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22 articles for “Recycled Polymers”
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Study of Recyclable Thermoset Polymers Using Dynamic Covalent Bonds
Abstract: Thermoset polymers are widely used in advanced engineering applications due to their excellent mechanical strength, thermal resistance, and chemical stability. However, their permanent three-dimensional cross-linked networks make them traditionally non-recyclable, contributing significantly to polymer waste and environmental challenges. In recent years, dynamic covalent chemistry (DCC) has emerged as a transformative approach for designing recyclable thermoset materials by incorporating reversible and exchangeable bonds within their structure. This project focuses on the …
Published in International Journal of Energetic Materials · Vol. 11, Issue 2, 2025 · pp. 1–10 Read article
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Green Engineering of Wood-Plastic Composites: Utilizing Recycled Plastics for Environmental Sustainability
Abstract: This study explores the fabrication of wood-plastic composites (WPCs) using recycled polymers and natural fibers, aiming to create a renewable and durable alternative to traditional wood products. Utilizing agricultural and industrial waste as the raw materials, the research integrates various polymer blends with wood flour and other lignocellulosic fibers, enhancing mechanical and thermal properties. The innovative approach involves modifying the polymer matrix with eco-friendly additives to improve compatibility, adhesion, and …
Published in International Journal of Green Chemistry · Vol. 10, Issue 2, 2024 · pp. 8–16 Read article
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Virgin-Recycled Thermoplastic Matrix Systems as Engineered Composite Materials: A Compositional Framework for Mechanical Property Retention in Secondary Polymer Supply Chains
Abstract: Virgin-to-recycled thermoplastic resin blends, while conventionally treated as simple two- component mixtures in secondary polymer supply chains, exhibit compositional and morphological characteristics that are more accurately described using the framework of engineered composite matrix systems. This paper presents a compositional framework for understanding and predicting mechanical property retention in virgin-recycled polypropylene (PP) and high-density polyethylene (HDPE) matrix systems, developed through more than twenty years of commercial secondary polymer distribution practice …
Published in International Journal of Composite Materials and Matrices · Vol. 12, Issue 2, 2026 Read article
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Fabrication of a Novel and Efficient Radiation Grafted Functionalized Polymer Adsorbent and Investigation of its Applicability in the Adsorptive Removal of Cr (VI) Ion from Aqueous Solution
Abstract: The grafting of glycidyl methacrylate (GMA) onto non-woven polyethylene (PE) fabric was accomplished using a radiation-initiated grafting technique. The grafted textiles were allowed to react using triethylamine to create functioning amine groups. Upon bond formation yield, the impact of grafting intensity has been examined. Utilizing the appropriate technologies, such as FTIR, TGA, and SEM, the adsorbents were rigorously examined. There was evidence of GMA grafting and diamines according to FTIR, …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 1–15 Read article
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Functional Rubber Particles and Their Applications- A Review
Abstract: Functional rubber powders (FRPs) are emerging as a potential class of materials derived primarily from end-of-life tires (ELTs) and other rubber scraps through mechanical, cryogenic, or de-vulcanization methods. These powders act as high-performance additives or reinforcing fillers in various engineering applications due to their low cost, improved surface properties, customizable particle sizes, and ability to undergo further chemical reactions. This review provides an overview of the production technologies, focusing on …
Published in International Journal of Chemical Separation Technology · Vol. 11, Issue 2, 2025 · pp. 8–16 Read article
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Similar Analysis of Blend of Virgin PVC and NBR with Recycled PVC and NBR
Abstract: Studies about led on mixing of polymers like acrylonitrile butadiene elastic (NBR) and polyvinylchloride (PVC) to deliver new polymeric materials with particular properties which can be utilized for some exceptional applications. This mix has been formulated for items working in contact with castor oils. Mixes at various temperature show that an ideal temperature exists for its arrangement. Incorporating PVC in various compositions has enhanced their physico-mechanical and chemical properties of …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 1, 2016 Read article
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Density-Based Separation and Polymer Type Verification of Mixed Post-ConsumerThermoplastic Streams: A Sequential Separation and Contamination Reduction Protocol for Secondary Polymer Supply Chains
Abstract: The separation of mixed post-consumer thermoplastic waste streams into polymer-type-specific fractions suitable for industrial reintegration is a fundamental chemical separation challenge in secondary polymer supply chains. Density-based separation, exploiting the characteristic density ranges of common thermoplastic polymers, remains the dominant first-stage separation technique in commercial recycling operations due to its low cost, scalability, and applicability across mixed waste stream compositions. This paper presents a sequential separation and contamination reduction protocol …
Published in International Journal of Chemical Separation Technology · Vol. 12, Issue 2, 2026 Read article
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An Investigation of Physico-mechanical Characterizations of Recycled Cellulose Fiber and Glass Fiber-polypropylene Hybrid Composite
Abstract: In the field of marine engineering design, polymeric composites reinforced with natural fibers are extensively used. The results of this study demonstrate that these properties can be enhanced by adding glass fiber (GF) to recycled cellulose fiber (rCF) plastic composites. The performance of rCF and rCF/GF hybrid polypropylene (PP) composites is being studied in the current experimental effort. On the tensile behavior and impact strength of composites containing 30 wt% …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 9, Issue 1, 2023 · pp. 1–10 Read article
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ABS Manufacturing Technologies and Its Industrial Applications- A Review
Abstract: Acrylonitrile Butadiene Styrene [ABS] is a widely used thermoplastic polymer known for its excellent balance of strength, impact resistance, and ease of processing. Its versatile properties make it a preferred material in industries such as automotive, electronics, construction, and consumer goods. This article explores the chemistry of ABS, highlighting the roles of acrylonitrile, butadiene, and styrene in determining its mechanical and thermal properties. Various manufacturing technologies, including emulsion polymerization and …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 2, 2025 Read article
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Green Hydrogen based Green Nanotechnology for Industrial Nano waste Treatment
Abstract: The research into nanowaste treatment and recycling is ongoing process. Particularly the development of new methods and technology for nanowaste treatment is a focus of most professionals, scientist and engineers. One of the developments among the emerging technology is the green nanotechnology, which is environmental friend, affordable, an alternative means of clean energy productions, and economically cost effective. This research is therefore, focused on assessment of chemical related waste and …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 41–48 Read article
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Green Nanotechnology: Principal Role of Green Nanoparticles in Environmental Remediation and Wastewater Treatment
Abstract: A recent development in nanotechnology is green nanotechnology. The major concerns of this technology are improving health status, ensuring sustainable energy, ensuring sustainable environmental and green economy, and reducing waste. This research is, therefore, concerned with the role of green nanotechnology and the potential role of green nanoparticles in environmental remediation and wastewater treatment. This technology is expected to effectively treat contaminated water, heavy metal-containing water, and polymer waste. Green …
Published in International Journal of Applied Nanotechnology · Vol. 11, Issue 1, 2025 · pp. 1–8 Read article
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Chemical Engineering Analysis of Polymer Composite Creation Using Sawdust, Sharp
Abstract: Polyethylene terephthalate (PET) is known for its general adoption for its lightweight and flexibility and durability nature. It is non-biodegradable and contributes majorly to water and land pollution. The amount of plastic-generated waste is increasing extensively following its usefulness there and the inability of users to properly dump or recycle it has resulted in a big threat to the environment. In this research work an attempt has been made to …
Published in International Journal of Chemical Engineering and Processing · Vol. 8, Issue 2, 2022 · pp. 17–29 Read article
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Plant-drive Waste Fiber Reinforced Thermoplastic Composites: Modification of Fiber Surface Treatment
Abstract: Plant fibers are being utilized more frequently to create polymer composite parts for the aerospace, construction, and automotive industries. The increased awareness of the toxicity of synthetic fibers is what has caused a rise in the use of plant fibers across a variety of industries. It is crucial to emphasize that "Earth needs humans, not humans need earth," hence decision-makers and researchers are working to replace conventional materials with eco-friendly …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 1, 2023 · pp. 14–23 Read article
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Physico-Mechanical and Degradation Properties on Agro-Waste Based Polymer Composites Reinforced with Banana Bunch Fiber
Abstract: The usage of banana bunch fibers in polymer composite parts for the automotive, aerospace, and construction industries is growing. As people grow more aware of the danger of synthetic fibers, banana bunch fibers are being used in an increasing variety of sectors. It is important to recognize that humans depend on the Earth for survival, not the other way around. This understanding drives scientists and policymakers to seek alternatives to …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 33–43 Read article
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Chemical Synthesis Strategies and Reaction Mechanisms in Self-Healing Polymeric Materials: A Comprehensive Review
Abstract: Self-healing polymeric materials are one of the most rapidly growing and technologically transformative classes of smart polymeric materials. Such materials offer the ability to autonomously repair damage and retain & restore functional performance. This capability is very important for polymers, which undergo mechanical failure, micro- cracking, delamination, photo-oxidation, or thermal degradation during service environments. The last decade has been remarkable for developments in self-healing polymers, ranging from extrinsic capsule-based approaches …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 1, 2026 · pp. 26–34 Read article
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Effect of Polystyrene Nanoparticles from Recycled Waste Material on the Properties of Asphalt
Abstract: There is growing concern in many parts of the world over the increasing stress placed on the asphaltic material used to pave streets, highways, and runways due to higher traffic volumes and climatic and other environmental factors (e.g., heat, storms, ultraviolet radiation). Adding asphalt modifiers (e.g., polymers) on both the micro and macro scales has improved this material’s physical and rheological properties, but recent research, especially in the field of …
Published in International Journal of Applied Nanotechnology · Vol. 8, Issue 2, 2022 · pp. 37–50 Read article
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Kinetic Study of Polyester Derived from Glycolyzed PET Waste With Varied Composition
Abstract: In this investigation, the production of secondary value-added products, such as saturated polyester, derived from the glycolysis of poly(ethyleneterephthalate) (PET) is examined as an effective way for PET recycling. The glycolyzed PET (GPET) obtained was reacted with mixture of phthalic anhydride and glycol with varied composition and their reaction kinetic were studied. During polyesterification it was observed that degree of polymerization (DPn) and extent of reaction (p) is increased, while …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 Read article
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Effects of Compatibilizer and Paper Sludge Content on the Performances of Thermoplastic Polymer Composites
Abstract: One of the environmental issues affecting third-world countries is the economic use of lignocellulose waste, which is now being researched. Paper sludge (PS) composites will allow for the effective use of a waste material that is currently burned or buried, as well as the ability to lower the cost of the composite that is created. In this study, the mechanical and thermalcharacteristics of environmentally friendly composites constructed from PS-reinforced recycled …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 8, Issue 2, 2022 · pp. 10–21 Read article
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Design and Commercial Validation of a Hierarchical Three-Tier Quality GradingSystem for Post-Industrial and Post-Consumer Recycled Thermoplastic Resins in US Industrial SupplyChains
Abstract: Quality grading systems for recycled thermoplastic resins providing industrial buyers with a standardized, documented quality classification framework for secondary raw material procurement are a foundational requirement for the reliable integration of recycled materials into industrial supply chains. Despite this requirement, no standardized grading scale has been established for post- industrial and post-consumer PP, HDPE, and LDPE resins in industrial supply chain contexts. This paper presents the design, operational implementation, and …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 2, 2026 · pp. 1–22 Read article
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Forefronts in degradation of wood
Abstract: Wood is an engineering material affected by bacteria, fungi assisted by moisture content in medium and recyclability of chemical conversion in wood by climate changes. Decay of wood is prevented by preservative and control of environment. Control of water content by modification improve durability or prevent basis of fungal decay. References of wood properties are studied from archeological stocks of ancient wood cultures exposed under different terrestrial and aquatic environments. …
Published in International Journal of Green Chemistry · Vol. 5, Issue 1, 2019 · pp. 15–23 Read article