Results 31 to 40 of about 22,019 (267)

Preparation and Characterization of Hyperbranched Polystyrene Nanocomposite Synthesized by Living Radical Polymerization and Solution Intercalation Method [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
A copolymer of styrene and methyl styrene was synthesized by nitroxide - mediated “living” free radical polymerization )NMP). N-Bromosuccinimide was used as a brominating agent to obtain a copolymer with bromine as its end group.
Mojtaba Abbasian   +3 more
doaj   +1 more source

Open-air green-light-driven ATRP enabled by dual photoredox/copper catalysis

open access: yesChemical Science, 2022
Photoinduced atom transfer radical polymerization (photo-ATRP) has risen to the forefront of modern polymer chemistry as a powerful tool giving access to well-defined materials with complex architecture. However, most photo-ATRP systems can only generate
Grzegorz Szczepaniak   +9 more
semanticscholar   +1 more source

Preparation of Polystyrene Nanocomposite by In Situ Atom Transfer Radical Polymerization: Study of Polymerization Kinetics in the Presence of Clay [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2009
Styrene nanocomposites were synthesized by in-situ atom transfer radical polymerization at 110oC. The variations of monomer conversion and the linearity of semilogarithmic kinetic plot, some signs of living polymerizationand constant radical ...
H. Roghani-Mamaqani   +3 more
doaj   +1 more source

Iron Catalysts in Atom Transfer Radical Polymerization

open access: yesMolecules, 2020
Catalysts are essential for mediating a controlled polymerization in atom transfer radical polymerization (ATRP). Copper-based catalysts are widely explored in ATRP and are highly efficient, leading to well-controlled polymerization of a variety of ...
Sajjad Dadashi-Silab   +1 more
doaj   +1 more source

A Comparative Study between FRP and ATRP of Styrene by Monte Carlo Simulation: Effect of Free Radical Mobility [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2010
Styrene polymerization through FRP and ATRP methods was carried out at 110oC, while in-depth studies were performed by Monte Carlo simulation.The changes in monomer conversion, initiator concentration, average molecular weight, and polydispersity index ...
M. Najafi   +3 more
doaj   +1 more source

Inhibiting the Thermal Gelation of Copolymer Stabilized Nonaqueous Dispersions and the Synthesis of Full Color PMMA Particles [PDF]

open access: yes, 2016
Polymeric particle dispersions have numerous potential applications; currently one of the most relevant is their use as inks in electrophoretic displays.
Simon J. Holder (1866523)   +7 more
core   +1 more source

Advances in Organocatalyzed Atom Transfer Radical Polymerization

open access: yesAdvances in Polymer Technology, 2019
Atom transfer radical polymerization (ATRP) is one of the most robust tools to prepare well-defined polymers with precise topologies and architectures. Although series of improved ATRP methods have been developed to decrease the metal catalyst loading to
Xin Hu, Ning Zhu, Kai Guo
doaj   +1 more source

Effect of Reactant Concentration Variations on the Kinetics of Atom Transfer Radical Polymerization of Acrylonitrile [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
Polyacrylontrile synthesis, via atom transfer radical polymerization, is studied in various initiator concentrations, transitional metal catalyst and different concentrations of CuBr2.
H. Roghani-Mamaqani   +3 more
doaj   +1 more source

Exploring solution ICAR ATRP of methyl acrylate with AIBN as azo initiator: a kinetic modeling and simulation study

open access: yesResults in Materials, 2022
Supplementary techniques to atom transfer radical polymerization (ATRP) have been studied to reduce the concentration of catalytic complexes used, aiming at a less costly and more environmentally friendly process for synthesizing polymeric materials ...
Guilherme C.L. Faria, Emerson P. Lyra
doaj   +1 more source

Toward Green Atom Transfer Radical Polymerization: Current Status and Future Challenges

open access: yesAdvanced Science, 2022
Reversible‐deactivation radical polymerizations (RDRPs) have revolutionized synthetic polymer chemistry. Nowadays, RDRPs facilitate design and preparation of materials with controlled architecture, composition, and functionality.
Sylwia Dworakowska   +3 more
doaj   +1 more source

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