Academic literature on the topic 'Azide Functional Polymers'

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Journal articles on the topic "Azide Functional Polymers"

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Zhou, Xinyan, Wei Wei, Xiaojian Hou, Gang Tang, Yunjun Luo, and Xiaoyu Li. "Poly(glycidyl azide) as Photo-Crosslinker for Polymers." Polymers 14, no. 24 (2022): 5451. http://dx.doi.org/10.3390/polym14245451.

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Crosslinking polymers to form networks is a universal and routinely applied strategy to improve their stability and endow them with solvent resistance, adhesion properties, etc. However, the chemical crosslinking of common commercial polymers, especially for those without functional groups, cannot be achieved readily. In this study, we utilized low-molecular weight poly(glycidyl azide) (GAP) as polymeric crosslinkers to crosslink various commercial polymers via simple ultraviolet light irradiation. The azide groups were shown to decompose upon photo-irradiation and be converted to highly react
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Carsí, Marta, Maria Sanchis, Saul Vallejos, Félix García, and José García. "Molecular Dynamics of Functional Azide-Containing Acrylic Films." Polymers 10, no. 8 (2018): 859. http://dx.doi.org/10.3390/polym10080859.

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A report on the syntheses, thermal, mechanical and dielectric characterizations of two novel polymeric acrylic materials with azide groups in their pendant structures is presented. Having the same general structure, these polymers differ in length of oxyethylene units in the pendant chain [-CONH-CH2CH2-(O-CH2CH2)nN3], where n is 1 (poly(N-(2-(2-azidoethoxy)ethyl)methacrylamide), PAzMa1) or 2 (poly(N-2-(2-(2-azidoethoxy)ethoxy)ethyl)methacrylamide), PAzMa2), leading with changes in their dynamics. As the thermal decomposition of the azide group is observed above 100 °C, dielectric analysis was
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Hu, Rongrong, Ben Tang, Liguo Xu, and Kou Yang. "Multicomponent Polymerization of Alkynes, Sulfonyl Azide, and Iminophosphorane at Room Temperature for the Synthesis of Hyperbranched Poly(phosphorus amidine)s." Synlett 29, no. 19 (2018): 2523–28. http://dx.doi.org/10.1055/s-0037-1610275.

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The construction of functional hyperbranched polymers with unique topological structures and distinct properties remains a great challenge. Multicomponent polymerization, as a fascinating polymer synthetic approach, has proved to be a powerful tool for the synthesis of polymers with diverse structures and multifunctionalities, which is a great advantage for the preparation of hyperbranched polymers. In this work, a multicomponent polymerization of alkynes, sulfonyl azide, and iminophosphorane is utilized for the construction of heteroatom-rich hyperbranched poly(phosphorus amidine)s with diffe
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Keita, H., B. Guzelturk, J. Pennakalathil, T. Erdem, H. V. Demir, and D. Tuncel. "Construction of multi-layered white emitting organic nanoparticles by clicking polymers." Journal of Materials Chemistry C 3, no. 39 (2015): 10277–84. http://dx.doi.org/10.1039/c5tc01445j.

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A series of blue, green and red emitting polymers that are appropriately functionalized with alkyne and azide functional groups have been prepared and clicked together to construct bi-layered and tri-layered white emitting core–shell type nanoparticles.
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Zhao, Guangkuo, Tongtong Ge, Yunfeng Yan, Qi Shuai, and Wei-Ke Su. "Highly Efficient Modular Construction of Functional Drug Delivery Platform Based on Amphiphilic Biodegradable Polymers via Click Chemistry." International Journal of Molecular Sciences 22, no. 19 (2021): 10407. http://dx.doi.org/10.3390/ijms221910407.

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Amphiphilic copolymers with pendant functional groups in polyester segments are widely used in nanomedicine. These enriched functionalities are designed to form covalent conjugates with payloads or provide additional stabilization effects for encapsulated drugs. A general method is successfully developed for the efficient preparation of functional biodegradable PEG-polyester copolymers via click chemistry. Firstly, in the presence of mPEG as initiator, Sn(Oct)2-catalyzed ring-opening polymerization of the α-alkynyl functionalized lactone with D,L-lactide or ε-caprolactone afforded linear mPEG-
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Zhang, Shuo, Thu Vi, Kai Luo, and Jeffrey T. Koberstein. "Kinetics of Polymer Interfacial Reactions: Polymer Brush Formation by Click Reactions of Alkyne End-Functional Polymers with Azide-Functional Substrates." Macromolecules 49, no. 15 (2016): 5461–74. http://dx.doi.org/10.1021/acs.macromol.6b01220.

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De, Ranjit, Minhyuk Jung, and Hohjai Lee. "Designing Microparticle-Impregnated Polyelectrolyte Composite: The Combination of ATRP, Fast Azidation, and Click Reaction Using a Single-Catalyst, Single-Pot Strategy." International Journal of Molecular Sciences 20, no. 22 (2019): 5582. http://dx.doi.org/10.3390/ijms20225582.

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Polystyrene microparticles were covalently impregnated into the networks of functional polyelectrolyte chains designed via a tandem run of three reactions: (i) synthesis of water-soluble polyelectrolyte, (ii) fast azidation and (iii) a ‘click’ reaction, using the single-catalyst, single-pot strategy at room temperature in mild aqueous media. The model polyelectrolyte sodium polystyrenesulfonate (NaPSS) was synthesized via the well-controlled atom transfer radical polymerization (ATRP) whose halogen living-end was transformed to azide and subsequently coupled with an alkyne carboxylic acid thro
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Albuszis, Marco, Peter J. Roth, Franziska Exnowitz, Doris Locsin Wong, Werner Pauer, and Hans-Ulrich Moritz. "Synthesis and in-depth characterization of reactive, uniform, crosslinked microparticles based on free radical copolymerization of 4-vinylbenzyl azide." Polymer Chemistry 7, no. 5 (2016): 1168–80. http://dx.doi.org/10.1039/c5py01848j.

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Tamura, Atsushi, Asato Tonegawa, Yoshinori Arisaka, and Nobuhiko Yui. "Versatile synthesis of end-reactive polyrotaxanes applicable to fabrication of supramolecular biomaterials." Beilstein Journal of Organic Chemistry 12 (December 28, 2016): 2883–92. http://dx.doi.org/10.3762/bjoc.12.287.

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Cyclodextrin (CD)-threaded polyrotaxanes (PRXs) with reactive functional groups at the terminals of the axle polymers are attractive candidates for the design of supramolecular materials. Herein, we describe a novel and simple synthetic method for end-reactive PRXs using bis(2-amino-3-phenylpropyl) poly(ethylene glycol) (PEG-Ph-NH2) as an axle polymer and commercially available 4-substituted benzoic acids as capping reagents. The terminal 2-amino-3-phenylpropyl groups of PEG-Ph-NH2 block the dethreading of the α-CDs after capping with 4-substituted benzoic acids. By this method, two series of
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Kocaarslan, Azra, Zafer Eroglu, Önder Metin, and Yusuf Yagci. "Exfoliated black phosphorous-mediated CuAAC chemistry for organic and macromolecular synthesis under white LED and near-IR irradiation." Beilstein Journal of Organic Chemistry 17 (September 23, 2021): 2477–87. http://dx.doi.org/10.3762/bjoc.17.164.

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The development of long-wavelength photoinduced copper-catalyzed azide–alkyne click (CuAAC) reaction routes is attractive for organic and polymer chemistry. In this study, we present a novel synthetic methodology for the photoinduced CuAAC reaction utilizing exfoliated two-dimensional (2D) few-layer black phosphorus nanosheets (BPNs) as photocatalysts under white LED and near-IR (NIR) light irradiation. Upon irradiation, BPNs generated excited electrons and holes on its conduction (CB) and valence band (VB), respectively. The excited electrons thus formed were then transferred to the CuII ions
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Dissertations / Theses on the topic "Azide Functional Polymers"

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Reshmi, S. "Investigations on Azide Functional Polymers as Binders for Solid Propellants." Thesis, 2014. http://etd.iisc.ac.in/handle/2005/3506.

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This thesis contains investigations in the area of polymers herein propellants binders are modified functionally to meet the requirements of future energetic propellants. Chapter 1 contains a broad introduction to the area of recent advances in solid propellants and the numerous applications of ‘Click Chemistry’. Chapters 2 details the materials, characterization tools and the experimental techniques employed for the studies. This is followed by Chapter 3, 4, and 5 which deals with functional modification of various propellants binders, their characterisation and evaluation in propellant formu
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Reshmi, S. "Investigations on Azide Functional Polymers as Binders for Solid Propellants." Thesis, 2014. http://etd.iisc.ernet.in/2005/3506.

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This thesis contains investigations in the area of polymers herein propellants binders are modified functionally to meet the requirements of future energetic propellants. Chapter 1 contains a broad introduction to the area of recent advances in solid propellants and the numerous applications of ‘Click Chemistry’. Chapters 2 details the materials, characterization tools and the experimental techniques employed for the studies. This is followed by Chapter 3, 4, and 5 which deals with functional modification of various propellants binders, their characterisation and evaluation in propellant formu
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Book chapters on the topic "Azide Functional Polymers"

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Arkenberg, Matthew R., Min Hee Kim, and Chien-Chi Lin. "Click Hydrogels for Biomedical Applications." In Multicomponent Hydrogels. The Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781837670055-00155.

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Hydrogels crosslinked by homopolymerization of single component acrylate/methacrylate terminated polymers (e.g., poly(ethylene glycol) diacrylate, or PEGDA) were once the dominant biomaterials in biomedical applications, including the encapsulation of therapeutic agents and biological molecules. However, accumulating evidence has revealed many disadvantages of homopolymerized hydrogels, including heterogeneity of the crosslinking that adversely impacted the bioactivity of the encapsulated molecules. As such, recent years have witnessed the expansive use of modular click chemistry for the crosslinking of multicomponent hydrogels, typically consisting of two or more functionally distinct macromolecular building blocks. This chapter provides an overview of the crosslinking and applications of multicomponent hydrogels, focusing on those crosslinked by strain-promoted alkyne–azide cycloaddition (SPAAC), Michael-type addition, Diels–Alder (DA) reactions, inverse electron-demand Diels–Alder (iEDDA), thiol–ene polymerizations, and imine/hydrazone/oxime click reactions. This chapter also summarizes information regarding the characteristics, advantages, and limitations of commonly used synthetic (e.g., PEG, poly(acrylate), poly(vinyl alcohol), etc.) and naturally-derived macromers (e.g., gelatin, hyaluronic acid, etc.) for forming multicomponent hydrogels. Finally, an overview is given on the applications of multicomponent hydrogels in drug delivery, biofabrication, and 3D/4D cell culture.
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Ma, Jusha, Qinyuan Niu, and Wenhui Wu. "Preparation of Functional Polymer-Grafted Cellulose through Azide Alkyne Cycloaddition or C–C Cross-Coupling." In Cellulose-Based Graft Copolymers. CRC Press, 2015. http://dx.doi.org/10.1201/b18390-4.

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"Preparation of Functional Polymer-Grafted Cellulose through Azide Alkyne Cycloaddition or C–C Cross-Coupling." In Cellulose-Based Graft Copolymers. CRC Press, 2015. http://dx.doi.org/10.1201/b18390-7.

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