Bayer Aktiengesellschaft

Joachim Genz

Volker Eckhardt

Hans-Rudolf Dicke

Ludwig Bottenbruch

Karsten-Josef Idel

Karsten J Idel

Frank Gerald Kleiner

Ralf Pakull

Ernst-Ulrich Dorf

Hans-Rudolph Dicke

Thomas Himmler

Wolfgang Ebert

Ulrich R Grigo

Peter Bier

Werner Nouvertne

Rudolf Braden

Erhard Tresper

Wilfried Haese

Carl Casser

Peter Fischer

Wolfgang Russeler

Martin D&ouml;bler

Hans-Rytger Kricheldorf

Ralf Kaufmann

Volker Doring

Sabine Kern

Christoph Schwemler

A thermoplastic molding composition comprising polycarbonate resin having improved mold release properties is disclosed the composition contain polycarbonate resin and 0.005 to 5.0% relative to the weight of the composition of at least one hydrocarbon in the form of C15 -methyl-branched alkane. The hydrocarbon is characterized in that the weight proportion of its branches is 5 to 30 percent relative to the weight of carbons in the alkane chain.

Polycarbonate molding compounds with good demolding properties and molded bodied and semifinished products produced from the same

Coating compositions with a base consisting of silanes containing epoxide groups

Process for the preparation of polyaromatic compounds in which an aromatic dichloro compound, optionally in the presence of an anhydrous aprotic solvent, is reacted with metallic zinc, manganese or magnesium in the presence of a catalyst system of

Soluble polyaromatic compounds

The present invention relates to a process for the production of high molecular weight crystalline aromatic polyether ketones from an aromatic dihydroxy compound and an aromatic dihalogeno compound which contains a keto group, characterized in that N-C1-C5 alkyl caprolactam solvents and a mixture of alkali metal compounds consisting of at least one alkali metal carbonate and at least one compound selected from alkali metal hydroxides, bicarbonates, fluorides, hydrides, alkoxides (e.g. methylates or ethylates) and alkylates (e.g. ethyls or butyls) are used.

Process for the production of aromatic polyether ketones

The invention relates to aromatic polyether sulfones having new structural features, to a process for their production and to their use.

Aromatic polyether sulfones, a process for their production and their use

The invention relates to a process for the production of crystalline, aromatic polyether ketones in lactams as solvent. The polymers produced have a high molecular weight, high thermal stability, high resistance to the effect of chemicals and good mechanical properties.

Thermotropic polyesters containing recurring structural units corresponding to the following formulae ##STR1## can be processed at low temperatures and may be used for the production of moldings, filaments, fibers and films.

Thermotropic, fully aromatic polyesters having a low processing

The invention relates to a process for the production of high molecular weight, crystalline, aromatic polyether ketones showing high temperature stability, high resistance to the effect of chemicals and good mechanical properties.

Thermotropic polyester imides having recurrent units corresponding to the following formulae: ##STR1## have excellent dimensional stability under heat and are suitable for the production of moulded articles, filaments, fibres and films.

Solid phase post polymerization condensation of thermotropic polyester

Thermotropic polyester imides having recurrent structural units corresponding to the following formulae: ##STR1##

Thermotropic polyester imide from N-(3-hydroxy phenyl) trimellitic acid

Moldings of mixtures of an aromatic polycarbonate and a thermotropic polymer show a reduced tendency towards delamination when they contain a fluorinated polyolefin and an elastomeric graft polymer.

Molding compositions of polycarbonate, thermotropic polymer, graft

The thermotropic aromatic polyesters according to the invention which contain recurring units corresponding to the following formulae ##STR1## show improved resistance to chemicals, low melting points and, hence, good processibility in addition to the well-known favorable mechanical properties of liquid-crystal materials. The thermotropic aromatic polyesters are used for the production of moldings, filaments, fibers and films.

Thermotropic aromatic polyesters, a process for their production and

This invention relates to a process for the preparation of polyarylene sulphides by melt condensation, in which the sulphide bridges of the polymer are formed by the splitting off of a compound which is volatile under the reaction conditions.

Growing community of inventors

Krefeld, Germany

Joachim Genz