Surface-Initiated Anionic Polymerization from Nanomaterials

Li, Zhong; Baskaran, Durairaj

doi:10.1007/978-4-431-54186-8_11

Cited by 3 publications

(3 citation statements)

References 81 publications

(85 reference statements)

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“…SI-anionic and cationic polymerizations are excellent routes in providing polymer grafted nanoparticles (PGNPs) with predetermined molecular weights of narrow dispersity [ 60 , 61 , 62 , 63 ]. However, the complexity of the experimental techniques limits their broad use [ 64 , 65 , 66 , 67 ]. Alternatively, initiator immobilized NPs have been subjected to free radical polymerization to yield graft NPs [ 68 , 69 ].…”

Section: Grafting From Approachmentioning

confidence: 99%

Recent Advances in the Synthesis of Polymer-Grafted Low-K and High-K Nanoparticles for Dielectric and Electronic Applications

et al. 2021

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The synthesis of polymer-grafted nanoparticles (PGNPs) or hairy nanoparticles (HNPs) by tethering of polymer chains to the surface of nanoparticles is an important technique to obtain nanostructured hybrid materials that have been widely used in the formulation of advanced polymer nanocomposites. Ceramic-based polymer nanocomposites integrate key attributes of polymer and ceramic nanomaterial to improve the dielectric properties such as breakdown strength, energy density and dielectric loss. This review describes the ”grafting from” and ”grafting to” approaches commonly adopted to graft polymer chains on NPs pertaining to nano-dielectrics. The article also covers various surface initiated controlled radical polymerization techniques, along with templated approaches for grafting of polymer chains onto SiO2, TiO2, BaTiO3, and Al2O3 nanomaterials. As a look towards applications, an outlook on high-performance polymer nanocomposite capacitors for the design of high energy density pulsed power thin-film capacitors is also presented.

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Section: Grafting From Approachmentioning

confidence: 99%

Recent Advances in the Synthesis of Polymer-Grafted Low-K and High-K Nanoparticles for Dielectric and Electronic Applications

et al. 2021

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“…3−5 The modification of surfaces with polymer brush films provides myriad opportunities to engineer the surface properties and functionality of materials. 6−8 The scope of surface-initiated polymerization chemistries is very diverse and includes most of the commonly used controlled radical polymerization methods 9,10 as well as anionic, 11,12 cationic, 11,13−15 and ringopening polymerization. 16−22 Together, these techniques provide access to polymer brushes from a vast range of monomer building blocks.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Controlled/living polymerization reactions are powerful methods, not only for the solution synthesis of polymers with well-defined molecular characteristics but also to graft polymers from surfaces. , Surface-initiated polymerizations generate densely packed, chain-end-tethered polymer films that are commonly referred to as polymer brushes. − The modification of surfaces with polymer brush films provides myriad opportunities to engineer the surface properties and functionality of materials. − The scope of surface-initiated polymerization chemistries is very diverse and includes most of the commonly used controlled radical polymerization methods , as well as anionic, , cationic, ,− and ring-opening polymerization. − Together, these techniques provide access to polymer brushes from a vast range of monomer building blocks.…”

Section: Introductionmentioning

confidence: 99%

Polymethylene Brushes via Surface-Initiated C1 Polyhomologation

Thiele

Klok

2021

J. Am. Chem. Soc.

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Surface-initiated polymerization reactions are a powerful tool to generate chain-end-tethered polymer brushes. This report presents a synthetic strategy that gives access to structurally well-defined hydrocarbon polymer brushes of controlled molecular weights, which can be further modified to generate more complex surface-attached polymer architectures. The hydrocarbon brushes reported in this study are polymethylene brushes that are obtained via surface-initiated C1 polyhomologation of dimethylsulfoxonium methylide. The strategy outlined here is based on the use of an alkylboronic acid pinacol ester initiator, which allows for controlled, unidirectional chain growth by monomer insertion into only the C–B bond of the initiator and which presents the polymerization active group at the growing polymer chain end. This surface-initiated C1 polyhomologation methodology is compatible with photopatterning strategies and can be used to generate micropatterned polymethylene brush films. Furthermore, conversion of the boronic ester chain-end functionalities to hydroxyl groups allows for selective chain-end modification and enables access to a variety of surface-anchored block copolymer architectures by chain extension via, for example, ring-opening or atom transfer radical polymerization chemistries.

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