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Review
Polymer Science
Necar Merah et al.
Summary: This comprehensive review paper examines the research work on epoxy clay nanocomposites. It covers the influence of processing techniques and parameters on the nanocomposite morphology, characterization methods, and the effects of adding nanoclay on the mechanical and physical properties of the composite. The review also discusses the advancements, characterization, and applications of hybrid glass fiber reinforced epoxy-clay nanocomposites, as well as potential health and environmental issues related to nanomaterials and their hybrid composites.
Article
Polymer Science
Sitong Zhang et al.
Summary: This study investigates the use of fly ash as a partial replacement of conventional filler in polyurethane grouting materials. The research shows that a higher fly ash content leads to increased porosity and decreased mechanical properties of the composite materials. However, surface-modified fly ash improves thermal stability, hydrophobicity, and flammability resistance of the composites.
Article
Polymer Science
Zhuoran Zhang et al.
Summary: In this study, MXene-organic hybrid nanosheets were applied as nanofillers in polystyrene (PS) to enhance its thermal stability and flame retardancy. The addition of MXene-organic hybrid nanosheets significantly reduced the peak heat release rate (pHRR) of PS and increased its thermal stability.
Article
Polymer Science
Diego Pugliese et al.
Summary: In this study, the effects of incorporating phosphate glass micrometric powder on UV-LED curable acrylic films were thoroughly investigated. The presence of the glass powder slightly increased the glass transition temperature of the acrylic network but had a limited effect on chain segments mobility. Increasing filler loadings decreased the transparency of films but had a marginal effect on their refractive index. The addition of phosphate glass significantly improved the thermal and thermo-oxidative stability of the cured products and enhanced the flame retardance of the acrylic network.
Article
Polymer Science
Yuanzhao Zhu et al.
Summary: Common flame retardants, such as halogen-based materials, are being phased-out due to their harmful effects on the environment and health. This study demonstrates that polyphosphazene-based flame retardants, specifically those with capsicum-like nanotube morphology, are effective and environmentally-friendly alternatives. The innovative design and synthesis of morphology-controlled nanomaterials contribute to enhanced flame retardant properties.
Article
Polymer Science
Quim Tarres et al.
Summary: The stiffness, lightweight, and environmental impact of materials are important factors to consider in manufacturing structural materials. Bio-based materials are promising candidates for their lightweight and low environmental impact. Through the study of composite materials using corn stover fibers as bio-polyethylene reinforcement, it was found that an appropriate amount of coupling agent can enhance the stiffness and processability of the materials.
Article
Polymer Science
Ferran Serra-Parareda et al.
Summary: This study focuses on using different types of natural fibers to produce biocomposites, with at least the matrix or reinforcement phases obtained from natural and renewable resources. The stiffness, deformation characteristics, and intrinsic modulus of the reinforcements were evaluated using macromechanics and micromechanics analyses, comparing the results to conventional synthetic composites reinforced with glass fibers. The study also explores the potential of using natural fibers in specific properties or applications.
Article
Polymer Science
Ferran Serra-Parareda et al.
Summary: The study estimated the Young's modulus of henequen fibers in PP-based composites through micromechanical modeling and single filament tensile testing, confirming the potential of henequen fibers as reinforcement for PP. Adding 4% of maleic anhydride grafted polypropylene improved interfacial adhesion and increased the composite's Young's modulus up to 6.4 GPa at 50 wt.% fiber content. Henequen fibers exhibited a comparable stiffening capacity to glass fibers, and established models predicted intrinsic Young's modulus values of 30.5 and 34.6 GPa, with a corrected modulus of 33.3 GPa from filament testing.
Article
Polymer Science
Rudolf Kiefer et al.
Summary: The study demonstrates that by altering the potential window and increasing the driving frequency, multifunctionality can be controlled in Cell-CNT fibers. The activity of the fibers also shifts as the potential window moves towards positive values.
Article
Polymer Science
Mohsen Bahrami et al.
Summary: Polyamide 11 (PA11) and polyamide 12 (PA12) have similar backbones but differ in origin, with PA11 being a bioplastic compared to oil-based PA12. This study characterizes and compares their properties, showing PA12's higher crystallinity leads to better mechanical and durability properties. Experimental results demonstrate the differences in ductility and water absorption between the two polyamides.
Article
Polymer Science
Claudia Forte et al.
Summary: The study found that M-GLY treated cotton forms more highly condensed aromatic structures during heating, providing better fire resistance compared to untreated cotton.
Article
Polymer Science
Angxuan Wu et al.
Summary: The study focused on improving the mechanical properties of buried bellows by using fly ash as a filler, which significantly increased the strength and modulus of the composites at specific proportions. The preparation method is simple, efficient, and low-cost, making it significant for the promotion of high-performance bellows and the high value-added utilization of fly ash.
Article
Polymer Science
Nguyen Quang Khuyen et al.
Summary: The study showed that composites based on linen and silk fabrics combined with different adhesives-polymers can improve the performance of laminates. In these composites, besides the strength of the fabrics themselves, the adhesives-polymers play a crucial role in determining the performance of the laminates. The mechanical properties of these laminates were characterized through scanning electron microscopy and FTIR spectroscopy, demonstrating the effectiveness of different adhesive polymers in enhancing their performance.
Article
Polymer Science
Venkatachalam Gopalan et al.
Summary: This study investigates the buckling characteristics of a sustainable green composite in loadbearing structural applications through experimental and numerical methods, focusing on its behavior under axial compressive loads. By exploring the feasibility of using the green composite in various structural applications, the study highlights the potential for its widespread adoption as a sustainable alternative to synthetic composites.
Article
Polymer Science
Fatin Najwa Joynal Abedin et al.
Summary: The incorporation of talc reduces the stiffness of composites, while the addition of graphene oxide and SEBS-g-MAH significantly improves the mechanical and thermal properties of ABS polymer matrix. ABS/talc composites prepared through melt mixing showed increased tensile strength, flexural strength, and flexural modulus, as well as comparable impact strength to ABS. The addition of GO and SEBS-g-MAH also provided higher thermal stability for both composites with and without talc.
Article
Polymer Science
Chen Chen et al.
Summary: This study introduces a novel sandwich structure that enhances mechanical properties by replacing the polypropylene foam core with carbon fiber non-woven material. The results show significant improvements in compressive strength and impact resistance, particularly with the addition of tufting yarns.
