Method for producing polymeric fibers with improved anti-static

Details Method for producing polymeric fibers with improved anti-static Method for producing polymeric fibers with improved anti-static

1993-08-30

1994-11-15

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

26421122, D01F 109

Patent

active

053645820

ABSTRACT:
The present invention is directed to a method for producing polymeric fibers with improved anti-static properties and deep dyeability. The method employs anti-static agents that are solid, waxy substances at room temperature. The anti-static agent is pulverized and combined with a carrier to form a dispersion and injected into the throat of a spinning extruder. Polymeric material is added to the extruder and heated with the anti-static agent to form a melt. The melt is then extruded to form the polymeric fiber. Alternatively, the molten anti-static agent is melted and fed through heated lines into a spinning extruder. Polymeric material is added to the extruder and heated with the anti-static agent to form a melt. The melt is then extruded to form the polymeric fiber.

REFERENCES:
patent: 4065532 (1977-12-01), Wild et al.
patent: 5116897 (1992-05-01), Burton
patent: 5157067 (1992-10-01), Burditt et al.
patent: 5236645 (1993-08-01), Jones

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