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@ARTICLE{Riemer:825958,
      author       = {Riemer, Sven and Prévost, Sylvain and Dzionara, Michaela
                      and Appavou, Marie-Sousai and Schweins, Ralf and
                      Gradzielski, Michael},
      title        = {{A}ggregation behaviour of hydrophobically modified
                      polyacrylate – {V}ariation of alkyl chain length},
      journal      = {Polymer},
      volume       = {70},
      issn         = {0032-3861},
      address      = {Oxford},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2017-00230},
      pages        = {194 - 206},
      year         = {2015},
      abstract     = {The aggregation behaviour in aqueous solution of
                      hydrophobically modified polyacrylates, synthesized by
                      Atomic Transfer Radical Copolymerisation (ATRP) of mixtures
                      of alkyl acrylate and t-butyl acrylate and subsequent
                      hydrolysis of the t-butyl acrylate, was investigated by a
                      combination of static and dynamic light scattering with
                      small-angle neutron scattering (SANS). The degree of
                      amphiphilicity was varied by the percentage of alkyl chains
                      and the length of the alkyl chain (butyl to dodecyl), and,
                      in addition, depends strongly on pH via the ionization of
                      the polyacrylate backbone. SANS shows the formation of
                      hydrophobic domains whose size scales with the length of the
                      alkyl chain. The tendency for domain formation increases
                      with the length of the alkyl chains and is much more
                      pronounced for lower pH, while at high pH the electrostatic
                      charging suppresses the formation of hydrophobic domains for
                      chains shorter than octyl. Then only relatively large and
                      loosely connected aggregates are formed. These
                      hydrophobically modified copolymers show a pronouncedly pH
                      dependent aggregation behaviour that is controlled by the
                      length and percentage of hydrophobic modification and this
                      widely tuneable aggregation behaviour could be interesting
                      for the transport and controlled release of hydrophobic
                      cargo molecules.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000358005000022},
      doi          = {10.1016/j.polymer.2015.06.010},
      url          = {https://juser.fz-juelich.de/record/825958},
}