Viscose rayon filment yarn and process for producing same

Details Viscose rayon filment yarn and process for producing same Viscose rayon filment yarn and process for producing same

1982-09-14

1984-04-17

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 61, C08B 900

Patent

active

044435967

ABSTRACT:
A viscose rayon filament yarn excellent in resistance to deterioration with time and uniform in boiling water shrinkage factor in the longitudinal direction of yarn which has been produced by a continuous spinning process characterized by spinning out a viscose having a sulfur content of sulfur oxides and polysulfides of 0.55% by weight or less based on the weight of cellulose, then allowing the yarn to stand for a time period defined by the following equation and then washing it with water and drying it:

REFERENCES:
patent: 2064356 (1936-12-01), Picard et al.
patent: 2369191 (1945-02-01), Thurmond
patent: 2852333 (1958-09-01), Cox et al.
patent: 3291789 (1966-12-01), Bridgeford
patent: 3531465 (1970-09-01), Bridgeford
patent: 4368078 (1983-01-01), Angelini et al.

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