Process for preparing conductive PVC molding compositions

Details Process for preparing conductive PVC molding compositions Process for preparing conductive PVC molding compositions

1982-10-08

1984-02-07

Anderson, Harold D.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

252511, 521 56, 521145, 528490, C08L 2706, C08J 320

Patent

active

044304609

ABSTRACT:
Low density conductive carbon black agglomerated particles are finely divided to a particle size below 0.044 millimeter and added in a portionwise manner to a PVC resin in a closed system. The process ensures a uniform dispersion of the carbon black into the PVC resin and uniform bulk and surface properties of articles molded from the resultant resin.

REFERENCES:
patent: 3337193 (1967-08-01), Berker
patent: 4151132 (1979-04-01), Khanna
patent: 4228050 (1980-10-01), Martin et al.
Schildknecht, Polymer Processes, pp. 715-716, 1956.
Kirk-Othmer, Encyclopedia of Chemical Tech., 2nd Ed., vol. 17, pp. 614-620, 1968.
Modern Plastics Encyclopedia, 1963, pp. 724-725.

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