Bayer Aktiengesellschaft

Werner Nielinger

Rudolf Binsack

Dietrich Michael

Bert Brassat

Ludwig Bottenbruch

Karsten-Josef Idel

Heinz-Josef Fullmann

Edgar Ostlinning

Helmut Schulte

Dieter Freitag

Rolf Dhein

Hugo Vernaleken

Dieter Neuray

Karl H Hermann

Hermann Brinkmeyer

Rolf-Volker Meyer

Wolfgang Alewelt

Friedrich Fahnler

Hermann Kauth

Harald Selbeck

Heinz Bonten

Hans-Josef Buysch

Christian Lindner

Dieter Wittmann

Ulrich R Grigo

Hans Rudolph

Claus H Wulff

Uwe Hucks

Uwe Westeppe

Erhard Tresper

Hans-Detlef Heinz

Jurgen Kirsch

Peter Tacke

Bernhard Schulte

Aziz El Sayed

Raymond Audenaert

Wolfgang Stix

Heinrich Haupt

Klaus Sommer

Georg Heger

Dieter Brokmeier

Heinrich Morhenn

August Bockmann

Andreas Gittinger

Gunter Lehr

Kurt Schneider

Ulrich Haberland

Karl-Heinz Hermann

Alban Hennen

Heinz-Josef Fullman

The invention relates to thermally stable and UV-stable polyamide molding compounds containing colloidal copper formed in situ and to a process for their production.

Thermally stable copper-containing polyamide molding compounds

This invention relates to a novel ternary polyamide for the production of monofilaments, films and injection moulded articles.

Ternary copolyamide

The invention relates to transparent multi-layer films made from polyamides and polyolefines using copolyamides of .epsilon.-caprolactam together with diamines and dicarboxylic acids.

Multi-layer films made from copolyamides

The invention relates to a process for the production of high molecular weight polyamide 6 (polycaprolactam).

Process for the production of high molecular weight polyamide 6

The present invention relates to a process for producing polymer blends from polycarbonate and mass-polymerized ABS by the condensation of oligocarbonate in the presence of mass-polymerized ABS.

Production of blend systems by the condensation of oligocarbonates in

The invention relates to a process for the production of caprolactam by thermal depolymerization of polyamide in the presence of small quantities of potassium carbonate at 250.degree. to 320.degree. C. and to a process for purifying the resulting caprolactam.

Production of caprolactam by thermal depolymerization of polyamide 6

The invention relates to a process for the preparation of polyamide moulding compositions containing 0.1 to 40 wt. % of a polyarylene sulphide by reaction of polyamide-forming components in the presence of polyarylene sulphides.

Polyamide moulding compositions containing finely divided polyarylene

This invention relates to a process for the production of shrinkable sheet products from copolyamides with good processing properties. The copolyamides consist of .epsilon.-caprolactam and equimolar quantities of dimeric fatty acids and diamines.

Process for the production of polyamide sheet products

Improved polyamide molding compositions are characterized in that

Glass-fiber-reinforced stabilized polyamide molding compositions

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

The invention relates to flame-proof polyamide materials which can be processed by a thermoplastic method and consist of blends of amorphous, partly aromatic polyamides and 3-40% by weight of polyphosphonates.

Flame-proof polyamides

Process for the preparation of copolyamides from adipic acid, terephthalic acid and hexamethylene diamine containing 25-48% by weight of units of hexamethylene terephthalamide, by precondensing the monomers at a temperature of at least 250.degree. C. and a pressure of at least 35 bar and completing the polycondensation in the usual manner.

Process for the preparation of copolyamide from adipic acid,

Process for the preparation of polyamides from 1,4-diaminobutane and adipic acid, wherein a 40 to 70% strength aqueous solution of the monomers is heated at 280.degree.-320.degree. C., preferably 290.degree.-310.degree. C., for a period of 5 to 30 minutes under a pressure of less than 8 bar, to give a precondensate having a relative viscosity of 1.05 to 2.0, and solid phase after-condensation at 180.degree.-260.degree. C.

Multistage process for the preparation of poly(tetramethylene-adipamide)

A process for the production of copolyamides from aromatic dicarboxylic acids, adipic acid, and hexamethylene diamine having from 30 to 51.5% by weight of units of the hexamethylene adipic acid amide, the monomers being precondensed at at least 250.degree. C. and under a pressure of at least 35 bars and the polycondensation being conducted in a conventional manner to completion.

Process for the production of copolyamide from aromatic dicarboxylic

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,

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Krefeld, Germany

Werner Nielinger