4.7 Article

Biopolymer Textile Structure of Chitosan with Polyester

期刊

POLYMERS
卷 14, 期 15, 页码 -

出版社

MDPI
DOI: 10.3390/polym14153088

关键词

polyester; alkaline hydrolysis; anionic surfactant; cationic surfactant; chitosan

资金

  1. Croatian Science Foundation [HRZZ-IP2020-02-7575]

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This research focuses on functionalizing a standard polyester fabric with biopolymer chitosan, using alkaline hydrolysis with the addition of cationic and anionic surfactants as promoters. The study compares the compatibility of chitosan with untreated and alkali-hydrolyzed fabrics through the analysis of mechanical and physico-chemical properties. The results show that alkaline hydrolysis of polyester fabric has the best potential for functionalization with chitosan, and the addition of surfactants as promoters is not necessary in the pretreatment process phase.
The research deals with functionalization of a standard polyester fabric with biopolymer chitosan, whose premises are multifunctional and favour ecological effects. Due to the incompatibility of synthetic and natural polymers, the chitosan treatment was preceded by alkaline hydrolysis with sodium hydroxide with the addition of cationic and anionic surfactants as promoters. Compatibility of the chitosan with untreated and alkali-hydrolyzed fabrics was performed by analysis of mechanical and physico-chemical properties. The number of characterisation procedures performed required the use of hierarchical cluster analysis (HCA) to identify homogeneous groups or clusters in which similarities and differences between samples are visible. Almost all applied methods and evaluation parameters have shown that alkaline hydrolysis of polyester fabric has the best potential for functionalization with chitosan. Therefore, the addition of surfactants as promoters during alkaline hydrolysis is not necessary in the pretreatment process phase.

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