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Effects of the surface treatment of wollastonite on the tensile and flow properties for reinforced polypropylene composites

  • Ji-Zhao Liang EMAIL logo , Jin-Quan Ruan and Bo Li
Published/Copyright: May 20, 2014
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Journal of Polymer Engineering
From the journal Journal of Polymer Engineering Volume 34 Issue 7

Abstract

The effects of the filler content and its surface treatment on the tensile and flow properties of the polypropylene (PP) composites filled with wollastonite (CaSiO3) were investigated. The results showed that the introduction of the filler could reinforce the PP resin, while the influence of the filler surface treatment on the tensile and flow property was insignificant. The melt volume flow rate (MVR) of the composites decreased nonlinearly, while the Young’s modulus increased nonlinearly with increasing filler weight fraction (ϕw); the tensile strength and tensile fracture strength increased significantly when ϕw was <10% and then decreased slightly with increasing ϕw. The elongation at break decreased significantly when ϕw was <10% and then decreased slightly with the increase of ϕw. Moreover, the Young’s modulus was estimated using the equation published earlier, and a good agreement was shown between the predicted data and the measured data.

Keywords: composite; fibrous particle; flow property; poly(propylene); tensile property
Corresponding author: Ji-Zhao Liang, Research Division of Green Function Materials and Equipment, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, P.R. China, e-mail:

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Received: 2013-11-25
Accepted: 2014-4-23
Published Online: 2014-5-20
Published in Print: 2014-9-1

©2014 by De Gruyter

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https://doi.org/10.1515/polyeng-2013-0307
Keywords for this article
composite; fibrous particle; flow property; poly(propylene); tensile property

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Editorial improvements at the Journal of Polymer Engineering
  4. Original articles
  5. Cationic copolymerization of 1,3-pentadiene with α-pinene
  6. In vitro degradation of polyglycolic acid synthesized by a one-step reaction
  7. Synthesis of a novel class of mixed-type surfmers and their properties in water
  8. Unique viscosity mutation of multi-generation hyperbranched waterborne polyurethane
  9. Preparation and characterization of oxidized starch-graft-poly(styrene-butyl acrylate) latex via emulsion polymerization
  10. Peroxide vulcanization of natural rubber. Part I: effect of temperature and peroxide concentration
  11. The stimuli-response characters of hydrogels prepared using ultrasound
  12. A new conductometric biosensor based on horseradish peroxidase immobilized on chitosan and chitosan/gold nanoparticle films
  13. A new approach for the development of textile waste cotton reinforced composites (T-FRP): laminated hybridization vs. coupling agents
  14. Effects of the surface treatment of wollastonite on the tensile and flow properties for reinforced polypropylene composites
  15. Effect of the quenching temperature on the mechanical and thermophysical properties of polycarbonate pigmented with titanium dioxide
  16. Processing and characterization of poly(lactic acid) blended with polycarbonate and chain extender
  17. Characteristics analysis and mold design for ultrasonic-assisted injection molding
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