Composition having a base of cellulose formate capable of produc

Details Composition having a base of cellulose formate capable of produc Composition having a base of cellulose formate capable of produc

1995-06-06

1996-12-24

Edwards, Newton

Stock material or miscellaneous articles

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

428364, 428343, 536 56, 536 56, D02G 300

Patent

active

055872387

ABSTRACT:
A composition having a base of cellulose formate capable of producing fibers or films, containing as solvent one or more compounds selected from the group consisting of alkylsulfoxides, lactams, acyclic amides and cyclic derivatives of urea.
A process for obtaining these fibers and films. A regenerated cellulose fiber the degree of substitution of which by formate groups is less than 3%.
This fiber can be used for textile applications or in order to reinforce tires.

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patent: 4839113 (1989-06-01), Villaine et al.
patent: 4926920 (1990-05-01), Gouttebessis et al.
WO-A-9116357 31-10-91.
Journal of Polymer Science, Polymer Letters Edition, vol. 24, No. 10, 1986, New York, US, pp. 495-501--T. Fujimoto et al. "Reaction of Cellulose with Formic Acid and Stability of Cellulose Formate".
Angewandte Makromolekulare Chemie, vol. 198, No. 3451, 1992, Basel, Switzerland, pp. 155-164, M. Schnabelrauch et al., "Readily Hydrolyzable Cellulose Esters as Intermediates for the Regioselective Derivatization of Cellulose" * summary, conclusions*.

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