Academic literature on the topic 'Anionic Ring-Opening Polymerization (AROP)'

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Journal articles on the topic "Anionic Ring-Opening Polymerization (AROP)"

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Giri, Chandan, Jen-Yu Chang, Pierre Canisius Mbarushimana, and Paul A. Rupar. "The Anionic Polymerization of a tert-Butyl-Carboxylate-Activated Aziridine." Polymers 14, no. 16 (2022): 3253. http://dx.doi.org/10.3390/polym14163253.

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N-Sulfonyl-activated aziridines are known to undergo anionic-ring-opening polymerizations (AROP) to form polysulfonyllaziridines. However, the post-polymerization deprotection of the sulfonyl groups from polysulfonyllaziridines remains challenging. In this report, the polymerization of tert-butyl aziridine-1-carboxylate (BocAz) is reported. BocAz has an electron-withdrawing tert-butyloxycarbonyl (BOC) group on the aziridine nitrogen. The BOC group activates the aziridine for AROP and allows the synthesis of low-molecular-weight poly(BocAz) chains. A 13C NMR spectroscopic analysis of poly(BocAz
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Meisner, Quinton J., Sisi Jiang, Pengfei Cao, Tobias Glossmann, Andreas Hintennach, and Zhengcheng Zhang. "An in situ generated polymer electrolyte via anionic ring-opening polymerization for lithium–sulfur batteries." Journal of Materials Chemistry A 9, no. 46 (2021): 25927–33. http://dx.doi.org/10.1039/d1ta08244b.

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Solid polymer electrolytes were synthesized for Li–S battery via in situ anionic ring-opening polymerization (AROP) of an episulfide monomer initiated by the nucleophilic lithium sulfides/polysulfides which are generated during the initial discharge cycle.
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Domiński, Adrian, Tomasz Konieczny, Magdalena Zięba, Magdalena Klim та Piotr Kurcok. "Anionic Polymerization of β-Butyrolactone Initiated with Sodium Phenoxides. The Effect of the Initiator Basicity/Nucleophilicity on the ROP Mechanism". Polymers 11, № 7 (2019): 1221. http://dx.doi.org/10.3390/polym11071221.

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It was shown that selected sodium phenoxide derivatives with different basicity and nucleophilicity, such as sodium p-nitrophenoxide, p-chlorophenoxide, 1-napthoxide, phenoxide and p-methoxyphenoxide, are effective initiators in anionic ring-opening polymerization (AROP) of β-butyrolactone in mild conditions. It was found that phenoxides as initiators in anionic ring-opening polymerization of β-butyrolactone behave as strong nucleophiles, or weak nucleophiles, as well as Brønsted bases. The resulting polyesters possessing hydroxy, phenoxy and crotonate initial groups are formed respectively by
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Çatiker, Efkan, Songül Kirlak, Mehmet Atakay та Bekir Salih. "Synthesis and characterization of novel poly(α-methyl β-alanine-b-lactone)s through hydrogen-transfer and ring-opening polymerization". Ovidius University Annals of Chemistry 33, № 1 (2022): 78–83. http://dx.doi.org/10.2478/auoc-2022-0011.

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Abstract A series of novel poly(α-methyl β-alanine-b-lactone)s were prepared by a combination of hydrogen-transfer polymerization (HTP) of methacrylamide (MAm) and anionic ring-opening polymerization (AROP) of β-propiolactone (BPL), β-butyrolactone (BBL), and δ-valerolactone (DVL). For this purpose, poly(α-methyl β-alanine) (PmBA) having a living anionic end-group for a further extension was obtained via HTP of MAm. The anionic end-group on PmBA chains were used as initiation sites for AROP of BPL, BBL, and DVL. Fourier Transform Infrared Spectroscopy (FTIR) and Proton Nuclear Magnetic Resonan
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Goff, Jonathan, Santy Sulaiman, and Barry Arkles. "Applications of Hybrid Polymers Generated from Living Anionic Ring-Opening Polymerization." Molecules 26, no. 9 (2021): 2755. https://doi.org/10.3390/molecules26092755.

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Increasingly precise control of polymer architectures generated by “Living” Anionic Ring-Opening Polymerization (Living AROP) is leading to a broad range of commercial ad-vanced material applications, particularly in the area of siloxane macromers. While academic reports on such materials remain sparse, a significant portion of the global population interacts with them on a daily basis—in applications including medical devices, microelectronics, food packaging, synthetic leather, release coatings, and pigment dispersions. The primary driver of this increased utilization of si
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Belkhiri, Achraf, Nick Virgilio, Valérie Nassiet, Hélène Welemane, France Chabert, and Olivier De Almeida. "Tailoring the Hydroxyl Density of Glass Surface for Anionic Ring-Opening Polymerization of Polyamide 6 to Manufacture Thermoplastic Composites." Polymers 14, no. 17 (2022): 3663. http://dx.doi.org/10.3390/polym14173663.

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Reactive thermoplastics matrices offer ease of processing using well-known molding techniques (such as Resin Transfer Molding) due to their initially low viscosity. For Polyamide 6 (PA6)/glass composites, the hydroxyl groups on the glass surface slow down the anionic ring-opening polymerization (AROP) reaction, and can ultimately inhibit it. This work aims to thoroughly control the hydroxyl groups and the surface chemistry of glass particulates to facilitate in situ AROP-an aspect that has been barely explored until now. A model system composed of a PA6 matrix synthesized by AROP is reinforced
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Osváth, Zsófia, Anita Szőke, Szabolcs Pásztor, Györgyi Szarka, László Balázs Závoczki та Béla Iván. "Post-Polymerization Heat Effect in the Production of Polyamide 6 by Bulk Quasiliving Anionic Ring-Opening Polymerization of ε-Caprolactam with Industrial Components: A Green Processing Technique". Processes 8, № 7 (2020): 856. http://dx.doi.org/10.3390/pr8070856.

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Bulk, solventless anionic ring-opening polymerization (AROP) of ε-caprolactam (CPL) with high yields, without side products and with short reaction times, initiated by caprolactamate-carbamoylcaprolactam initiating systems belong to green polymerization processes, leading to poly(ε-caprolactam) (Polyamide 6, PA6, Nylon 6). However, the effect of post-polymerization heat (i.e., slow, technically feasible cooling) on the fundamental characteristics of the resulting polymers such as yield and molecular weight distributions (MWDs) have not been revealed thus far. Significant post-polymerization ef
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Lagarinhos, Joana, Sara Magalhães da Silva, and José Martinho Oliveira. "Non-Isothermal Crystallization Kinetics of Polyamide 6/Graphene Nanoplatelets Nanocomposites Obtained via In Situ Polymerization: Effect of Nanofiller Size." Polymers 15, no. 20 (2023): 4109. http://dx.doi.org/10.3390/polym15204109.

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Thermoplastic resin transfer molding (T-RTM) technology was applied to synthesize graphene nanoplatelets-based nanocomposites via anionic ring-opening polymerization (AROP). Polyamide 6 (PA6) was obtained by AROP and was used as the polymeric matrix of the developed nanocomposites. The non-isothermal crystallization behavior of PA6 and nanocomposites was analyzed by differential scanning calorimetry (DSC). Nanocomposites with 0.5 wt.% of graphene nanoplatelets (GNPs) with two different diameter sizes were prepared. Results have shown that the crystallization temperature shifted to higher value
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So, Jae Il, Chung Soo Lee, Ji Young Jung, et al. "Optimization and Characterization of the F-LSR Manufacturing Process Using Quaternary Ammonium Silanolate as an Initiator for Synthesizing Fluorosilicone." Polymers 14, no. 24 (2022): 5502. http://dx.doi.org/10.3390/polym14245502.

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Due to the growing demand for versatile hybrid materials that can withstand harsh conditions (below −40 °C), fluorosilicone copolymers are becoming promising materials that can overcome the limited operating temperature of conventional rubber. In order to synthesize a fluorosilicone copolymer, a potent initiator capable of simultaneously initiating various siloxane monomers in anionic ring-opening polymerization (AROP) is required. In this study, tetramethyl ammonium silanolate (TMAS), a quaternary ammonium (QA) anion, was employed as an initiator for AROP, thereby fluoro-methyl-vinyl-silicone
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Ageyeva, Sibikin, and Kovács. "A Review of Thermoplastic Resin Transfer Molding: Process Modeling and Simulation." Polymers 11, no. 10 (2019): 1555. http://dx.doi.org/10.3390/polym11101555.

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The production and consumption of polymer composites has grown continuously through recent decades and has topped 10 Mt/year. Until very recently, polymer composites almost exclusively had non-recyclable thermoset matrices. The growing amount of plastic, however, inevitably raises the issue of recycling and reuse. Therefore, recyclability has become of paramount importance in the composites industry. As a result, thermoplastics are coming to the forefront. Despite all their advantages, thermoplastics are difficult to use as the matrix of high-performance composites because their high viscosity
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Dissertations / Theses on the topic "Anionic Ring-Opening Polymerization (AROP)"

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Tunc, Deniz. "Synthesis of functionalized polyamide 6 by anionic ring-opening polymerization." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0178/document.

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Les études présentées dans le cadre de cette thèse visent à copolymériser l'ԑ-caprolactame (CL) avec différents dérivés de l'α-amino-ԑ-caprolactame (qui possèdent une amine primaire fonctionnalisable) par polymérisation anionique par ouverture de cycle. En utilisant cette stratégie, nous décrivons; (i) la préparation de polyamides 6 fluorés thermiquement plus stables, et ayant une surface hydrophobe; (ii) la synthèse de polyamides 6 portant des groupes pendants cinnamoyl thermo et photosensibles. Une réticulation réversible est observée ainsi que l'amélioration des propriétés thermo-mécaniques
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Weiss, Maximilian Ernst Richard [Verfasser]. "A kinetic model for the anionic ring-opening polymerization of glycidol / Maximilian Ernst Richard Weiss." Berlin : Freie Universität Berlin, 2013. http://d-nb.info/1031421602/34.

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Paulus, Florian [Verfasser]. "Systematic Investigations of the Anionic Ring Opening Polymerization of Polyglycerol and Synthesis of Functional Polyglycerol Sulfates / Florian Paulus." Berlin : Freie Universität Berlin, 2014. http://d-nb.info/1052222234/34.

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Roos, Kevin. "Polyethers and polyamide-3 synthesis by monomer activated anionic polymerization." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0331/document.

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Ces travaux de thèse traitent de la polymérisation anionique combinée à deux méthodologies différentes d’activation du monomère visant à contrôler les réactivités des monomères et/ou des espèces actives lors de la propagation pour la synthèse de polyéthers et de polyamide-3. L’étude de nouveaux systèmes efficaces d’amorçage/propagation à base de magnésium et d’aluminium pour la polymérisation anionique par ouverture de cycles des époxydes substitués est présentée. Deux types de polyéthers réticulables ont également été synthétisés par l’utilisation de bromure de tétraoctylammonium et de triiso
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Rulkens, Ron. "Thermal, living anionic and transition metal catalyzed ring-opening polymerization (ROP) of silicon-bridged [1]ferrocenophanes and synthetic routes to novel strained [1]ferrocenophanes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0003/NQ41574.pdf.

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Chavan, Vijay S. "Controlled Synthesis and Characterization of Branched, Functionalized, and Cyclic Polymers." University of Akron / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1304550167.

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Rassou, Somasoudrame. "Polymérisation anionique d’oxiranes fonctionnels selon le mécanisme de monomère activé." Electronic Thesis or Diss., Paris 6, 2016. http://www.theses.fr/2016PA066749.

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La synthèse de polyélectrolyte à base de polyéther a été peu étudiée, en particulier lorsque le polymère comporte des fonctions amine. Ces polymères offrent pourtant de larges perspectives dans le domaine des matériaux énergétiques ou celui des applications biomédicales. Dans l’objectif de contourner l’utilisation de l’épichlorhydrine, considérée comme toxique, le présent projet vise à revisiter la polymérisation de monomères contenant à la fois une fonction oxirane et une fonction amine protégée. La synthèse de ces monomères a d’abords été effectuée selon des réactions d’oxydation directe d’i
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Pozza, Gladys. "Tailor-made heterofunctional poly(ethylene oxide)s via living anionic polymarization as building blocks in macromolecular engineering." Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAF030/document.

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L'objectif principal de la thèse porte sur la synthèse contrôlée et la caractérisation d’architectures macromoléculaires complexes originales à base de POE. Les POEs α-undécènyle-ω-hydroxy sont obtenus par polymérisation anionique par ouverture de cycle de l’oxyde d’éthylène. Le groupement hydroxyle est modifié pour accéder à des POEs α-undécènyle-ω-méthacrylate et des POEs α-undécènyle-ω-acétylène. Ces premiers POEs sont ensuite utilisés pour préparer soit des POEs à structure en peigne par ATRP dans l'eau soit par l'intermédiaire de réaction « click », des POEs à structure en étoile tétrafon
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Zhang, Dapeng. "Synthèse de polyuréthanes par polymérisation par ouverture de cycle anionique et auto-assemblage de copolymères amphiphiles à base de polyuréthane." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEC007.

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1.Polymérisation par ouverture de cycle anionique contrôlée de carbamates cycliques à 5 chaînons en polyuréthanes. 2.Synthèse et auto-assemblage de copolymères diblocs linéaires amphiphiles à base de polyuréthane. 3.Synthèse et auto-assemblage de copolymères greffés amphiphiles à base de polyuréthane<br>1.Controlled anionic ring opening polymerization of 5-membered cyclic carbamates to polyurethanes. 2.Synthesis and self-assembly of polyurethane-based amphiphilic linear diblock copolymers. 3.Synthesis and self-assembly of polyurethane-based amphiphilic graft copolymers
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Puchelle, Valentin. "Peptide-polymer conjugates : divergent synthesis from the initiating peptides." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS472.

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L’utilisation de peptides pour des applications biomédicales reste limitée, en raison de leur courte demi-vie biologique. Le greffage de polymères aux peptides a conduit à l’amélioration des propriétés du peptide. Les conjugués peptide-polymère peuvent être synthétisés par méthode convergente ou divergente. Alors que la première approche conduit à de faibles rendements, la deuxième est limitée à la polymérisation de monomères vinyliques. Nous proposons une méthode de synthèse divergente des conjugués, basée sur la fonctionnalisation des liaisons peptidiques, via le greffage de polyéthers. En e
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Books on the topic "Anionic Ring-Opening Polymerization (AROP)"

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Rulkens, Ron. Thermal, living anionic and transition metal catalyzed ring-opening polymerization (ROP) of silicon-bridged [1]ferrocenophanes and synthetic routes to novel strained [1]ferrocenophanes. 1997.

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Book chapters on the topic "Anionic Ring-Opening Polymerization (AROP)"

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Sudo, Atsushi. "Anionic Ring-Opening Polymerization." In Encyclopedia of Polymeric Nanomaterials. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36199-9_172-1.

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Inoue, Shohei, and Takuzo Aida. "Anionic Ring-Opening Polymerization." In New Methods for Polymer Synthesis. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4899-2356-1_2.

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Sudo, Atsushi. "Anionic Ring-Opening Polymerization." In Encyclopedia of Polymeric Nanomaterials. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-29648-2_172.

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Penczek, Stanislaw, and Stanislaw Slomkowski. "Progress in Anionic Ring-Opening Polymerization." In Recent Advances in Anionic Polymerization. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3175-6_19.

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Pahovnik, David, and Nikos Hadjichristidis. "Ring-Opening Polymerization of N-Carboxyanhydrides for Preparation of Polypeptides and Polypeptide-Based Hybrid Materials with Various Molecular Architectures." In Anionic Polymerization. Springer Japan, 2015. http://dx.doi.org/10.1007/978-4-431-54186-8_6.

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Zhang, Xuehai, Qingshan Zhou, William P. Weber, Raymond F. Horvath, Tak-Hang Chan, and Georges Manuel. "Stereoregular Anionic Ring-Opening Polymerization of Silacyclopent-3-enes." In Advances in Chemistry. American Chemical Society, 1989. http://dx.doi.org/10.1021/ba-1990-0224.ch037.

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Keul, Helmut, and Hartwig Höcker. "Anionic Ring-Opening Polymerization of Carbonates and Formation of Blockcopolymers." In Integration of Fundamental Polymer Science and Technology—2. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1361-5_3.

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Sakellariou, Georgios, Dimitrios Priftis, and Nikos Hadjichristidis. "Functionalization of Nanotubes by Ring-Opening and Anionic Surface Initiated Polymerization." In Surface Modification of Nanotube Fillers. Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527635085.ch8.

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Khosravi, Ezat. "Synthesis of Well-Defined Graft Copolymers via Coupled Living Anionic and Living Ring Opening Metathesis Polymerisation." In Metathesis Polymerization of Olefins and Polymerization of Alkynes. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5188-7_15.

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SORMANI, P. M., R. J. MINTON, and JAMES E. McGRATH. "Anionic Ring-Opening Polymerization of Octamethylcyclotetrasiloxane in the Presence of 1,3-Bis(aminopropyl)-1,1,3,3-tetramethyldisiloxane." In ACS Symposium Series. American Chemical Society, 1985. http://dx.doi.org/10.1021/bk-1985-0286.ch011.

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Conference papers on the topic "Anionic Ring-Opening Polymerization (AROP)"

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Kim, Sang-Woo, Dong Gi Seong, Jin-Woo Yi, and Moon-Kwang Um. "Development of high-speed reactive processing system for carbon fiber-reinforced polyamide-6 composite: In-situ anionic ring-opening polymerization." In VIII INTERNATIONAL CONFERENCE ON “TIMES OF POLYMERS AND COMPOSITES”: From Aerospace to Nanotechnology. Author(s), 2016. http://dx.doi.org/10.1063/1.4949597.

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Reports on the topic "Anionic Ring-Opening Polymerization (AROP)"

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Wallace, Kevin C., Andy H. Liu, John C. Dewan, and Richard R. Schrock. Preparation and Reactions of Tantalum Alkylidene Complexes Containing Bulky Phenoxide or Thiolate Ligands. Controlling Ring-Opening Metathesis Polymerization Activity and Mechanism Through Choice of Anionic Ligand. Defense Technical Information Center, 1988. http://dx.doi.org/10.21236/ada198293.

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Zhou, Steven Q., Young T. Park, Georges Manuel, and William P. Weber. Composite Materials with Improved Properties in Compression. Appendix 2. Anionic Ring Opening Polymerization of 1-Silacyclopent-3-ene. Characterization of Poly(1-sila-cis-pent-3-ene) by 1H, 13C, and 29Si NMR Spectroscopy. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada221647.

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