Bayer Aktiengesellschaft

Agfa-gevaert Ag

Wolff Walsrode Ag

Heinrich Alberts

Dieter Wittmann

Thomas Eckel

Herbert Eichenauer

Herbert Bartl

Richard Prinz

Winfried Fischer

Hans-Heinrich Moretto

Fritz Mietzsch

Hans Friemann

Adolf Schmidt

Hans Sattlegger

Ulrich Steffen

Helmut Steinberger

Christian Leuschke

Klaus Schuster

Salah Elabd Elghani

Hans Rudolph

Edgar Leitz

Karl Fuhr

Ulrich Jansen

Bernd Keller

Martin Bohnenpoll

Heinrich Wolfers

Michael Bodiger

Wolfgang Podszun

Joachim Probst

Rudiger Schubart

Siegfried Korte

Wilhelm Thoma

Eckhard Wenz

Michael Zobel

Holger Warth

Bahman Sarabi

Michael B&ouml;diger

Hans-Heribert Burgdorfer

Karl H Pisaric

Hansjochen Schulz-Walz

Hans-Erich Gasche

Raoul Resz

Hans-Bernhard Hauertmann

Dieter Arlt

Manfred Jautelat

Hanns P Muller

Ludwig Bottenbruch

Rolf-Volker Meyer

Carlhans Suling

Wolfgang Ebert

Karl-Erwin Piejko

Horst Peters

Klaus Horn

Alfred Pischtschan

Klaus Szablikowski

Walter Schafer

Friedemann Muller

Gert Jabs

Manfred Dahm

Joachim Konig

Leo Morbitzer

Ottfried Schlak

Rudiger Musch

Wolfgang Koch

Gunter Sackmann

Michael Muller

Christian Wegner

John Mitchell Huggins

Heinz Baumgen

Gerhard Balle

Armand De Montigny

Alfred Eitel

Wilhelm Gobel

Robert Horst Bloodworth

Karl Zabrocki

Martin Matner

Gerhard Langstein

Aziz El Sayed

Bernhard Hess

Wolfgang Grape

Gerhard Hohmann

Fritz Puchner

Wilfried Kortmann

Dietrich Hardt

Volker Damrath

Kai Butje

Siegfried Kussi

Karl Raichle

Bernd Willenberg

Wolfhart Wieczorrek

Otto Billinger

Branislav Bohmer

Gerhard Wiederhoft

Werner Karstens

Stefan Moss

HansJochen Schulz-Walz

Hans Toepsch

Hermann Uytterhoeven

Peter Kruger

Leonhard Goerden

Michael König

Hans-Gunter Poersch-Panke

A composition containing a graft polymer based on acrylonitrile/ethylene propylene rubber/styrene (AES) and an additive is disclosed. The additive is one which increases the '&#x394;soft phase' of the composition making it possible to produce moldings with improved toughness at low temperatures, without substantially changing the melt volume rate.

Thermoplastic blends with improved low-temperature toughness

The present invention relates to polymer blends containing a component selected from the group poly(ester)carbonates, graft polymers or mixtures thereof, polyalkylene naphthalate as the second component optionally together with a further component selected from the group of vinyl (co)polymers, polyalkylene terephthalates or mixtures thereof, wherein mixtures of polycarbonate, polyalkylene naphthalate and optionally polyalkylene terephthalate contain no tetrafluoroethylene polymer.

Polymer blends containing modified polyesters

A Polymer compositions that features high degree of toughness, very good processability and extremely high gloss is disclosed. The composition contains

ABS moulding material with improved workability and a high lustre

Homo- and/or copolymers of one or more ethylenically unsaturated monomers, suitable for the preparation of molded articles that feature improved properties, especially improved fracture properties, heat stability and notched impact strength are disclosed. These homo- and/or copolymers are characterized in that they contain less than 400 particles per mof surface area with a diameter greater than 200 &#x3bc;m.

Thermoplastic molding compounds with improved surface properties and improved structural homogeneity

A molding composition having good surface gloss, high elongation at break and good thermoplastic processability is disclosed. The composition contains (A) a graft polymer that is obtained by free-radical polymerization of resin-forming vinyl monomers in the presence of rubber in latex form, (B) a copolymer of styrene and acrylonitrile and an optional (C) a resin selected from the group consisting of polycarbonates, polyester-carbonates, polyesters and polyamides. The preparation of the graft polymer is characterized in that (i) before the start of the grafting polymerization reaction the rubber latex is brought to a pH of 9 to 11, (ii) the redox initiator components are employed in amounts of 0.1 to 2.5 wt. % (based on the monomers metered in) and (iii) during the entire grafting polymerization reaction the pH remains constant&plusmn;0.5 and in the range of 11.0 to 8.8, and (iv) the temperature difference between the start and end of the reaction is at least 10&deg; C.

Thermoplastic molding materials based on special graft rubber components

Flame resistant ABS polycarbonate mouldable materials

A molding composition containing a graft polymer is disclosed. The graft is a product of a free-radical emulsion polymerization of resin-forming vinyl monomers in the presence of rubber present in latex form having a glass transition temperature of &lE;0&deg; C. using an initiator combination comprising a persulfate compound and a redox initiator system. The process for preparing the graft polymer entails adding the persulfate compound at the beginning of the graft polymerization reaction and a later addition of the redox initiator. The composition that features good gloss and flowability is suitable for the preparation of molded articles.

Thermoplastic molding materials based on particular graft rubber constituents

Flame-resistant polycarbonate moulding materials which are dimensionally stable at high temperatures and have high flow line strength

A thermoplastic molding composition that exhibits antistatic properties and improved color stability is disclosed. The composition contains a major amount of resinous component that contains A) 0 to 100 % by weight of one or more graft polymers B) 100 to 0 % by weight of a thermoplastic vinyl (co)polymer, and a minor amount of a mixture of a) a modified or unmodified polyalkylene ethers and b) a phenolic oxidant wherein the weight ratio (a):(b) is 20:1 to 1:1.

Thermoplastic molding compounds, provided with an antistatic agent which exhibit improved color stability during processing

A flame resistant thermoplastic molding composition is disclosed. The composition contains aromatic polycarbonate, graft polymer, a specifically structured phosphorous compound, fluorinated polyolefin and inorganic compound with an average particle size no greater that 200 nm and an optional vinyl(co)polymer. The inventive composition is characterized in its improved stress cracking resistance and mechanical properties.

Flame and stress crack resistant polycarbonate molding compositions

Flame-resistant thermostable polycarbonate ABS moulding materials

A flame resistant thermoplastic molding composition is disclosed. The composition contains a mixture of two aromatic polycarbonates having differing solution viscosities, a vinyl(co)polymer made from at least two ethylenically unsaturated monomers, a graft polymer obtainable by graft polymerization of at least two monomers selected from chloroprene, 1,3-butadiene, isoprene, styrene, acrylonitrile, ethylene, propylene, vinyl acetate and (meth)acrylates with 1 to 18 carbon atoms in the alcohol component, a phosphorous compound, a fluorinated polyolefin and an inorganic compound with an average particle size no greater than 200 nm. The inventive composition is additionally characterized in its improved stress cracking resistance.

Flame-resistant polycarbonate ABS molding materials

A flame-resistant, reinforced thermoplastic molding composition characterized by its improved properties is disclosed. The composition contains A) a mixture of two aromatic polycarbonate resins that differ one from the other in terms of their relative solution viscosities, B) an optional vinyl (co)polymer containing at least one ethylenically unsaturated monomer, C) a graft polymer, D) a phosphorus compound, E) fluorinated polyolefin, and F) inorganic reinforcing material.

Flame-resistant reinforced polycarbonate ABS moulding materials

X-ray detectable molded articles prepared from polycarbonate resins are disclosed. The articles, preferably toys or medical equipment, are molded of polycarbonate the structure of which contains units derived from iodophenyl.

Use of polycarbonates containing iodine phenyl carbonate for producing special shaped parts

The present invention relates to thermoplastic graft polymer moulding compositions for high-gloss applications, which exhibit a reduced tendency of the additives to exude out of the thermoplastic composition during processing, and which exhibit reduced deposit build-up in the mould.

Graft polymer moulding compositions with reduced deposit formation

Growing community of inventors

Odenthal, Germany

Heinrich Alberts