Bayer Aktiengesellschaft

Bayer Materialscience Ag

Michael Zobel

Dieter Wittmann

Thomas Eckel

Torsten Derr

Bernd Keller

Andreas Seidel

Heinrich Alberts

Herbert Eichenauer

Manfred Dietrich

Alfred Eitel

Jörn Stölting

J&ouml;rn St&ouml;lting

Nikolaus Janke

Käthe Baumann

Hans-Bernhard Hauertmann

Dorothy Rose

Manfred &Ouml;ller

A thermoplastic molding compositions comprising thermoplastic polycarbonate and an additive amount of an aluminum compound is disclosed. The aluminum compound is characterized by its particle size and the composition is characterized by its improved anti-static properties.

Polycarbonate moulding materials with anti-static properties

An oligophosphate of general formulais disclosed. The oligophosphate is suitable as a flame retardant for thermoplastic molding compositions that exhibit a good flame-retardant effect, improved dimensional stability under the effect of heat, a good level of toughness and excellent flowability.

Flame retardants which contain phosphorus, and flame-retardant thermoplastic molding compositions

A flame resistant anti-electrostatic polycarbonate composition that is chlorine- and bromine-free is disclosed. Good melt flowability and low tendency to juicing, coupled with its good mechanical and thermal properties make the composition especially suitable for injection molding. The composition finds use in the production of a variety of molded articles.

Non-inflammable, anti-electrostatic polycarbonate molding materials

The present invention provides thermoplastic polycarbonate blends which contain phosphonate amines and special graft polymers, which are prepared using redox initiator systems, and which are characterised by improved mechanical properties such as notched impact resistance, weld line strength and stress crack resistance.

Flame-resistant polycarbonate blends

A translucent thermoplastic molding composition containing polycarbonate, phosphorous compound and a fluorinated polyolefin is disclosed. Characterized in its excellent flame proofing, optical properties and resistance to chemicals the composition is suitable for making articles that in the course of use come in contact with solvents lubricants and cleaning compositions.

Non-inflammable, translucent polycarbonate molding materials

The present invention relates to polycarbonate blends containing phosphonate amine and inorganic nanoparticles, which have improved flame proofing and improved mechanical properties such as low-temperature impact strength, elongation at break, weld line strength and stress cracking resistance as well as an improved yellowness index.

The invention relates to homopolymers and/or copolymers containing <100 ppm coarse particles with a particle diameter of between 200 and 500 &mgr;m, to thermoplastic moulding materials containing said homopolymtrs and/or copolymers, to the use of the homopolymers and/or copolymers and moulding materials for the production of moulded parts and to the moulded parts themselves.

Thermoplastic resins with a low proportion of coarse particles

A thermoplastic molding composition that contains a resinous blend with phosphonate amine is disclosed. The resinous blend contains polycarbonate and a graft polymer having a graft substrate rubber selected from among silicone, EP(D)M and acrylate rubbers. The composition exhibits exceptional flame resistance and good mechanical properties such as stress cracking resistance and ease of flow while exhibiting high heat resistance.

Flame-resistant polycarbonate compositions having increased chemical resistance

Flame resistant graft polymer-modified polycarbonate molding compositions are described. The polycarbonate molding compositions comprise phosphorous compounds, and a coagulated mixture of flourinated polyolefins or precompound fluorinated polyolefins. Polycarbonate molding compositions according the present invention are flame retardant, and have desirable mechanical properties, e.g., notched impact strength and elongation at break.

Flame-resistant polycarbonate moulding materials modified with graft polymers

The present invention relates to polycarbonate moulding compositions provided with phosphonate amines and phosphorus compounds, which moulding compositions exhibit excellent flame protection and very good mechanical properties, such as joint line strength or modulus of elasticity, and a good crude shade.

Flame-resistant polycarbonate ABS moulding materials

A flame retardant molding composition is disclosed. The composition that contains polycarbonate and/or polyester carbonate and a phosphonate amines is characterized by its good level of mechanical properties, especially a high heat resistance, and exhibits low-juicing. An embodiment wherein the composition further contains a graft polymer is also disclosed.

Flame-resistant polycarbonate molding materials

The present invention relates to thermoplastic polycarbonate molding compositions which contain phosphazenes and special graft polymers produced by means of redox initiator systems and are distinguished by substantially improved mechanical properties.

The present invention relates to polycarbonate/ABS moulding compositions with incorporated phosphazenes which exhibit excellent flame resistance and very good processing characteristics, wherein the graft polymer is produced by bulk, solution or bulk/suspension polymerization processes.

Flame resistant polycarbonate/ABS plastic molding materials

A thermoplastic molding composition comprising polycarbonate, an impact modifier, a phosphorus-containing flameproofing agent, and high purity talc is disclosed. The composition offers flame resistance for molded parts having small wall thickness, improved rigidity and resistance to stress cracking. The talc has MgO content of 30.5 to 32 wt. %, SiO content of 60 to 62.5 wt. % and Al O content lower than 0.7 wt. % and d value less than or equal to 2.5 &mgr;m.

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Kö'ln, Germany

Michael Zobel