Detail publikace

Influence of Processing Conditions on Morphology and Mechanical Properties of PP Particulate Composites Influence of Processing Conditions on Morphology and Mechanical Properties of PP Particulate Composites Influence of Processing Conditions on Morphology and Mechanical Properties of PP Particulate Composites

NEZBEDOVÁ, E. KRČMA, F. POSPÍŠIL, L. LACH, R.

Originální název

Typ

článek ve sborníku ve WoS nebo Scopus

Jazyk

angličtina

Originální abstrakt

Polymeric particulate composites with thermoplastics, especially polypropylene (PP) matrix and mineral fillers, are of great practical importance due to their simple possibility of modifying mechanical properties and reducing the price/volume ratio of resulting material. Fillers often do not directly face the matrix molecules in their bulk macro conformations. The matrix molecules near the surface of the fillers may have different macro conformations, appear as different thermodynamic phase, or even they have a different chemical composition. These regions are called interphases. Obviously, the adhesive must wet the particles to be joined in order that a strong bond might result. Particle surfaces are often pre-treated or activated to improve their adhesion to the matrix polymer. Both filler properties and interface properties have a great effect on the mechanical properties, primarily on stiffness and toughness. Good final dispersion of the filler particles plays also very important role. The system PPH + CaCO3 was used in the presented study. The commercial available CaCO3 nano particles are of tens nm dimension but they typically form much bigger agglomerates with the size up to 10 microns. Using the special procedure both for modifying the surface of particles as well as processing conditions we achieve to prepare the composites with well dispersed particles with agglomerates smaller than 100 nm, i.e. we were able to use nanofillers. The influence of morphology on mechanical properties was studied and compared with the commercially available system.

Klíčová slova

polypropylene particulate composites, processing, morphology, properties

Autoři

NEZBEDOVÁ, E.; KRČMA, F.; POSPÍŠIL, L.; LACH, R.

Rok RIV

2013

Vydáno

26. 6. 2013

Nakladatel

Uniuversity of Patras

Místo

Patras

ISBN

978-960-88104-3-3

Kniha

Proceedings of the 3rd International Conference of Engineering Against Failure

Strany od

Strany do

Strany počet

BibTex

@inproceedings{BUT101799,
  author="Eva {Nezbedová} and František {Krčma} and Ladislav {Pospíšil} and Ralf {Lach}",
  title="Influence of Processing Conditions on Morphology and Mechanical Properties of PP Particulate Composites Influence of Processing Conditions on Morphology and Mechanical Properties of PP Particulate Composites Influence of Processing Conditions on Morphology and Mechanical Properties of PP Particulate Composites",
  booktitle="Proceedings of the 3rd International Conference of Engineering Against Failure",
  year="2013",
  pages="48--56",
  publisher="Uniuversity of Patras",
  address="Patras",
  isbn="978-960-88104-3-3"
}