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@ARTICLE{Giroto:1020545,
      author       = {Giroto, Amanda S. and Valle, Stella F. and Borges, Roger
                      and Colnago, Luiz A. and Ribeiro, Tatiana S. and
                      Jablonowski, Nicolai David and Ribeiro, Caue and Mattoso,
                      Luiz H. C.},
      title        = {{R}evealing the {S}tructure {F}ormation on {P}olyglycerol
                      {C}itrate {P}olymers—{A}n {E}nvironmentally {F}riendly
                      {P}olyester as a {S}eed-{C}oating {M}aterial},
      journal      = {Polymers},
      volume       = {15},
      number       = {21},
      issn         = {2073-4360},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2024-00258},
      pages        = {4303 -},
      year         = {2023},
      abstract     = {A detailed structural investigation of a promising
                      bio-based polymer, polyglycerol citrate polyester, obtained
                      by the bulk polycondensation of glycerol (Gly) against
                      citric acid (Cit) under mild reaction was performed. The
                      reaction in conditions with and without catalyst use
                      (sulfuric acid, H2SO4) was investigated, showing evidence
                      that it is possible to modify the polymer solubility
                      according to the ratio and catalyst utilization. 13C and 1H
                      NMR indicated that synthesis catalyzed with Cit excess leads
                      to higher esterification degrees of citrate groups. In
                      contrast, the Gly moieties are more prominent in catalyzed
                      polymers regardless of the excess monomers. Overall, a
                      successful conversion of Gly and Cit into polyesters was
                      attained even without catalysis, enabling a simple route for
                      the large-scale production of this green material to be used
                      as a coating material. This polymer has been shown to be
                      well-suited for coating seeds and might be a promising
                      material for similar agricultural applications. Tests on
                      soybean seed coating with a PGCit solution of $75\%$
                      indicated that the seed quality and germination rate were
                      not affected by the PGCit coating, concluding that this
                      polymer is suitable for this application.},
      cin          = {IBG-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {2172 - Utilization of renewable carbon and energy sources
                      and engineering of ecosystem functions (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2172},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37959983},
      UT           = {WOS:001121079700001},
      doi          = {10.3390/polym15214303},
      url          = {https://juser.fz-juelich.de/record/1020545},
}