RT info:eu-repo/semantics/doctoralThesis
T1 Polymerization of norbornene and alkenyl-norbornenes catalyzed by palladium-benzyl or nickel-aryl complexes: Effects in polymer structure and application as catalyst support
A1 Pérez Ortega, Ignacio
A2 Universidad de Valladolid. Facultad de Ciencias
K1 Catálisis
K1 Compuestos organometálicos
K1 Polímeros
K1 2210 Química Física
K1 2303 Química Inorgánica
AB The vinylic addition polymerization of norbornene produces a type of polymer (VA-PNB) which keeps the bicylic structure of norbornene and has a completely aliphatic skeleton. It has got attractive properties, such as thermal and chemical stability, ideal for some applications as materials or in the field of heterogenous catalysis as support. Our group has made in the past contributions to the synthesis of functionalized VA-PNBs and their use in catalysis. This thesis is a step further and collects the results obtained in the VA-polymerization of alkenyl-norbornenes, leading to substituted polymers with pendant double bonds that are very useful starting materials to introduce other functional groups in the polymer. The most representative catalysts for the synthesis of VA-PNBs are complexes of the late transition metals, such as Ni(II) and Pd(II). Among them, a special category are the complexes that can initiate the polymerization without the presence of an additional co-catalyst and therefore show in their structure a M-R bond where R = allyl, alkyl, aryl or H. In this thesis two types of complexes with M-R bonds were employed for the synthesis and mechanistic studies on the vinylic addition polymerization of norbornene and their derivatives. The goal was not only to develop new active catalysts for this reaction but also to understand certain unprecedented features of the polymerization mechanism.
YR 2021
FD 2021
LK https://uvadoc.uva.es/handle/10324/47595
UL https://uvadoc.uva.es/handle/10324/47595
LA eng
NO Departamento de Química Física y Química Inorgánica
DS UVaDOC
RD 19-oct-2024