture of 5-65 mole % aliphatic dicarboxylic acid and optionally aromatic dicarboxylic acid other than terephthalic acid, and 35-95 mole % terephthalic acid; and (c) the combined molar amount of terephthalic acid and the long chain aliphatic diamine is at least 60 mole %, relative to the total molar amount of the dicarboxylic acids and diamines. The invention also relates to a polymer composition that can be used for making the said plastic component comprising 100 pbw of a semi-aromatic polyamide (X) and 1-250 pbw of an inorganic material.

Abstract: The invention relates to a thermosetting resin composition including a radically curable resin mixture of: a) 50-100 parts by weight of a radically curable resin that also contains a free monomer capable of copolymerising with it; b) 0-50 parts by weight of a shrink-resistant compound that can also contain an amount of copolymerisable free monomer, the total of (a) and (b) adding up to 100, and 2D-randomly distributed, discontinuous carbon fibres obtained by chopping split, continuous carbon fibre bundles to form packages of carbon filaments, which carbon bundles are provided with a sizing that is at least partially chemically bonded thereto, and with a binder whose solubility at room temperature in the copolymerisable free monomer present in the radically curable resin mixture amounts to at least 10% by weight, the weight percentage of carbon fibres relative to the resin composition being between 5 and 65% by weight, and optionally a filler also being present.

Abstract: The invention relates to a thermosetting resin composition consisting of a radically curable resin mixture consisting of: (a) 50-100 parts by weight of a radically curable resin that also contains a free monomer capable of copolymerising with it; (b) 0-50 parts by weight of a shrink-resistant compound that can also contain an amount of copolymerisable free monomer, the total of (a) and (b) adding up to 100, and 2D-randomly distributed, discontinuous carbon fibres obtained by chopping split, continuous carbon fibre bundles to form packages of carbon filaments, which carbon bundles are provided with a sizing that is at least partially chemically bonded thereto, and with a binder whose solubility at room temperature in the copolymerisable free monomer present in the radically curable resin mixture amounts to at least 10% by weight, the weight percentage of carbon fibres relative to the resin composition being between 5 and 65% by weight, and optionally a filler also being present.