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Polymeric Nanocomposites, Structure and Properties

#A-1777


Hybrid and Intercalated Polymeric Nanocomposites with Superconducting and Magnetic Properties. Synthesis, Structure and Properties

Tech Area / Field

  • CHE-POL/Polymer Chemistry/Chemistry
  • MAT-SYN/Materials Synthesis and Processing/Materials

Status
3 Approved without Funding

Registration date
08.09.2009

Leading Institute
National Polytechnical University of Armenia, Armenia, Yerevan

Supporting institutes

  • Tbilisi State University, Georgia, Tbilisi

Collaborators

  • Michigan State University / Department of Chemical Engineering and Materials Science, USA, MI, East Lansing\nConsiglio Nazionale delle Ricerche / Istituto di Chimica e Tecnologia dei Polimeri, Italy, Rome\nUniversität Rostock / Department of Physics, Germany, Rostock\nCentral Michigan University/Center for Applications in Polymer Science, USA, MI, Michigan\nUniversity of Houston / Department of Chemical & Biomolecular Engineering, USA, TX, Houston

Project summary

Technology development to obtain polymer nanocomposites by the radical polymerization of various monomers (acryl amid, methylmethacrylate, perfluoralkyl methacrylate) is the aim of this proposal. Also, within the framework of this Project, anion-polymerization of ε-caprolactam and organocyclic siloxane in the presence of various nanoparticles (Al2O3, Sb203, As2O3 SiO2, TiO2, ZrO2, Y1Ba2Cu3O7-x, carbon nanotubes) also have to be covered. Actually, deagglomeration and uniform distribution of nano-additives both in the initial mixtures and in the end-product are of special interest. High-frequency acoustic waves and surfactant active materials (SAM) would be used to meet these demands.Also, surfactant active materials (SAM) use allows separation of meso- or ultra-disperse fractions from finely dispersed powders by sedimentation method (varying the viscosity, temperature, initial reaction mixture treatment duration).

Not only conventional, but frontal polymerization technique would be used as well. Front of polymerization, as per its specific behavior, contains particle agglomeration in ultra-thin phase during front propagation, securing uniform distribution of non-compatible components over the polymeric matrix.

Experimental and theoretical investigations have to be carried out during Project execution. Eight tasks are defined:

  1. Obtainment of hybrid polymer-nanocomposites with nano additives (Al2O3, Sb203, As2O, SiO2, TiO2, ZrO, carbon nanotubes) by conventional isothermal and modified polymerization methods, as well as by the frontal polymerization of various monomers (methylmethacrylate, perfluoralkyl methacrylate, acrylamide and organocyclic siloxane).
  2. The kinetics of anion-polymerization of ε-caprolactam; organocyclosiloxanes and radical polymerization of methylmethacrylate, perfluoralkyl methacrylate and organocyclic siloxanes in the presence of superconducting Y1Ba2Сu3O7-x ceramic and the nano-additives.
  3. Obtainment of polymer-ceramic high-temperature superconducting intercalated nano-composites with transport currencies reaching up to 5·103 A cm–2.
  4. Intercalation of macromolecules of binder into the interstitial layer of Y1Ba2Сu3O7-x ceramic’s grain. Determination of morphological peculiarities of;
  5. Investigation of the structure of interstitial layer of intercalated and hybrid nano-composites;
  6. Impact of interstitial layer on the superconducting, thermophysical, thermochemical, physical-mechanical and dynamic-mechanical properties of polymer nano-composites;
  7. Synthesis of luminescence superconducting polymer-ceramic nano-composites.
  8. Investigation of structural shifts and corresponding perturbations of the macromolecule fragments, intercalated into the interstitial layer of the filler.


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