Cross-Linkable Bio and Mineral Fillers for Reactive Polymer Composites: Processing and Characterization

Rušmirović, Jelena; Kovačević, Tihomir; Brzić, Saša; Marinković, Аleksandar

doi:10.1007/978-3-030-45135-6_6

Cited by 2 publications

(1 citation statement)

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“…To produce those structures, reinforcements are dispersed in polymers matrix. Cellulose, silica, clay, and alumina are the main studied reinforcements [18]. Nonetheless, chitosan has proved that it could be an interesting candidate due to its antimicrobial properties [19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Chitosan as Reinforcement for Biopolymers - A Mini Review

Mélanie

Audonnet

Baynast

2022

PSPRJ

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It is nowadays urgent to find new packaging solutions that have a lower impact on the environment. Biopolymers (PLA, starch, PBAT) seem interesting to the design of the new packaging generation. These polymers have some drawbacks such as mechanical and barrier properties. Also, it could be interesting to add antimicrobial properties to packaging to increase the shelf life of food products. For those reasons, chitosan seems to be an interesting component to add to a biopolymer matrix. Chitosan is a polysaccharide derived from crustacean shells. Chitosan can be directly added to the matrix via thermomechanical processes, or it can be turned into thermoplastic chitosan with the combined effect of an acid solution, a plasticizer, heat, and shear. The chitosan intramolecular bonds are thus reduced. The second method seems to limit the agglomeration of chitosan in the polymer matrix and increase interfacial adhesion. The composite properties depend on the acid and plasticizer type and rate.

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