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@ARTICLE{Allgaier:281787,
      author       = {Allgaier, J. and Hövelmann, Claas and Wei, Zhang and
                      Staropoli, Mariapaola and Pyckhout-Hintzen, Wim and
                      Lühmann, Nicole and Willbold, Sabine},
      title        = {{S}ynthesis and rheological behavior of poly(1,2-butylene
                      oxide) based supramolecular architectures},
      journal      = {RSC Advances},
      volume       = {6},
      number       = {8},
      issn         = {2046-2069},
      address      = {London},
      publisher    = {RSC Publishing},
      reportid     = {FZJ-2016-01456},
      pages        = {6093 - 6106},
      year         = {2016},
      abstract     = {In this work we present the synthesis of poly(1,2-butylene
                      oxide) (PBO) functionalized with the complementary hydrogen
                      bond forming groups 2,4-diaminotriazine (DAT) and thymine.
                      PBO is a rubbery polymer. Due to its semi-polar nature PBO
                      is expected to suppresses non-directed cluster formation of
                      the supramolecular groups but not influence their directed
                      interactions. For the synthesis of backbone functionalized
                      polymers we developed a procedure which allowed randomly
                      copolymerizing BO with 1,2-epoxy-7-octene using anionic ring
                      opening polymerization with potassium tert-butanolate as
                      initiator. The vinyl groups were converted to OH-groups by
                      oxidation. In addition, PBO with one alcoholic end group was
                      obtained by homopolymerization of BO. For the variant with
                      OH-groups at both chain ends a procedure was developed which
                      was based on the cleavage of the tert-butyl initiator group.
                      In all the polymers the alcohol groups were basically
                      quantitatively transformed into NH2-groups. DAT and thymine
                      functionalities were attached to the NH2-groups again in
                      almost quantitative conversion. All reaction steps were
                      monitored by 1H-NMR using pyridine-d5 as solvent. This
                      method allowed determining the conversions of the different
                      synthesis steps with high precision. The materials were
                      examined in linear rheology in order to study the effect of
                      the hydrogen-bonds on the dynamics of the resulting
                      supramolecular structures. The results corroborate the
                      exclusive existence of directed interactions between the
                      supramolecular groups.},
      cin          = {Neutronenstreuung ; JCNS-1 / ICS-1 / ZEA-3},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)ICS-1-20110106 /
                      I:(DE-Juel1)ZEA-3-20090406},
      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},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000368858000013},
      doi          = {10.1039/C5RA24547H},
      url          = {https://juser.fz-juelich.de/record/281787},
}