Continuous process for the production of polyacrylonitrile filam

Details Continuous process for the production of polyacrylonitrile filam Continuous process for the production of polyacrylonitrile filam

1984-03-06

1986-11-11

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

With crimping or crinkling of strands of filaments

264206, 264233, D01S 522

Patent

active

046221956

ABSTRACT:
Polyacrylonitrile filaments and fibers may be obtained without interruption by spinning the spinning solution into a hot-air spinning duct, washing, drawing, crimping, preparing, steaming, drying cooling and, optionally, cutting at a take-off rate kept at 150 to 400 m/minute and for a tow weight of from 10 to 100 g/m when

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patent: 3091507 (1963-05-01), Mindock et al.
patent: 3124631 (1964-03-01), Davis et al.
patent: 3663676 (1972-05-01), Lulay
patent: 3671619 (1972-06-01), Fitzgerald et al.
patent: 3831233 (1974-08-01), Rendall et al.
R. Wiedermann, "Acrylfaser-Spinn-und Nachbehandlungsverfahren", Chemiefasern/Textilindustrie, Jun. 1981, pp. 481-484.
Synthesefasern, Verlag Chemie, 1981, pp. 96-104, 205-206.

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