Тип публикации: статья из журнала
Год издания: 2020
Идентификатор DOI: 10.1016/j.ijbiomac.2020.10.177
Ключевые слова: chitosan, composites, films, nonwoven mats, physicochemical properties, poly-3-hydroxybutyrate, tissue engineering
Аннотация: Composite films and nonwoven mats of the poly-3-hydroxybutyrate and chitosan natural polymers were prepared and investigated. DSC and FTIR techniques were used to confirm that P(3HB) blending with chitosan resulted in a decrease in P(3HB) crystallinity to 47% and 62% in the films and nonwoven mats, respectively. Scanning electron mПоказать полностьюicroscopy showed that addition of chitosan induced changes in the surface morphology of the composite films and a reduction in the diameter of ultrafine fibers in the nonwoven mats from 800 nm to 460 nm. The values of water contact angle for films (53°) and nonwoven mats (50.6°) suggested that chitosan enhanced hydrophilic properties and moisture absorption capacity of the composite materials. On the other hand, P(3HB) showed its reinforcing ability and improved the physical/mechanical properties of chitosan. The work included studies of in vitro biodegradation of the composite specimens and their ability to maintain cell growth and attachment in NIH 3T3 fibroblast culture. © 2020
Журнал: International Journal of Biological Macromolecules
Выпуск журнала: Vol. 165
Номера страниц: 2947-2956
ISSN журнала: 01418130
Издатель: Elsevier B.V.