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Article Dans Une Revue ACS Applied Materials & Interfaces Année : 2017

Elastomer Reinforced with Regenerated Chitin from Alkaline/Urea Aqueous System

Résumé

Novel hybrid elastomer/regenerated chitin (R-chitin) composites were developed, for the first time, by introducing chitin solution (dissolved in alkaline/urea aqueous solution at low temperature) into rubber latex, and then cocoagulating using ethanol as the cocoagulant. During the rapid coprecipitation process, the chitin solution showed rapid coagulant-induced gelation and a porous chitin phase was generated, and the rubber latex particles were synchronously demulsificated to form the rubbery phase. The two phases interlaced and interpenetrated simultaneously to form an interpenetrating polymer network (IPN) structure, which was evidenced by SEM observation. The ensuing compound was also characterized by thermogravimetric analysis (TGA), X-ray diffraction (XRD), and swelling experiments. The unique porous structure of R-chitin could result in strong physical entanglements and interlocks between filler and matrix, thus a highly efficient load transfer between the filler and the matrix was achieved. Accordingly, R-chitin endows the elastomer with a remarkable reinforcement. We envisage that this work may contribute new insights on novel design of chitin-based elastomer hybrids with IPN structure.
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Dates et versions

hal-03327331 , version 1 (27-08-2021)

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Citer

Peng Yu, Hui He, Yuanfang Luo, Demin Jia, Alain Dufresne. Elastomer Reinforced with Regenerated Chitin from Alkaline/Urea Aqueous System. ACS Applied Materials & Interfaces, 2017, 9 (31), pp.26460-26467. ⟨10.1021/acsami.7b08294⟩. ⟨hal-03327331⟩

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