Method and device for producing cellulosed shaped bodies

Details Method and device for producing cellulosed shaped bodies Method and device for producing cellulosed shaped bodies

2005-06-07

2005-06-07

Tentoni, Leo B. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

C159S005000, C264S040600, C264S17800F, C264S187000, C264S203000, C425S135000, C425S144000, C425S376100, C425S382200

Reexamination Certificate

active

06902690

ABSTRACT:
The invention relates to a method for producing cellulosed shaped bodies. (a) Cellulose and an aqueous aminoxide are mixed, whereby a suspension is produced. (b) A cellulose solution is produced from the suspension, whereby water evaporates. (c) A first property and a second property of the produced cellulose solution is measured and the measured value is used for correcting the composition of the solution and (d) the cellulose solution is extruded through a gap of air and into an aqueous regenerating bath where said solution is coagulated to form shaped bodies.

REFERENCES:
patent: 2777160 (1957-01-01), Rulison et al.
patent: 3148231 (1964-09-01), Spencer
patent: 195 09 291 (1996-09-01), None
patent: 0254803 (1988-02-01), None
patent: 2217848 (1989-11-01), None
patent: WO-9428212 (1994-12-01), None

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