Cross-linked and functionalized ‘universal polymer backbones’ via simple, rapid, and orthogonal multi-site self-assembly

Pollino, Joel M.; Nair, Kamlesh P.; Stubbs, Ludger P.; Adams, J. Q.; Weck, Marcus

doi:10.1016/j.tet.2004.05.055

Cited by 88 publications

(119 citation statements)

References 37 publications

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“…[26,94] Die Komplexierung durch Wasserstoffbrücken in Seitenketten wurde auch bei einer Vielzahl nichtmesomorpher Polymere in Lösung oder in reiner Form angewandt. [43,44,101] Bei den supramolekularen Strukturen in Abbildung 9 B handelt es sich um gepfropfte Polymere. Die Polymerkomplexe 18 [102] und 19 [103,104] wurden durch Komplexierung von endständig funktionalisierten Mesogenmolekülen und rück-gratfunktionalisierten Polymeren wie Poly(vinylpyridin) oder Poly(acrylsäure) erhalten.…”

Section: Besondere Eigenschaften Supramolekularer Flüssigkristalleunclassified

Funktionelle flüssigkristalline Aggregate: selbstorganisierte weiche Materialien

2005

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Dynamische weiche Materialien werden im 21. Jahrhundert an Bedeutung gewinnen. Zwar sind diese Funktionsmaterialien nicht so beständig wie Metalle, Keramiken oder Plastik, dafür reagieren sie aber gut auf externe Reize. Geordnete weiche Materialien können dynamische Funktionen erfüllen. Flüssigkristalle aus selbstorganisierten Molekülen sind ein Beispiel hierfür: Sie eignen sich möglicherweise zum Elektronen‐, Ionen‐ oder Stofftransport sowie als sensorisch, katalytisch, optisch oder biologisch aktive Materialien. Um diese Funktionen auszuschöpfen, benötigt man unkonventionelle Materialentwürfe. Hier beschreiben wir aktuelle Ansätze zur Funktionalisierung von Flüssigkristallen und zeigen, wie das Design von Flüssigkristallen durch supramolekulare Aggregation und Nanophasentrennung zu einer Vielfalt selbstorganisierter Funktionsmaterialien führt.

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Section: Besondere Eigenschaften Supramolekularer Flüssigkristalleunclassified

Funktionelle flüssigkristalline Aggregate: selbstorganisierte weiche Materialien

2005

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“…Ligand exchange at metal centers generally occurs through an associative Figure 12. Scheme illustrating the approach of Weck and co-workers using metal ion coordination and hydrogen bonding to generate reversible crosslinks to realize new materials with tailored thermodynamic and kinetic properties (with permission from [81]). mechanism, in which the attacking nucleophile associates with the metal center prior to the departure of the original ligand.…”

Section: Metallo-supramolecular Polymersmentioning

confidence: 99%

“…The concept of dynamic 3D topologies has been taken to a higher degree of complexity by Weck and co-workers by combining metal ion coordination and hydrogen bonding as crosslinks ( figure 12) [81]. By balancing the thermodynamic Figure 13.…”

Section: Metallo-supramolecular Polymersmentioning

confidence: 99%

Metallo-supramolecular modules as a paradigm for materials science

Kurth

2008

Science and Technology of Advanced Materials

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Metal ion coordination in discrete or extended metallo-supramolecular assemblies offers ample opportunity to fabricate and study devices and materials that are equally important for fundamental research and new technologies. Metal ions embedded in a specific ligand field offer diverse thermodynamic, kinetic, chemical, physical and structural properties that make these systems promising candidates for active components in functional materials. A key challenge is to improve and develop methodologies for placing these active modules in suitable device architectures, such as thin films or mesophases. This review highlights recent developments in extended, polymeric metallo-supramolecular systems and discrete polyoxometalates with an emphasis on materials science.

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“…The simplest conceptual route to metal-containing polymers is the direct polymerization of metal-containing monomers. For the specific preparation of block copolymers, several notable routes of this sort have been developed, including the ring-opening polymerization of ferrocene derivatives, 47 the ring-opening metathesis polymerization of metal-coordinated norbornenes and Pd-pincer complexes, 48,49 and the chain polymerization of vinylferrocene. 6 In each case, a metal-containing monomer that is stable to the polymerization conditions is necessary; thus, either particularly stable monomers or mild polymerization conditions are required.…”

Section: Spatial Organization With Block Copolymersmentioning

confidence: 99%

Hybrid metal–polymer composites from functional block copolymers

Grubbs

2005

J. Polym. Sci. A Polym. Chem.

142

102

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ABSTRACT:The combination of metals and polymers in hybrid materials is a research area of great current interest. A number of methods for controlling the positioning of metallic species within polymer matrices on the nanometer scale have been developed. This highlight focuses on the use of functional block copolymers for the localization of metal species, especially nanoparticles, on the nanometer scale through block copolymer phase segregation. Research from the author's group on the use of alkyne-functional block copolymers for the preparation of cobalt-containing materials is discussed in this context.

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Cross-linked and functionalized ‘universal polymer backbones’ via simple, rapid, and orthogonal multi-site self-assembly

Cited by 88 publications

References 37 publications

Funktionelle flüssigkristalline Aggregate: selbstorganisierte weiche Materialien

Funktionelle flüssigkristalline Aggregate: selbstorganisierte weiche Materialien

Metallo-supramolecular modules as a paradigm for materials science

Hybrid metal–polymer composites from functional block copolymers

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