Beilstein J. Org. Chem.2021,17, 2496–2504, doi:10.3762/bjoc.17.166
compared to other self-healing supramolecular polymers, e.g., metallopolymers [25].
Supramolecular polymers feature certain temperature ranges, in which the noncovalent bond is activated. The degree of reversibility can be determined by the supramolecular bond lifetime [26]. For example, a study regarding
ionomers revealed a strong correlation of the bond lifetime with the healing behavior [27]. A similar behavior was also observed for metallopolymers [13]. Consequently, the polymers P1 and P2 were also studied by frequency sweeps at certain temperatures (see Figure 3). At temperatures below the endothermic
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Graphical Abstract
Scheme 1:
Schematic representation of the polymer synthesis of P1 and P2.
Beilstein J. Org. Chem.2015,11, 2747–2762, doi:10.3762/bjoc.11.296
herein discussed. Recent advances in the design and syntheses reported mainly during the last three years are highlighted, with special emphasis on new trends for superior applications of these hybrid materials.
Keywords: advanced materials; metallopolymers; metathesis; ROMP; transition metals
; Introduction
The fast growing interest in metal-containing polymers (metallopolymers) as advanced hybrid materials spurred prolific research in the worldwide organometallic and polymer scientific communities [1][2][3][4]. The variety of metals and the diversity of organic polymers allow tailoring
metallopolymers so as to reach the desired physical and chemical properties suitable for progressive applications [5][6][7]. These functional hybrid materials are highly appreciated for their superior behaviour in catalysis, optics as well as for their magnetic, mechanical and thermal attributes. Structurally
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Graphical Abstract
Scheme 1:
Synthesis of homopolymers containing ferrocenyl and tetraethylene glycol groups.