Bayer Aktiengesellschaft

Covestro Deutschland Ag

Other

Bayer Corporation

Miles Inc.

Bayer Intellectual Property Gmbh

Covestro Intellectual Property Gmbh & Co. Kg

Klaus Horn

Burkhard Kohler

Wolfgang Ebert

Alexander Meyer

Richard Weider

Thomas Scholl

Klaus Kircher

Rolf Dhein

Ulrich Liesenfelder

Rolf Wehrmann

Ralf Dujardin

Jurgen Kirsch

Ralf Hufen

Silke Kratschmer

Steffen K&uuml;hling

Michael Erkelenz

Timo Kuhlmann

Wolfgang Beer

Dieter Wittmann

Ulrich R Grigo

Thomas König

Helmut-Martin Meier

Ernst Grigat

Reiner Rudolf

Hans-Josef Buysch

Dieter Freitag

Thomas Eckel

Heinrich Alberts

Heinz Pudleiner

Karsten-Josef Idel

Jan Mazanek

Wolfgang Alewelt

Hans-Detlef Heinz

Eckhard Wenz

Gerhard Fennhoff

Rainer Neumann

Michael Prein

Hermann Kauth

John Mitchell Huggins

Gerd Fengler

Frieder Heydenreich

Charles E Lundy

Klaus D Berg

Alexander Karbach

Ulrich Grosser

Thomas Pfingst

Burkhard K Ohler

Annett K&ouml;nig

Johann Piontek

Tony Van Osselaer

Rolf Lanze

Michael B&ouml;diger

Thomas Grimm

Werner Tischer

Gunther Stollwerck

Winfried G Paul

Klaus Sommer

Joerg Reichenauer

Burkhard K&ouml;hler

James Y J Chung

Tim Hungerland

Franky Bruynseels

Karl-Heinz Kasler

Peter-Rolf Muller

Hugo Obermann

Birgit Meyer Zu Berstenhorst

Tanja Cassel

Gianmaria Malvestiti

Horst Beicher

Christopher Schirwitz

Olaf Zöllner

Sebastian Wetzel

Arno Becker

Andrea Scagnelli

Edwin Woldenberg

J Urgen Kirsch

Massimo Tironi

Sven Gestermann

Jens Hepperle

Hans Franssen

Jörg Reichenauer

Burkhart Kohler

Charles-Earl Lundy

Helmut Pilzecker

Alexa Sommer

Walter Sch Afer

Melanie Moethrath

Dirk-Jacques Dijkstra

Markus Krieter

Helmut M&uuml;nstedt

Peter Gebauer

Matthias Rothe

The subject of the present invention is a process for the production of polysiloxane-polycarbonate block cocondensates, wherein A) at least one polycarbonate is reacted in the melt with B) at least one hydroxyaryl-terminated polysiloxane with use C) of an additive which is selected from at least one from the group consisting of a siloxane containing aromatic substituents (component C1) and a polysiloxane-polycarbonate block cocondensate A) or polysiloxane-polycarbonate block cocondensate, which can also be different from A) (component C2).

Production of siloxane-containing block copolycarbonates by means of compatibilizers

The present invention relates to a composite material comprising one or more fibre layers of a fibre material, and a silicon-containing copolycarbonate as matrix material. The fibre layer(s) is/are embedded in the matrix material. The present invention further relates to a process for producing these composite materials and to the use thereof for production of construction or housing parts, and to the construction or housing parts themselves.

Multi-layer composite material containing special copolycarbonates as a matrix material

The present invention relates to flame-retardant moulding compositions comprising glass fibre and siloxane-containing polycarbonate block cocondensate, and also to a process for the production of these moulding compositions. The invention further relates to the use of these flame-retardant moulding compositions in injection-moulding and extrusion applications.

Flame-retardant, glass fiber-containing molding compounds containing siloxane-containing polycarbonate block co-condensate

The present invention relates to flame-retardant moulding compositions comprising siloxane-containing polycarbonate block cocondensate, and also to a process for the production of these moulding compositions. The invention further relates to the use of these flame-retardant moulding compositions in injection-moulding and extrusion applications.

Flame-retardant molding compounds containing siloxane-containing polycarbonate block co-condensate

The present invention relates to block cocondensates of polysiloxanes and dihydroxydiarylcycloalkane-based (co)polycarbonates and also to a process for preparing such block cocondensates. The invention further relates to the use of these block cocondensates for producing mouldings and extrudates.

Block co-condensates of polysiloxanes and dihydroxydiphenylcycloalkane-based n (CO)polycarbonates

The present invention relates to polysiloxane-polycarbonate block cocondensates derived from a continuous melt transesterification process comprising polysiloxane blocks of the formula (1) and polycarbonate blocks having recurring units of the formula (2) having improved rheological properties and good mechanical properties as well as to mouldings and extrudates made from these polysiloxane-polycarbonate block cocondensates and wherein the polysiloxane-polycarbonate block cocondensate has a siloxane domain distribution (diameter of siloxane domains) from 200 nm to 1 &#x3bc;m measured by atomic force microscopy and light microscopy which is in the range of 0.01%-2.5%, based on the total number of siloxane domains.

Polysiloxane-polycarbonate block cocondensates with improved rheological properties

The present invention relates to polysiloxane-polycarbonate block cocondensates comprising particular rearrangement structures and having improved rheological properties and melt stability as well as to mouldings and extrudates made from these polysiloxane-polycarbonate block cocondensates.

Polysiloxane-polycarbonate block cocondensates

The present invention relates to a process for preparing polysiloxane-polycarbonate block cocondensates proceeding from specific polycarbonates and hydroxyaryl-terminated polysiloxanes.

Process for preparing polysiloxane-polycarbonate block cocondensates

The present invention relates to a process for preparing polysiloxane-polycarbonate block cocondensates proceeding from specific polycarbonates and hydroxyaryl-terminated polysiloxanes. More particularly, the present invention relates to the preparation of the said block cocondensates by means of a reactive extrusion.

Preparation of siloxane-containing block copolycarbonates by means of reactive extrusion

The present invention relates to a process for preparing polysiloxane-polycarbonate block cocondensates proceeding from specific polycarbonates and hydroxyaryl-terminated polysiloxanes in presence of a salt of a weak acid.

Process for preparing polysiloxane-polycarbonate block cocondensates using a salt of a weak acid

An embodiment of the present invention relates to a composition comprising a) at least one transparent thermoplastic material; b) at least one inorganic IR absorber comprising at least one boride compound present in an amount of from 0.0015 wt. % to 0.015 wt. %, calculated as solids content of boride in the total polymer composition; and c) at least one inorganic, nano-scale pigment present in an amount of from 0.0008 wt. % to 0.0035 wt. %, based on the total composition; and d) optionally further additives.

Polymer composition having heat-absorbing properties and improved colour properties

A thermoplastic molding composition comprising poly(ester)carbonate is disclosed. The composition that is characterized by its flame resistance contains a PTFE blend in an amount of 0.2 to 0.6% and an organic salt of an alkali metal or alkaline earth metal in an amount of 0.01 to 0.1%. The PTFE blend contains a blending partner and PTFE wherein amount of PTFE is 30 to 70% relative to the weight of the PTFE blend.

Flame-retarded poly(ester)carbonates

Polycarbonate blends

Thermoplastic polycarbonate compositions having high toughness

A thermoplastic molding composition that contains a polycarbonate resin having specific extensional Theological properties is disclosed. The composition is particularly suitable for preparing containers.

Polycarbonate with high extensional viscosity

Growing community of inventors

Dormagen, Germany

Klaus Horn