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@ARTICLE{Knig:877415,
      author       = {König, Nico and Willner, Lutz and Pipich, Vitaliy and
                      Mahmoudi, Najet and Lund, Reidar},
      title        = {{T}ale of {T}wo {T}ails: {M}olecular {E}xchange {K}inetics
                      of {T}elechelic {P}olymer {M}icelles},
      journal      = {Physical review letters},
      volume       = {124},
      number       = {19},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2020-02178},
      pages        = {197801},
      year         = {2020},
      abstract     = {Telechelic polymers contain two chain ends that are able to
                      promote self-assembly into “flowerlike” or
                      interconnected micellar structures. Here, we investigate the
                      molecular exchange kinetics of such micelles using
                      time-resolved small-angle neutron scattering. We show that
                      the activation energies of monofunctional and telechelic
                      chain exchange are identical. This demonstrates that the two
                      chain ends are not simultaneously released in a single
                      event. Instead, the results show that, contrary to regular
                      micelles, the kinetics occurs in a multistep process
                      involving a collision-induced single-molecule exchange
                      mechanism where the exchange rate is directly proportional
                      to the polymer concentration. We show that this novel
                      mechanism can be quantitatively explained by a simple
                      kinetic model.},
      cin          = {JCNS-1 / JCNS-FRM-II / MLZ},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-1-20110106 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15) / 6215 - Soft Matter,
                      Health and Life Sciences (POF3-621)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6215},
      experiment   = {EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32469600},
      UT           = {WOS:000533164500011},
      doi          = {10.1103/PhysRevLett.124.197801},
      url          = {https://juser.fz-juelich.de/record/877415},
}