Polímeros: Ciência e Tecnologia
https://app.periodikos.com.br/journal/polimeros/article/doi/10.1590/S0104-14282005000200016
Polímeros: Ciência e Tecnologia
Scientific & Technical Article

Mechanical Properties of N,N,N-trimethylchitosan Chloride Films

Assis, Odilio B. G.; Campana Filho, Sérgio P.; Britto, Douglas de

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Abstract

Films of chitosan and N,N,N-trimethylchitosan were cast from aqueous solutions. Chitosan was dissolved in 1% acetic acid while deionized water was the solvent for N,N,N-trimethylchitosan chloride. The resulting films presented different mechanical behaviors as evaluated by DMTA. The film of chitosan exhibited an elastic-type behavior while that of N,N,N-trimethylchitosan was typically viscous. No glass transition temperatures were observed; however, a discrete thermal transition was detected at 25°C in the case of the N,N,N-trimethylchitosan.

Keywords

Chitosan, N,N,N-trimethylchitosan, mechanical properties

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