Substrate-Independent Approach for Polymer Brush Growth by Surface Atom Transfer Radical Polymerization

Teare, D. O. H.; Barwick, David C.; Schofield, W. C. E.; Garrod, R. P.; Ward, L. J.; Badyal, J. P. S.

doi:10.1021/la051772h

Cited by 51 publications

(52 citation statements)

References 61 publications

(97 reference statements)

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“…Vinylbenzyl chloride precursor vapor was introduced into the chamber at a pressure of 0.2 mbar for 5 min followed by ignition of the electrical discharge. The optimum duty cycle for structural retention of the benzyl chloride functionality corresponded to on-period = 100 µs and off-period = 4 ms in combination with peak power = 30 W. 28 Upon completion of deposition, the precursor vapour was allowed to continue to flow through the system for a further 5 min in order to quench any trapped reactive sites present within the deposited film. Patterned ATRP initiator layers were fabricated by depositing 100 nm thickness pulsed plasma poly(vinylbenzyl chloride) through a mask (brass mesh, 400 µm pore diameter).…”

Section: Sample Preparationmentioning

confidence: 99%

“…This entails the growth of alkyl acrylate polymer brushes by atom transfer radical polymerisation (ATRP) 27 from pulsed plasma deposited poly(vinylbenzyl chloride) initiator layers. 28 Pulsed plasma deposited polymer films can be tailored to a high degree of molecular specificity, where the short plasma duty cycle on-period (microseconds) generates active sites in the gas phase and at the growing film surface and these initiate conventional polymerisation reaction pathways during the longer plasma off-period (milliseconds). 29 Key advantages of pulsed plasmachemical deposition include substrate-independence (metal, inorganic, or polymer substrates) and easily scalable (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Combining plasmachemical emulsion-templating with ATRP to create macroporous lipophilic surfaces

Brown

Wood

Badyal

2014

Journal of Colloid and Interface Science

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Publisher's copyright statement: NOTICE: this is the author's version of a work that was accepted for publication in Journal of Colloid and Interface Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be re ected in this document. Changes may have been made to this work since it was submitted for publication. A de nitive version was subsequently published in Journal of Colloid and Interface Science, 421, 2014, 10.1016/j.jcis.2014.01.019. Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-pro t purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. ABSTRACTWell-defined alkyl chain side group polymer brushes have been tethered onto high surface area macroporous pulsed plasmachemical emulsion-templated poly(vinylbenzyl chloride) initiator layers (typically 600-700 m 2 g -1 ) using atom transfer radical polymerisation (ATRP). Immobilisation of phospholipids onto these bioactive surfaces is found to occur through interdigitation, and the efficacy of lipid binding is governed by the alkyl side group chain length of the polymer brushes.

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Section: Sample Preparationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Combining plasmachemical emulsion-templating with ATRP to create macroporous lipophilic surfaces

Brown

Wood

Badyal

2014

Journal of Colloid and Interface Science

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“…Substrate VBC was a glass slide placed in an evacuated plasma chamber and exposed to vinylbenzylchloride monomer [22] (Sigma Aldrich +97% purity) at a flow rate of 1.6 × 10 −7 kgs −1 with a pressure of 0.2 mbar. Purging for 5 min was followed by ignition of the electrical discharge.…”

Section: Sample Preparationmentioning

confidence: 99%

Evaporation of picoliter droplets on surfaces with a range of wettabilities and thermal conductivities

et al. 2012

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Publisher's copyright statement:Reprinted with permission from the American Physical Society: Talbot, E.L., Berson, A., Brown, P.S. and Bain, C.D. Physical Review E, 85, 061604, 2012. c 2012 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modied, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.Additional information: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. The evaporation of picoliter water and ethanol droplets generated by drop-on-demand inkjet printing was investigated on substrates with apparent contact angles between 10• and 135• and thermal conductivities between 0.25 and 149 W m −1 K −1 . Drying times were calculated from a diffusion-limited model for droplets with both pinned and moving contact lines as a function of droplet diameter and apparent contact angle. Droplets with a moving contact line take longer to dry on hydrophilic substrates than pinned droplets. The difference in drying times between evaporative modes vanishes at large apparent contact angles. Hence similar drying times are obtained for both modes on hydrophobic substrates. The predicted drying times for glass and silicon substrates were in good quantitative agreement with experimental data, suggesting that thermal effects are negligible for substrates of these base materials. However, on a PTFE substrate which has a lower thermal conductivity more relevant to inkjet printing, evaporative cooling reduces the evaporation rate causing drying times to be underpredicted by isothermal models.

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“…This further highlights the broader scope of the presented strategy. [13] As such the proposed strategy depicts a rather simple yet versatile route to polymer brush functionalized soft surfaces.…”

Section: Discussionmentioning

confidence: 96%

Surface Initiated Polymerization on Pulsed Plasma Deposited Polyallylamine: A Polymer Substrate‐Independent Strategy to Soft Surfaces with Polymer Brushes

Yameen

Khan

Knoll

et al. 2011

Macromol. Rapid Commun.

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The deposition of polyallylamine (PAA) adlayers by pulsed plasma polymerization on various types of polymeric substrates has been explored as a general route to amino functionalized polymeric surfaces. These amino groups are highly suitable for anchoring an atom transfer radical polymerization (ATRP) initiator via a robust amide linkage. Subsequent surface initiated ATRP (SI-ATRP) of monomethoxy oligo(ethylene glycol) methacrylate (MeOEGMA) resulted in polyMeOEGMA brush grafted polymer surfaces. This combined strategy of pulsed plasma polymerization with SI-ATRP was demonstrated for five different polymeric substrates namely polyether ether ketone (PEEK), polyethylene terephthalate (PET), polyimide (PI), polypropylene (PP), and polytetrafluoroethylene (PTFE). Analysis of brush layers by attenuated total reflection infrared (ATR-IR) spectroscopy as well as X-ray photoelectron spectroscopy (XPS) fully corroborated the success of the proposed strategy for all substrate types.

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Substrate-Independent Approach for Polymer Brush Growth by Surface Atom Transfer Radical Polymerization

Cited by 51 publications

References 61 publications

Combining plasmachemical emulsion-templating with ATRP to create macroporous lipophilic surfaces

Combining plasmachemical emulsion-templating with ATRP to create macroporous lipophilic surfaces

Evaporation of picoliter droplets on surfaces with a range of wettabilities and thermal conductivities

Surface Initiated Polymerization on Pulsed Plasma Deposited Polyallylamine: A Polymer Substrate‐Independent Strategy to Soft Surfaces with Polymer Brushes

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