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Relevant bibliographies by topics / Plastic Materials - Degradation

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Academic literature on the topic 'Plastic Materials - Degradation'

Author: Grafiati

Published: 1 June 2024

Last updated: 31 July 2025

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Journal articles on the topic "Plastic Materials - Degradation"

1

Chandran, R. Rameshwar, Benjamin Isaac Thomson, A. J. Natishah, Jennita Mary, and Valli Nachiyar. "Nanotechnology in Plastic Degradation." Biosciences Biotechnology Research Asia 20, no. 1 (2023): 53–68. http://dx.doi.org/10.13005/bbra/3068.

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Plastics pose a huge threat to the environment. Plastic accumulation in the land and the seas is now the world’s most terrorising problem, mainly because of its non-degrading character. Plastic degradation has always been a next to impossible concept in the field of science, but nanotechnology provides a revolutionary and modern way to solve the problem of plastic accumulation in the environment. One of the great advantages of nanoparticles is that we can increase and decrease the rate of biodegradation depending on our needs. Nanoparticles enhance the polythene degradation capacity of the mic

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An, Rongrong, Chengguo Liu, Jun Wang, and Puyou Jia. "Recent Advances in Degradation of Polymer Plastics by Insects Inhabiting Microorganisms." Polymers 15, no. 5 (2023): 1307. http://dx.doi.org/10.3390/polym15051307.

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Plastic pollution endangers all natural ecosystems and living creatures on earth. Excessive reliance on plastic products and excessive production of plastic packaging are extremely dangerous for humans because plastic waste has polluted almost the entire world, whether it is in the sea or on the land. This review introduces the examination of pollution brought by non-degradable plastics, the classification and application of degradable materials, and the current situation and strategy to address plastic pollution and plastic degradation by insects, which mainly include Galleria mellonella, Zop

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Bartoníček, B., V. Hnát, I. Janovský, and R. Pejša. "Radiation degradation of plastic insulating materials." Radiation Physics and Chemistry 46, no. 4-6 (1995): 797–800. http://dx.doi.org/10.1016/0969-806x(95)00264-x.

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Kannahi, M., and T. Thamizhmarai. "Biodegradation of Plastic by AspergillusSP." International Journal of Trend in Scientific Research and Development 2, no. 3 (2018): 683–90. https://doi.org/10.31142/ijtsrd7026.

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Plastics are light weighted, durable, corrosion resistant materials, strong, and inexpensive. Scientists have reported many adverse effects of the plastic in the environment and human health. Nowadays biodegradable plastics are considered as the environmental friendly. The plastic polymers as such at room temperatures are not considered as toxic. The toxic properties are found in plastics, when heat is released from the food material in which they are covered and then they produce serious human health problems. This review articles covers the list of biodegradation of plastics, some factors th

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Báez-Flores, María Elena, Martín Ernesto Tiznado-Hernández, Martina Hilda Gracia-Valenzuela, and Rosalba Troncoso-Rojas. "Biosphere Plastic Contamination and Microbial Alternatives for a Sustainable Degradation of Plastic Waste." Microorganisms 13, no. 6 (2025): 1246. https://doi.org/10.3390/microorganisms13061246.

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In the mid-twentieth century, the solid waste generated was mostly made of biodegradable materials. However, the invention of plastic and its widespread use have led to a staggering accumulation of plastic in the environment, posing a severe threat to the biosphere. The environmental degradation of plastic can take thousands of years and poses a significant concern for environmental and human health. Until recently, it was thought that some plastics were non-biodegradable; however, there are microorganisms capable of degrading both plastics derived from fossil resources and those from biomass

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Sunil, Kumar Dhiman, Gupta Rajni, . Sachin, Raj Rohit, and Babu Ram. "Microbes in Plastic Degradation." International Journal of Current Science Research and Review 07, no. 07 (2024): 5118–31. https://doi.org/10.5281/zenodo.12751014.

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Abstract : Due to increasing production of plastic and its piling up is a critical concern hence ways to degrade the plastic needs to be sought out. Microplastics (MPs) of the size of micron or less have been found everywhere, even in human blood, highlighting the adversity of the situation. Natural and microbial degradation mechanisms of MPs, focusing on polyethylene (PE) and polyethylene terephthalate (PET) have been explored by the study. Natural degradation is hindered by stability and hydrophobic properties of the polymers. Despite recycling efforts, a significant portion of PET waste end

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Geambulat, Aila-Elmaz, Tănase Dobre, and Claudia-Irina Koncsag. "Experimental investigations on polyethylene and polyethylene terephthalate microplastics’ degradation. A review." Ovidius University Annals of Chemistry 33, no. 2 (2022): 156–65. http://dx.doi.org/10.2478/auoc-2022-0023.

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Abstract A topic of high interest, the plastic degradation in the environment, is approached in this work, to serve for future research. The problem of plastics pollution became critical with the exponential development of plastic materials industry in last decades. Soil and water are primarily polluted, then degradation to microplastics leads to spatial distribution of plastic debris in all ecosystems. Slow natural degradation and pollutants accumulation on the plastic particles are responsible for environment unbalancies. This work follows the new research about the induced degradation metho

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Gabriel, Djoko Sihono, and Angga Ananditto. "Effect of Repetitive Recycling on the Mechanical Properties of Polypropylene Blends Based on Material Value Conservation Paradigm." Materials Science Forum 1015 (November 2020): 70–75. http://dx.doi.org/10.4028/www.scientific.net/msf.1015.70.

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Contaminated plastic waste if undergo a mechanical recycling process will have a low value. This can be overcome by repetitive implementation of Material Value Conservation (MVC) through material purity protection from design stage to the end of the material life cycle. Repetition of recycling up to eight times caused degradation of mechanical properties of plastics by up to 20%. The repetition was done on a laboratory scale with pure polypropylene as raw material. This research was conducted to overcome the degradation of plastic properties by mixing recycled plastic pellets with virgin plast

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Schwarz, Weike, Stina Wegener, Gerhard Schertzinger, et al. "Chemical and toxicological assessment of leachates from UV-degraded plastic materials using in-vitro bioassays." PeerJ 11 (April 11, 2023): e15192. http://dx.doi.org/10.7717/peerj.15192.

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The broad use of plastics and the persistence of the material results in plastic residues being found practically everywhere in the environment. If plastics remain in the (aquatic) environment, natural weathering leads to degradation processes and compounds may leach from plastic into the environment. To investigate the impact of degradation process on toxicity of leachates, different types of UV irradiation (UV-C, UV-A/B) were used to simulate weathering processes of different plastic material containing virgin as well as recyclate material and biodegradable polymers. The leached substances w

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Singh, Prashant, Ranjan Singh, Anshul Singh, and Ajad Patel. "Biodegradation of Microplastic: A Sustainable Approach." International Journal of Current Microbiology and Applied Sciences 12, no. 11 (2023): 177–93. http://dx.doi.org/10.20546/ijcmas.2023.1211.015.

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Annual production of plastic has increased the 390.7 million metric tons in 2021 and plastic’s reprocessing has all but its sustainable solution for disposal of plastic waste has been unsuccessful. Plastic materials (fragments) are continuously accumulating in the environment, like, in sea, soil, air, rivers as well as oceans. Microplastic contamination is becoming a major concern worldwide. Nowadays, scientists are developing sustainable idea for the degradation of plastic waste with the help of microorganisms. In biodegradation of microplastics by microorganisms like fungi and bacteria are p

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Dissertations / Theses on the topic "Plastic Materials - Degradation"

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Gregory, P. W. "Finite elastic-plastic deformations of highly anisotropic materials." Thesis, University of Nottingham, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282601.

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Halliwell, Susan M. "Weathering of plastics glazing materials." Thesis, Loughborough University, 1996. https://dspace.lboro.ac.uk/2134/15369.

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Plastics glazing materials have properties which allow their widespread use in construction, for example as rootlights. However, they are more susceptible than is glass to degradation by weathering, notably the combined effects of ultraviolet light, heat and moisture. Examples of unacceptable durability have been seen in practice, particularly when high operating temperatures occur in sunlight. Artificial weathering tests are used to assess plastics glazing materials in a reasonably short time, two main types being utilised in this study. The applicability of ultra-fast methods of accelerated

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Li, Junhong. "Elastic - plastic interfacial crack problems." Thesis, University of Glasgow, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297517.

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Davenport, James Charles William. "Mixed mode elastic-plastic fracture." Thesis, University of Bristol, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357788.

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Viesca, Lobaton Gabriel D. "Fatigue crack propagation in plastic fields." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301842.

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Resen, Abdul-Amir S. "Biaxial creep of plastics." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.256753.

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Stelmashenko, Nadia. "Microstructural studies of plastic indentations at low loads." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390178.

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Lim, Chwee-Teck. "Effects of compliance and friction on elastic-plastic impact." Thesis, University of Cambridge, 1996. https://www.repository.cam.ac.uk/handle/1810/273133.

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Wahl, Aurélie. "Distribution et comportement de débris plastiques dans un sol agricole amendé en compost de déchets ménagers." Electronic Thesis or Diss., Rennes 1, 2022. http://www.theses.fr/2022REN1B031.

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Les déchets plastiques s’accumulent dans tous les compartiments environnementaux, et cette présence suscite un vif intérêt de la part de la communauté scientifique. Pourtant, leur étude dans les sols n’est que très récente par rapport aux rivières et océans. Ce travail de doctorat s’est donc concentré sur le comportement des micro- et nanoplastiques et des contaminants associés issus de l’amendement en compost de déchets ménagers, enrichi en débris plastiques dans un sol agricole. Les microplastiques collectés dans le sol ont un degré d’altération avancé qui favorise la libération de petites p

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Goldthorpe, Martin Richard. "An elastic-plastic finite element program with applications to cracked bodies." Thesis, University of Sheffield, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315414.

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Books on the topic "Plastic Materials - Degradation"

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Rosa, Maria I. De. Oxidative thermal degradation of PVC-derived fiberglass, cotton, and jute brattices and other mine materials: A comparison of toxic gas and liquid concentrations and smoke-particle characterization. U.S. Dept. of the Interior, Bureau of Mines, 1986.

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Shashoua, Yvonne. Conservation of plastics: Materials science, degradation and preservation. Elsevier/Butterworth-Heinemann, 2008.

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Tsuji, Hideto. Degradation of poly (lactide)- based biodegradable materials. Nova Science Publishers, 2008.

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E, Kamvouris John, and United States. National Aeronautics and Space Administration., eds. Penetration of carbon-fabric-reinforced composites by edge cracks during thermal aging. National Aeronautics and Space Administration, 1994.

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E, Kamvouris John, and United States. National Aeronautics and Space Administration., eds. Penetration of carbon-fabric-reinforced composites by edge cracks during thermal aging. National Aeronautics and Space Administration, 1994.

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6

Conservation of plastics: Materials science, degradation and preservation. Elsevier/Butterworth-Heinemann, 2008.

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Menna, Todd J., ed. Characterization and Failure Analysis of Plastics. ASM International, 2022. http://dx.doi.org/10.31399/asm.hb.v11b.9781627083959.

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Volume 11B serves as a reference and guide to help engineers determine the causes of failure in plastic components and make corrective adjustments through design and manufacturing modifications. It contains seven major divisions, covering polymer science and processing, material selection and design, chemical, thermal, and physical analysis, mechanical behavior and testing, degradation mechanisms, systematic failure analysis, and life assessment and optimization. It examines a wide range of factors that contribute to the properties and behaviors of engineering plastics and the effect of therma

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Hummel, Dieter O. Atlas of Polymer and Plastics Analysis: Plastics Fibres, Rubbers, Resins ; Starting and Auxiliary Materials, Degradation Products. VCH Publishing, 1989.

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9

Ray, Bankim Chandra, Rajesh Kumar Prusty, and Dinesh Kumar Rathore. Fibrous Polymeric Composites: Environmental Degradation and Damage. Taylor & Francis Group, 2018.

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Ray, Bankim Chandra, Rajesh Kumar Prusty, and Dinesh Kumar Rathore. Fibrous Polymeric Composites: Environmental Degradation and Damage. Taylor & Francis Group, 2018.

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Book chapters on the topic "Plastic Materials - Degradation"

1

Real, Luís Eduardo Pimentel. "Degradation and Stabilization of Polymers." In Weathering of Polymers and Plastic Materials. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-33285-2_1.

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Parangi, Tarun, and Manish Kumar Mishra. "Photocatalytic Degradation of Plastic Polymer: A Review." In Re-Use and Recycling of Materials. River Publishers, 2022. http://dx.doi.org/10.1201/9781003339304-15.

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Manos, George. "Catalytic Degradation of Plastic Waste to Fuel over Microporous Materials." In Feedstock Recycling and Pyrolysis of Waste Plastics. John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470021543.ch7.

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Gaur, Nisha, Ravish Chowdhary, Dilip Brunwal, Rekha Singh, and S. S. Maitra. "Degradation of Plastic in Environment and Its Implications with Special Reference to Aromatic Polyesters." In Handbook of Environmental Materials Management. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-58538-3_176-1.

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Potempa, Thomas, James Henderson, Julia Tetzner, Sofie Hoang, Max Ehleben, and Max Juraschek. "Waste to Value Process Chain for Recycling of Fishing Gear Collected from Coastal Waters." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-93891-7_67.

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Abstract Plastic waste in coastal waters has become a major environmental concern and a visible sign of ocean pollution. A significant share of the floating waste material originates from used and lost fishing gear. By establishing suitable recycling processing chains, used fishing gear can become a valuable resource for the manufacturing of products, fostering its extraction from the water and boosting local economies. Post-use fishing gear, however, is a very challenging input material for processing into recylcates. Understanding its degradation mechanisms is crucial for designing a recycli

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Saukkonen, Tapio, Miikka Aalto, Iikka Virkkunen, Ulla Ehrnstén, and Hannu Hänninen. "Plastic Strain and Residual Stress Distributions in an AISI 304 Stainless Steel BWR Pipe Weld." In 15th International Conference on Environmental Degradation of Materials in Nuclear Power Systems-Water Reactors. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118456835.ch244.

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Manfredi, M., E. Barberis, and E. Marengo. "Prediction and classification of the degradation state of plastic materials used in modern and contemporary art." In inArt 2016. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-55417-3_38.

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Saukkonen, Tapio, Miikka Aalto, Iikka Virkkunen, Ulla Ehrnstén, and Hannu Hänninen. "Plastic strain and residual stress distributions in an AISI 304 stainless steel BWR pipe weld." In Proceedings of the 15th International Conference on Environmental Degradation of Materials in Nuclear Power Systems — Water Reactors. Springer International Publishing, 2011. http://dx.doi.org/10.1007/978-3-319-48760-1_142.

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Tonn, Katharina, Max Juraschek, and Christoph Herrmann. "Impacts of Circular Product Life Cycles on the Paintability of Plastics." In Zukunftstechnologien für den multifunktionalen Leichtbau. Springer Fachmedien Wiesbaden, 2024. https://doi.org/10.1007/978-3-658-45889-8_16.

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AbstractDue to their flexible and advantageous set of properties, plastics are used widely and in large quantities in the automotive industry. The use of recycled plastics is a promising approach to conserve fossil resources, reduce negative environmental impacts and achieve sustainability goals.However, the quality of recycled material can vary depending on the individual and often unknown conditions it was exposed to in previous life cycle(s) (stages) and prevent the direct substitution of virgin material in many applications. Each life cycle stage of a plastic component or product, as for i

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Dylingowski, P. J., and R. G. Hamel. "Microbial degradation of plastics." In Directory of Microbicides for the Protection of Materials. Springer Netherlands, 2004. http://dx.doi.org/10.1007/1-4020-2818-0_19.

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Conference papers on the topic "Plastic Materials - Degradation"

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Barkatt, Aaron, Lawrence C. Bank, T. Russell'Gentry, et al. "Environmental Degradation of Fiber Reinforced Plastic Materials in Neutral, Acidic, and Basic Aqueous Solutions." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95138.

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Abstract Kinetic measurements on the dissolution of oxide components of fiber-reinforced plastics show that the dissolution in aqueous media is a complex phenomenon and that changes in the nature of the controlling mechanism during the time of exposure can lead to an increase in rate. As a result, thorough understanding of the mechanisms is imperative in developing models for prediction of the long-term degradation of these composites. Thermogravimetric analysis has been found to be a promising indicator of the structural changes associated with the degradation process. Results obtained on spe

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Bigante, Severino, John G. Johnson, and William H. Julius. "Comparison of Material Costs between Dual Laminate Fiberglass Reinforced Plastic vs. Acid Resistant Brick Lined Steel." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00549.

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Abstract Process equipment must be fabricated from materials that can resist chemical and thermal degradation. This paper will include material costs for dual laminate construction with fiberglass reinforced plastic (FRP) as the structural layer lined with a thermoplastic sheet such as polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), polypropylene (PP), ethylene-chlorotrifluoroethylene copolymer (ECTFE), polyvinyl fluoride (PVDF), fluorinated ethylene propylene (FEP), and perfluoroalalkoxy (PFA). The material costs will be compared to the cost of materials used in acid brick sh

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Kean, Robert T., and Boris A. Miksic. "Improved Packaging Film Incorporating Vapor Phase Corrosion Inhibitors and High Recycle Content." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07283.

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Abstract Vapor Phase Corrosion Inhibitors (VCIs) are used for safe and cost-effective protection of a wide range of metal articles. One large market includes packaging materials for storage and transportation of metal parts. Plastic packaging films can be readily impregnated with VCIs to provide corrosion protection, in addition to the basic physical barrier (against water, dirt, vapors) afforded by the plastic. Generally, VCI containing plastic films are recyclable. Likewise, they can be made from recycled plastics. However, when manufacturing with commercially available recycle streams, use

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Sabhapondit, Anupom, Aruna V T, Rajiv Srinivasan, Karl Stephenne, and Sukanta Ghosh. "Evaluation of Glass Reinforced Plastic for Post Combustion CO2 Capture Amine Service." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-18832.

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Abstract Carbon capture, sequestration, and storage (CCS) is considered as an immediate possible measure to address global warming by reducing CO2 emission to the environment. Amines are used widely to capture CO2 gas from industrial exhaust gas streams. Introduction of cost-effective construction materials in the amine services can offer significant cost benefit to the users. Therefore, an extensive laboratory study was conducted to evaluate glass reinforced plastic (GRP) as a construction material for some large equipment used in the process. Very limited published record was found studying

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Copeland, Thomas S., Jesus R. Acosta, and Tom Bruno. "Plastic Deformation and Failure of a High Alumina Thermowell in a High Temperature Oxygen Enriched Sulfur Reaction Furnace." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05565.

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Abstract Due to government regulation, sulfur-treating units are a necessary part of today's refining businesses. Sulfur reaction furnaces are high temperature aggressive environments requiring the use of specialty materials. Due to their high melting temperatures and low reactivity, high alumina ceramic materials are ideally suited to this service. However, process upsets including contamination and uncontrolled shutdowns from these elevated temperatures can still cause failure of these materials. This paper discusses the recent failure of a high alumina ceramic thermowell in an oxygen enrich

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Hopkins, Greg. "Large Diameter FRP HCl Storage Tanks: Report after 8 Years of Service." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06541.

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Abstract Several 207,000 gallon (783 m3) fiberglass reinforced plastic (FRP) acid storage tanks, shipped complete, have provided eight years of reliable service. Unique design, fabrication, and shipping details contributed to the success of this project. Recent inspections show no degradation through chemical attack and indicate trouble-free service expected over the next few decades. Design, fabrication, shipping logistics, materials selection, and regular internal inspections are important factors to ensure the on-going successes seen today.

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Allen, Morgan, and Jarek Nowinka. "Synergistic Evaluation of Casing Materials for Cyclic-Temperature Sour Wells." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05988.

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Abstract Casing in extreme-temperature sour wells must withstand severe loading, including large temperature excursions, cyclic plastic deformation, and exposure to sour environments. Those conditions lead to synergistic material damage where different degradation mechanisms accelerate one another. Current understanding of synergies between thermo-mechanical loading and sour corrosion-cracking is limited. No industry standard exists for evaluation of tubular materials under such combined loading. The evaluation methodology presented here was developed to assess material performance under combi

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Kane, R. D., and M. S. Cayard. "Evaluation of Chemical Compatibility of FRP Tubulars with the Split Disk Method." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95142.

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Abstract Experiments were conducted on an oilfield fiber reinforced plastic (FRP) tubing material to assess potential effects of chemical degradation when exposed to a simulated sour production environment. There are currently no generally accepted methods for such an evaluation that can provide meaningful chemical derating factors for FRP tubing and piping. This paper proposes a test methodology utilizing the split disk method described in ASTM C2290 for assessment of tensile properties of FRP pipe products. A test procedure is proposed that involves exposure of FRP tubular sections to potent

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Ukpai, Jonathan, Richard Barker, and Anne Neville. "A Combined Electrochemical and Acoustic Emission Technique for Mechanistic and Quantitative Evaluation of Erosion-Corrosion and Its Components." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4180.

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Abstract A mechanistic and quantitative study of pipeline materials (X65) degradation due to erosion-corrosion in saturated CO2 environment under solid-liquid impingement was performed using combined electrochemical and acoustic emission techniques. Electrochemical Impedance Spectroscopy (EIS) was used to characterize the evolution of the dissolution mechanisms of the steel surface and the acoustic emission (AE) technique was used to capture the mechanical damage due to plastic deformation, cutting and ploughing mechanisms of the sand impacts. Results indicate that the combined techniques can

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Lotz, U., and T. Sydberger. "CO2 Corrosion of C-Steel and 13Cr-Steel in a Particle Laden Fluid." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87440.

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Abstract Corrosion tests were carried out on C-steel (API 5L X70) and 13Cr steel (AISI 420) materials in a 3% NaCl solution containing sand particles (5000-9000 ppm) and saturated with CO2 at defined partial pressure (0-0.3 MPa) and temperature (30- 60°C). The effect of residual O2 content (10-1500 ppb) was further examined. Two flow geometries were studied: 1) undisturbed pipe flow and 2) submerged jet impinging (30-90°) onto a flat plate. The effect of specimen surface treatment (shot-blasting or pickling) was examined with dry polished material as a reference. Weight-loss and electrochemica

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Reports on the topic "Plastic Materials - Degradation"

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Young, Allison, Andrew McDermott, Susannah Davidson, et al. Investigation of bioplastic degradation for military in-field applications : implementation of sustainable practices into the US military for rapid biodegrading polylactic acid (PLA) plastic in compostable environments. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49561.

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The Army Climate Strategy has identified goals to reduce greenhouse gas (GHG) emissions to reach net-zero Army GHG emissions by 2050. Producing fossil-fuel-based plastics releases GHG emissions and plastic bottles are difficult to dispose, especially in contingency locations. Soldiers prefer hydrating with plastic water bottles, which leads to GHG emissions. This project investigates using bioplastics for water bottles. These bioplastics are produced from natural materials and can break down faster with alternative disposal methods, such as composting. Challenges include finding a material wit

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Whisler, Daniel, Rafael Gomez Consarnau, and Ryan Coy. Novel Eco-Friendly, Recycled Composites for Improved CA Road Surfaces. Mineta Transportation Institute, 2021. http://dx.doi.org/10.31979/mti.2021.2046.

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The continued use of structural plastics in consumer products, industry, and transportation represents a potential source for durable, long lasting, and recyclable roadways. Costs to dispose of reinforced plastics can be similar to procuring new asphalt with mechanical performance exceeding that of the traditional road surface. This project examines improved material development times by leveraging advanced computational material models based on validated experimental data. By testing traditional asphalt and select carbon and glass reinforced composites, both new and recycled, it is possible t

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Mittermayr, D., W. Roland, and J. Fischer. Investigating the effect of liquid state decontamination on the material properties of post-consumer high impact polystyrene recyclate. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.ss.cep.8.

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The global focus on environmental sustainability has intensified the need for innovative plastic waste management solutions, especially in the food packaging industry. This study explores liquid state decontamination processes of recyclates produced by post-consumer waste recycling of polystyrene yogurt cups and their effects on the material properties of the recycled material. For this purpose, different decontamination processes based on a twin-screw extruder with vacuum degassing and an industrial-scale recycling machine were applied. Tests such as tensile testing, Charpy impact testing, me

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Oliynyk, Kateryna, and Matteo Ciantia. Application of a finite deformation multiplicative plasticity model with non-local hardening to the simulation of CPTu tests in a structured soil. University of Dundee, 2021. http://dx.doi.org/10.20933/100001230.

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In this paper an isotropic hardening elastoplastic constitutive model for structured soils is applied to the simulation of a standard CPTu test in a saturated soft structured clay. To allow for the extreme deformations experienced by the soil during the penetration process, the model is formulated in a fully geometric non-linear setting, based on: i) the multiplicative decomposition of the deformation gradient into an elastic and a plastic part; and, ii) on the existence of a free energy function to define the elastic behaviour of the soil. The model is equipped with two bonding-related intern

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Friedman, Haya, Chris Watkins, Susan Lurie, and Susheng Gan. Dark-induced Reactive Oxygen Species Accumulation and Inhibition by Gibberellins: Towards Inhibition of Postharvest Senescence. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7613883.bard.

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Dark-induced senescence could pose a major problem in export of various crops including cuttings. The assumption of this work was that ROS which is increased at a specific organelle can serve as a signal for activation of cell senescence program. Hormones which reduce senescence in several crops like gibberellic acid (GA) and possibly cytokinin (CK) may reduce senescence by inhibiting this signal. In this study we worked on Pelargonium cuttings as well as Arabidopsis rosette. In Pelargonium the increase in ROS occurred concomitantly with increase in two SAGs, and the increase persisted in isol

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