Materiales

 

Materiales

Recent advances and challenges in thermal stability of PVA?based film: A review
23/02/2024 - Food packaging film is being developed using biodegradable polymers to prolong the shelf life of foods and address the environmental damage caused by non?biodegradable plastics. Poly(vinyl alcohol)...
An A2?+?CB2 approach to the synthesis of hyperbranched polyester polyol and application in PU coatings
08/02/2024 - AbstractIn the present work, neopentyl glycol was used as a core for the synthesis of hyperbranched polymer by melt condensation polymerization with 2,2-Bis(hydroxymethyl) propionic acid. The...
The Effects of a Crosslinking Agent on the Microrheological Properties and Cellular Structure of Silicone Rubber Foam Prepared via a Green Process
01/02/2024 - Chemical foaming technology is widely used in the preparation of silicone rubber foam and is attributable to its one-step molding capability and eco-friendly production processes. The...
Thermodynamic Parameters of Crosslinked Elastomers (BR, SBR and NBR) and Their Blends
28/01/2024 - Herein, a methodology is employed based on the Flory–Rehner equation for estimating the Flory–Huggins interaction parameter (χ12*) of crosslinked elastomer...
A Study on the Performance of Asphalt Modified by Desulfurized Waste Rubber/Ethylene Vinyl Acetate Composite with Additives
29/01/2024 - The recycling of waste tires avoids the environmental hazards of landfills and incineration, and its application in asphalt modification achieves resource sustainability. Currently, desulfurized...
Three-Dimensional-Printed Sodium Alginate and k-Carrageenan-Based Scaffolds with Potential Biomedical Applications
23/01/2024 - This work reports the development of a marine-derived polysaccharide formulation based on k-Carrageenan and sodium alginate in order to produce a novel scaffold for engineering applications. The...
Photo- and pH-dually responsive hydrogel containing spirooxazine groups
21/01/2024 - Abstract The development of a low-cost and multifunctional sensing and monitoring device would be a meaningful endeavor. In this research, a novel spirooxazine with a two...
Probing the interface structure of block copolymer compatibilizers in semicrystalline polymer blends
16/01/2024 - Star?shaped polycaprolactone into chitosan?based networks (CS/stPCL) networks via urethane/urea linkages. CS/stPCL networks via urethane/urea linkages.AbstractA chitosan?based network was fabricated...
Synthesis and Modification of a Natural Polymer with the Participation of Metal Nanoparticles, Study of Their Composition and Properties
18/01/2024 - A magnetic polymer material based on natural polymers—humic acids and magnetite, pre-configured for the sorption of a metal ion—was obtained. The magnetic polymer material...
Optimizing the preparation of xanthate-modified polyvinyl alcohol adsorbent and its adsorption to Cu (II)
10/01/2024 - Abstract To enhance the adsorption capacity of polyvinyl alcohol (PVA) for heavy metals, PVA was selected as raw material and used glutaraldehyde as a crosslinking agent to...
Effect of Protein Surface Hydrophobicity and Surface Amines on Soy Adhesive Strength
10/01/2024 - Soy is considered one of the most promising natural materials for manufacturing wood adhesives due to its low cost, high protein content, and ready availability. However, more cost-effective ways of...
Poly(ethylene glycol) Methyl Ether Acrylate-Grafted Chitosan-Based Micro- and Nanoparticles as a Drug Delivery System for Antibiotics
02/01/2024 - Nanotechnology is the science of creating materials at the nanoscale by using various devices, structures, and systems that are often inspired by nature. Micro- and nanoparticles (MPs, NPs) are...
Enhanced DC Dielectric Properties of Crosslinked Polyethylene Comprehensively Modified by the Grafting of a Multifunctional Voltage Stabilizer
29/12/2023 - In this paper, a new multifunctional compound, 1,1′-(oxalylbis(4,1-phenylene))bis(1H-pyrrole-2,5-dione) (BVM), is grafted onto crosslinked polyethylene (XLPE) by radical-initiated...
Switchable Redox and Thermo?Responsive Supramolecular Polymers Based on Cyclodextrin?Polyoxometalate Tandem
26/12/2023 - Supramolecular polymers built from stimuli?responsive host?guest interactions represent an attractive way of tailoring smart materials. Herein, we exploit the chaotropic effect of polyoxometalates...
Triple?chain segments regulation enable shape memory and photo deformation of smart polyimide
27/12/2023 - Integration of controllable deformation with excellent thermal stability, mechanical, and insulation properties can greatly expand the versatility of smart polyimides (PIs). However, the unique...
The Potential of Soluble Proteins in High-Moisture Soy Protein–Gluten Extrudates Preparation
12/12/2023 - In this study, the effects of different soluble proteins, including collagen peptides (CP), soy protein hydrolysate (HSPI), whey protein isolate (WPI), sodium caseinate (SC), and egg white protein...
Effect of Residue Acrylic Monomers in Synthesized Solvent-Free Photoreactive Pressure-Sensitive Adhesives on the Main Properties of Transfer Tapes Applied to Joining Wooden Elements
08/12/2023 - This publication describes the influence of residue monomers in synthesized pressure-sensitive adhesives based on acrylics on their main properties—tack, peel adhesion, shear strength...
Hydrophobic, Self-Cleaning and Ultraviolet Protective Fibers achieved by Graphene Oxide Nanosheets Functionalized via Poly(Glycidyl Methacrylate) Nanoparticles
06/12/2023 - We developed a highly hydrophobic, UV-protective, and self-cleaning cotton fabric by incorporating graphene oxide (GO) nanosheets and poly(glycidyl methacrylate) nanoparticles (PGMA NPs). The GO...
Vat photopolymerization printing of strong tear?resistance and stretchable polyurethane elastomer for highly sensitive strain sensors
23/11/2023 - Conductive photosensitive polyurethane composite and PSL strain sensor.Herein, a polyurethane elastomer reinforced with SiO2 nanoparticles modified with 3?(trimethoxysilyl) methacrylate was proposed,...
Recent development advances in bio-based powder coatings: a review
20/11/2023 - AbstractSustainability has increasingly become a cornerstone of the chemical industry. Sustainability metrics include low volatile organic compound (VOC) content, high efficiency, low toxicity,...
Polyvinyl Alcohol/Nafion®–Zirconia Phosphate Nanocomposite Membranes for Polymer Electrolyte Membrane Fuel Cell Applications: Synthesis and Characterisation
- PVA (polyvinyl alcohol)-ZrP (PVA/ZrP) and Nafion®/PVA-ZrP nanocomposite membranes were synthesised using the recasting method with glutaraldehyde (GA) as a crosslinking agent. The...