Relevant bibliographies by topics / Polymers|Condensation|Plastics

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Polymers|Condensation|Plastics'

Author: Grafiati
Published: 9 July 2021
Last updated: 29 July 2025

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Journal articles on the topic "Polymers|Condensation|Plastics"

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Trzebiatowska, Patrycja. "RECYKLING CHEMICZNY TWORZYW SZTUCZNYCH." Wiadomości Chemiczne 76, no. 3 (2022): 157–81. https://doi.org/10.53584/wiadchem.2022.3.4.

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Plastics are currently used in almost every branch of industry. Their popularity is due to excellent mechanical properties, durability combined with low weight. Global production of plastics in 2020 reached 387 million tons and a great amount of waste from plastics is generated as they are usually non-biodegradable and often are used only once before disposal. Since the 1970s, the problem of plastics pollution started to be noticed, and then the first regulations on their production, limiting and management options were introduced. There are several methods preventing the plastics waste going
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Leitão, Ana Lúcia, and Francisco J. Enguita. "Structural Insights into Carboxylic Polyester-Degrading Enzymes and Their Functional Depolymerizing Neighbors." International Journal of Molecular Sciences 22, no. 5 (2021): 2332. http://dx.doi.org/10.3390/ijms22052332.

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Esters are organic compounds widely represented in cellular structures and metabolism, originated by the condensation of organic acids and alcohols. Esterification reactions are also used by chemical industries for the production of synthetic plastic polymers. Polyester plastics are an increasing source of environmental pollution due to their intrinsic stability and limited recycling efforts. Bioremediation of polyesters based on the use of specific microbial enzymes is an interesting alternative to the current methods for the valorization of used plastics. Microbial esterases are promising ca
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Vimalasiri, P. A. D. T., R. P. Burford, and J. K. Haken. "Chromatographic Analysis of Elastomeric Polyurethanes." Rubber Chemistry and Technology 60, no. 3 (1987): 555–77. http://dx.doi.org/10.5254/1.3536140.

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Abstract Both alkali and acid fusion reactions can be used to cleave polyurethane polymers successfully. Fusion reaction rates are much faster than conventional aqueous alkali or acid fusion methods. Separation of fragments could be carried out using the liquid-liquid extraction procedures described. After quantitative and qualitative analysis of fragments using GC, SEC, and HPLC, chemical structure of the polymer can be established. Although the work described uses only elastomeric polyurethanes for the development of the analytical schemes, these schemes can be used to analyze other types of
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Kemona, Aleksandra, and Małgorzata Piotrowska. "Polyurethane Recycling and Disposal: Methods and Prospects." Polymers 12, no. 8 (2020): 1752. http://dx.doi.org/10.3390/polym12081752.

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Growing water and land pollution, the possibility of exhaustion of raw materials and resistance of plastics to physical and chemical factors results in increasing importance of synthetic polymers waste recycling, recovery and environmentally friendly ways of disposal. Polyurethanes (PU) are a family of versatile synthetic polymers with highly diverse applications. They are class of polymers derived from the condensation of polyisocyanates and polyalcohols. This paper reports the latest developments in the field of polyurethane disposal, recycling and recovery. Various methods tested and applie
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Singh, Sanjay Kumar, Abhishek Chowdhury, Rajeev Ranjan Thakur, et al. "Development and characterization of polyvinyl chloride/poly lactic acid blend based biodegradable polymeric films." Materials Express 13, no. 4 (2023): 632–43. http://dx.doi.org/10.1166/mex.2023.2388.

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The present work aimed to decrease the environmental contamination, which is caused by solid non-degradable plastics waste. To overcome this serious global concern, the development, and characterization of a bio-degradable film by blending different proportions of the natural polymers poly lactic acid (PLA) to the conventional petroleum polymer has been done. In this process, PLA was synthesized in the lab by condensation method and polyvinyl chloride (PVC)/PLA blends film was developed by solution casting method with and without adding compatibilizer as poly methyl methacrylate (PMMA). The la
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Mustafa Salah Hasan та Ahlam Marouf Al-Azzawi. "Synthesis of New Bismaleimide Homopolymer and Copolymers Derived from 4, 4ˉ-Bis[4-(N-maleimidyl) Phenyl Schiff Base] Tolidine". Ibn AL-Haitham Journal For Pure and Applied Sciences 37, № 1 (2024): 298–307. http://dx.doi.org/10.30526/37.1.3264.

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Polyimides are widely used in high-temperature plastics, adhesives, dielectrics, photoresists, nonlinear optical materials, separation membrane materials, and Langmuir-Blodgett (LB) films. They are commonly regarded as the most heat-resistant polymers. This work involved the synthesis of a new bismaleimide homopolymer and copolymer by performing many steps. The synthesis of compound (1) (bis [4-(amino phenyl) Schiff base] tolidine) via condensation of o-tolidine with two moles of 4-aminoacetophenone. Secondly, compound (1) was combined with maleic anhydride to form compound (2) (4, 4ˉ-bis[4-(N
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Barreiro-Sisto, Uxía, Sandra Fernández-Fariña, María Isabel Fernández-García, Ana M. González-Noya, Isabel Velo-Heleno, and Marcelino Maneiro. "Electrochemical Conversion of 5-Hydroxymethylfurfural to 2,5-Furandicarboxaldehyde Using Mn(III)–Schiff Base Catalysts." Inorganics 13, no. 2 (2025): 30. https://doi.org/10.3390/inorganics13020030.

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2,5-furandicarboxaldehyde (DFF) is one of the most promising biomass-based building blocks for the synthesis of biobased polymers. DFF can be obtained from 5-hydroxymethylfurfural (HMF), a fructose derivate, and it is a key molecule in the sequence of reactions of furan chemistry to develop biobased plastics. In this frame, four manganese(III)–Schiff base complexes 1–4 have been obtained. The general formula for the complexes, MnLn(OCN)(H2O/CH3OH)m (Ln being the Schiff base ligands L1–L4, formed as the result of the condensation of different substituted hydroxybenzaldehydes with diverse diamin
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Chofifawati, Aisyah, Robbi Mauizzatul Hikmah, Nilana Izzati, Lathifah Nurul Fauzi, Tara Puri Ducha Rahmani, and Arnia Sari Mukaromah. "Potential of biological agents (Pseudomonas sp.) in plastic waste biodegradation process." Jurnal Biolokus 5, no. 2 (2023): 114. http://dx.doi.org/10.30821/biolokus.v5i2.1192.

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<em>Pseudomonas sp.</em> can degrade plastics because it has an inducible operon system that produces certain enzymes (esterase, serine, hydrolase, and lipase) in the process of carbon source metabolism. The purpose of this study was to determine the potential of <em>Pseudomonas sp.</em> as a plastic biodegradation agent. This research method is a systematic literature review which is carried out by collecting, understanding, analyzing and concluding as many as 30 national and international journal articles published from 2008 to 2022 from several search engines such as
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Carraher, Charles E. "Condensation Metallocene Polymers." Journal of Inorganic and Organometallic Polymers and Materials 15, no. 1 (2005): 121–45. http://dx.doi.org/10.1007/s10904-004-2382-6.

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Maślanka, S., J. Juszczyński, T. Kraszewski, and W. Oleksy. "Properties of polylactide, obtained from lactic acid in the process of lactic fermentation of lactose in whey post production (waste)." Journal of Achievements in Materials and Manufacturing Engineering 2, no. 90 (2018): 58–68. http://dx.doi.org/10.5604/01.3001.0012.8384.

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Purpose: This publication provides a description of RDC Glokor’s own research into the effectiveness of the lactic fermentation process of lactose, lactic acid concentration and polylactide (PLA) production by ring-opening polymerization obtained from the condensation of two molecules of lactic acid. Furthermore, this publication sets out to determine potential applications of the PLA as a commercial material with a selection of thermal properties. Design/methodology/approach: In the described research works, a lactic fermentation process was used in which lactose is converted to lactic acid w
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Dissertations / Theses on the topic "Polymers|Condensation|Plastics"

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Goldbach, James T. "Synthesis, characterization and thin film morphology of poly(styrene-block-methyl methacrylate) containing UV photolabile junction points." 2003. https://scholarworks.umass.edu/dissertations/AAI3110491.

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Diblock copolymers are a class of polymers where two dissimilar polymer blocks are joined together at a common end. The dissimilarity of the blocks causes a phase separation to take place, however the connectivity of the blocks keeps the length scale of this phase separation on the order of the radius of gyration of each of the blocks. Throughout this thesis, the synthesis and morphology of diblock copolymers that have a specific, UV cleavable chemical moiety located at the junction point between the two blocks is investigated. The two junction points targeted to this end are the [4π + 4π] pho
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Book chapters on the topic "Polymers|Condensation|Plastics"

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Patrick, Graham. "8. Polymers, plastics, and textiles." In Organic Chemistry: A Very Short Introduction. Oxford University Press, 2017. http://dx.doi.org/10.1093/actrade/9780198759775.003.0008.

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Over the last fifty years, synthetic materials have largely replaced natural materials such as wood, leather, wool, and cotton. Plastics and polymers are perhaps the most visible sign of how organic chemistry has changed society. ‘Polymers, plastics, and textiles’ explains that polymerization involves linking molecular building blocks (termed monomers) into long molecular strands called polymers and describes the two general approaches to preparing polymers: addition polymers and condensation polymers. The various health, environmental, ecological, and economic issues are considered before loo
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Atkins, Peter. "Snapping Together: Condensation Polymerization." In Reactions. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199695126.003.0019.

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One of the most famous of all plastics is nylon. I shall use it to represent how the second type of polymers is made. There are many varieties of nylon, but it will be enough to consider just one exemplar, the one known as ‘nylon-66’. It is so called because the repeating motif is a chain of six carbon atoms, then a group of atoms that provide a link, and then another chain of six carbon atoms. The pattern C6-link-C6 is repeated indefinitely to give the ‘66’ polymer. As you will see in more detail in Reaction 27, nylon is a very primitive version of a protein-like molecule, the molecules that
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You might also be interested in the extended bibliographies on the topic 'Polymers|Condensation|Plastics' for particular source types:
Journal articles
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