Ineos Styrolution Group Gmbh

Basf Aktiengesellschaft

Ineos Styrolution Europe Gmbh

Ensinger Gmbh

Norbert Niessner

Konrad Knoll

Gisbert Michels

Wolfgang Fischer

Tobias Schulz

Hans-Werner Schmidt

Eike Jahnke

Friedrich Seitz

Norbert G&uuml;ntherberg

Norbert Guentherberg

Tristan Kolb

Brian J Banaszak

Roland Walker

Michiel Verswyvel

Hermann Gausepohl

Thomas W Cochran

Karl Ruppmich

Michael Breulmann

Daniel Wagner

Paul Naegele

Wil Duijzings

Sabine Oepen

SangJun Ahn

Graham Edmund Mc Kee

Frank Eisentraeger

Bianca Wilhelmus

Michel Pepers

Janna Michaelis De Vasconcellos

Kirit Gevaria

Shridhar Madhav

Rudy Verstraeten

Peter Ittemann

Bernhard Czauderna

Klaus-Dieter Hungenberg

Peter Barghoorn

Philipp Boeckmann

Florian Patcas

Doris Zeltner

Johannes Barth

KwanHee Lee

Achim Bernhardt

YoungHwa Hwang

Jochem Henkelmann

Boris Breitscheidel

Graham E McKee

Klaus Muehlbach

Achim Stammer

Andreas Henne

Bernd Hisgen

Gerhard Lindenschmidt

Sabine Weiguny

Rolf Minkwitz

Josef W&uuml;nsch

Rainer Moors

Rainer Neumann

Achim Schmidt-Rodenkirchen

Marko Blinzler

Thomas R&uuml;hl

Manfred Doering

Christian Ruthard

Konstantin Mierdel

Michael Schuster

Michael Hamilton

Rolf Lebk&uuml;cher

Oliver Carstensen

Frank Schoenberger

Julien Fage

Ula El-Jaby

Mukesh Modi

Martin Weber

Andreas Deckers

Christian Schade

Hubert Trauth

Michael Fischer

Heiko Maas

Norbert Guntherberg

Ulrich Jansen

Wolfgang Loth

Michael Ishaque

Herbert Fisch

Sven Grabowski

Dietmar Bender

Robert Weiss

Norbert Güntherberg

Maarten Staal

Joachim Seibring

Stefan Seelert

J&uuml;rgen Koch

Achim Datko

Falko Ramsteiner

Jordan Thomas Kopping

Heiner G&ouml;rrissen

Geert Verlinden

Peter Rossmanith

Norbert Mosbach

Christof Mehler

Ralf Engelhardt

Andrea Colombo

Hartmut Heinen

Matthias Mueller

The invention relates to polymer compositions that contain a thermoplastic molding compound A, at least one reinforcing fiber B and at least one inorganic filler material C, the polymer composition having excellent aesthetic quality after thermoplastic processing. The invention also relates to a process for preparing the claimed composition and to uses thereof.

Polymer compositions that contain a semi-crystalline polymer, and process of preparation

Polyacrylate graft rubber copolymer B and an impact modified thermoplastic molding composition thereof, where the graft copolymer B is composed of: B1: 50 to 70 wt.-% crosslinked acrylate polymer graft base B1 B2: 30 to 50 wt.-% graft shell B2 comprising a first layer B21 of vinylaromatic monomers, and a second layer B22 of vinylaromatic monomers B21-1 and nitrile monomers B22-2: wherein the particle diameter dw of the graft base BI is 255 to 290 nm; the fraction of B21 is 10 to 26 wt.-%; and the amount of B22-2, is 20 to 30 wt.-%.

Polyacrylate graft rubber copolymer and impact modified thermoplastic molding composition

The invention relates to a method for producing styrene monomers by the depolymerisation of polystyrene in the presence of foreign polymers, such as polyolefins. Said method comprises the following steps: a) introducing a polymer composition (A) containing: I) 10 to 99.5% by weight, based on the polymer composition (A), of polystyrene (I); and II) 0.1 to 89.9% by weight of polyolefin (II); and/or III) 0.1 to 4.9% by weight of acrylonitrile-based polymer (III); and/or IV) 0.1 to 4.9% by weight of polyester (IV), into the reaction zone (R) of a pyrolysis reactor (P); b) thermal cracking the polystyrene contained in the polymer composition (A) in the reaction zone (R) of the pyrolysis reactor (P) at a temperature of between 400-1000° C., c) removing the product mixture (G) obtained from the reaction zone (R), d) cooling of the product mixture (G), and e) separating the styrene monomers from the further components.

Method for the depolymerisation of polystyrene in the presence of foreign polymers

The invention relates to a process for the preparation of styrene monomers by depolymerising polystyrene, to a device for carrying out the process and to the use of a fluidised bed reactor for the depolymerisation of polystyrene. Said process comprising the following steps: a) feeding a polymer composition (A) containing 60 to 99.9 wt. polystyrene, based on the total weight of the polymer composition (A), into the reaction zone (R) of a pyrolysis reactor (P); b) thermally cracking the polystyrene contained in the polymer composition (A) in the reaction zone (R) of the pyrolysis reactor (P) at a temperature of between 400° C. to 1000° C. to obtain a product mixture (G) containing styrene monomers and other components; c) removing the product mixture (G) obtained in step b) from the reaction zone (R) of the pyrolysis reactor (P); d) cooling the product mixture (G) removed in step c) to obtain a condensed product mixture (K) containing styrene monomers and further components; and e) separating the styrene monomers from the further components of the condensed product mixture (K) obtained in step d), wherein the average residence time (Z) of the polymer composition (A) in the reaction zone (R) of the pyrolysis reactor (P) is from 0.01 sec to 10 sec.

Process for the depolymerization of polystyrene

A heat-sealable multilayer film comprising: a) 1% to 50% by weight of heat-sealable polymer layer (A), b) 1% to 99% by weight of polymer layer (C), and c) 0% to 95% by weight of polymer layer (B), with polymer layer (A) comprising: A1) 20% to 90% by weight of impact-resistant polystyrene and A2) 5% to 50% by weight of vinylaromatic-diene block copolymer; and polymer layer (B) comprising impact-resistant polystyrene, vinylaromatic-diene block copolymer, and/or mixtures of styrene homopolymers or vinylaromatic-diene graft copolymers with vinylaromatic-diene block copolymers; and polymer layer (C) having a melting temperature of ≥170° C.; and polymer layer (A) comprising) i) 66% to 99% by volume of a vinylaromatic hard phase and ii) 1% to 34% by volume of a diene soft phase surrounded by the hard phase and taking the form of spheres/cylinders.

Sealable multilayer film of styrene polymers with improved organoleptic properties

The invention relates to an improved process for providing purified styrenic monomers, such as styrene, from styrene-containing polymer waste. Styrene-containing waste is depolymerized in a suitable reactor, and the depolymerization products are condensed and separated in a three-step distillation process.

Process for de-polymerization of styrenic monomer-containing polymers and for retrieval of styrenic monomers

Thermoplastic elastomer compositions can be use for medical applications, Comprising: a) 97.1 to 90.9 wt.-% star-shaped block copolymer A with identical arms of the structure [S-(S/B)-(S/B)-(S/B)-S2]-X, where Sand Sare vinylaromatic hard polymer and S/B are soft random vinylaromatic/diene copolymer blocks; X is a coupling center; and b) 2.9 to 9.1 wt.-% plasticizer B.

Non-sticky, soft and transparent styrenic thermoplastic elastomers

Polymer compositions comprising stiff and tough star shaped styrene butadiene block-copolymers A1 and A2 can be used for making shrink films. Block copolymer A2 preferably has the structure with hard blocks Sand S, hard random copolymer blocks (B/S), soft random copolymer blocks (B/S)coupled by a coupling agent X.

Intrinsically non-blocking shrink sleeve material

Thermoplastic polymer compositions (P) comprising at least one styrene-based polymer composition (A) comprising at least one graft copolymer (A-1), at least one organopolysiloxane compound, and optionally at least one colorant, dye or pigment, and/or at least one further additive, shows improved properties with respect to residual gloss after abrasion combined with improved melt flow characteristics while heat resistance is not affected.

Impact modified styrene copolymer composition comprising polysiloxane additive having improved abrasion characteristics

The invention relates to a polymer composition (P), comprising at least one acrylonitrile-butadiene-styrene copolymer (A) (ABS copolymer (A)), characterized in that the polymer composition (P) has a surface energy of &#x3e;38 dyne/cm. The invention further relates to a process for painting a surface of a polymer moulded article comprising the polymer composition (P), wherein no pre-treatment of the surface of the polymer moulded article, such as primer coating, is required prior to the application of the paint.

Acrylonitrile-butadiene-styrene copolymer composition with high surface energy

High heat resistant ABS molding compositions for use in the automotive sector, electronics, and household or healthcare sector comprising: (A) 15 to 35 wt.-% ABS graft copolymer (A); (B) 15 to 35 wt.-% a-methylstyrene/acrylonitrile copolymer (B) (weight ratio 95:5 to 50:50); (C) 20 to 40 wt.-% styrene/acrylonitrile copolymer (C) (weight ratio 95:5 to 50:50; M150,000 to 300,000); (D) 10 to 30 wt.-% random terpolymer (D) made from 13 to 27 wt.-% &#x3b1;, &#x3b2; ethylenically unsaturated cyclic anhydride, 60 to 74 wt.-% aromatic vinyl monomer, and 13 to 27 wt.-% maleimide monomer); (E) 0.1 to 5 wt.-%, of at least one elastomeric block copolymer (E) comprising a vinylaromatic monomer block S and an elastomeric random diene/vinylaromatic onomer block B/S; hard phase proportion is 1 to 40 vol.-% and the diene proportion is less than 50 wt.-%; and (F) 0 to 5 wt.-% of further additives and/or processing aids (F).

High heat resistant ABS molding composition

A scratch-resistant thermoplastic polymer composition (P) comprising 88 to 99.9 wt.-% of at least one styrene-based copolymer, 0.1 to 5 wt.-% of at least one modified organopolysiloxane compound, and optionally at least one colorant, dye or pigment, and/or at least one further additive, provides with improved properties.

Scratch-resistant styrene copolymer composition containing modified organopolysiloxane compounds

The present invention relates to a fibre composite material W of increased translucency and/or mechanical strength, comprising a copolymer C encompassing monomers A-1, where A-1 form covalent bonds with functional groups B-1 on the surface of fibres B embedded in the fibre composite material W, and this fibre composite material W has greater translucency and/or mechanical strength than a fibre composite material Win which the copolymer C contains no A-1. The present invention further embraces a method for producing a fibre composite material W of increased translucency and/or mechanical strength.

Translucent fibre composite materials comprising chemically modified polymers

ABS molding composition comprising: (a) 50 to 80 wt.-% SAN copolymer (a) (S/AN ratio 78:22 to 65:35, M80,000 to 250,000); (b) 8 to 25 wt.-% graft copolymer (b) consisting of 15 to 60 wt.-% graft sheath (b2) and 40 to 85 wt.-% graft substrate&#x2014;an agglomerated butadiene rubber latex&#x2014;(b1), obtained by emulsion polymerization of SAN in presence of agglomerated butadiene rubber latex (b1) (D150 to 800 nm); and (c) 8 to 30 wt.-% SBC block copolymer (vinylarene 58 to 68 wt.-%) comprising diene/vinylarene tapered polymer blocks; exhibiting ultra-high flow melt with good mechanical properties, a process for their preparation and their use for the production of bulky and/or thin walled articles.

Ultra-high flow acrylonitrile butadiene styrene copolymer compositions

Thermoplastic molding composition comprising (A) 40 to 80 wt.-% SAN copolymer (S/AN-ratio 78:22 to 65:35, Mw 80,000 to 250,000 g/mol); (B) 20 to 60 wt.-% SBC block copolymer (monovinylarene 61 to 64 wt.-%) comprising conjugated diene/monovinylarene tapered polymer blocks; and (C) 0 to 5 wt.-% additives and/or processing aids (C); exhibiting ultra-high melt flow with good mechanical, thermal and optical properties, a process for its preparation and its use for the production of bulky and/or thin walled articles.

Ultra-high flow styrene acrylonitrile copolymer compositions

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Friedelsheim, Germany

Norbert Niessner