Water-soluble fiber and a method for manufacture thereof

Details Water-soluble fiber and a method for manufacture thereof Water-soluble fiber and a method for manufacture thereof

1996-01-18

2000-07-25

Gorr, Rachel

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528906, 428359, C08G 1848

Patent

active

060937831

ABSTRACT:
This invention relates to a water-soluble fiber and a method of manufacturing the fiber. The water-soluble fiber of the invention is composed of a high molecular compound with a weight average molecular weight of not less than 10,000, which high molecular compound is obtainable by reacting a polyalkylene oxide compound, which is obtainable by addition polymerization of an ethylene oxide-containing alkylene oxide and an organic compound containing two active hydrogen atoms, with a polycarboxylic acid, an anhydride thereof, a lower alkyl ester thereof, or a diisocyanate and is manufactured by spinning the same high molecular compound. The water-soluble fiber of the invention is not only high in elongation and tensile strength but is readily soluble in water.

REFERENCES:
patent: 4129435 (1978-12-01), Takematsu et al.
patent: 4521586 (1985-06-01), Fujita et al.
patent: 4705632 (1987-11-01), Yagita
patent: 5059630 (1991-10-01), Fujita et al.
J.M.G. Cowie; Polymers: Chemistry & Physics of Modern Materials; 1973; pp. 275-276.

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