Antifrictional composites based on chemically modified UHMWPE. Part 2. The effect of nanofillers on the mechanical and triboengineering properties of chemically modified UHMWPE

S. V. Panin, L. A. Kornienko, S. Piriyaon, L. R. Ivanova, S. V. Shil'ko, Yu M. Pleskachevskii, V. M. Orlov

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The mechanical and tribological properties of nanocomposites based on chemically modified ultra-high molecular weight polyethylene are determined. The super-molecular and chemical structure of the nanocomposites based on the block copolymers UHMWPE-grafted UHMWPE and UHMWPE-grafted HDPE are studied by the methods of X-ray structural analysis, IR spectroscopy, scanning differential calorimetry, and electron microscopy. The mechanical and tribological properties of the nanocomposites based on the block copolymers are found to differ insignificantly from those of the nanocomposites on the base of non-modified UHMWPE. The crystallization and formation of super-molecular structure in the heterogeneous materials under study are shown to depend on the heterogeneity of the distribution of the nanofillers. The authors believe that chemical modification in terms of grafting polar monomers is unable to improve the adhesion of the nanofillers to the high-molecular matrix (UHMWPE). Thus, the wear resistance of the UHMWPE-based nanocomposites is mostly governed by the crystallization conditions and type of supermolecular structure formed during crystallization (either spherulitic or lamellar).

Original languageEnglish
Pages (from-to)269-275
Number of pages7
JournalJournal of Friction and Wear
Volume32
Issue number4
DOIs
Publication statusPublished - 1 Aug 2011

Fingerprint

Ultrahigh molecular weight polyethylenes
Nanocomposites
Composite materials
Crystallization
Molecular structure
Block copolymers
Chemical modification
Polyethylene
High density polyethylenes
ultra-high molecular weight polyethylene
Structural analysis
Electron microscopy
Wear resistance
Differential scanning calorimetry
Infrared spectroscopy
Adhesion
Monomers
X rays

Keywords

  • chemical modification
  • compatibilizer
  • grafting
  • mechanical properties
  • nanofiller
  • super-molecular structure
  • ultra-high molecular weight polyethylene
  • wear resistance

ASJC Scopus subject areas

  • Mechanics of Materials
  • Surfaces, Coatings and Films

Cite this

Antifrictional composites based on chemically modified UHMWPE. Part 2. The effect of nanofillers on the mechanical and triboengineering properties of chemically modified UHMWPE. / Panin, S. V.; Kornienko, L. A.; Piriyaon, S.; Ivanova, L. R.; Shil'ko, S. V.; Pleskachevskii, Yu M.; Orlov, V. M.

In: Journal of Friction and Wear, Vol. 32, No. 4, 01.08.2011, p. 269-275.

Research output: Contribution to journalArticle

Panin, S. V. ; Kornienko, L. A. ; Piriyaon, S. ; Ivanova, L. R. ; Shil'ko, S. V. ; Pleskachevskii, Yu M. ; Orlov, V. M. / Antifrictional composites based on chemically modified UHMWPE. Part 2. The effect of nanofillers on the mechanical and triboengineering properties of chemically modified UHMWPE. In: Journal of Friction and Wear. 2011 ; Vol. 32, No. 4. pp. 269-275.
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