Abstract:
Thermoplastic moulding compositions comprising: A) from 40 to 96% by weight of a partly aromatic polyamide, B) from 2 to 30% by weight of a copolymer of B 1 ) from 35 to 89.9% by weight of ethylene, B 2 ) from 10 to 60% by weight of 1-octene or 1-butene or propylene or a mixture thereof and B 3 ) from 0.05 to 5% by weight of functional monomers selected from the group consisting of carboxylic acid, carboxylic anhydride, carboxylic ester, carboxamide, carboximide, amino, hydroxyl, epoxide, urethane and oxazoline groups and mixtures thereof, C) from 1 to 50% by weight of fibrous or particulate fillers or mixtures thereof, D) from 0.1 to 10% by weight of D 1 ) at least one highly branched or hyperbranched polycarbonate having an OH number of from 1 to 600 mg of KOH/g of polycarbonate (in accordance with DIN 53240, Part 2) or D 2 ) at least one highly branched or hyperbranched polyester of the A x B y type where x is at least 1.1 and y is at least 2.1 or a mixture thereof, E) from 0 to 15% by weight of an electrically conductive additive, F) from 0 to 30% by weight of further additives, where the sum of the percentages by weight of the components A) to F) is 100%.
Abstract:
Thermoplastic moulding compositions comprising A) from 40 to 96.2% by weight of a semiaromatic polyamide, B) from 2 to 30% by weight of an impact-modifying polymer which contains functional groups, C) from 1 to 50% by weight of fibrous or particulate fillers or a mixture of these, D) from 0.2 to 5% by weight of a lubricant, E) from 0.5 to 15% by weight of an electrically conductive additive, F) from 0 to 30% by weight of other additives, where the total of the percentages by weight of components A) to F) is 100%.
Abstract:
Preparation of an aqueous polymer dispersion comprises radically initiated polymerization of an ethylenically unsaturated monomer in the presence of dispersing additives, optionally a water soluble organic solvent in an aqueous medium, where at least a partial quantity of ethylenic unsaturated monomer and an aqueous soluble organic solvent exists with an average droplet diameter of = 1000 nm (mini-emulsion). Preparation of an aqueous polymer dispersion comprises radically initiated polymerization of an ethylenically unsaturated monomer in the presence of dispersing additives, optionally a water soluble organic solvent in an aqueous medium, where at least a partial quantity of ethylenically unsaturated monomer and an aqueous soluble organic solvent exists with an average droplet diameter of = 1000 nm (mini-emulsion), where the mini-emulsion is prepared by a raw emulsion with an average diameter of >= 2 mu m, containing at least partial quantity of water, dispersing additives, ethylenically unsaturated monomer, optionally a water soluble organic solvent, and passed through a micro-porous membrane with an average pore diameter of = 1000 nm.
Abstract:
The invention relates to a polyoxymethylene (POM) powder for use in a selective laser sintering process and having the following parameters: Isothermal crystallization time (at 152° C.) >3 min Mn from 22 000 to 25 000 g/mol Mw from 60 000 to 140 000 g/mol Mw/Mn from 3 to 5 MVR from 15 to 70 [cm3/10 min] d50 average particle size 60 μm Particle size from 30 to 130 μm. A process for producing the powder, and also moldings produced from this powder by a selective laser sintering process, are also described.
Abstract:
Die Erfindung betrifft einen Behälter zur Verpackung von Lebensmitteln, umfassend ein Behältergefäß und eine Behälterabdeckung, wobei das Behältergefäß im Spritzgieverfahren aus einem Kunststoff A hergestellt wird und die Behälterabdeckung aus einer Folie oder einem Deckel, umfassend einen Kunststoff B, besteht und wobei das Behältergefäß und die Behälterabdeckung miteinander verschweißt sein und wobei sowohl Kunststoff A als auch Kunststoff B eine Sauerstoffpermeabilität im Bereich von 5 cm100 µm/(mdp) bis 700 cm100 µm/(mdp) aufweisen, wobei erfindungswesentlich ist, daß der Kunststoff A ausgewählt ist aus der Gruppe der Polyamide, Polyethylenterephthalate, Polybutylenterephthalate und Styrol(co)polymere und der Kunststoff B ein Polyamid ist. Weiterhin betrifft die Erfindung Verfahren zur Herstellung und die Verwendung der erfindungsgemäßen Behälter.
Abstract:
Thermoplastic molding compositions comprising A) from 40 to 96.2% by weight of a semiaromatic polyamide, B) from 2 to 30% by weight of an impact-modifying polymer which comprises functional groups, C) from 1 to 50% by weight of fibrous or particulate fillers or a mixture of these, D) from 0.2 to 5% by weight of a lubricant, E) from 0.5 to 15% by weight of an electrically conductive additive, F) from 0 to 30% by weight of other added materials, where the total of the percentages by weight of components A) to F) is 100%.
Abstract:
Die Erfindung betrifft einen Behälter zur Verpackung von Lebensmitteln, umfassend ein Behältergefäß und eine Behälterabdeckung, wobei das Behältergefäß im Spritzgießverfahren aus einem Kunststoff A hergestellt wird und die Behälterabdeckung aus einer Folie oder Deckel, umfassend einen Kunststoff B, besteht und wobei das Behältergefäß und die Behälterabdeckung miteinander verklebt sind und wobei sowohl Kunststoff A als auch Kunststoff B eine Sauerstoffpermeabilität im Bereich von 5 cm100 µm/(mdp) bis 700 cm100 µm/(mdp) aufweisen, wobei erfindungswesentlich ist, dass der Kunststoff A ausgewählt ist aus der Gruppe der Polyamide, Polyethylenterephthalate, Polybutylenterephthalate und Styrol(co)polymere und der Kunststoff B ein Polyamid ist. Weiterhin betrifft die Erfindung Verfahren zur Herstellung und die Verwendung der erfindungsgemäßen Behälter.
Abstract:
Thermoplastic molding compositions comprising A) from 40 to 96% by weight of a semiaromatic polyamide, B) from 2 to 30% by weight of a copolymer composed of B1) from 35 to 89.9% by weight of ethylene, B2) from 10 to 60% by weight of 1-octene or 1-butene or propylene or a mixture of these, and B3) from 0.05 to 5% by weight of functional monomers, where the functional monomers have been selected from the group of the carboxylic acid groups, carboxylic anhydride groups, carboxylic ester groups, carboxamide groups, carboximide groups, amino groups, hydroxy groups, epoxy groups, urethane groups, or oxazoline groups, or a mixture of these, C) from 1 to 50% by weight of fibrous or particulate fillers, or a mixture of these, D) from 0.1 to 10% by weight of D1) at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or D2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these, E) from 0 to 15% by weight of an electrically conductive additive, F) from 0 to 30% by weight of further additives, where the total of the percentages by weight of components A) to F) is 100%.
Abstract:
Thermoplastic molding compositions comprising A) from 40 to 96.2% by weight of a semiaromatic polyamide, B) from 2 to 30% by weight of an impact-modifying polymer which comprises functional groups, C) from 1 to 50% by weight of fibrous or particulate fillers or a mixture of these, D) from 0.2 to 5% by weight of a lubricant, E) from 0.5 to 15% by weight of an electrically conductive additive, F) from 0 to 30% by weight of other added materials, where the total of the percentages by weight of components A) to F) is 100%.