Bayer Aktiengesellschaft

Bayer Akteingesellschaft

Dietrich Michael

Rolf Dhein

Rolf-Volker Meyer

Werner Nielinger

Friedrich Fahnler

Dieter Neuray

Peter Tacke

Heinz-Josef Fullmann

John R Sanderson

Rudolf Merten

Rudolf Binsack

Karl H Hermann

Harald Selbeck

Klaus-Dieter Schultz

Heinz Bonten

Ulrich Haberland

Heinrich Bonten

Dieter Dieterich

Hans Rudolph

Helmut Reiff

Kirkor Sirinyan

Walter Schafer

Ludwig Rottmaier

Josef Merten

Peter Markusch

Heinrich Haupt

Helmut Schulte

Kurt Weirauch

Hans-Joachim Laue

Gerhard Heinze

Karl-Heinz Hermann

Klaus Friederich

Milan-Josef Tima

Manfred Schon

Milan J Tima

Thermoplastic, easily flowing hydrophobic polyamides obtained by incorporation of from 2 to 15% by weight, based on polyamide, of at least one monoepoxide compound corresponding to the following general formula ##STR1## in which R is a hydrocarbon radical containing at least 4 carbon atoms.

Hydrophobicized, easily-flowing thermoplastic polyamide containing

The invention relates to a process for antistatic treatment or pretreatment for subsequent surface-coating of materials based on polyamides, polyimides or polyamideimides, where the molded articles of the material are treated with a solution of salt mixtures comprising

Process for antistatic treatment or pretreatment of polyamides,

Polyamide moulding materials which have been reinforced with unsized glass fibres and to which a flame-proof finish has been imparted by means of melamine or melamine cyanurate and which have a high glow wire resistance.

Flame-proof, glass fibre-reinforced polyamide moulding materials

Biuret-group-containing polyisocyanates based on non-aromatic diisocyanates, possibly mixed with liquid N-alkyl-lactams, as activators for activated anionic polymerization of lactams.

Activated anionic polymerization of lactams

Thermoplastically processable polyamide moulding compositions which are equipped with inorganic reinforcing materials and contain 3 to 40% by weight, relative to the amount of polyamide, of bisphenols of the formula (I) ##STR1## where R stands for CH.sub.3, CH.sub.3 O, C.sub.2 H.sub.5 group,

Reinforced polyamides having improved flow behavior

Improved activators for anionic polymerization of lactams are biuret-containing polyisocyanates based on non-aromatic diisocyanates.

Pulverulent red phosphorus stabilized with zinc fluoride and the use thereof as flame-retarding agent to thermoplastic moulding compositions.

Stabilized red phosphorus and the use thereof for flameproof,

Thermoplastic polyamides containing phenolic compounds in quantities of from 0.5 to 15%, by weight, based on polyamide are less sensitive to water.

Polyamides containing phenolic compounds

Thermoplastical processible polyamides are rendered hydrophobic by addition of particular aromatic amines, optionally in combination with selected phenolic compounds.

Hydrophobic polyamides

Polyamide block copolymers obtained by activated anionic polymerization of lactams having at least 5 ring members in the presence of basic catalysts, polyisocyanates as activators and amino-terminated polyethers, which are characterized in that the amino-terminated polyethers have a functionality of at least 3.0 preferably at least 3.2, and a molecular weight of at least 3500, and the polyisocyanates are aliphatic or cycloaliphatic polyisocyanates.

Branched thermoplastically processible impact-resistant polyamides

Red phosphorus stabilized with cadmium salts of carboxylic acids is suitable for use as a flameproofing agent for polyamide moulding compositions.

Stabilized red phosphorus and its use for flameproofing thermoplastic

This invention relates to flame-proved polyamide moulding compositions containing a combination of from 10 to 18%, by weight melamine and from 1 to 7% by weight of a thermoplastic polyacetal, in each case based on the moulding composition.

Fire-resistant polyamide moulding compositions

A method of producing polyamide foils by extrusion wherein a dispersion of a solid inorganic nucleating agent is added to the polyamide.

Method of producing polyamide foils

Self-extinguishing flame resistant polyamide moulding compositions containing from 0.1 to 20% by weight of at least one glycoluril and/or reaction product of glycoluril as a flame-proofing agent.

Flame-proof polyamide moulding compositions

Reinforced polyamide moulding blends with improved impact strength containing as modifying agent a graft product consisting of a polyolefine as graft-substrate and grafted units of unsaturated carboxylic acids and/or derivatives therefrom and which graft product is prepared by a special oxidation process.

Growing community of inventors

Krefeld, Germany

Dietrich Michael