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Biodegradable Polymers with Specific Metal Binding Sites Based on Bipyridine-Containing Poly(lactid acid) and Poly(ɛ-caprolactone): Towards High-Molecular Weight Polyesters
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2001
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EngineeringResponsive PolymersBiodegradable PolymersSpecific MetalChemistryMolecular PolymerSustainable PolymersPolymersChemical EngineeringMacromolecular EngineeringBipyridine-containing PolyAluminium-alkoxide DerivativesHybrid MaterialsLactid AcidPolymer ChemistryMaterials ScienceOrganometallic PolymerPolymer ArchitecturesDegradable PlasticPolymer SciencePolymer CharacterizationFunctional PolymerPolymer Synthesis
Mono- and difunctionalized 6,6′-dimethyl-2,2′-bipyridines were introduced into polyesters in order to design polymer architectures with specific metal binding units. The polymerizations were carried out using aluminium-alkoxide derivatives prepared by a reaction between triethylaluminium and the corresponding hydroxymethyl-functionalized bipyridine derivatives. Polymers with narrow molecular weight distribution were obtained. The incorporation of the metal binding unit could be proven by UV/VIS-spectroscopy and NMR-spectroscopy.