Tunable Mechanical, Electrical, and Thermal Properties of Polymer Nanocomposites through GMA Bridging at Interface

Abstract

Polymer nanocomposites (PNCs) have become an exciting field of current research and have attracted a huge interest among both academia and industry during the last few decades. However, the multifunctional single-nanocomposite film exhibiting the combination of desired structure and properties still remains a big challenge. Herein, we report a novel strategy to address these problems by using versatile polymer glycidyl methacrylate (GMA) as a bridging medium between the filler and the polymer matrix, resulting in high density of interfaces as well as strong interactions, which lead to generation of tunable thermal, mechanical, and electrical properties in the materials. The nanocomposites prepared by GMA bridging exhibit the remarkable combination of thermal ( T d = 342.2 °C, T g = 150.1 °C ), mechanical ( E = 7.6 Gpa and H = 0.45 Gpa ) and electrical (σ = 3.15 × 10 −5 S/cm) properties. Hence, the conjugation approaches related to GMA bridging facilitate a new paradigm for producing multifunctional polymer nanocomposites having a unique combination of multifunctional properties, which can be potentially used in next-generation polymer-based advanced functional devices.

3D Printable Sustainable Composites with Thermally Tunable Properties Entirely from Corn-Based Products

“…In addition to microstructure and density tunability, preheating treatment greatly affected the fraction of hydrogen bond formation at the fiber–matrix interface. The hydrogen bonds are responsible for strengthening the intramatrix (i.e., between amylopectin molecules) and fiber–matrix interfaces. ,− Such a strengthening mechanism contributes significantly to the composite’s mechanical properties. − Hydrogen bonding forms when hydroxyl (OH) and carboxylic acid (COOH) groups are present in fibers and matrix. ,, Figure d shows FTIR spectra for 6–14 min preheated samples. The O–H stretch for a hydroxyl group appeared as a band in the region of 3000–3600 cm –1 , centered at about 3299 cm –1 .…”

Emerging Trends in Nanomaterials for Photosynthetic Biohybrid Systems

“…Conductive polymers are alternative nanomaterials that can help overcome energy crises the world is facing and sustain viable environmental and climatic conditions. These nanomaterials show not only metal-like but also semiconductor properties with π-conjugated hetero (aromatics) capable of transporting charges and efficiently interacting with light. − The good biocompatibility of polymers has enhanced microorganism viability in biohybrid systems because the interaction between polymer and microorganism is only Coulombic interactions and hydrophilicity and is affected by polymer structure and surface of microorganism . Thus, organic-conjugated polymers may offer excellent opportunities to develop efficient CO 2 -to-multicarbon conversion biohybrid systems.…”

“…The alteration of plastic to rubber-like material can be set in polymer material with adjusting glycerol content in hydrogen-bounded poly­(vinyl alcohol)-glycerol intermolecular complexes . Not only mechanical properties but also electrical and thermal properties of polymer is tunable by additional doping or modification bridging agent interface between polymer matrix and filler . Thus, polymers are naturally insulator tunable to conductive.…”

“…107 Not only mechanical properties but also electrical and thermal properties of polymer is tunable by additional doping or modification bridging agent interface between polymer matrix and filler. 108 Thus, polymers are naturally insulator tunable to conductive.…”

Supertoughened Polylactic Acid/Polybutylene Adipate Terephthalate Blends Compatibilized with Ethylene-Methyl Acrylate-Glycidyl Methacrylate: Morphology and Mechanical Properties by the Response Surface Methodology

“…Kumar et al demonstrated that the effect of glycidyl methacrylate (GMA) was pronounced in shifting the melting temperature of PLA–PBAT compounds, although its influence on toughening PLA was very limited. In fact, GMA can act as a bridging medium between fillers and polymeric matrices, strengthening the interfaces . Likewise, ethylene-methyl acrylate-glycidyl methacrylate (EMA-GMA), an inexpensive commercial compatibilizer, may contribute to bond formation between its epoxy-terminated groups and the hydroxyl end-groups in PLA.…”