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Content Provider | World Health Organization (WHO)-Global Index Medicus |
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Author | Pracella, Mariano Haque, Md Minhaz-Ul Paci, Massimo Alvarez, Vera |
Description | Author Affiliation: Pracella M ( Institute for Polymers, Composites and Biomaterials, IPCB-CNR, Sect. of Pisa, Pisa 56122, Italy. Electronic address: mariano.pracella@diccism.unipi.it.); Haque MM ( Department of Civil & Industrial Engineering, University of Pisa, Pisa 56122, Italy. Electronic address: minhaz1978@gmail.com.); Paci M ( Department of Civil & Industrial Engineering, University of Pisa, Pisa 56122, Italy. Electronic address: massimo.paci@unipi.it.); Alvarez V ( Polymer Division, INTEMA-CONICET, University of Mar del Plata, 7600 Mar del Plata, Argentina. Electronic address: alvarezvera@fi.mdp.edu.ar.) |
Abstract | The effect of addition of an ethylene-vinyl acetate copolymer modified with glycidyl methacrylate (EVA-GMA) on the structure and properties of poly(lactic acid) (PLA) composites with cellulose micro fibres (CF) was investigated. Binary (PLA/CF) and ternary (PLA/EVA-GMA/CF) composites obtained by melt mixing in Brabender mixer were analysed by SEM, POM, WAXS, DSC, TGA and tensile tests. The miscibility and morphology of PLA/EVA-GMA blends were first examined as a function of composition: a large rise of PLA spherulite growth rate in the blends was discovered with increasing the EVA-GMA content (0-30 wt%) in the isothermal crystallization both from the melt and the solid state. PLA/EVA-GMA/CF ternary composites displayed improved adhesion and dispersion of fibres into the matrix as compared to PLA/CF system. Marked changes of thermodynamic and tensile parameters, as elastic modulus, strength and elongation at break were observed for the composites, depending on blend composition, polymer miscibility and fibre-matrix chemical interactions at the interface. |
File Format | HTM / HTML |
ISSN | 01448617 |
Volume Number | 137 |
e-ISSN | 18791344 |
Journal | Carbohydrate Polymers |
Language | English |
Publisher | Elsevier |
Publisher Date | 2016-02-10 |
Publisher Place | Great Britain (UK) |
Access Restriction | Subscribed |
Subject Keyword | Discipline Biochemistry__semicolon__materials Discipline Science Biodegradable Plastics Chemical Synthesis Cellulose Analogs & Derivatives Lactic Acid Chemistry Polymers Vinyl Compounds Crystallization Polyesters Tensile Strength Journal Article Research Support, Non-u.s. Gov't |
Content Type | Text |
Resource Type | Article |
Subject Domain (in MeSH) | Organic Chemicals Macromolecular Substances Investigative Techniques Physical Phenomena |
Subject | Polymers and Plastics Materials Chemistry Organic Chemistry |
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