Bayer Materialscience Ag

Bayer Aktiengesellschaft

Covestro Deutschland Ag

Bayer Materialscience, LLC

Bayer Intellectual Property Gmbh

Bayer Intellectual Proeprty Gmbh

Covestro Intellectual Property Gmbh & Co. Kg

Kemira Germany Gmbh

Ineos Abs Limited

Eckhard Wenz

Andreas Seidel

Thomas Eckel

Herbert Eichenauer

Dieter Wittmann

Achim Feldermann

Vera Buchholz

Hans-Juergen Klankers

Ulrich Jansen

Vera Taschner

Heinrich Alberts

Holger Warth

Michael Erkelenz

Thomas Roick

Rolf Wehrmann

Dirk Achten

Klaus Horn

Johan Kijlstra

Bernd Thiele

G&uuml;nter Sackmann

Bernhard Jansen

Helmut Werner Heuer

Thomas Büsgen

Peter Reichert

Karl Zabrocki

Ulrich Grosser

Olaf Halle

Nicolas Degiorgio

Reiner Rudolf

Burkhard Thuermer

Bernd Keller

Thomas Grimm

Udo Wolf

Arno Nennemann

Hans-Jürgen Thiem

Evgeny Avtomonov

Martin Döbler

Pierre Moulinie

Hans-Erich Gasche

Ingmar Hermsdorfer

Rainer Protte

Joachim K&ouml;nig

Hans-Juergen Thiem

Stefan Moss

Birgit Mannel

Burkhard K&ouml;hler

Sven Hobeika

Lars Frye

Bernd Hauschel

Uli Franz

Birte Sämisch

Pierre Vanhoorne

Christopher Schirwitz

Evgueni Avtomonov

Hans-Bernhard Hauertmann

Uwe Peucker

Hans-Jürgen Klankers

Hartwig Kempkes

Birgit Derfuss

Liqing-Lee Sun

R&uuml;diger Seidel

Manfred Nawroth

Klaus Kraner

Peter Weimar

Christof Boden

Philipp Moeller

Gabriele Kinkel

Thomas Höhnk

Philipp Möller

Wolfgang Schwartmann

Bernd Urbanneck

Pierre Moulinié

Bruce Hager

Fred J Zaganiacz

Olaf Meincke

Dirk Kurzidim

Ralf-Jürgen Born

Wilhelm Bergmeier

Matthias Kroh

Holger Flat A 15/F The Harbourview Warth

Günter Sackmann

Joachim KÖNIG

The invention relates to a multilayer body comprising at least one substrate layer, a metal layer bonded directly thereto and optionally at least one protective layer atop the metal layer, wherein the substrate layer comprises a composition which is obtained by mixing polycarbonate, talc and a specific wax. It was shown that the multilayer bodies obtained are particularly suitable for use as reflectors and (housing) components for light sources and heat sources and displays.

Multilayer body, comprising a substrate layer containing polycarbonate, talc and wax

A method for producing an object with layers of different materials in an additive manufacturing process comprises the following steps: &#x2022;I) providing a construction material heated at least in part to a temperature above its glass transition temperature on a substrate, so that a layer of the construction material is obtained which corresponds to a first selected cross section of the object; &#x2022;II) providing a construction material heated at least in part to a temperature above its glass transition temperature on a previously provided layer of the construction material, so that another layer of the construction material is obtained which corresponds to another selected cross section of the object and which is connected to the previously provided layer; &#x2022;III) repeating step II) until the object is formed. In the individual steps II) in the method, the construction material is selected each time from a first construction material and a second construction material different from the first, the first construction material being a polycarbonate, polyester, polyester carbonate, polyimide, polylactic acid, polyvinyl chloride, polystyrene, polymethyl(meth)acrylate or mixtures of at least two thereof. Step II) is carried out at least once with the first construction material and step II) is carried out at least once with the second construction material. The invention further relates to an object that is obtainable using the method described above.

Layered manufacturing process for an object with different layer material and object with different layer material

The invention relates to a fibre composite () comprising at least one fibre layer () composed of a fibre material which is embedded in a matrix () based on a thermoplastic, where the composition of the matrix () contains: 60-95 parts by weight of aromatic polycarbonate and/or aromatic polyester carbonate and further additives. The invention further relates to the use of such a fibre composite for a component for a rail vehicle, in particular for a rail vehicle for transporting passengers. The invention further relates to a process for producing a fibre composite, in which a layer structure () of superposed layers is formed from at least one fibre layer () composed of a fibre material and from polymer layers which are composed of at least one polymer film () and are arranged on both sides of the fibre layer () and in which the layer structure () is pressed under applied pressure and the action of heat to form a fibre composite (), where the polymer film () has a composition corresponding to the matrix of the abovementioned fibre composite.

Fiber composite material, use therefor, and method for the production thereof

The invention relates to compositions consisting of A) 70 to 90 parts by weight of at least one polycarbonate, B) 10 to 30 parts by weight of at least one graft polymer containing a rubber-elastic particulate graft base, which contains diene, and containing a vinyl co(polymer) shell, C) 0 to 15 parts by weight of at least one additive, wherein the sum of the parts by weight of components A) and B) in the composition is normalized to 100. The invention further relates to the use of the compositions to produce components containing a plastic carrier and a multi-ply metal layer, and to molded bodies produced from the compositions.

Polycarbonate compositions for galvanic applications having a high requirement for heat distortion point

The invention relates to a method for producing compositions containing vinylaromatic copolymers which are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characterized by an improved surface quality once the extruded polymer, before being granulated, or the granulate, after being granulated, has been moistened by bringing the polymer in contact with liquid water in a water bath, a tube system filled with water, or a dipping tank, thus making the compositions suitable for producing molded articles having a class A surface that remains flawless over time.

Method for the production of ABS compositions having an improved surface

The invention relates to a method for producing compositions containing vinyl-aromatic copolymers that are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characterized by improved surface quality following storage in a warm-humid environment and are therefore suitable for producing molded articles having a class A surface that remains flawless over time.

Method for the production of ABS compositions having an improved surface following storage in a warm-humid environment

Described herein are polymer compositions comprising Compositions of the present invention are distinguished by an improved surface after heat-moisture storage and are suitable in particular for the production of moldings with a high gloss finish that demand a class A surface, which have optionally been subjected, in whole or in part, to a further surface treatment step involving e.g. lacquering, in-mold decoration, or metallization by vacuum deposition or galvanization.

Abs compositions with improved surface after heat-moisture storage

A composite and process for the production of a composite component, comprising a) a support of a thermoplastic composition, and b) at least one polyurethane layer in direct contact with the support.

Process for the production of polyurethane composite components

The present invention relates to a process for the preparation of compositions comprising vinyl aromatic copolymers prepared by the emulsion polymerisation process and having salt inclusions resulting from their preparation, which compositions are distinguished by an improved surface quality after storage under warm moist conditions and in that respect are suitable for the production of molded bodies having a class A surface.

Process for the preparation of abs compositions having an improved surface after storage under warm moist conditions

The present invention relates to impact-modified polyester/polycarbonate compositions containing: A) 41 to 80 parts by weight, in each case relative to the sum of the parts by weight of components A+B+C+D, of aromatic polycarbonate, B) 5 to 40 parts by weight, in each case relative to the sum of the parts by weight of components A+B+C+D, of polyester with a content of isophthalic acid building blocks, C) 1 to 15 parts by weight, in each case relative to the sum of the parts by weight of components A+B+C+D, of rubber-modified graft polymer, D) 0 to 25 parts by weight, in each case relative to the sum of the parts by weight of components A+B+C+D, of a flame retardant, E) 0 to 20 parts by weight, in each case relative to the sum of the parts by weight of components A+B+C+D=100, of vinyl (co)polymer, F) 0 to 50 parts by weight, in each case relative to the sum of the parts by weight of components A+B+C+D=100, of additives, wherein all the stated parts by weights in the present application are normalized such that the sum of the parts by weight of components A+B+C+D in the composition amounts to 100, which exhibit improved elongation at break in conjunction with excellent multiaxial toughness and low molding shrinkage. Provided that these compositions have been rendered flame-retardant, they exhibit flame retardant properties which are equal to or better than known compositions.

Impact-modified polyester/polycarbonate compositions with improved elongation at break

The invention relates to glass fiber reinforced polycarbonate compositions and molding compositions of the present investor and distinguished by high rigidity, high flowabillty, high processing stability, good chemical resistance and good aging resistance vis-&#xe0;-vis the effects of light and heat compared with the prior art. The present invention also relates to the use of the compositions for the production of shaded articles and to shaped articles comprising the compositions according to the invention.

Glass fiber reinforced polycarbonate molding compositions

The present invention relates to non-aging, impact-modified polycarbonate compositions and molding compositions comprising: A) from 60 to 86 parts by weight (based on the sum of components A+B+C) of aromatic polycarbonate and/or aromatic polyester carbonate, B) from 4 to 12 parts by weight (based on the sum of components A+B+C) of graft polymer comprising: B.1 from 10 to 50 wt. % (based on the graft polymer B) of a shell of at least one vinyl monomer, and B.2 from 90 to 50 wt. % (based on the graft polymer B) of a graft base of silicone-acrylate composite rubber, C) from 10 to 30 parts by weight (based on the sum of components A+B+C) of a polymer or copolymer based on vinyl monomer, and D) from 0 to 20 parts by weight of polymer additives.

Impact modified polycarbonate compositions

The present disclosure relates to impact-modified polycarbonate compositions which comprise a graft polymer containing silicone/acrylate composite rubber as the graft base, wherein the content of silicone rubber is 65-95 wt. % (based on the graft base), talc having a dvalue (also called 'top cut') of less than 20 &#x3bc;m and phosphorus-containing flame retardant, the use of the polycarbonate compositions for the production of shaped articles and the shaped articles themselves. The compositions and moulding compositions according to the disclosure have an optimum combination of good flameproofing, good resistance to chemicals and hydrolysis and good mechanical properties (i.e. in particular a high E modulus and high notched impact strength a).

Flame retardant impact-modified polycarbonate compositions

The invention relates to impact-modified polycarbonate compositions which are distinguished by high heat resistance and good melt flow behavior. In addition, the moldings produced from the compositions according to the invention in an injection-molding process can be metallised, the resulting metallised moldings having a surface with a particularly high and, in particular, homogeneous gloss. The invention thus also provides the metallised moldings produced from the compositions according to the invention.

Impact-modified polycarbonate compositions for the production of metallised mouldings with homogeneous surface gloss

Impact-modified polycarbonate compositions are disclosed that comprise a first graft polymer based on silicone-acrylate composite rubber as graft base, wherein the amount of silicone rubber is from 65 to 95 wt. % (based on the graft base), and a second graft polymer containing free copolymer, that is to say copolymer that is not chemically bonded to the rubber, and having a weight-average molecular weight of from 60,000 to 150,000 g/mol. The use of the polycarbonate compositions in the production of molded articles, and to the molded articles themselves are also disclosed. The compositions and molding compositions have an optimum combination of good elongation at tear, good hydrolytic stability and low melt viscosity.

Impact-modified polycarbonate compositions

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Kö'ln, Germany

Eckhard Wenz