Biopolymeric Matrices Reinforced with Natural Fibers and Nanofillers

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Polymer Composites".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 1720

Special Issue Editors


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Guest Editor
CQM-Centro de Química da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal
Interests: composites structures; nanocomposites; polymer-matrix composites; thermoplastic and thermosetting polymers; reinforcement; structural analysis, integrity and design; thermal and mechanical properties; refractories; natural fibers; inorganic fillers; concrete and concrete without using cement; finite element analysis
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Guest Editor
Mechanical Engineering Department, Basaveshwar Engineering College, Bagalkote 587102, India
Interests: polymer matrix composites; nanocomposites

Special Issue Information

Dear Colleagues,

Recent manufacturing advancements have led to the fabrication of polymeric composites reinforced with natural fibers and nanofillers. However, to reduce the impact on the environment, efforts have been made to replace synthetic fibers by natural fibers in many applications. Natural fibers can possess higher cellulose content, a higher degree of polymerization of cellulose, and a lower microfibrillar angle, which are crucial factors for the mechanical properties, namely tensile modulus and tensile strength, and many other properties that make them suitable for the reinforcement of polymeric composites. Their blend can consists in biopolymeric matrices that are effective engineering materials that are able to compete with traditional polymers based on fossil fuel-derived feedstocks. The need to use such polymers derived from renewable resources has increased during the last decades due to environmental concerns and awareness of the limited resources based on fossil fuel feedstock. The engineering properties of biopolymeric composites in terms of processing and use can be  described in detail through comparison with those that have been manufactured with conventional polymers, in terms of: classification, synthesis, chemical structure, and the resulting mechanical and biodegradation behaviour, etc. The research work that will be submitted to this special issue need to show a complete overview of the application fields where these sustainable biopolymeric composites show potential, with a particular emphasis on their role as matrices for biocomposites reinforced with Natural Fibers and Nanofillers to be applied in a wide range of situations from civil construction to biomedical applications"

Dr. Deesy Gomes Pinto
Dr. Rajashekhar Kurahatti
Guest Editors

Manuscript Submission Information

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Keywords

  • natural fibers
  • nanofillers
  • thermosetting polymers
  • reinforcement
  • thermal properties
  • mechanical properties
  • nanocomposites
  • epoxy resins
  • wettability
  • moisture absorption

Published Papers (1 paper)

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Research

15 pages, 2705 KiB  
Article
Novel PolyPropylene–Sargassum Particles Composites: Evaluation of Thermal and Thermomechanical Properties
by Jesús Daniel Aragón-Vallejo, Beatriz Adriana Salazar-Cruz, María Yolanda Chávez-Cinco, José Luis Rivera-Armenta and Ana Cecilia Espindola-Flores
J. Compos. Sci. 2023, 7(11), 455; https://doi.org/10.3390/jcs7110455 - 01 Nov 2023
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Abstract
Sargassum is a type of marine algae that has caused environmental problems in Mexico because it arrives in high quantities along the Mexican coast, especially in the Mexican Caribbean. This situation has become an environmental and economic problem, impacting tourism and other activities. [...] Read more.
Sargassum is a type of marine algae that has caused environmental problems in Mexico because it arrives in high quantities along the Mexican coast, especially in the Mexican Caribbean. This situation has become an environmental and economic problem, impacting tourism and other activities. As a result, it is reasonable to try to find an application for these algae. Recently, some applications in civil construction, cosmetics, and the food industry, among others, have been reported. The present work evaluates the thermal and structural properties of new polypropylene (PP)–Sargassum-based composites. Also, the effect of adding calcium stearate (CS) to increase the interaction between PP and Sargassum particles was investigated. PP–Sargassum particle composites were prepared by a melt mixing process, and the properties of these composites were evaluated using thermal techniques such as dynamic mechanical analysis (DMA), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), X-ray diffraction (XRD), and infrared spectroscopy (FTIR). The DMA results showed that composites with low concentrations of Sargassum particles perform better than those with higher concentrations. When CS was added to composites, there was a significant improvement in storage modulus compared with composites without CS. This was attributed to the good adhesion of the particles to the matrix because the mobility of macromolecules increased in the presence of CS. The thermal stability of PP–Sargassum particle composites decreases when the amount of particles increases, and the addition of CS does not positively affect the thermal behavior of composites. The findings open the possibility of using Sargassum particles in new applications of these algae as a polymer additive to generate sustainable materials. Full article
(This article belongs to the Special Issue Biopolymeric Matrices Reinforced with Natural Fibers and Nanofillers)
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