Basf Aktiengesellschaft

Helmut Muenstedt

Herbert Naarmann

Gerhard Heinz

Jochem Henkelmann

Graham E McKee

Peter Ittemann

Franz Brandstetter

Bernd Hisgen

Bernhard Rosenau

Juergen Koch

Manfred Eggersdorfer

Hartmut Zeiner

Hermann Buchert

Wolfgang Eberle

Helmut Moehwald

Edmund Priebe

Gerhard Grimm

Helmut Gebhard

Ottmar Baur

Gerhard Hellwig

A process for the surface treatment of moldings based on liquid crystalline polymers with acidic or alkaline reagents includes using the reagents in a solvent which is an organic solvent to an extent of not less than 60% by weight.

Surface treatment of moldings based on liquid crystalline polymers

Laminate of polymers stable at high temperatures and metal foils applied

A circuit board substrate of good thermal conductivity comprises a composite formed from

Circuit board substrates of improved thermal conductivity

A film of an electrically conductive polymer consists of

Films of electrically conductive polymers

Highly heat-resistant polyaryl ether ketones are composed of

Highly heat-resistant polyaryl ether ketones

In a solid-state capacitor comprising a positive and a negative electrode, a dielectric medium and a solid electrolyte, the solid electrolyte contains an electroconductive polymer as essential constituent.

Solid-state capacitor with an electroconductive polymer as constituent

In a composite electrode whose active electrode material contains an electrochemically chargeable and dischargeable polymer which is bonded to a conductor, the adhesive contains a finely divided electrically conductive substance.

Composite electrode

The long-term stability of the electrical conductivity of pyrrole polymers is improved by a process in which the polymers are treated with an aqueous alkali metal hydroxide solution. Pyrrole polymers treated in this manner are used as electrical conductor elements or resistive films.

Long-term stability of the electrical conductivity of pyrrol polymers

The long-term stability of the electrical conductivity of pyrrole polymers is improved by a process in which the polymers are treated with an aqueous acid. Pyrrole polymers treated in this manner are used as conductor elements in the electrical industry.

Long-term stability of the electrical conductivity of pyrrole polymers

Thermoplastic molding materials based on impact resistant styrene polymers and polyphenylene ethers containing a hydrocarbon wax having a melt viscosity of less than 500 centistokes at 120.degree. C.

Thermoplastic molding materials

Apparatus for determining the stress-strain characteristics of materials in the viscoelastic state, especially polymer melts, in which a bar-shaped test specimen arranged vertically in a thermostable bath is stretched by means of a tape attached to a motor-driven reel and the tensile forces are continuously measured by a load cell arranged below the specimen and within the bath.

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Wachenheim, Germany

Helmut Muenstedt