Ester-stabilized chitin

Details Ester-stabilized chitin Ester-stabilized chitin

1986-01-17

1990-09-18

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

C08B 3708

Patent

active

049580116

ABSTRACT:
Ester-stabilized chitin polymers which have been dissociated and purified from a naturally occurring calcified chitin/protein matrix, and which substantially retain the structural features of the chitin matrix in that they comprise elongated fibers which are rapidly and quantitatively recognized by enzymes specific for naturally occurring chitin. The chitin polymers are made by a method in which the naturally occurring matrix is first decalcified and deproteinized, and then the chitin is dispersed and stabilized in a cold dilute ester-forming acid before being recovered. The polymers are useful in processes requiring consistent, reproduceable structure. Polymers having these useful attributes are particularly identifiable by their ability to react with enzymes specific for naturally occurring chitin.

REFERENCES:
patent: 2689244 (1954-09-01), Jones
patent: 3903268 (1975-09-01), Balassa
patent: 4286087 (1981-08-01), Austin et al.
patent: 4293098 (1981-10-01), Muralidhara
Kaifu et al., Polymer Journal, Studies on Chitin, V. Formylation, Propionylation, and Butyrylation of Chitin, vol. 13, No. 3, pp. 241-245 (1981).
Kaifu et l., Chemical Abstracts, vol. 95, 1981 No. 82619g.

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