1、Chitosan/Phytic Acid Polyelectrolyte Complex: A Green and

We describe the preparation and characterization of a green and renewable polyelectrolyte complex (PEC) containing phosphorus, nitrogen and carbon elements, based on the ionic complexation between chitosan and phytic acid.

2、Sustainable poly(vinyl alcohol)/chitosan electrospun nanofibers and

Sustainable poly (vinyl alcohol)/chitosan nanofibers and films with bioadditives are promising bacteriostatic biocompatible biomaterials with potential applications in wound healing, tissue engineering, food packaging and beauty industry products.

3、Thermal Degradation Kinetics of Chitosan/Phytic Acid Polyelectrolyte

Chitosan (CS) in slightly acidic solutions acts as a true polycation readily available for the negatively charged polyanions such as phytic acid (PA) to form polyelectrolyte complexes (PEC). These PECs depict unique properties by retaining the sustainable nature of the reactants involved.

4、Preparation and characterization of chitosan/poly(vinyl alcohol

Chitosan is degraded by enzymatic hydrolysis (Suh & Matthew, 2000), however its tensile strength and elasticity is not suitable for some biomedical applications such as wound dressing and skin tissue replacement. Chitosan joined to other polymers opened a window of research for altering or tailoring the property of interest.

Mechanical, Dielectric and Thermal Decomposition properties of Ethylene

In order to better understand the thermal decomposition and further analyse the recycling of the developed composites, kinetic parameters and thermodynamic properties of EVA/chitosan-g-PANi...

Chitosan/Phytic Acid Polyelectrolyte Complex: A Green and Renewable

Self-Extinguishing Additive Manufacturing Filament from a Unique Combination of Polylactic Acid and a Polyelectrolyte Complex.

Chitosan/Phytic Acid Polyelectrolyte Complex: A Green and

Introduction of this PEC to ethylene–vinyl acetate copolymer (EVA) leads to an improvement of the flame retardancy. As for the EVA/PEC composites with 20.0 wt % of PEC (EVA/20PEC), the char residue at 600 °C is 12 wt % higher than that of the pristine EVA under nitrogen atmosphere.

Effect of composition and structure of ethylene

In this work, we conduct experimental and computational investigations to examine the alcoholysis kinetics and mechanism of EVA with an ethylene content if less than 50 mol%. Our findings indicate that the overall structure of EVA polymer chain has little effect on the alcoholysis rate.

Synthesis and properties of chitosan‐modified poly (vinyl acetate

All the experimental results indicated that the chitosan molecules not only took part in the graft copolymerization, but also served as a surfactant, providing the stability of the dispersion particles. If the dispersion aqueous solution was oven‐dried, a particulate membrane was formed.

Chitosan/Phytic Acid Polyelectrolyte Complex: A Green and

We describe the preparation and characterization of a green and renewable polyelectrolyte complex (PEC) containing phosphorus, nitrogen and carbon elements, based on the ionic complexation between chitosan and phytic acid.

Under the rapid advancement of modern science and technology, the field of biomaterials has continuously emerged with remarkable innovative achievements. Among these, the combined use of chitosan and ethylene-vinyl acetate (EVA) not only demonstrates the boundless possibilities of scientific exploration but also pioneers new pathways for human health and environmental protection. This article delves into the application prospects of this innovative material and its potential impact on human society.

Chitosan, a natural high-molecular-weight polysaccharide, boasts excellent biocompatibility and biodegradability. Its molecular chains are rich in amino and hydroxyl groups, endowing it with strong adsorption properties and antibacterial capabilities. These characteristics make chitosan an ideal choice for biomedical materials.

pure chitosan materials have certain limitations in practical applications. For instance, their low mechanical strength restricts their use in hard tissue repair, while their hydrophilic nature compromises stability in drug delivery systems. To address these shortcomings, scientists have begun exploring composites of chitosan with other materials to achieve superior performance.

Ethylene-vinyl acetate (EVA), a common polymer, is widely used in industrial products due to its excellent mechanical properties, chemical stability, and ease of processing. Combining EVA with chitosan leverages EVA’s high mechanical strength to enhance chitosan’s structural integrity. Additionally, EVA modification can improve chitosan’s biocompatibility and biodegradability.

The preparation methods for this composite material are diverse, including solution blending, melt blending, and interfacial polymerization. By adjusting factors such as EVA dosage, type, and chitosan concentration, the composite’s properties can be optimized. For example, increasing EVA content boosts mechanical strength, while introducing specific functional groups or grafting techniques can further modify chitosan to enhance its bioactivity.

One of the most promising applications of chitosan-EVA composites lies in the medical field. Thanks to chitosan’s inherent biocompatibility and biodegradability, it holds vast potential in biomedicine. For instance, it can serve as a scaffold for bone repair, supporting the growth and regeneration of new bone cells, or act as a drug carrier for targeted delivery and controlled release.

EVA’s high mechanical strength enables the use of chitosan composites in surgical settings. During operations, these composites can be employed as sutures or fixation devices, ensuring precision while reducing postoperative complications.

Despite its tremendous potential, the practical application of chitosan-EVA composites faces challenges. These include improving mechanical performance to meet严苛 conditions, reducing production costs for large-scale manufacturing, and ensuring safety and efficacy.

To overcome these hurdles, scientists must persist in fundamental research and applied development. By deepening understanding of the composite’s microstructure and physicochemical properties, tailored materials can be designed for specific needs. Optimizing production processes and equipment can enhance efficiency and lower costs. Additionally, rigorous safety evaluations and clinical trials are essential to validate real-world effectiveness.

Looking ahead, chitosan-EVA composites are poised to revolutionize multiple fields, from medical devices to everyday products. With ongoing scientific progress and societal development, this innovative material is expected to deliver even greater surprises and conveniences.