Advertisement

Influence of filler on the polypropylene structure

  • V. Khunová
  • V. Smatko
  • I. Hudec
  • J. Beniska
Conference paper
Part of the Progress in Colloid & Polymer Science book series (PROGCOLLOID, volume 78)

Abstract

The nucleating effect of different kinds of fillers in polypropylene composite materials were studied using a dilatometric method and the composites were examined by scanning electron microscopy to relate the composite structure to physical properties. Filler concentration was varied for each composite.

A positive influence due to the nucleating effect, of the incorporated fillers on the polypropylene structure, was achieved only with low bentonite concentrations. For all types of filler employed, an increase in the filler content raises the rate of crystallization, reduces the crystalline phase content, and diminishes the size of supermolecules formed. Particle size and concentration of filler influence the physical properties of polypropylene. In highly filled composites agglomerates are formed and disintegration of filler particles occurs as a result of intensive mechanical strain.

Key words

Polyolefins nucleating agent crystallinity filler 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    Lipatov YS (1977) Physical Chemistry of Filled Polymers, Chimija, Moscow, p 64Google Scholar
  2. 2.
    Solomko VP (1980) Filled Crystalline Polymers. Naukova dumka, Kyev, p 212Google Scholar
  3. 3.
    Krevelen DWV (1972) Properties of Polymers Correlations with Chemical Structure. Elsevier, Amsterdam London New York, p 386Google Scholar
  4. 4.
    Khunova V (1984) J Electrical Insulation and Cable Technology 36(3):141Google Scholar

Copyright information

© Dr. Dietrich Steinkopff Verlag GmbH & Co. KG 1998

Authors and Affiliations

  • V. Khunová
    • 1
  • V. Smatko
    • 1
  • I. Hudec
    • 1
  • J. Beniska
    • 1
  1. 1.Department of Plastics and FibresThe Chemical Faculty of Slovak Technical UniversityBratislavaCzechoslovakia

Personalised recommendations