Method of making cellulose yarn solution

Details Method of making cellulose yarn solution Method of making cellulose yarn solution

1993-10-29

1994-11-08

Nutter, Nathan M.

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

Organic compounds

Carbohydrates or derivatives

106165, 106168, C08B 902, C08L 124, C09J10124

Patent

active

053628675

ABSTRACT:
An improved method of making cellulose yarn solution made up of solvents such as N-methylmorpholine-N-oxide and recovered caprolactam involves cutting a wood pulp sheet into small pieces, which are subsequently added into a kneading machine having therein water solution containing 63-67% of N-methylmorpholine-N-oxide and recovered caprolactam. The kneading machine is subjected to a three-stage heat treatment to produce the cellulose yarn solution at low cost and best qualities.

REFERENCES:
patent: 4256613 (1981-03-01), Franks et al.
patent: 4416698 (1983-11-01), McCorsley, III
patent: 5068321 (1991-11-01), Buysch et al.

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