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Organic-Inorganic Hybrid Materials, 4th Edition

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Composites and Nanocomposites".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 2832

Special Issue Editors


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Guest Editor
Polymer Engineering Group (GIP), Polymer Science and Technology Institute (ICTP), Spanish Council for Scientific Research (CSIC), 28006 Madrid, Spain
Interests: polymers and environment; heterogeneous materials based on polymers; polyolefins; interfacial agents; interphase; interface; functionalization; plastic wastes; blends; composites
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Polymer Engineering Group (GIP), Polymer Science and Technology Institute (ICTP), Spanish Council for Scientific Research (CSIC), 28006 Madrid, Spain
Interests: polymers and environment; heterogeneous materials based on polymers; polyolefins; interfacial agents; interphase; interface; functionalization; plastic wastes; blends; composites
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue is devoted to one of the most attractive fields in material science and technology research. The concept of organic–inorganic hybrid materials can be applied to a wide variety of approaches at present, including those considering matrices of inorganic or organic nature. Hence, sol–gel processes allow for the encapsulation of organic functionalities within inorganic matrices, the polymerization of organoalkoxyxilanes, and the functionalization of inorganic substances such as micro- or nanofillers with organic and/or inorganic molecules that interact with organic matrixes to provide enhanced properties. Nevertheless, it is the interphase between the components that becomes the critical aspect to consider in research activities with this type of advanced material; thus, any effort to enhance and understand these interactions will be key to obtaining these materials with “tailor-made” organized structures at the subsequent nano, meso, micro, and macro scales.

Dr. Jesús-María García-Martínez
Dr. Emilia P. Collar
Guest Editors

Manuscript Submission Information

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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. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • hybrid inorganic/organic polymer-based materials
  • heterogeneous materials based on polymer interfaces
  • interphase
  • functionalization
  • sol–gel
  • chemical modification
  • composites

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Published Papers (2 papers)

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18 pages, 7536 KiB  
Article
Organic–Inorganic Hybrid Nanoparticles for Enhancing Adhesion of 2K Polyurethane to Steel and Their Performance Optimization Using Response Surface Methodology
by Thu Thuy Duong, Manh Linh Le, Changhoon Lee and Juyoung Kim
Polymers 2024, 16(19), 2816; https://doi.org/10.3390/polym16192816 - 4 Oct 2024
Viewed by 1203
Abstract
Automakers are focusing on lightweight vehicles to address fuel economy and emission challenges and are using high-performance materials such as 2K PU-based joints as alternatives to cast iron, steel, and other metals. This study was conducted with the aim of expanding the application [...] Read more.
Automakers are focusing on lightweight vehicles to address fuel economy and emission challenges and are using high-performance materials such as 2K PU-based joints as alternatives to cast iron, steel, and other metals. This study was conducted with the aim of expanding the application of 2K PU and enhancing its compatibility with steel substrates, which are commonly used in the automotive manufacturing industry, through the use of O-I hybrid nanoparticles containing alkoxysilane groups as additives in the 2K PU formulation. At the same time, the simplified process introduced and examined in this study demonstrates its feasibility for industrial-scale applications; the process offers notable advantages in reducing workload and curing time by eliminating cumbersome surface pretreatment steps before applying the 2K PU layer. Two types of commercial SB PU and EB PU were selected to study the mechanism by which O-I hybrid NPs enhance adhesion when integrated directly into the 2K PU formulation. We optimized various input parameters through practical work and modeling using the response surface method. These parameters included the amounts of AFAP precursor, APTES, and butylene glycol (BG) and the mixing ratio of O-I hybrid NPs in the formulations of two commercial PUs. The results show that O-I hybrid NPs significantly enhance adhesion, increasing performance on stainless surfaces by up to 2.35 times compared to pristine EB and SB PU. Notably, the SB PU’s performance can improve up to 2.5 times according to the RSM predictions, highlighting the substantial impact of O-I hybrid NPs. Full article
(This article belongs to the Special Issue Organic-Inorganic Hybrid Materials, 4th Edition)
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9 pages, 4183 KiB  
Article
The Influence of Different Sera on the Anti-Infective Properties of Silver Nitrate in Biopolymer Coatings
by Melanie Nonhoff, Jan Puetzler, Julian Hasselmann, Manfred Fobker, Silke Niemann, Georg Gosheger and Martin Schulze
Polymers 2024, 16(13), 1862; https://doi.org/10.3390/polym16131862 - 29 Jun 2024
Viewed by 1257
Abstract
The widespread prevalence of periprosthetic joint infections (PJIs) poses significant challenges in orthopedic surgeries, with pathogens such as Staphylococcus epidermidis being particularly problematic due to their capability to form biofilms on implants. This study investigates the efficacy of an innovative silver nitrate-embedded poly-L-lactide [...] Read more.
The widespread prevalence of periprosthetic joint infections (PJIs) poses significant challenges in orthopedic surgeries, with pathogens such as Staphylococcus epidermidis being particularly problematic due to their capability to form biofilms on implants. This study investigates the efficacy of an innovative silver nitrate-embedded poly-L-lactide biopolymer coating designed to prevent such infections. The methods involved applying varying concentrations of silver nitrate to in vitro setups and recording the resultant bacterial growth inhibition across different serum environments, including human serum and various animal sera. Results highlighted a consistent and significant inhibition of S. epidermidis growth at all tested concentrations in each type of serum without adverse interactions with serum proteins, which commonly compromise antimicrobial efficacy. This study concludes that the silver nitrate-embedded biopolymer coating exhibits potent antibacterial properties and has potential for use in clinical settings to reduce the incidence of PJIs. Furthermore, the findings underscore the importance of considering serum interactions in the design and testing of antimicrobial implants to ensure their effectiveness in actual use scenarios. These promising results pave the way for further research to validate and refine this technology for clinical application, focusing on optimizing silver ion release and assessing biocompatibility in vivo. Full article
(This article belongs to the Special Issue Organic-Inorganic Hybrid Materials, 4th Edition)
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