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Polymers future applications

Modified Polymers. Future applications of carbohydrate polymers or oligomers derived from these polymers as adhesives will depend on modifying the polymer provided by nature to give a component that can undergo further crosslinking to form adhesive materials. [Pg.273]

Other Applications of Electronically Conducting Polymers. Future applications of electrochemistry in clean energy systems (based on solar light or chemically stimulated nuclear changes) seem possible. A major difficulty so far has been the expense of the materials. In this area, one of the initial studies involving... [Pg.560]

Ahmadi SJ, Huang YD, Li W (2004) Synthetic routes, properties and future applications of polymer-layered silicate nanocomposites. J Mater Sci 39 1919-1925... [Pg.168]

We will focus on the variety of different hyperbranched polymers that have been synthesized, on the specific properties that hyperbranched polymers exhibit, and hopefully stimulate the reader to find new and unique areas where these novel materials can find future applications. [Pg.6]

The modification of the nanospheres with ST HPMA polymers significantly changed the surface structure and property of the nanospheres, which resulted in substantial changes in the biorecogiuzability and biodistribution of the nanospheres. The biocompatibility of HPMA polymers bodes well for the future application of ST PHPMA in the modification of biomedical surfaces. [Pg.23]

It is difficult to exhaustively cover the vast, exciting, and rapidly developing field of enzymology of plant biopolymers in a short introductory review. However, the chapters that follow this introduction will deal in depth with various aspects of eiu mology of plant polymers. Potential applications and improvements are many and through dedicated research and development efforts new industrial eiu me-based processes can become a reality in the future. [Pg.10]

Polystyrene has been used most often as the support for phase transfer catalysts mainly because of the availability of Merrifield resins and quaternary ammonium ion exchange resins. Although other polymers have attrative features, most future applications of polymer-supported phase transfer catalysts will use polystyrene for several reasons It is readily available, inexpensive, easy to functionalize, chemically inert in all but strongly acidic media, and physically stable enough for most uses. Silica gel and alumina offer most of these same advantages. We expect that large scale applications of triphase catalysis will use polystyrene, silica gel, or alumina. [Pg.101]

The foremost conclusion is that synthetic polymers are applicable to a wide range of organic compounds present in many different kinds of aqueous samples, and the polymers are being used extensively. The extensive current and expected future use of polymers will force the availability of pure polymers from the commercial suppliers. The users will have to pay the price for this convenience in the same way they are now willing to pay a premium for the convenience of high-purity solvents. [Pg.228]

Solid-state ISEs with conducting polymers are also promising for low-concentration measurements [60,63,74], even below nanomolar concentrations [60,74], which gives rise to optimism concerning future applications of such electrodes. In principle, the detection limit can be improved by reducing the flux of primary ions from the ion-selective membrane (or conducting polymer) to the sample solution, e.g., via com-plexation of primary ions in the solid-contact material. For example, a solid-state Pb2+-ISEs with poly(3-octylthiophene) as ion-to-electron transducer coated with an ion-selective membrane based on poly(methyl methacrylate)/poly(decyl methacrylate) was found to show detection limits in the subnanomolar range and a faster response at low concentrations than the liquid-contact ISE [74]. [Pg.80]

Many present and future applications of thermoplastics make greater demands for higher properties, and especially combinations of properties, than are available from the commodity materials. To satisfy these demands, organic polymer chemists and chemical engineers have developed and commercialized over four dozen major types of polymers, offering many improved properties to meet these demands. They may be listed as follows, and then compared in their abilities to satisfy these requirements. [Pg.647]

In this respect, the most important future application of lignin will be as a natural plastic in the field of general polymer applications, especially as adhesives for wood composites. [Pg.130]

Recently, highly efficient catalysts have been developed that are one component systems and contain a preformed alkylidene or metallacycle as the catalyst initiatorSome of these complexes have shown excellent utility in the synthesis of organic molecules and will be the major topic of Ae last part of this chapter. These complexes will not only change many of the approaches in simple alkene metathesis but will also have a major influence on the future applications in organic and polymer synthesis. [Pg.1116]


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See also in sourсe #XX -- [ Pg.182 , Pg.183 ]




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