Polymer containing metal ion

The metal chelate polymers contain metal ions joined to one another by polyfunctional chelating agents. Examples are the linear polymers prepared from Schiff bases by mixing a solution of the base with a soluble metal salt. The insoluble polymer is precipitated (Marvel and Tarkoy, 1958) ... 

Magnetic Properties of Metal Layer Generated by Reduction of Polymer Containing Metal Ion... 

There are many examples of polymers containing transition metals coordinated to bipyridine and related ligands (150-164). The luminescent properties of tris(bipyridine)ruthenium(II) complexes have generated a great deal of interest in these materials (152-158). Polymers containing metal ions coordinated to three bipyridine or substituted pyridines can contain the metal as an integral part of the polymer skeleton (66) (165-168), pendent to the polymer backbone (67) (154 156), or in a group pendent to the polymer backbone (68) (157,158). 

Abstract This review describes recent results in the field of poly(aryleneethynylene)s (PAEs) that contain metal ions in the polymer backbone, or in the polymer side chain. This work is focused primarily on polymers possessing ligands of metal complexes as part of the aryle-neethynylene chain. PAEs with porphyrinylene in the backbone have also been addressed. Synthetic routes toward the polymers, as well as their photochemical, photophysical, and electrochemical properties, are presented. Monodisperse oligo(phenyleneethynylene)s with terminal metal complexes or with a ferrocene and thiol at each end are mentioned. 

In Scheme 1, octahedral coordination of central metals may lead to a three-dimensional polymer (22). In order to prevent the formation of this polymer and to prepare selectively a linear polymer, a special area for the reaction, such as the interspace of layer compounds or an organic monolayer film, is used. Kanda et al.19) synthesized the polymer in the organic monolayer film prepared by spreading a ligand solution on the surface of an aqueous solution containing metal ions. 

In this study, G -G" plots of the pure polymers show a temperature invariance for those polymers not containing metal ions. For example. Figure 7 shows G -G" plots for pure EMA-Zn-20 at three different temperatures. As can t>e seen and as is the case for EHA-Ma and EMA-Zn-40 seuiples, there is a deviation in the G -G" plot at high frequencies as the temperature is increased. 

The design and synthesis of highly ordered materials is one main aim in polymer, supramolecular and material science (7,2). Such architectures, e.g. on surfaces or in thin films, could provide new mechanical, thermal, electrochemical, photochemical or magnetic properties. In particular systems containing metal ions are of special interest. Several approaches lead to such materials ... 

A simple and convenient method of polymer modification is to introduce an additive. This method is most effectively utilized in the modification of nylon fibers. For antistatic and conductive properties, hygroscopic polymeric materials and conductive materials such as carbon and metal powders are incorporated, respectively. For flame retardant properties, antimony trioxide is added. To impart ultraviolet shielding properties, ultraviolet absorbents are included and inoiganic particles of metal such as silver and zeolite containing metal ions are used for antibacterial and odor preventing properties. 

The second method involves the preparation of a viscous solution system containing metal ions, polymers and a suitable solvent and the process will be simply called the polymer precursor method . 

Under the appropriate conditions, monomers occupy virtually the entire space of pores or the whole interlayer space. Subsequent oxidative polymerization was carried out in the presence of molecular oxygen (as an electron acceptor) and a redox-active host that catalyzes electron transfer. Layered silicates containing metal ions are of particular interest because they initiate polymerization of an intercalated monomer. Thus when Na ions in hectorite are replaced by Cu or Fe, styrene can be polymerized both in the pores and on the smface. The polymer has a brushlike structure, which indicates that the inorganic smface possesses an orienting effect. This effect decreases as the chain grows away from the smface. 

Polymers of intrinsic microporosity (PIMs) consist of phthalocyanines and porphyrins containing metal ions or H in the cavities and they exhibit variation in surfaee area due to the varying metal ions or On tuning... 

Abstract This review considers interpolyelectrolyte complexes, with a particular emphasis on advanced macromolecular co-assemblies based on polyionic species with nonlinear topology and on polymer-inorganic hybrids formed by inteipolye-lectrolyte complexes containing metal ions and/or metal nanoparticles. 

This section describes, first, IPEC-based systems that contain metal ions. Then, a preparation of polymer-inorganic hybrids comprising metal nanoparticles (NPs) embedded into IPEC matrices is considered. Finally, advanced structures based on IPECs containing metal ions and IPEC-based hybrids containing metal NPs are reviewed. 

The functional groups of polyions can coordinate metal ions, thereby acting as ligands. The sorption of metal ions from solutions is a common way of embedding metal ions into multilayer polyelectrolyte films. For example, Ag" " ions were incorporated into PAA/PAH multilayers from solutions of silver acetate [104]. A variation in the pH made it possible to change the content of metal ions in the films [105]. Also, palladium ions [104] were successfully included into PAA/PAH multilayers from aqueous solutions containing [Pd(NH3)4] ions. It should be mentioned that polyelectrolyte multilayers containing metal ions can be further used as precursors for preparation of polymer-metal nanohybrids [82, 83,103-105]. 

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