• A few important uses of anionic polymerization include the following: Calibration standards for gel permeation chromatography Microphase separating block copolymers Thermoplastic elastomeric materials Jenkins, A. D. (wikipedia.org)
  • The synthetic strategy involved: (a) the preparation of OH-end-functionalized homopolymers or diblock copolymers by anionic polymerization, (b) the reaction of the OH-functionalized polymers with CpTiCl 3 to give the corresponding Ti-macrocatalyst, and (c) the ROP of LLA to afford the final block copolymers. (edu.sa)
  • These copolymers typically are prepared by sequential anionic polymerization or by chemical coupling of linear diblock copolymers. (allindianpatents.com)
  • Crystalline Carbosilane-Based Block Copolymers: Synthesis by Anionic Polymerization and Morphology Evaluation in the Bulk State. (leibniz-inm.de)
  • Synthesis and microphase separation of dendrimer-like block copolymers by anionic polymerization strategies. (leibniz-inm.de)
  • It can be considered as an alternative to radical polymerization, and may refer to anionic polymerization or cationic polymerization. (wikipedia.org)
  • In both anionic and cationic polymerization, each charged chain end (negative and positive, respectively) is matched by a counterion of opposite charge that originates from the initiator. (wikipedia.org)
  • This observation, coupled with the determination that the product was polystyrene, indicated that a living, anionic polymerization had been initiated by the addition of electrons. (wikipedia.org)
  • Ionic Polymerization: Anionic and Cationic Polymerization" (PDF). (wikipedia.org)
  • The oligosaccharides generated up to degree of polymerization 16 were characterized by high-performance anion-exchange chromatography (HPAEC) with pulsed amperometric detection (PAD) and electrospray ionization mass spectrometry (ESI-MS). Acetate buffer linear gradients were used as mobile phases for separations of oligosaccharides. (maigrir-regime-musculation.com)
  • 2 Anionic Polymerization of Vinyl and Related Monomers, Michel Fontanille and Yves Gnanou. (chemtec.org)
  • IC is the preferred method for selective and sensitive screening of both cationic and anionic pharmaceutical counterions (2). (chromatographyonline.com)
  • 2023) "Novel highly active and selective CoNSC efficient ORR catalyst derived from in-situ egg gel pyrolysis" Fuel, 333, 126432. (showpauloke.com)
  • Intermediate and final products were characterized by NMR spectroscopy and size exclusion chromatography, equipped with refractive index and two-angle laser light scattering detectors. (edu.sa)
  • It can be considered as an alternative to radical polymerization, and may refer to anionic polymerization or cationic polymerization. (wikipedia.org)
  • In both anionic and cationic polymerization, each charged chain end (negative and positive, respectively) is matched by a counterion of opposite charge that originates from the initiator. (wikipedia.org)
  • Ionic Polymerization: Anionic and Cationic Polymerization" (PDF). (wikipedia.org)
  • A novel polymerization mechanism transformation strategy, involving anionic ring-opening polymerization and photoinduced cationic polymerization, is successfully applied for the synthesis of poly(ethylene oxide)-graft-poly(isobutyl vinyl ether) (PEO-g-PIBVE). (itu.edu.tr)
  • An introduction is given to the background theory and scientific literature of the major subject areas of interest in this thesis, namely the chemistry of free radical and anionic polymerisation, molecular weight control in each type of polymerisation, polymerisation reactors, computer simulation of polymerisation processes and polymer characterisation by gel permeation chromatography. (brad.ac.uk)
  • An experimental study, which includes digital computer modelling, of the homopolymerisation of styrene and methylmethacrylate by anionic and free radical mechanisms respectively in continuous flow-stirred-tank reactors. (brad.ac.uk)
  • Meanwhile, group 1 metals such as lithium, sodium, and potassium, and their organic compounds (e.g. sodium naphthalene) serve as effective anionic initiators. (wikipedia.org)
  • Then a new photosensitive amphiphilic comblike terpolymer (P(St/CS-alt-MAA8)) with long alkyl side chains was obtained by the functional amidolysis reaction between succinic anhydride unit and octylamine, and its structure was characterized by gel permeation in chromatography (GPC), Fourier transforminfrared spectroscopy (FTIR), and 1Hnuclear magnetic resonance (1HNMR). (pku.edu.cn)