Synthesis of Highly Substituted Butyryl Chitin in the Presence of Perchloric Acid-Reference-Cited by-同舟云学术

Synthesis of Highly Substituted Butyryl Chitin in the Presence of Perchloric Acid

Published:1996-01 Issue:1 Volume:11 Page:61-71
ISSN:0883-9115
Container-title:Journal of Bioactive and Compatible Polymers
language:en
Short-container-title:Journal of Bioactive and Compatible Polymers

Author:

Szosland Lidla¹

Affiliation:

1. Institute of Man-Made Fibres, Technical University of,Łódż, 90-924.,Łódż, Źwirki 36, Poland

Abstract

Perchloric acid was used as a catalyst for butyrylation of krill chitin. Esterification was carried out under heterogeneous conditions using a large excess of butyric anhydride at 20°C and 40°C. The effect of catalyst concentration and duration of the reaction on molecular weight and yield of butyryl chitin was investigated. Butyryl chitin with a degree of substitution of 2 in 90% yield were obtained. These butyryl chitins were soluble in various organic solvents and formed strong transparent films and fibers. The butyryl chitin also shows good resistance to gamma irradiation.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Biomaterials,Bioengineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/088391159601100105

Reference7 articles.

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3. Studies on Chitin. II. Preparation of Benzyl and Benzoylchitins

4. Studies on Chitin. V. Formylation, Propionylation, and Butyrylation of Chitin

5. Studies on Chitin. VII. Preparations of p-Substituted Benzoylchitins

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