Process for producing mouldable polymer blends

Details Process for producing mouldable polymer blends Process for producing mouldable polymer blends

1985-06-13

1990-06-19

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

252518, 252519, 525191, 525197, 525201, 525202, H01B 100, H21B 106

Patent

active

049351648

ABSTRACT:
Substantially monomer-free, electrically conductive organic polymers and/or organic conductors are dissolved or dispersed in a melt or solution of a thermoplastic matrix polymer or polymer mixture partially compatible therewith and having a solubility parameter >8.6 (cal/cm.sup.3).sup.1/2, in order to obtain mouldable polymer blends. The latter are suitable for producing moulded articles, particularly for electrical conductors, semiconductors or photoconductors. A suitable apparatus for producing the polymer blends comprises an extruder or kneader, through whose barrel one or more sonotrodes project into the transformation zone.

REFERENCES:
patent: 3632526 (1972-01-01), Yamamoto et al.
patent: 4359441 (1982-11-01), Barker et al.
patent: 4394304 (1983-07-01), Wnek
patent: 4670511 (1987-06-01), Weddigen et al.
Miyasaka et al., Journal of Materials Science, 17, (1982), 1610-1616.
Burrell, Solubility Parameters for Film Formers, Official Digest, Oct. 1955, pp. 726-758.
Medalia, A. I., "Rubber Chemistry and Technology", 59, pp. 432-454, (1986).

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