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Journal Cover Polymer Science Series C
  [SJR: 0.575]   [H-I: 15]   [4 followers]  Follow
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1555-614X - ISSN (Online) 1811-2382
   Published by Springer-Verlag Homepage  [2341 journals]
  • Dear readers!
    • Authors: A. N. Ozerin; J. M. Kenny
      Pages: 1 - 1
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010094
      Issue No: Vol. 58, No. 1 (2016)
  • Multiscale computer simulation of polymer nanocomposites based on
    • Authors: S. V. Lyulin; S. V. Larin; V. M. Nazarychev; S. G. Fal’kovich; J. M. Kenny
      Pages: 2 - 15
      Abstract: A literature review is presented on a multiscale approach to the simulation of nanocomposites based on thermoplastic polymers that includes calculations using quantum-chemical methods and molecular dynamics simulations with the use of full-atomic and mesoscopic models. Common problems arising during the multiscale simulation of thermoplastic nanocomposites and the ways to solve them are discussed. The results of studies of the structural, thermal, and mechanical properties of thermoplastic nanocomposites obtained via the simulation with consideration for the detailed chemical structures of components are given.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010082
      Issue No: Vol. 58, No. 1 (2016)
  • Carbon plastics based on thermoplastic polyimide binders modified with
    • Authors: V. E. Yudin; V. M. Svetlichnyi
      Pages: 16 - 25
      Abstract: Polyimides (PIs) crystallized from melts are promising thermally stable, heat-resistant plastics with high destruction viscosities. Nanocomposites that in turn serve as matrixes for carbon plastics can be obtained on the basis of PIs filled with carbon nanoparticles of various structures and morphologies. The presence of the composite-in-composite structure gives rise to the enhancement of dissipation properties of the polymer matrix in particular and to an increase in the crack resistance of the carbon plastic in general.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010124
      Issue No: Vol. 58, No. 1 (2016)
  • Polymer composite materials: Technologies and applications
    • Authors: Yu. V. Antipov; A. A. Kul’kov; N. V. Pimenov
      Pages: 26 - 37
      Abstract: The physicomechanical properties of polymer composites based on aramide fibers that are obtained by the wet-spinning technique with the use of epoxy binders are discussed. The chemical structures of reinforcing fibers and components of epoxy binders; the microstructures, surface structures, and some properties of aramide fibers; and the processes of manufacturing high-strength reinforced composites on their basis are described. Some product samples made of these composites are presented. The investigated reinforcing materials possess high tensile strengths and tensile moduli, which make it possible to obtain products with a high level of operational characteristics on their basis.
      PubDate: 2016-09-01
      DOI: 10.1134/s181123821601001x
      Issue No: Vol. 58, No. 1 (2016)
  • Synthesis and properties of nanocomposite materials based on
           ultra-high-molecular-weight polyethylene and graphite nanoplates
    • Authors: P. N. Brevnov; G. R. Kirsankina; A. S. Zabolotnov; V. G. Krasheninnikov; V. G. Grinev; N. G. Berezkina; E. A. Sinevich; M. A. Shcherbina; L. A. Novokshonova
      Pages: 38 - 49
      Abstract: A method for the synthesis of nanocomposite materials based on ultra-high-molecular-weight polyethylene and graphite nanoplates via polymerization filling is developed. Polyethylene formed during the synthesis evenly coats individual nanoplates; as a result, there is a uniform distribution of graphite nanoplates in the polymeric matrix. It is shown that the introduction of graphite nanoplates results in significant increases of the elastic modulus and deformation heat resistance and causes a sharp decrease in the gas permeability of the material.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010021
      Issue No: Vol. 58, No. 1 (2016)
  • Polymer composite materials based on thermoset epoxy binders modified with
           diamond-containing nanofillers
    • Authors: T. S. Kurkin; E. P. Tikunova; A. V. Solopchenko; M. Yu. Yablokova; A. N. Ozerin
      Pages: 50 - 61
      Abstract: Structural features and physicochemical properties of promising diamond-containing modifier fillers for industrial polymers, namely, detonation nanodiamonds and nanodiamond soot, are considered. Experimental results demonstrating the possibility to create prepregs with the use of the carbon fabric 1.5 К and a detonation-diamond soot-modified binder based on the epoxy-resin mixture Epikote828/Epikote154 with an anhydride-type curing agent are presented. The rheological characteristics of the diamond-sootmodified binder remain practically the same after storage for 2 or 3 days at room temperature. The dependence of the glass-transition temperatures of the binders on the content of diamond soot in the concentration range 0.025–0.1 wt % is studied, and the correlation between these results and the mechanical characteristics (breaking strength, flexural strength, and crack resistance) of the cured binders is ascertained. Within the entire range of diamond-soot concentrations, the parameters of gelation are determined and the activation energies of this process are calculated.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010070
      Issue No: Vol. 58, No. 1 (2016)
  • Biodegradable polymer composites based on synthetic and natural polymers
           of various classes
    • Authors: S. Z. Rogovina
      Pages: 62 - 73
      Abstract: The state-of-the-art in the field of polymeric materials that can degrade under environmental conditions into environmentally harmless compounds is reviewed. It is shown that the most efficient method for the production of such materials involves the creation of composites based on synthetic and natural polymers, in particular polysaccharides. Studies performed at the Semenov Institute of Chemical Physics, Russian Academy of Sciences, have demonstrated that biodegradable composites consisting of various polysaccharides with LDPE and polylactide may be obtained by an ecologically pure solid-phase method under the action of high-temperature shear deformation.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010100
      Issue No: Vol. 58, No. 1 (2016)
  • Cellulose– co -polyacrylonitrile blends: Properties of combined
           solutions in N -metylmorpholine- N -oxide and the formation and
           thermolysis of composite fibers
    • Authors: V. G. Kulichikhin; L. K. Golova; I. S. Makarov; G. N. Bondarenko; A. K. Berkovich; S. O. Ilyin
      Pages: 74 - 84
      Abstract: Combined solutions of cellulose and an acrylonitrile-based copolymer in N-methylmorpholine-N-oxide have been prepared for the first time, new composite fibers have been formed, and the properties of the solutions and fibers under standard conditions and during thermal treatment have been studied. On the basis of studying the phase state and morphological peculiarities of combined cellulose solutions with polyacrylonitrile additives, it has been shown that the completed solutions make emulsions in the entire range of investigated concentrations. The rheological behavior of combined solutions changes with temperature. With the use of IR spectroscopy methods, it has been found that the addition of polyacrylonitrile to cellulose results in the association of nitrile groups with hydroxyl groups of cellulose, which favors the cyclization of CN groups during heating and the appearance of polyconjugated bonds in polyacrylonitrile chains. Thermal transformations of cellulose and polyacrylonitrile in the course of mixed-fiber carbonization have been studied via DSC and TGA. It has been shown that polyacrylonitrile inhibits the dehydration processes in cellulose and reduces the intensity of the peak due to the first stage of the structural rearrangement, i.e., acts as a “catalyst” of pyrolysis.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010069
      Issue No: Vol. 58, No. 1 (2016)
  • Composites based on acrylic polymers and carbon nanotubes as precursors of
           carbon materials
    • Authors: E. A. Karpushkin; A. K. Berkovich; V. G. Sergeyev
      Pages: 85 - 92
      Abstract: The effect of carbon nanotubes on the properties of composite fibers and films based on polyacrylonitrile is analyzed. It is shown that the introduction of carbon nanotubes makes it possible to improve the mechanical characteristics of the composite material. Data on the effect of carbon nanotubes on chemical reactions occurring during the thermal stabilization and carbonization of these materials are cited.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010057
      Issue No: Vol. 58, No. 1 (2016)
  • Polymer composites with surface modified SiO 2 nanoparticles: Structures,
           properties, and promising applications
    • Authors: O. A. Serenko; A. M. Muzafarov
      Pages: 93 - 101
      Abstract: Data from recent studies of polymer composites with nanosized silica particles are considered. A comparative analysis of current approaches to the description of concentration changes in the glass-transition temperatures of these systems is performed. The morphology of the surface layer in materials with nanoparticles and its effect on the characteristics of materials are discussed. The surface layer of a composite is represented as a shell including both the polymer and the external part of the filler. A conditional division between the functions of the external layer and the nanoparticle core makes it possible to determine in a first approximation which characteristics of the matrix and the filler have an effect on the properties of nanocomposites.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010112
      Issue No: Vol. 58, No. 1 (2016)
  • Composites based on liquid-crystalline polymers with terminal functional
           groups and inorganic nanoparticles
    • Authors: A. A. Ezhov; Ya. I. Derikov; G. A. Shandryuk; E. V. Chernikova; S. S. Abramchyuk; A. S. Merekalov; G. N. Bondarenko; R. V. Tal’roze
      Pages: 102 - 117
      Abstract: A method of controlled radical polymerization via the reversible addition fragmentation chain transfer mechanism is used to synthesize LC polymers with functional terminal thiol groups. These polymers are used to create composites containing gold nanoparticles at a concentration of up to 40 wt % and capable of LC ordering. The structural, thermodynamic, and optical properties of the composites are studied. It is shown that the spatial separation of mesogenic groups and groups responsible for the binding of a macromolecule with nanoparticles makes it possible to considerably widen the concentration range of nanoparticles while preserving the LC state of the composites.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010033
      Issue No: Vol. 58, No. 1 (2016)
  • Synthesis of hybrid materials in polyelectrolyte matrixes: Control over
           sizes and spatial organization of metallic nanostructures
    • Authors: A. A. Zezin
      Pages: 118 - 130
      Abstract: This review is concerned with the synthesis of hybrid materials in solutions, suspensions, and gels of polyelectrolytes with emphasis being placed on the role of interaction between functional groups of macromolecules and ions/surfaces of metals in the control over the processes of nucleation and growth of nanoparticles. The use of several macromolecules carrying nonionogenic groups for the effective control over the sizes and shapes of nanoparticles is exemplified. As the main method for the synthesis of metal nanostructures in colloidal systems, a method based on the reduction of metal ions is discussed. Mechanisms and conditions determining the assembly of metal–polymer nanocomposites of various architectures in polyelectrolyte matrixes and organized polymer systems are considered.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010136
      Issue No: Vol. 58, No. 1 (2016)
  • Hybrid magnetic nanocomposites containing polyconjugated polymers
    • Authors: G. P. Karpacheva
      Pages: 131 - 146
      Abstract: Publications concerning metal–polymer nanocomposites based on polyconjugated polymers and magnetic nanoparticles that have been published mostly over the last decade and a half are analyzed. Methods of preparing nanomaterials and their structures and electric and magnetic properties are discussed. The use of metal–polymer nanocomposites in various fields of engineering is exemplified.
      PubDate: 2016-09-01
      DOI: 10.1134/s1811238216010045
      Issue No: Vol. 58, No. 1 (2016)
  • New trends in controlled radical polymerization
    • Authors: K. Matyjaszewski; E. Chernikova
      Pages: 1 - 2
      PubDate: 2015-09-01
      DOI: 10.1134/s1811238215010075
      Issue No: Vol. 57, No. 1 (2015)
  • Reversible deactivation radical polymerization of polyfunctional monomers
    • Authors: S. A. Kurochkin; V. P. Grachev
      Pages: 20 - 31
      Abstract: In this review, the results of modern theoretical and experimental investigations of three-dimensional reversible-deactivation radical polymerization are discussed. The most important factors affecting the critical gelation conversion, the probability of cyclization, and the topological structures of polymers are underlined. Examples of the most promising application of the reversible deactivation radical polymerization to produce new polymer materials are given.
      PubDate: 2015-09-01
      DOI: 10.1134/s1811238215010063
      Issue No: Vol. 57, No. 1 (2015)
  • Iron-based catalytic systems in atom-transfer
           controlled-radical-polymerization processes
    • Authors: D. F. Grishin; I. D. Grishin
      Pages: 32 - 64
      Abstract: The literature data about the use of catalytic systems and compositions based on iron and its complexes for the controlled synthesis of polymers via the atom-transfer mechanism are generalized and analyzed. The effects of the oxidation number of a metal atom, the ligand environment, the structure of a radical initiator, the activating additives, and other factors on the molecular-weight characteristics of the polymers and the kinetics of vinyl polymerization are considered.
      PubDate: 2015-09-01
      DOI: 10.1134/s1811238215010038
      Issue No: Vol. 57, No. 1 (2015)
  • Kinetic features of pseudoliving radical polymerization under conditions
           of reversible inhibition by nitroxide radicals
    • Authors: M. Yu. Zaremski
      Pages: 65 - 85
      Abstract: This review is devoted to two topical aspects of the kinetics of pseudoliving radical polymerization occurring under conditions of reversible inhibition by nitroxide radicals. The main kinetic features of polymerization, which are still being discussed in the literature, are considered. The data on the rate constants of reinitiation and reversible-termination reactions in polymerization systems are generalized and discussed for the first time.
      PubDate: 2015-09-01
      DOI: 10.1134/s1811238215010099
      Issue No: Vol. 57, No. 1 (2015)
  • Synthesis of amphiphilic block-gradient copolymers of styrene and acrylic
           acid by Nitroxide Mediated Polymerization
    • Authors: O. V. Borisova; L. Billon; M. Yu. Zaremski; O. V. Borisov
      Pages: 86 - 93
      Abstract: We present an overview on synthesis of amphiphilic ionic block-gradient copolymers of styrene and acrylic acid by means of one step direct Nitroxide Mediated Polymerization (NMP) and their characterization. The copolymers comprise a block of poly(acrylic acid) and one or two terminal blocks that include co-monomer units of styrene and acrylic acid in variable proportion. Using 1H NMR the gradient sequence of the poly(acrylic acid-co-styrene) copolymer block has been confirmed. In contrast to diblock copolymers of styrene and acrylic acid, that are known to form in aqueous environment “frozen” aggregates with glassy poly(styrene) core, the novel block gradient copolymers exhibit stimuli-responsive aggregation behavior, as was demonstrated by subsequent studies. This feature makes them very promising for design of a large variety of smart functional materials.
      PubDate: 2015-09-01
      DOI: 10.1134/s1811238215010014
      Issue No: Vol. 57, No. 1 (2015)
  • The potential of 1 H NMR spectroscopy for studying the kinetics and
           mechanism of controlled radical polymerization with reversible chain
    • Authors: E. V. Sivtsov; A. I. Gostev; E. V. Parilova; A. V. Dobrodumov; E. V. Chernikova
      Pages: 110 - 119
      Abstract: The potential of 1H NMR spectroscopy for determining the constants of chain transfer to a symmetric bifunctional agent of reversible chain transfer and for studying the changes in the current concentrations of the initial and final agents formed during the replacement of one leaving group with a polymer (oligomeric) radical of the agents of reversible chain transfer during the homopolymerization of N-vinyl succinimide, the homopolymerization of vinyl acetate, and the copolymerization of 4-vinylpyridine and tert-butyl acrylate in the presence S,S-dibenzyltrithiocarbonate is studied. The correct calculation of the constants of chain transfer is shown to be possible only during agreement of the studied system with the taken scheme of polymerization with reversible chain transfer, a minimum contribution of side reactions, and signal separation that is sufficient for the quantitative analysis of initial and polymer (monosubstituted) agents of reversible chain transfer in the 1H NMR spectra. The lower limit of the constants of transfer to the polymer agents of reversible chain transfer is estimated, and the great efficiency of these agents in comparison to that of the initial low-molecular-mass ones is directly confirmed. A complex of necessary investigations to study any new polymerization system where the controlled radical homoand copolymerization with reversible chain transfer in the presence of symmetric trithiocarbonates occurs is performed.
      PubDate: 2015-09-01
      DOI: 10.1134/s1811238215010087
      Issue No: Vol. 57, No. 1 (2015)
  • Reversible addition-fragmentation chain transfer (RAFT) (Co)polymerization
           of isobornyl acrylate
    • Authors: E. E. Kulikov; S. D. Zaitsev; Yu. D. Semchikov
      Pages: 120 - 127
      Abstract: Controlled/living radical homopolymerization of isobornyl acrylate and its copolymerization with styrene with reversible chain transfer via the addition-fragmentation mechanism in the presence of benzyl dithiobenzoate have been studied. It has been shown that the (co)polymerization proceeds through living chains, a result that is confirmed by a linear increase in the number-average molecular weight with conversion and by low polydispersity indexes. With the use of polymer RAFT agents block copolymers have been synthesized. Amphiphilic copolymers have been obtained through acid hydrolysis of isobornyl acrylate units in copolymers of various microstructures.
      PubDate: 2015-09-01
      DOI: 10.1134/s1811238215010051
      Issue No: Vol. 57, No. 1 (2015)
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