English, Article edition: AMPHIPHILIC COMB-SHAPED DIBLOCK POLYMER BRUSHES ON Si(100) SUBSTRATES VIA SURFACE-INITIATED ATOM TRANSFER RADICAL POLYMERIZATION JIN-WEN PENG; WEI HUANG; EN-TANG KANG; ...

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Bookmark: http://trove.nla.gov.au/version/84329
Physical Description
  • article
Language
  • English

Edition details

Title
  • AMPHIPHILIC COMB-SHAPED DIBLOCK POLYMER BRUSHES ON Si(100) SUBSTRATES VIA SURFACE-INITIATED ATOM TRANSFER RADICAL POLYMERIZATION
Author
  • JIN-WEN PENG
  • WEI HUANG
  • EN-TANG KANG
  • KOON GEE NEOH
Physical Description
  • article
Notes
  • Amphiphilic comb-shaped 2-hydroxyethyl methacrylate-graft-poly(styrene)-block-poly(poly (ethylene glycol) monomethacrylate) (P(HEMA)âgâPSâbâP(PEGMA)) copolymer brushes, covalently tethered on Si(100) substrate, have been successfully prepared by (i) UV-induced hydrosilylation of 4-vinylbenzyl chloride (VBC) with the hydrogen-terminated Si(100) (SiâVBC surface), (ii) surface-initiated atom transfer radical polymerization (ATRP) of 2-hydroxyethyl methacrylate (HEMA) to give the SiâVBCâgâP(HEMA) surface, (iii) coupling of 2-bromoisobutyryl bromide with the HEMA units via esterification to provide the comb-shaped macroinitiators (SiâVBCâgâP(HEMA)âR3Br) for the subsequent ATRP, (iv) surface-initiated ATRP of styrene (St) to produce the SiâVBCâgâP(HEMA)âgâPS surface, and (v) the persisting of an active PS chain end can be used as the initiator for the subsequent ATRP of poly(ethylene glycol) monomethacrylate (PEGMA) to give the amphiphilic SiâVBCâgâP(HEMA)âgâPSâbâP(PEGMA) brush surface. The chemical composition and functionality of the silicon surface were tailored by the well-defined comb-shaped PS and P (PEGMA) brushes.
  • Amphiphilic, silicon surface, ATRP, comb-shaped
  • RePEc:wsi:srlxxx:v:13:y:2006:i:02:p:251-257
Language
  • English
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