Process for the production of a plasticized shaped body from a c

Details Process for the production of a plasticized shaped body from a c Process for the production of a plasticized shaped body from a c

1974-12-16

1977-01-11

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

106164, 106165, 106176, 106184, 264195, 264209, D01F 208

Patent

active

040027120

ABSTRACT:
This invention relates to a process for the production of a shaped body from a cellulose derivative which comprises extruding a viscose solution through a shaping die into a precipitation bath and passing the shaped body thus formed through regenerating and washing baths, then treating the body with an acid aqueous solution of a secondary chemical plasticizer, drying it by heating, and finally moistening it with water after drying, said viscose solution being mixed with a liquid containing alkyl-trimethylol-urea of the following general formula ##STR1## wherein n is a whole number between 9 and 24, preferably between 14 and 19, and especially the number 17, and/or with a liquid containing alkyl-ethylene-urea of the following general formula ##STR2## wherein n is a whole number between 11 and 19, preferably between 15 and 18, and especially the number 17, or with a liquid containing alkylamine-bis-dimethylene-triazinonetetramethylol of the following general formula ##STR3## wherein n is a whole number between 9 and 24, preferably between 14 and 19, and especially the number 17, or with a liquid containing alkylamide-bis-dimethylene-triazinonetetramethylol of the following general formula ##STR4## wherein n is a whole number between 9 and 24, preferably between 14 and 19, and especially the number 17.

REFERENCES:
patent: 2322981 (1943-06-01), Ubbelohde
patent: 2335980 (1943-12-01), Wolfmann
patent: 2561814 (1951-07-01), Novotny et al.
patent: 3016283 (1962-01-01), Schappel
patent: 3937672 (1976-02-01), Busch et al.
"Cross-links of Cellulose Fibers," Kamiya et al., Seni Kogyo Shikensho Iho, No. 34, 45-33, (1956).

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