Process for producing electrically conductive synthetic fibers

Details Process for producing electrically conductive synthetic fibers Process for producing electrically conductive synthetic fibers

1975-10-08

1978-04-18

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

264176F, 264211, B29F 310, D01D 512

Patent

active

040851826

ABSTRACT:
A process for producing sheath-core type electrically conductive synthetic composite filaments, which comprises simultaneously melt-extruding in a sheath/core filament configuration an electrically conductive core composition of a thermoplastic synthetic polymer containing an electrically conductive carbon black dispersed therein and a non-conductive sheath composition of a thermoplastic fiber-forming synthetic polymer, and taking up the extruded sheath-core type synthetic filaments at a take-up speed of at least 2,500 meters per minute; and an electrically conductive sheath-core type synthetic filament having a polyamide sheath.

REFERENCES:
patent: 2957747 (1960-10-01), Bowling
patent: 3175339 (1965-03-01), McDowell
patent: 3264390 (1966-08-01), Tanner
patent: 3481558 (1969-12-01), Davies et al.
patent: 3823035 (1974-07-01), Sanders
patent: 3946100 (1976-03-01), Davis et al.
patent: 3958066 (1976-05-01), Imamava et al.

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