Literatura académica sobre el tema "Copolymer/oligomers"

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Artículos de revistas sobre el tema "Copolymer/oligomers"

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Shibata, Mitsuhiro, Ryutoku Yosomiya, Junzuo Wang, et al. "Synthesis and Properties of Block Copolymers of Poly(ether sulphone)s with Liquid Crystalline Polyester Units." Engineering Plastics 5, no. 1 (1997): 147823919700500. http://dx.doi.org/10.1177/147823919700500101.

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Block copolymers of poly(ethersulphone) (PES) oligomers with liquid crystalline polyester units were synthesized by the reaction of dihydroxy-terminated poly(ether sulphone) oligomers (number-average molecular weights: 704, 1,158 and 2570) and terephthaloyl bis(4-oxybenzoyl chloride), and their properties were investigated. The results indicated that the copolymer with PES segments of molecular weight of 704 possessed birefringent features when annealed at 360°C, while the copolymer with PES segments of molecular weight of 2,570 became isotropic. Also, the block copolymers had a better chemica
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Shibata, Mitsuhiro, Ryutoku Yosomiya, Junzuo Wang, et al. "Synthesis and Properties of Block Copolymers of Poly(ether sulphone)s with Liquid Crystalline Polyester Units." Polymers and Polymer Composites 5, no. 1 (1997): 1–5. http://dx.doi.org/10.1177/096739119700500101.

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Block copolymers of poly(ethersulphone) (PES) oligomers with liquid crystalline polyester units were synthesized by the reaction of dihydroxy-terminated poly(ether sulphone) oligomers (number-average molecular weights: 704, 1,158 and 2570) and terephthaloyl bis(4-oxybenzoyl chloride), and their properties were investigated. The results indicated that the copolymer with PES segments of molecular weight of 704 possessed birefringent features when annealed at 360°C, while the copolymer with PES segments of molecular weight of 2,570 became isotropic. Also, the block copolymers had a better chemica
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Polenz, I., A. Laue, T. Uhrin, et al. "Thermally cleavable imine base/isocyanate adducts and oligomers suitable as initiators for radical homo- and copolymerization." Polym. Chem. 5, no. 23 (2014): 6678–86. http://dx.doi.org/10.1039/c4py01002g.

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Shibata, Mitsuhiro, Masaya Katoh, Hayato Takase та Ayaka Shibita. "Stereocomplex formation in stereoblock copolymer networks composed of 4-armed star-shaped lactide oligomers and a 2-armed ε-caprolactone oligomer". Polymer Chemistry 6, № 22 (2015): 4123–32. http://dx.doi.org/10.1039/c5py00401b.

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Kuhnt, Tobias, Ramiro Marroquín García, Sandra Camarero-Espinosa, et al. "Poly(caprolactone-co-trimethylenecarbonate) urethane acrylate resins for digital light processing of bioresorbable tissue engineering implants." Biomaterials Science 7, no. 12 (2019): 4984–89. http://dx.doi.org/10.1039/c9bm01042d.

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Gaborieau, Marianne, Tim J. Causon, Yohann Guillaneuf, Emily F. Hilder, and Patrice Castignolles. "Molecular Weight and Tacticity of Oligoacrylates by Capillary Electrophoresis - Mass Spectrometry." Australian Journal of Chemistry 63, no. 8 (2010): 1219. http://dx.doi.org/10.1071/ch10088.

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Oligo(acrylic acid) efficiently stabilizes polymeric particles, especially particles produced by reversible addition–fragmentation chain transfer (RAFT) (as hydrophilic block of an amphiphilic copolymer). Capillary electrophoresis (CE) has a far higher resolution power to separate these oligomers than the commonly used size exclusion chromatography. Coupling CE to electrospray ionization mass spectrometric detection unravels the separation mechanism. CE separates these oligomers, not only according to their degree of polymerization, but also according to their tacticity, in agreement with NMR
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Kubicova, Marie, Elise Puchta, Sebastian Säger, Constanze Hug, Sandra Hofmann, and Thomas J. Simat. "Styrene-acrylonitrile-copolymer and acrylonitrile-butadiene-styrene-copolymer: a study on extractable and migratable oligomers." Food Additives & Contaminants: Part A 39, no. 2 (2021): 397–414. http://dx.doi.org/10.1080/19440049.2021.1995631.

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DONG, L. M., G. X. LIAO, C. LIU, S. S. YANG, and X. G. JIAN. "SYNTHESIS AND CHARACTERIZATION OF POLY(PHTHALAZINONE ETHER NITRILE) COPOLYMERS WITH HYDROPHOBIC SURFACE." Surface Review and Letters 15, no. 05 (2008): 705–9. http://dx.doi.org/10.1142/s0218625x08011731.

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Poly(phthalazinone ether nitrile) (PPEN) block copolymers containing polysiloxane were prepared so as to create a strongly hydrophobic polymer surface. The copolymers were synthesized from eugenol end-capped polydimethylsiloxane (PDMS) and fluoro-terminated PPEN oligomers by the aromatic nucleophilic substitution polycondensation in the presence of dimethyl sulfoxide/o-dichlorobenzene and K 2 CO 3 as solvents and catalyst, respectively. The resultant copolymers were characterized by FTIR, 1 H NMR, and gel permeation chromatography. XPS analysis results indicated that the copolymer film had a v
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Gao, Xin, Lei Deng, Jianfeng Hu, and Hao Zhang. "Ferrocene-Containing Conjugated Oligomers Synthesized by Acyclic Diene Metathesis Polymerization." Polymers 11, no. 8 (2019): 1334. http://dx.doi.org/10.3390/polym11081334.

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A series of conjugated, symmetrical, and ferrocene-containing main-chain monomers was prepared following a gentle coupling reaction. Ferrocene-containing oligomers with all-trans-configured vinylene bonds could be synthesized via acyclic diene metathesis (ADMET) polymerization. These oligomers had a larger Stokes shift (2400 to 2600 cm−1) and both exhibited stable and reversible electrochemistry. Meanwhile, the copolymerization of 1,1’-bis[1-methyl-2-(4-vinylphenyl)ethenyl]ferrocene with 2,7-divinyl-9,9-dioctylfluorene was achieved. The structurally regular copolymers proved their optical and
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Satoh, Kotaro, and Masami Kamigaito. "Sequence-Controlled Vinyl Polymers by Transition Metal-Catalyzed Step-Growth and Living Radical Polymerizations." MRS Proceedings 1613 (2014): 17–21. http://dx.doi.org/10.1557/opl.2014.153.

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ABSTRACTThe metal-catalyzed step-growth radical polymerization was achieved to enable two systems for preparing tailored polymeric structures, i.e., sequence-regulated vinyl copolymer and periodically-functionalized polymer. The former is a novel strategy for preparing sequence-regulated vinyl copolymers by step-polymerization of sequence-regulated vinyl oligomers prepared from common vinyl monomers as building blocks. The later deals the simultaneous chain- and step-growth radical polymerization, which resulted in the polymers with periodic functional groups.
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Tesis sobre el tema "Copolymer/oligomers"

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Ding, Mengli. "Synthesis and drug delivery applications of iron(III) trimesate nanoMOFs." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASF095.

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Les matériaux hybrides organiques-inorganiques à l'échelle nanométrique (nanoMOFs) ont montré un potentiel significatif dans le domaine de la libération contrôlée de médicaments (DDS) en raison de leurs propriétés avantageuses, notamment des compositions modulables, une porosité importante, de grandes surfaces spécifiques, de bonnes biocompatibilités et dégradabilités. Parmi la famille de nanoMOFs, le MIL-100(Fe) (MIL signifie Matériaux de l'Institut Lavoisier), construit à partir de trimères de fer et de ligands organiques (trimésate), a été largement étudié, avec des données bien documentées
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Libros sobre el tema "Copolymer/oligomers"

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Wash.) IEEE Photovoltaic Specialists Conference (37th 2011 Seattle. Oligomeric dithienopyrrole-thienopyrrolodione (DTP-TPD) donor-acceptor copolymer for organic photovoltaics: Preprint. National Renewable Energy Laboratory, 2011.

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