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Information @ a Glance

  • Graft copolymers are a special type of branched copolymer in which the side chains are structurally distinct from the main chain.
  • The grafting of polymers onto carbon nanotubes (CNT) and nanofibers, such as vapor grown carbon fiber (VGCF) surfaces was achieved by (1) the ``grafting onto'' method, (2) ``polymer reaction'' method, (3) ``grafting from'' method, and (4) ``stepwise growth'' method by dendrimer synthesis methodology.
  • Graft copolymer with a poly(vinyl chloride) backbone were prepared by two approaches, one was preparation of a macroinitiator by copolymerization of vinyl chloride with a monomer containing an ATRP initiating group, vinyl chloroacetate.
  • End grafted polymers, which are polymers tethered to the substrate surface, have been extensively studied because of its importance in surface rheology such as adhesions, frictions, and lubrications.
  • Recently, there has been considerable interest in the study of configurational properties of polymer chains terminally attached or end-grafted to an interface.
  • Orthogonal polymer brush gradients are assemblies of surfaceanchored macromolecules, in which two material properties of the grafted chains (e.g., grafting density, molecular weight) vary independently in orthogonal directions.
  • Layers of grafted polymers have a wide range of applications, ranging from the colloidal stabilization of industry formulations, water treatment, and mineral recovery, to the control of surface wetting and adhesion or the protection of stealth liposomes from the human immune system in drug delivery.
  • Ultrathin end-grafted polymer layers play an important role in colloidal stabilization, chromatography, adhesion, lubrication, microelectronics, and biocompatibility of artificial organs in medicine.
  • Grafting can be attained either by physisorption (diblock copolymers) or by chemisorption (end-functionalized polymers).
  • Biopolymer chitin, the most abundant natural amino polysaccharide, and its most important derivative, chitosan, are recently considered as the subjects for extensive worldwide academic and industrial research.
  • In spite of potential applications of chitin and chitosan, it is necessary to establish efficient appropriate modifications to explore fully the high potential of these biomacromolecules.
  • Grafting of polyvinylic and polyacrylic synthetic materials on the polysaccharides are mainly achieved by radical polymerization.
  • Graft copolymers are prepared by first generating free radicals on the biopolymer backbone and then allowing these radicals to serve as macroinitiators for the vinyl (or acrylic) monomer.
  • Grafting with telechelic polymers provides an alternative method, commonly referred to as grafting onto , for synthesizing hybrid branched architectures.
  • Graft copolymerization is considered to be one of the most promising approaches to a wide variety of molecular designs leading to novel type of
    tailored hybrid materials.

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