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@ARTICLE{Goossen:188468,
      author       = {Goossen, Sebastian and Bras, Ana and Pyckhout-Hintzen, Wim
                      and Wischnewski, Andreas and Richter, Dieter and Rubinstein,
                      Michael and Roovers, Jacques and Lutz, Pierre J. and Jeong,
                      Youncheol and Chang, Taihyun and Vlassopoulos, Dimitris},
      title        = {{I}nfluence of the {S}olvent {Q}uality on {R}ing {P}olymer
                      {D}imensions},
      journal      = {Macromolecules},
      volume       = {48},
      number       = {5},
      issn         = {1520-5835},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2015-01843},
      pages        = {1598–1605},
      year         = {2015},
      abstract     = {We present a systematic investigation of
                      well-characterized, experimentally pure polystyrene (PS)
                      rings with molar mass of 161 000 g/mol in dilute
                      solutions. We measure the ring form factor at θ- and
                      good-solvent conditions as well as in a polymeric solvent
                      (linear PS of roughly comparable molar mass) by means of
                      small-angle neutron scattering (SANS). Additional dynamic
                      light scattering (DLS) measurements support the SANS data
                      and help elucidate the role of solvent quality and solution
                      preparation. The results indicate the increase of ring
                      dimensions as the solvent quality improves. Furthermore, the
                      experimental form factors in both θ-solvent and linear
                      matrix behave as ideal rings and are fully superimposable.
                      The nearly Gaussian conformations of rings in a melt of
                      linear chains provide evidence of threading of linear chains
                      through rings. The latter result has implications for the
                      dynamics of ring–linear polymer mixtures.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6215 - Soft Matter, Health and Life Sciences (POF3-621)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6215},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000350918700040},
      doi          = {10.1021/ma502518p},
      url          = {https://juser.fz-juelich.de/record/188468},
}