Hygroscopic polyamide fiber

Details Hygroscopic polyamide fiber Hygroscopic polyamide fiber

1992-11-24

1994-04-26

Anderson, Harold D.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

521 61, 521 62, 521 63, 521184, 521189, 524420, 528499, C08L 7700

Patent

active

053067614

ABSTRACT:
A polyamide fiber comprised of (A) a thermoplastic aliphatic polyamide having copolymerized therein a polyalkylene oxide unit and having a melting point of at least 160.degree. C., and (B) a polyoxyalkylene glycol, wherein the ingredient (B) is finely dispersed in the ingredient (A). A polyamide fiber exhibiting a rate of moisture absorption of at least 3.5%/5 minutes at 25.degree. C. and R.H. 90% and/or a triboelectric voltage of not larger than 1.5 kV at 20.degree. C. and R.H. 40% is obtained by removing the ingredient (B) from the above-mentioned polyamide fiber by means of dissolution.

REFERENCES:
patent: 4873296 (1989-10-01), Ciaperoni et al.
"Hydrophilic Nylon for Improved Apparel Comfort", R. A. Lofquist, et al., Textile Research Journal, Jun. 1985, pp. 325-333.

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