Abstract: Thermoplastic, flame-retarded plastic moulding compounds with improved mechanical properties, in particular for LDS applications, are described. The thermoplastic moulding compound consists of: (A) 21-81.9 wt. % thermoplastic material, consisting of (A1) 55-100 wt. % polyamide, containing at least 50 wt. % partly aromatic, partly crystalline polyamide; (A2) 0-45 wt. % non-polyamide based thermoplastic material, wherein (A1) and (A2) add up to 100 wt. % component (A); (B) 10-70 wt. % glass fibres; (C) 0.1-10 wt. % LDS additive or a mixture of LDS additives; (D) 8-18 wt. % halogen-free flame retardant; (E) 0-40 wt. % particulate filler, different from (C); (F) 0-2 wt. % other further additives; wherein the sum of (A)-(F) makes up 100 wt. %.

Abstract: A description is given of thermoplastic, white-pigmented plastics moulding compositions having improved mechanical properties, especially for LDS applications. The thermoplastic moulding composition consists of: (A) 20-88 wt % of a mixture consisting of (A1) 60-100 wt % of a thermoplastic (A2) 0-40 wt % of a mixture of (A2_1) 0-40 wt % of a thermoplastic other than (A1); (A2_2) 0-40 wt % of impact modifiers other than (A1) and (A2_1); (B) 10-70 wt % of fibrous adjuvants; (C) 0.1-10 wt % of an LDS additive or of a mixture of LDS additives, at least one LDS additive being selected from the following group: metal oxide based on copper, neodymium, molybdenum, bismuth, antimony or tin, with the proviso that spinels are excluded; metal phosphate; metal hydroxide phosphate; (D) 0.1-20 wt % of white pigment; (E) 0-20 wt % of particulate filler other than C and/or D; (F) 0-2 wt % of further, different additives; a the sum of (A)-(F) making up 100 wt %.

Abstract: Polyamide molding materials for transparent molding parts. The materials comprise transparent copolyamides that contain: (A) 40 to 100 wt % of at least one transparent copolyamide with a glass transition temperature (Tg) of at least 80° C. and not more than 150° C., composed of at least two diamines that are different from each other, wherein the at least two diamines are a mixture of (a) 50 to 90 mol % bis-(4-amino-3-methylcyclohexyl)methane (MACM) and/or bis-(4-amino-3-ethylcyclohexyl)methane (EACM) and/or bis-(4-amino-3,5-dimethylcyclohexyl)methane (TMACM) and b) 10 to 50 mol % aliphatic diamine having 9 to 14 carbon atoms, in particular decandiamine, particularly preferably at least 20 mol % decandiamine, each relative to the total amount of diamines, and of one or more aliphatic dicarboxylic acids, having 6 to 36 carbon atoms, (B) 0 to 60 wt % of at least one further polymer, (C) 0 to 10 wt % of additives, the sum of the components (A), (B) and (C) totaling 100% by weight.

Abstract: A polyamide molding composition is described comprising the following components (A)-(C) in the following composition, where the entirety of components (A), (B) and (C) gives 100% by weight: (A) from 25 to 75% by weight of at least one transparent copolyamide composed of (a) from 50 to 90 mol % of a cycloaliphatic diamine selected from the group consisting of: bis(4-amino-3-methylcyclohexyl)methane (MACM), bis(4-aminocyclohexyl)methane (PACM), bis(4-amino-3-ethylcyclohexyl)methane (EACM), bis(4-amino-3,5-dimethylcyclohexyl)methane (TMACM) and mixtures thereof and (b) from 10 to 50 mol % of an unbranched, aliphatic diamine, based in each case on the total amount of diamines, and also (c) of one or more aliphatic and cycloaliphatic dicarboxylic acid(s), (B) from 25 to 75% by weight of at least one further polyamide of PAXY type, where X and Y can assume, independently of one another, the values from 9 to 14, (C) from 0 to 10% by weight of additives.

Abstract: A transparent polyamide moulding material containing at least one cycloolefin co-polymer comprises a mixture of: (A) 55 to 99 wt % of at least one amorphous polyamide; and (B) 1 to 30 wt % of the at least one cycloolefin copolymer, Wherein, in the at least one cycloolefin copolymer (B), the cycloolefin fraction is more than 40 mol %. In this connection, the sum of the components (A) and (B) together with optional additives (C) is 100 wt % of the polyamide moulding material.

Abstract: The present invention relates to a pulverulent adhesive for textile reinforcing inserts, which is dispersible in water, for the production of reinforced rubber products. The adhesive thereby comprises an at least partially capped, low-molecular isocyanate, a wetting agent, a binder and also possibly further additives.

Abstract: A binding fiber having, as at least one first thermoplastic component, a copolyamide which has a relative viscosity of at least 1.50 (measured at 0.5% in m-cresol at 25° C.), a MVR of maximum 20 cm3/10 min at 190° C. and 2.16 kg load, a hydrophobicity of less than 7.2, a melting temperature lower than 105° C. in the water saturated condition and a higher melting temperature in the dry condition. The binding fiber can, on the one hand, be activated with hot steam at approximately ambient pressure during the manufacture of flat materials containing natural fibers, such as paper, cardboard, wood fiber boards, or fiber mats. The finished flat material can, on the other hand, be subjected to higher temperatures, and the copolyamide develops good bonding with respect to the cellulose fibers normally used in the indicated flat materials.

Abstract: An unreinforced, halogen-free polyamide moulding composition having the following composition: (A) 62-87% by weight of a partially aromatic, partially crystalline copolyamide having a melting point of 270° C. to 320° C. and made up of 100% by weight of diacid fraction composed of: 50-100% by weight of terephthalic acid (TPA) and/or naphthalenedicarboxylic acid; 0-50% by weight of isophthalic acid (IPA), and 100% by weight of diamine fraction; (B) 5-15% by weight of ionomer; (C) 8-18% by weight of flame retardants; (D) 0-5% by weight of additives; where the components (A)-(D) add up to 100% by weight.

Abstract: Polyamide blend molding compound, includes a polyamide blend content and at least one impact-resistant component, characterized in that the polyamide blend content includes the following polyamides: (A) 20 to 65% by weight of at least one semi-crystalline polyamide with an enthalpy of fusion >40 J/g and with an average of at least 8 C atoms per monomeric unit; (B) 8 to 25% by weight of at least one amorphous and/or microcrystalline polyamide, with the microcrystalline polyamide having an enthalpy of fusion in the range of 4 to 40 J/g, and (C) 1 to 20% by weight of at least one polyamide with an average of a maximum of 6 C atoms per monomeric unit. The impact-resistant component includes as follows: (D) 10 to 40% by weight of a polyamide elastomer which is composed of hard segments and soft segments, with the hard segments being based on lactams and/or amino-carboxylic acids, and (E) 0 to 35% by weight of a non-polyamide elastomer.

Abstract: A thermoplastic moulding composition, in particular a polyamide moulding composition, consisting of, by weight: (A) 20-88%—thermoplastic material; (B) 10-60%—fibrous fillers, formed from (B1) 10-60%—glass fibres, selected from: glass fibres (B1_1) with a non-circular cross section, wherein the axis ratio of the main cross-sectional axis to the secondary cross-sectional axis is at least 2; high-strength glass fibres (B1_2) with a glass composition (substantially SiO2, AlO, and MgO; or mixtures thereof; (B2) 0-20%—glass fibres, different from glass fibres of component (B1) and have a circular cross section; and (B3) 0-20%—further fibrous fillers, different from fibres of (B1) and (B2), not based on glass, and selected from the group: carbon fibres, graphite fibres, aramid fibres, nanotubes; (C) 2-10%—LDS additive or a mixture of LDS additives; (D) 0-30%—particulate filler; (E) 0-2%—further, different additives; the sum of (A)-(E) is 100% by weight.

Abstract: The present invention relates to a flame-retardant polyamide moulding composition with good mechanical properties with the following constitution: (A) from 25 to 90% by weight of at least one polyamide, (B) from 5 to 60% by weight of glass fibres, where the arithmetic average of the length of these in the polyamide moulding composition is from 100 to 220 ?m, (C) from 5 to 25% by weight of at least one phosphinic salt and/or one diphosphinic salt, (D) from 0 to 20% by weight of at least one additive, where the entirety of components (A) to (D) gives 100% by weight. The invention also relates to processes for the production of moulding compositions of this type, to mouldings produced therefrom, and also to uses.

Abstract: A polyamide molding material is proposed, which comprises at least one partially crystalline, partially aromatic polyamide (A) and at least one amorphous polyamide (B). The polyamides (A) and (B) together make up 30-60 wt.-% of the polyamide molding material. Furthermore, the polyamide molding material comprises 40-70 wt.-% glass fibers (C) having flat cross section, 0-15 wt.-% of at least one nonhalogenated flame retardant (D), and 0-10 wt.-% further additives (E), the components (A) to (E) adding up to 100 wt.-% of the polyamide molding material. The at least one partially crystalline, partially aromatic polyamide (A) has a glass transition temperature of at least 105° C. The polyamide molding material according to the invention is preferably distinguished in an injection-molding burr formation test in that, at a melt temperature of 320° C. and a tool temperature of 90° C.

Abstract: A thermoplastic molding composition, in particular a polyamide molding composition, consisting of, by weight: (A) 20-88%—thermoplastic material; (B) 10-60%—fibrous fillers, formed from (B1) 10-60%—glass fibers, selected from: glass fibers (B1_1) with a non-circular cross section, wherein the axis ratio of the main cross-sectional axis to the secondary cross-sectional axis is at least 2; high-strength glass fibers (B1_2) with a glass composition (substantially SiO2, AlO, and MgO; or mixtures thereof; (B2) 0-20%—glass fibers, different from glass fibers of component (B1) and have a circular cross section; and (B3) 0-20%—further fibrous fillers, different from fibers of (B1) and (B2), not based on glass, and selected from the group: carbon fibers, graphite fibers, aramid fibers, nanotubes; (C) 2-10%—LDS additive or a mixture of LDS additives; (D) 0-30%—particulate filler; (E) 0-2%—further, different additives; the sum of (A)-(E) is 100% by weight.

Abstract: Flame-retardant polyamide molding material for sheathing optical waveguides/cables, includes: (A) 40-71 wt.-% copolyamide MACMI/12; (B) 20-51 wt.-% of at least one aliphatic polyamide; (C) 6-20 wt.-% melamine cyanurate; (D) 3-10 wt.-% aryl phosphate; and (E) 0-6 wt.-% further additives. Components total 100 wt.-% of polyamide molding material. Copolyamide a MACMI/12 has laurin lactam content of 23-45 mol-% in relation to molar sum of monomers MACM, isophthalic acid, and laurin lactam of this copolyamide. Isophthalic acid in copolyamide MACMI/12 can be entirely/partially replaced by terephthalic acid. Test specimen produced from this polyamide molding material has Shore hardness D of at least 77, and buckling test using PA12 extrudate coated with this molding material is passed upon winding around metal rod having 12 mm diameter. PA12 extrudate for buckling test has diameter of 1.5 mm and coating 0.7 mm thick.

Abstract: What is described is a polyamide molding material based on semicrystalline polyamides for production of LED housings or housing components with high strength, high long-term reflectivity and low blistering tendency. The polyamide moulding material proposed consists of the following components (A) 40 to 80% by weight of at least one semiaromatic polyamide based on at least 70 mol % of aromatic dicarboxylic acids and at least 70 mol % of aliphatic diamines having 4 to 18 carbon atoms and having a melting temperature in the range from 270° C. to 340° C. (B) 10 to 30% by weight of titanium dioxide particles (C) 5 to 20% by weight of glass fibres (D) 5-30% by weight of calcium carbonate. The percentages by weight of components (A) to (D) together add up to 100%, with the proviso that components (B), (C) and (D) meet the following conditions: (B)+(C)+(D)=20 to 60% by weight; weight ratio of (C)/(D) in the range from 0.25 to 1.

Abstract: What is described is the use of a polyamide moulding composition for the production of a stain-resistant article, the staining tendency (ST) of the article being at most 15. Here, the composition contains 30-100% by weight of a polyamide mixture, consisting of more than 50 and up to 98% by weight of at least one semi-aromatic polyamide comprising 2 to up to 50% by weight of amorphous and/or microcrystalline polyamides having a glass transition temperature of at least 100° C., based on: 20-100 mol % of at least one cycloaliphatic diamine; and 0-80 mol % of at least one other aliphatic and/or aromatic diamine; and also aromatic and/or aliphatic dicarboxylic acids comprising at least 6 carbon atoms. In addition, 0-70% by weight of fibrous additives (B1) and/or particulate additives (B2), 0-30% by weight of impact toughness modifier and/or polymers different from (A), 0-25% by weight of a flame retardant, and 0-3% by weight of additives may also be contained.

Abstract: What is described is the use of a polyamide moulding composition for the production of a stain-resistant article, the staining tendency (ST) of the article being at least 2. Here, the composition contains 30-100% by weight of a polyamide or a polyamide mixture, consisting of 50-100% by weight of at least one amorphous and/or microcrystalline polyamide having a glass transition temperature of at least 100° C., based on: 20-100 mol % of at least one cycloaliphatic diamine; and 0-80 mol % of at least one other aliphatic and/or aromatic diamine; and also aromatic and/or aliphatic dicarboxylic acids comprising at least 6 carbon atoms, and 0-50% by weight of at least one semi-aromatic polyamide. In addition, 0-70% by weight of fibrous fillers (B1) and/or particulate fillers (B2), 0-30% by weight of impact toughness modifier and/or polymers different from (A), 0-25% by weight of a flame retardant, and 0-3% by weight of additives may also be contained.

Abstract: What is described is the use of a polyamide moulding composition for the production of a stain-resistant article, the staining tendency (ST) of the article being at least 2. Here, the composition contains 30-100% by weight of a polyamide or a polyamide mixture, consisting of 50-100% by weight of at least one amorphous and/or microcrystalline polyamide having a glass transition temperature of at least 100° C., based on: 20-100 mol % of at least one cycloaliphatic diamine; and 0-80 mol % of at least one other aliphatic and/or aromatic diamine; and also aromatic and/or aliphatic dicarboxylic acids comprising at least 6 carbon atoms, and 0-50% by weight of at least one semi-aromatic polyamide. In addition the moulding composition comprises 0.01-20% by weight of one or several inorganic white pigments.

Abstract: A polyamide moulding composition for the production of a stain-resistant article, the staining tendency (ST) of the article being at most 15. The composition contains 30-100% by weight of a polyamide mixture, consisting of more than 50 and up to 98% by weight of at least one semi-aromatic polyamide comprising 2 to up to 50% by weight of amorphous and/or microcrystalline polyamides having a glass transition temperature of at least 100° C., based on: 20-100 mol % of at least one cycloaliphatic diamine; and 0-80 mol % of at least one other aliphatic and/or aromatic diamine; and also aromatic and/or aliphatic dicarboxylic acids comprising at least 6 carbon atoms. In addition, the composition comprises inorganic white pigments. fibrous or particulate additives, impact toughness modifier and/or polymers different from (A), 0-25% by weight of a flame retardant.

Abstract: A transparent polyamide elastomer of the general structure (I), where R1 is a polyamide segment formed from a) 10-100 mol % of alkyl-substituted bis(aminocyclohexyl)methane or bis(aminocyclohexyl)propane and 0-90 mol % of other cycloaliphatic, aliphatic or aromatic C6-C36 diamines, based on the total amount of diamine in the polyamide segment, and b) aliphatic C4-C36 dicarboxylic acids, cycloaliphatic or aromatic C8-C36 dicarboxylic acids, and c) optionally lactams or aminocarboxylic acids C6-C12, R2 being selected from the group of the divalent radicals: linear or branched C2-C5 polyoxyalkylene, polyolefin, polysiloxane with a number-average molar mass in the range of 200-3000 g/mol, C2-C36 alkylene, C6-C36 cycloalkylene, C6-C20 aryl, polycaprolactone, polyesters based on aliphatic or cycloaliphatic dicarboxylic acids and diols, aliphatic polycarbonate, and also copolymers of or mixtures of these elements, and X1 and X2 independently of one another being amide (CONH) or ester (COO) bonds.