Chitin films and fibers

Details Chitin films and fibers Chitin films and fibers

1975-04-16

1977-06-14

Griffin, Ronald W.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264202, 424180, 536 20, C08B 3708

Patent

active

040297276

ABSTRACT:
A new method for producing high-strength films, fibers and other shaped articles from chitin has been discovered, whereby an anhydrous solution of chitin is made into the desired shape, the chitin is insolubilized with an organic non-solvent for the chitin and the resultant shaped article, if desired, is oriented, by cold drawing until its properties, such as tensile strength, are substantially enhanced. The films, fibers, and other shaped articles capable of being oriented or in oriented form, are novel and useful in such applications as food wrap and surgical sutures.

REFERENCES:
patent: 2040880 (1936-05-01), Rigby
patent: 2168374 (1939-08-01), Thor
patent: 2217823 (1940-10-01), Thor
patent: 2403251 (1946-07-01), Watson
patent: 2842049 (1958-07-01), Delangre
patent: 3099067 (1963-07-01), Merriam et al.
patent: 3758660 (1973-09-01), Battista
patent: 3892731 (1975-07-01), Austin
Chemical Abstracts, vol. 79, No. 16, 10/22/1973, p. 93, 253d.
Chemical Abstracts, vol. 79, No. 17, 10/29/1973, p. 103, 768s.

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