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Multifunctional PLA-PHB/cellulose nanocrystal films: processing, structural and thermal properties.
Carbohydr Polym. 2014 Jul 17; 107:16-24.CP

Abstract

Cellulose nanocrystals (CNCs) synthesized from microcrystalline cellulose by acid hydrolysis were added into poly(lactic acid)-poly(hydroxybutyrate) (PLA-PHB) blends to improve the final properties of the multifunctional systems. CNC were also modified with a surfactant (CNCs) to increase the interfacial adhesion in the systems maintaining the thermal stability. Firstly, masterbatch pellets were obtained for each formulation to improve the dispersion of the cellulose structures in the PLA-PHB and then nanocomposite films were processed. The thermal stability as well as the morphological and structural properties of nanocomposites was investigated. While PHB increased the PLA crystallinity due to its nucleation effect, well dispersed CNC and CNCs not only increased the crystallinity but also improved the processability, the thermal stability and the interaction between both polymers especially in the case of the modified CNCs based PLA-PHB formulation. Likewise, CNCs were better dispersed in PLA-CNCs and PLA-PHB-CNCs, than CNC.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Arrieta MP
Instituto de Tecnología de Materiales, Universitat Politècnica de Valencia, 03801 Alcoy-Alicante, Spain; Analytical Chemistry, Nutrition and Food Sciences Department, University of Alicante, P.O. Box 99, E-03080 Alicante, Spain.
Fortunati E
Materials Engineering Centre, UdR INSTM, NIPLAB, University of Perugia, 05100 Terni, Italy. Electronic address: elena.fortunati@unipg.it.
Dominici F
Materials Engineering Centre, UdR INSTM, NIPLAB, University of Perugia, 05100 Terni, Italy.
Rayón E
Instituto de Tecnología de Materiales, Universitat Politècnica de Valencia, E-46022 Valencia, Spain.
López J
Instituto de Tecnología de Materiales, Universitat Politècnica de Valencia, 03801 Alcoy-Alicante, Spain.
Kenny JM
Materials Engineering Centre, UdR INSTM, NIPLAB, University of Perugia, 05100 Terni, Italy; Institute of Polymer Science and Technology, CSIC, Juan de la Cierva 3, Madrid 28006, Spain.

MeSH

AdhesivenessCelluloseDrug StabilityHydrolysisLactic AcidNanoparticlesPolyestersPolymersSurface-Active AgentsTemperature

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

24702913

Citation

Arrieta, M P., et al. "Multifunctional PLA-PHB/cellulose Nanocrystal Films: Processing, Structural and Thermal Properties." Carbohydrate Polymers, vol. 107, 2014, pp. 16-24.
Arrieta MP, Fortunati E, Dominici F, et al. Multifunctional PLA-PHB/cellulose nanocrystal films: processing, structural and thermal properties. Carbohydr Polym. 2014;107:16-24.
Arrieta, M. P., Fortunati, E., Dominici, F., Rayón, E., López, J., & Kenny, J. M. (2014). Multifunctional PLA-PHB/cellulose nanocrystal films: processing, structural and thermal properties. Carbohydrate Polymers, 107, 16-24. https://doi.org/10.1016/j.carbpol.2014.02.044
Arrieta MP, et al. Multifunctional PLA-PHB/cellulose Nanocrystal Films: Processing, Structural and Thermal Properties. Carbohydr Polym. 2014 Jul 17;107:16-24. PubMed PMID: 24702913.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Multifunctional PLA-PHB/cellulose nanocrystal films: processing, structural and thermal properties. AU - Arrieta,M P, AU - Fortunati,E, AU - Dominici,F, AU - Rayón,E, AU - López,J, AU - Kenny,J M, Y1 - 2014/02/22/ PY - 2013/12/28/received PY - 2014/02/06/revised PY - 2014/02/08/accepted PY - 2014/4/8/entrez PY - 2014/4/8/pubmed PY - 2014/12/15/medline KW - Blends KW - Cellulose nanocrystals KW - Film processing KW - Nanocomposites KW - Poly(hydroxybutyrate) KW - Poly(lactic acid) KW - Thermal properties SP - 16 EP - 24 JF - Carbohydrate polymers JO - Carbohydr Polym VL - 107 N2 - Cellulose nanocrystals (CNCs) synthesized from microcrystalline cellulose by acid hydrolysis were added into poly(lactic acid)-poly(hydroxybutyrate) (PLA-PHB) blends to improve the final properties of the multifunctional systems. CNC were also modified with a surfactant (CNCs) to increase the interfacial adhesion in the systems maintaining the thermal stability. Firstly, masterbatch pellets were obtained for each formulation to improve the dispersion of the cellulose structures in the PLA-PHB and then nanocomposite films were processed. The thermal stability as well as the morphological and structural properties of nanocomposites was investigated. While PHB increased the PLA crystallinity due to its nucleation effect, well dispersed CNC and CNCs not only increased the crystallinity but also improved the processability, the thermal stability and the interaction between both polymers especially in the case of the modified CNCs based PLA-PHB formulation. Likewise, CNCs were better dispersed in PLA-CNCs and PLA-PHB-CNCs, than CNC. SN - 1879-1344 UR - https://www.unboundmedicine.com/medline/citation/24702913/Multifunctional_PLA_PHB/cellulose_nanocrystal_films:_processing_structural_and_thermal_properties_ DB - PRIME DP - Unbound Medicine ER -