Polymer Science Series A

, Volume 56, Issue 1, pp 72–82 | Cite as

Nanocomposites and high-modulus fibers based on ultrahigh-molecular-weight polyethylene and silicates: Synthesis, structure, and properties

  • E. M. Khar’kovaEmail author
  • D. I. Mendeleev
  • V. A. Aulov
  • B. F. Shklyaruk
  • V. A. Gerasin
  • A. A. Piryazev
  • A. E. Antipov


Nanocomposites based on ultrahigh-molecular-weight polyethylene and inorganic fillers—such as organomodified layered aluminosilicates, aerosil, and diatomite—are prepared via polymerization filling. The polymerization of ethylene was conducted in the suspension mode with the use of a conventional Ziegler-Natta catalyst, TiCl4 + Al(i-Bu)3, under mild conditions (a temperature of 30°C and a pressure of 0.1MPa). The structure and properties of the composites are studied via X-ray diffraction analysis and DSC. The polyethylene matrix features a high enthalpy, a high melting temperature (up to 143°C), a crystallinity of 70–80%, a content of the monoclinic phase of 12–15%, and a bulk density of 0.05–0.15 g/cm3; the molecular mass is (1.5–1.6) × 106. High-modulus, high-strength fibers with an elastic modulus of 25–28 GPa and a strength of 0.65–0.70 GPa are prepared via direct solvent-free molding of nascent reactor powders based on ultrahigh-molecular-weight polyethylene filled (7 wt %) with aerosol or montmorillonite modified with vinyltrimethoxysilane.


Polymer Science Series Diatomite Draw Ratio Monoclinic Phase UHMW 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • E. M. Khar’kova
    • 1
    Email author
  • D. I. Mendeleev
    • 1
  • V. A. Aulov
    • 2
  • B. F. Shklyaruk
    • 1
  • V. A. Gerasin
    • 1
  • A. A. Piryazev
    • 3
  • A. E. Antipov
    • 3
  1. 1.Topchiev Institute of Petrochemical SynthesisRussian Academy of SciencesMoscowRussia
  2. 2.Enikolopov Institute of Synthetic Polymer MaterialsRussian Academy of SciencesMoscowRussia
  3. 3.Faculty of Fundamental Physicochemical EngineeringMoscow State UniversityMoscowRussia

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