Electrically conducting liquid-crystal polymer blends and proces

Details Electrically conducting liquid-crystal polymer blends and proces Electrically conducting liquid-crystal polymer blends and proces

1994-05-03

1995-02-21

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525256, 525185, 528380, C08F 2806

Patent

active

053916220

ABSTRACT:
The present invention concerns electrically conducting polymer blends, processs for production thereof, and fibers and films essentially consisting of electrically conducting polymer blends. According to the invention, the polymer blends comprise matrix polymers and electrically conducting polymer components possessing liquid-crystal properties. In particular, the liquid-crystal polymer components comprise a main chain incorporating conjugated double bonds, the monomer units of the main chain being linked to side chains which, together with the main chain, render the polymer liquid-crystal properties at elevated temperatures. The blends are prepared by melt blending a matrix polymer and a liquid-crystal polymer and by treating the blend thus prepared with a dopant to make the liquid-crystal polymer conducting. The polymer blends can be processed into fibers or films using conventional processing methods of plastics such as die extrusion, injection molding, injection molding, ram molding or film blowing.

REFERENCES:
patent: 4711742 (1987-12-01), Jen
patent: 4737557 (1988-04-01), Sato
patent: 5171632 (1992-12-01), Keeger
patent: 5279768 (1994-01-01), Destryker et al.

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