Process for the production of acrylic fibers processible into ya

Details Process for the production of acrylic fibers processible into ya Process for the production of acrylic fibers processible into ya

1975-03-21

1976-08-17

Woo, Jay H.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

264206, 264210F, 264235, C08F22042, D01F 618

Patent

active

039753379

ABSTRACT:
The invention relates to a process for the production of polyacrylonitrile tows containing from 7 - 15 % by weight, preferably from 10 - 12 % by weight, of comonomer components from which it is possible to produce yarns having low boiling-induced shrinkage values and yarns and dimensionally stable made-up articles with improved textile properties which comprises reducing the tow-shrinkage emanating from the spinning and stretching process by 80 - 95 % of the original tow shrinkage by heat-fixing and eliminating subsequently the residual shrinkage by fixing with saturated steam.

REFERENCES:
patent: 3091507 (1967-05-01), Murdock et al.
patent: 3439393 (1969-04-01), Murono
patent: 3485913 (1969-12-01), Yamada et al.
patent: 3558761 (1971-01-01), Tabare et al.
patent: 3624196 (1971-11-01), Ball
patent: 3718716 (1973-02-01), Job et al.
patent: 3864447 (1975-02-01), Sekignchi et al.

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