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@ARTICLE{Khnhammer:911984,
      author       = {Kühnhammer, Matthias and Gräff, Kevin and Loran, Edwin
                      and Soltwedel, Olaf and Löhmann, Oliver and Frielinghaus,
                      Henrich and von Klitzing, Regine},
      title        = {{S}tructure formation of {PNIPAM} microgels in foams and
                      foam films},
      journal      = {Soft matter},
      volume       = {18},
      number       = {48},
      issn         = {1744-683X},
      address      = {London},
      publisher    = {Royal Soc. of Chemistry},
      reportid     = {FZJ-2022-05214},
      pages        = {9249-9262},
      year         = {2022},
      abstract     = {Responsive aqueous foams are very interesting from a
                      fundamental point of view and for various applications like
                      foam flooding or foam flotation. In this study
                      thermoresponsive microgels (MGs) made from
                      poly(N-isopropyl-acrylamide) (PNIPAM) with varying
                      cross-linker content, are used as foam stabilisers. The
                      foams obtained are thermoresponsive and can be destabilised
                      by increasing the temperature. The structuring of MGs inside
                      the foam films is investigated with small-angle neutron
                      scattering and in a thin film pressure balance. The foam
                      films are inhomogeneous and form a network-like structure,
                      in which thin and MG depleted zones with a thickness of ca.
                      30nm are interspersed in a continuous network of thick MG
                      containing areas with a thickness of several 100nm. The
                      thickness of this continuous network is related to the
                      elastic modulus of the individual MGs, which was determined
                      by atomic force microscopy indentation experiments. Both,
                      the elastic moduli and foam film thicknesses, indicate a
                      correlation to the network elasticity of the MGs predicted
                      by the affine network model.},
      cin          = {JCNS-FRM-II / JCNS-1 / JCNS-4 / MLZ},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-4-20201012 /
                      I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4) / 632 - Materials – Quantum, Complex and
                      Functional Materials (POF4-632)},
      pid          = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {36440620},
      UT           = {WOS:000891229600001},
      doi          = {10.1039/D2SM01021F},
      url          = {https://juser.fz-juelich.de/record/911984},
}