Development of novel attachable initiators for atom transfer radical polymerization. Synthesis of block and graft copolymers from poly(dimethylsiloxane) macroinitiators

Nakagawa, Y.; Miller, Peter J.; Matyjaszewski, Krzysztof

doi:10.1016/s0032-3861(97)10176-8

Cited by 92 publications

(83 citation statements)

References 20 publications

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“…The chemical shifts at 3 = 6.93-8.02 ppm (a in figure 2a and 2b) were assigned to the aromatic protons of PEI-Cl and PEI polymers. After chloromethylation, a new chemical shift at 3 = 4.59 ppm (b in figure 2a) was assigned to the protons of benzyl chloride [22] in the PEI-Cl polymer, indicating the presence of The chemical composition of the PEI surface at various stages of surface modification was determined by XPS. The wide-scan spectra of the pristine PEI and PEI-Cl membrane surfaces are shown in figure 3a and 3b.…”

Section: Resultsmentioning

confidence: 99%

Functionalization of Poly(ether imide) Membranes via Surface-Initiated Atom-Transfer Radical Polymerization and their Use in Antifouling

Yan

et al. 2008

High Performance Polymers

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Poly(ether imide) (PEI) was chloromethylated by a simple one-step method under mild conditions to provide surface benzyl chloride groups as the active initiators for the surface-initiated atomtransfer radical polymerization (ATRP). Functional hydrophilic polymer brushes of poly(ethylene glycol) monomethacrylate and sodium 4-styrenesulfonate, as well as their block copolymer brushes, were synthesized via surface-initiated ATRP from the chloromethylated PEI membrane surfaces. The surfacemodified membranes were studied by X-ray photoelectron spectroscopy. Using the bovine serum albumin solution adsorption test, the grafted PEI membranes showed great antifouling properties compared to the pristine PEI surface. Thus, the chloromethylated PEI membranes with the active ATRP initiators opens up opportunities for the functionalization of membranes via surface molecular design.

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Section: Resultsmentioning

confidence: 99%

Functionalization of Poly(ether imide) Membranes via Surface-Initiated Atom-Transfer Radical Polymerization and their Use in Antifouling

Yan

et al. 2008

High Performance Polymers

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“…These results are in good agreement, in terms of controllability, with literature reports describing similar ATRP syntheses involving PDMS-based macroinitiators. [13,15,16] …”

Section: Synthesis Of Pdms-b-ps-brmentioning

confidence: 99%

Nitroxide‐Mediated Radical Dispersion Polymerization of Styrene in Supercritical Carbon Dioxide Using a Poly(dimethylsiloxane‐block‐styrene) Alkoxyamine as Initiator and Stabilizer

McHale

Aldabbagh

Zetterlund

et al. 2006

Macromol. Rapid Commun.

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Summary: Nitroxide‐mediated dispersion polymerization of styrene in supercritical carbon dioxide has been performed successfully at 110 °C using a new polymeric so‐called inistab species, which fulfils the dual functions of an initiator and a colloidal stabilizer. The inistab species comprised a poly(dimethylsiloxane) block and a polystyrene block end‐capped with the nitroxide N‐tert‐N‐butyl‐N‐[1‐diethylphosphono‐(2,2‐dimethylpropyl)] nitroxide (SG1). The dispersion polymerization resulted in sub‐micron sized polymer particles and polymers of narrow polydispersity.

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“…[29][30][31][32] These approaches expand the range of possible polymer chemistries available for PDMS-containing block copolymers. NMP and ATRP have been used to prepare PDMScontaining block copolymers with hydrophobic blocks, such as PS, 18,23,24,[26][27][28] poly(alkyl methacrylates), 17,20,22,25 and poly(fluoroalkyl methacrylates) similar to those used in block copolymer lithography.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of polydimethylsiloxane‐containing block copolymers via reversible addition fragmentation chain transfer (RAFT) polymerization

Wadley¹,

Cavicchi²

2009

J of Applied Polymer Sci

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Low polydispersity polydimethylsiloxane (PDMS) was end functionalized with a reversible addition fragmentation chain transfer (RAFT) agent by the esterification of hydroxyl terminated PDMS with a carboxylic acid functional RAFT agent. These PDMS-RAFT agents were able to control the free radical polymerization of styrene and substituted styrene monomers to produce PDMScontaining block copolymers with low polydispersities and targeted molecular weights. A thin film of polydimethylsiloxane-block-polystyrene was prepared by spin coating and exhibited a microphase separated morphology from scanning force microscopy measurements. Controlled swelling of these films in solvent vapor produced morphologies with significant long-range order. This synthetic route will allow the straightforward production of PDMS-containing block copolymer libraries that will be useful for investigating their thin film morphological behavior, which has applications in the templating of nanostructured materials.

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Development of novel attachable initiators for atom transfer radical polymerization. Synthesis of block and graft copolymers from poly(dimethylsiloxane) macroinitiators

Cited by 92 publications

References 20 publications

Functionalization of Poly(ether imide) Membranes via Surface-Initiated Atom-Transfer Radical Polymerization and their Use in Antifouling

Functionalization of Poly(ether imide) Membranes via Surface-Initiated Atom-Transfer Radical Polymerization and their Use in Antifouling

Nitroxide‐Mediated Radical Dispersion Polymerization of Styrene in Supercritical Carbon Dioxide Using a Poly(dimethylsiloxane‐block‐styrene) Alkoxyamine as Initiator and Stabilizer

Synthesis of polydimethylsiloxane‐containing block copolymers via reversible addition fragmentation chain transfer (RAFT) polymerization

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