Shaped electroconductive aromatic imide polymer article and proc

Details Shaped electroconductive aromatic imide polymer article and proc Shaped electroconductive aromatic imide polymer article and proc

1987-11-02

1989-03-07

Anderson, Philip

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252502, 264 292, 264105, 26433112, 428303, 4284735, 524847, 524879, H01B 124, C08G 7310

Patent

active

048104191

ABSTRACT:
A shaped electroconductive aromatic imide polymer article comprising an aromatic imide polymer matrix and 10% to 40% by weight of short cut carbon fibers 1 to 30 .mu.m thick and 0.05 to 3.0 mm long dispersed in the matrix, is produced by admixing a slurry of the short cut carbon fibers having a limited moisture content of 1.0% or less in a polymerization medium, with a polymerization mixture containing an aromatic tetracarboxylic acid component and an aromatic diamine component, by subjecting the resultant admixture to a polymerization procedure to prepare a dope comprising a resultant polymerization product, the carbon fibers and the polymerization medium, and by subjecting the dope to shaped article-producing procedures in which the dope is shaped into a desired form and the shaped dope is solidified by removing the polymerization medium to provide a desired shaped article.

REFERENCES:
patent: 3406126 (1968-10-01), Litant
patent: 3654187 (1972-04-01), Takenaka et al.
patent: 3654227 (1972-04-01), Dine-Hart
patent: 3697450 (1972-10-01), Takenaka et al.

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