Abstract
Composites of chitosan and polylactide have been obtained in the presence of a compatibilizer based on a chitosan-lactide block copolymer with ω (polylactide) = 20 wt %. The solubility parameters of homopolymers have been calculated, and the possibility of the synthesis of related homogeneous composite materials has been shown. The optimum concentration of the compatibilizer (10 wt %) providing the compatibility of homopolymers in a wide composition range has been found. The incorporation of polylactide into chitosan in the presence of the compatibilizer causes increases in strength up to 40 MPa and in deformation to 13.4% relative to those of the initial chitosan. All compositions are biodegradable.
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Original Russian Text © N.E. Tsverova, A.E. Mochalova, A.G. Morozov, P.A. Yunin, L.A. Smirnova, I.D. Grishin, 2015, published in Russian in Vysokomolekulyarnye Soedineniya, Ser. B, 2015, Vol. 57, No. 3, pp. 214–219.
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Tsverova, N.E., Mochalova, A.E., Morozov, A.G. et al. Synthesis and properties of chitosan-polylactide compositions produced with the use of compatibilizers. Polym. Sci. Ser. B 57, 239–243 (2015). https://doi.org/10.1134/S1560090415030082
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DOI: https://doi.org/10.1134/S1560090415030082