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Z. Choiński, M. Haładysz

Determination of the coagulation rate of chitosan spinning solutions during the fibre formation process


Polimery 1996, No 9, 512

DOI: dx.doi.org/10.14314/polimery.1996.512


Summary

Preparation of spinning solutions from chitosan manufactured by the Sea Fisheries Institute (Gdynia) has been studied and the coagulation rate of chitosan solutions in aqueous 2.5—7.0% acetic acid spun into alkaline (4—9% NaOH) coagulation bath was determined at 25—65°C. The experiments were conducted by following a planar model system by the use of a suitably adapted profile microscope. The effect of the coagulation parameters of chitosan solutions on the fibre spinning process and properties of fibres was analysed.


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