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Volumn 121, Issue 5, 1999, Pages 1016-1022

Surface-initiated anionic polymerization of styrene by means of self assembled monolayers

Author keywords

[No Author keywords available]

Indexed keywords

STYRENE;

EID: 0033540697     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja981348l     Document Type: Article
Times cited : (375)

References (62)
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    • note
    • Since a direct measurement of the molecular weight as well as the polydispersity index of the obtained polymer is not trivial, if not impossible due to the very small total amount of grafted chains, no experimentally accessible values can be given at this point. However, experiments are currently ongoing to address this question. An alternative way would be the preparation of PS brushes on small particles to increase the surface area and therefore the total amount of polymer. Following the idea of Rühe et al. after detachment of the entire layer, the polymer could be characterized by using mass spectrometry or chromatographic techniques. This would not be a legitimate solution to the problem because growing polymers on a curved surface present sterically an entire different system, affecting the kinetics of the starting and propagation reaction as well as brush conformation of the final material. Thus, one cannot directly compare such a system with the one presented in this paper.
  • 55
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    • note
    • Polymerization in the solution has to be expected due to the relatively high excess of added sec-BuLi.
  • 61
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    • note
    • The ER FTIR spectrum of the substrate before extraction can be considered as a bulk spectrum due to the high amount of adsorbed but not grafted polystyrene on top of the grafted layer.
  • 62
    • 0344488009 scopus 로고    scopus 로고
    • note
    • x adsorption bands are mainly due to beam-substrate edge interaction. Therefore no further information can be retrieved other than the simple identification of the surface layer by the characteristic PS adsorption bands.


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