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Special Issue "Novel Biodegradable and Renewable Polymer-Based Nanohybrids and Applications"

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: 31 December 2019

Special Issue Editor

Guest Editor
Dr. Erlantz Lizundia

1 Department of Graphic Design and Engineering Projects, Bilbao Faculty of Engineering, University of the Basque Country (UPV/EHU), Bilbao 48013, Spain
2 BCMaterials, Basque Center Centre for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain.
Website | E-Mail
Interests: renewable materials; polymers; nanomaterials; cellulose nanocrystals; cellulose derivatives; energy storage; environmental remediation; multifunctional properties

Special Issue Information

Dear Colleagues,

Thanks to their low cost, ease of processing, and immense possibilities in tailoring their chemical and physical properties, polymers represent a leading class of material worldwide. Unfortunately, improper waste disposal policies have led to tremendous negative impacts on the biosphere, making them one of the biggest threats that faces our society. Being aware of the environmental burden associated with the “scourge of plastic”, it is up to scientists and industries to provide innovative alternatives to tackle this threat to humanity.

Biodegradable and renewable polymer-based nanohybrids emerge as a viable alternative to high “carbon footprint” petroleum-derived plastics, as they combine the biodegradability/renewability of the hosting matrix with improved functional properties arising from the incorporation of nanoparticles. In this sense, flagship polymers include but are not limited to polyesters, polysaccharides such as cellulose and chitin, certain classes of polyurethanes and polycarbonates, and polyanhydrides. With a plethora of opportunities arising from the combination of biodegradable/renewable polymers and nanoparticles, these systems offer exciting opportunities to design and synthesize novel multifunctional materials and devices. These are aimed to be applied in the fields of medicine, packaging, energy storage, catalysis, water purification, sensors, and actuators. Thanks to such propitious characteristics, it is expected that polymeric nanohybrids may take the lead in the transition to a sustainable society.

This Special Issue seeks to address recent developments in novel nanohybrids based on biodegradable and renewable polymers in a comprehensive way. Manuscripts dealing with the synthesis of novel biodegradable/renewable polymers, nanoparticles/nanohybrids/nanocomposites, functionalization, processing, multifunctional properties, novel applications, life cycle assessment (LCA), and recycling will be considered. Full papers, communications, and reviews covering these subjects are welcome.

Dr.  Erlantz Lizundia
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • Biobased/biodegradable polymers
  • Nanocomposites
  • Sustainable and renewable materials
  • Interface modification
  • Processing
  • Smart and multifunctional properties
  • Energy storage
  • Catalysis
  • Recycling
  • Life cycle assessment (LCA)

Published Papers (1 paper)

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Open AccessArticle
Effects of Citric Acid on Structures and Properties of Thermoplastic Hydroxypropyl Amylomaize Starch Films
Materials 2019, 12(9), 1565; https://doi.org/10.3390/ma12091565
Received: 12 April 2019 / Revised: 2 May 2019 / Accepted: 9 May 2019 / Published: 13 May 2019
PDF Full-text (4714 KB) | HTML Full-text | XML Full-text
Hydroxypropyl amylomaize starch (HPAS) films were prepared by hot press. The effects of initial pH of HPAS on the mechanical properties, molecular interaction, structure, and cross-linking degree of the resultant films were investigated. A weak acidic condition was suitable for cross-linking of citric [...] Read more.
Hydroxypropyl amylomaize starch (HPAS) films were prepared by hot press. The effects of initial pH of HPAS on the mechanical properties, molecular interaction, structure, and cross-linking degree of the resultant films were investigated. A weak acidic condition was suitable for cross-linking of citric acid and HPAS by reactive extrusion. The film of HPAS with an initial pH of 5.66 had the maximum tensile strength of 7.20 MPa and elongation-at-break of 94.53%, and the weight average molecular weight of HPAS increased to 4.17 × 105 g/mol. An appropriate initial pH facilitated the formation of diester bonds between HPAS and citric acid during extrusion, but too low initial pH levels resulted in hydrolysis of starch molecules and reduced the mechanical properties. Full article

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