Process for manufacturing cellulose formed objects and a yarn of

Details Process for manufacturing cellulose formed objects and a yarn of Process for manufacturing cellulose formed objects and a yarn of

1998-12-18

2000-03-28

Edwards, Newton

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428364, D02G 300

Patent

active

060429445

ABSTRACT:
Process for manufacturing cellulose formed objects, whereby a solution of cellulose is formed in the warm state in a tertiary amine N-oxide and, if necessary, water and the formed solution is cooled with air before introducing it into a coagulation bath. Conditioned air is employed for cooling which exhibits a water content of 0.1 to 7 g water vapor per kg dry air and whose relative humidity amounts to less than 85%.

REFERENCES:
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patent: 4246221 (1981-01-01), McCorsely
patent: 4324593 (1982-04-01), Varga
patent: 4416698 (1983-11-01), McCorsely, III
patent: 5252284 (1993-10-01), Jurkovic et al.
patent: 5543101 (1996-08-01), Ruf et al.
patent: 5589125 (1996-12-01), Zikelli et al.
patent: 5824115 (1998-10-01), Kubuta et al.
R. Jahrling, "Die Herstellung Der Zellwolle Und Kunstseide" (1957), p. 323.
DDR-Fachbereichsstandard Viskoseseide (1983).
DDR-Standard Polyamidseide (1973).
German Search Report, P 44 42 890.1-44, Jan. 9, 1995.
Derwent--Abstract 94-290987/36 of Japanese Patent Application 06220213 (Published Aug. 9, 1994).
Derwent--Abstract 89-266892/37 of Japanese Patent Application 01193338 (Published Aug. 3, 1989).

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