Water-absorbing shrinkable yarn

Details Water-absorbing shrinkable yarn Water-absorbing shrinkable yarn

1986-10-21

1989-03-07

Petrakes, John

Textiles: spinning, twisting, and twining

Strand structure

Plied

57252, 57255, 604376, D02G 304, D02G 326, D02G 344, A41B 1302

Patent

active

048094935

ABSTRACT:
Rapidly shrinking fibers hardly soluble in water and capable of shrinking in water at 20.degree. C. by not less than 30% in not longer than 10 seconds are obtained, for example, by spinning, drawing and heat-treating a carboxy-modified polyvinyl alcohol under specific conditions. Yarns made from a fiber of this kind in conjunction with a fiber slowing shrinking in water as well as nonwoven fabrics made by incorporating yarns containing said rapidly shrinking fibers in nonwoven fabric shrinkable upon absorption of water are suited as means of tightly fitting edge portions of disposable diapers to the thigh.

REFERENCES:
patent: 2701406 (1955-02-01), Bloch
patent: 3146574 (1964-09-01), Earnshaw
patent: 3388547 (1968-06-01), Koga et al.
patent: 3424833 (1969-01-01), Mazzolini et al.
patent: 3490223 (1970-01-01), Mazzolini et al.
patent: 3587220 (1971-06-01), Eggleston
patent: 4357938 (1982-11-01), Ito et al.
patent: 4406660 (1983-09-01), Beiner et al.

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