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Supramolecular Polymers and Assemblies. Andreas Winter
Читать онлайн.Название Supramolecular Polymers and Assemblies
Год выпуска 0
isbn 9783527832408
Автор произведения Andreas Winter
Жанр Химия
Издательство John Wiley & Sons Limited
3 Chapter 3Figure 3.1 Schematic representation of the various types of architectures accessible via H‐bonding interactions (A: H‐bonding acceptor, D: H‐bonding donor) [3]. Source: Redrawn from Binder and Zirbs [3]. © 2007 Springer Nature. Figure 3.2 (a) Classification of H‐bonds according to Jeffrey and Saenger (D: H‐bonding donor, A: H‐bonding acceptor, M: metal ion). Source: Jeffrey and Saenger [16]. © 1991 Springer Nature.Figure 3.3 Schematic representation of various single H‐bonding motifs.Figure 3.4 Schematic representation of various two‐centered H‐bonding motifs (A: adenine, T: thymine, G: guanine, C: cytosine).Figure 3.5 Schematic representation of various triple H‐bonding motifs (A: adenine, T: thymine, G: guanine, C: cytosine).Figure 3.6 Schematic representation of triple H‐bonding arrays exhibiting different Ka values (D: H‐bonding donor; A: H‐bonding acceptor, KA: association constant in CHCl3). Source: Brunsveld et al. [5].Figure 3.7 (a) Schematic representation of various quadruple H‐bonding motifs (from left to right). Source: Refs. [18,19] and Prabhakaran et al. [20]Figure 3.8 Schematic representation of Napy‐induced translation of homodimeric into heterodimeric assemblies via quadruple H‐bonding. Two examples according to Corbin and Zimmerman (a) and Chen (b) are shown in [21,37].Figure 3.9 Schematic representation of heterodimers based on sextuple H‐bonding systems. Source: (a) Chang and Hamilton [38] and (b) Yang et al. [41].Figure 3.10 The utilization of single H‐bonding for the formation of main‐chain supramolecular materials (left) and inter‐chain connection polymer blends (right). Source: Redrawn from Binder and Zirbs [3]. © 2007 Springer Nature.Figure 3.11 The formation of supramolecular ladder‐type polymers and networks based on monomers 1 and 2. Source: St.Pourcain and Griffin [73].Figure 3.12 Schematic representation of the formation of a supramolecular polymeric network using double H‐bonding interactions of the self‐complementary uradiazole units.Figure 3.13 (a) Schematic representation of the telechelic PDMSs 3 as monomers for the supramolecular ring‐chain equilibrium polymerization. (b) FT‐IR spectra of (3b)n at two different concentrations (c = 1.4 and 20 g l−1). (c) Concentration dependence of the reduced specific viscosity of (3b)n and the corresponding dibenzyl ester Bn–3b–Bn (Bn = benzyl, hexane, 25 °C). Source: Abed et al. [4]. Figure reproduced with kind permission. © 2000 American Chemical Society.Figure 3.14 (a) Schematic representation of the chiral two‐centered H‐bonding unit 4 with its bicyclo[3.3.1]nonane core. (b) Schematic representation of the structure‐dependent supramolecular self‐assembly of monomers 5 and 6.Figure 3.15 (a) Schematic representation of the supramolecular polymer (7)n. (b) Schematic representation of the dense 1D packing of 7a in a slipped fashion (the red twisted blocks represent the PBI core, the bay substituents are shown in gray cones with a blue apex and H‐bonding interactions are indicated as green lines). Source: Würthner et al. [101]. Figure reproduced with kind permission. © 2016 American Chemical Society. Figure 3.16 Schematic representation of the formation of parent DPP from its N‐t‐Boc‐protected derivative 8; DPP self‐assembles into linear supramolecular polymer due to double H‐bonding interactions. Figure 3.17 (a) Schematic representation of the N‐t‐Boc‐protected DPP oligomers 9 and 10. (b) Schematic representation of the N‐t‐Boc‐protected DPP and PBI dyes 11 and 12. Figure 3.18 Schematic representation of the supramolecular polymerization of the homotelechelic monomers 13a and 13b into an alternating copolymer. Source: Fouquey et al. [2].Figure 3.19 Schematic representation of the LC supramolecular polymer14. Source: Kotera et al. [115].Figure 3.20 (a) Schematic representation of the formation of supramolecular gels based on triple H‐bonding motifs in concert with additional non‐covalent interchain interactions. Representative field‐emission scanning electron microscopy (FE‐SEM) images of the fibers obtained from the dried benzene gels are also shown (left: 15a, right: 15b). (b) Schematic representation of monomer 16 used for the supramolecular polymerization with N‐dodecyl