Development And Characterization Of Multilayer Films Based On Polyhydroxyalkanoates And Hydrocolloids

dc.creatorde Andrade
dc.creatorCamila Souza; Fonseca
dc.creatorGustavo Graciano; Innocentini Mei
dc.creatorLucia Helena; Fakhouri
dc.creatorFarayde Matta
dc.date2017
dc.datefev
dc.date2017-11-13T11:32:09Z
dc.date2017-11-13T11:32:09Z
dc.date.accessioned2018-03-29T05:46:52Z
dc.date.available2018-03-29T05:46:52Z
dc.identifierJournal Of Applied Polymer Science. Wiley-blackwell, v. 134, p. , 2017.
dc.identifier0021-8995
dc.identifier1097-4628
dc.identifierWOS:000387411800024
dc.identifier10.1002/app.44458
dc.identifierhttp://onlinelibrary-wiley-com.ez88.periodicos.capes.gov.br/doi/10.1002/app.44458/full
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/326031
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1363037
dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.descriptionNew biodegradable polymeric materials have been developed in order to minimize the environmental impact caused by the traditional packaging found in the market. Polyhydroxyalkanoates (PHAs) are biopolymers with important features such as biodegradability and biocompatibility; however, the costs associated with PHAs production and the limited mechanical properties reduce their application. Whey is a residual product from dairy industry and gelatin is a biopolymer with good processing characteristics. In this context, a filmogenic solution based on these two biopolymers was incorporated into pure PHA films to improve their optical, mechanical, and structural properties. The filmogenic solution was prepared from gelatin, cheese whey and PHAs, using glycerol as plasticizer agent. The multilayers films (gelatin concentrations at 3 and 5%, w/v) showed higher values for all properties when compared with the PHA standard film. In this sense, the addition of this solution was responsible for the improvement of the film properties. The 5% gelatin multilayers films added of cheese whey and PHAs showed better results when compared with the multilayers films with gelatin at 3%. The film composed of gelatin 5% and cheese whey showed a water vapor permeability ranging from 0.45 g mm/m(2)/d/kPa, elongation of 2.18%, and opacity of 14.5%. However, the results of the morphological analysis showed that both films presented a homogeneous surface without cracks. Moreover, the results of the thermal analysis of both films indicate polymeric miscibility. Thus, the choice of the best film will depend on its applicability. (c) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44458.
dc.description134
dc.description6
dc.descriptionCAPES
dc.descriptionCNPq
dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.languageEnglish
dc.publisherWiley-Blackwell
dc.publisherHoboken
dc.relationJournal of Applied Polymer Science
dc.rightsfechado
dc.sourceWOS
dc.subjectBiodegradable Polymeric Materials
dc.subjectFilms
dc.subjectGels
dc.subjectPolyesters
dc.titleDevelopment And Characterization Of Multilayer Films Based On Polyhydroxyalkanoates And Hydrocolloids
dc.typeArtículos de revistas


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