Preparation and characteristics of nano-CaCO3 supported β-nucleating agent of polypropylene

Z. Zhang, Y. Tao, Z. Yang, K. Mai

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98 Citations (SciVal)


In this paper, nano-CaCO3 supported β-nucleating agent for polypropylene (PP) was prepared by supporting pimelic acid on nano-CaCO3 with two methods. The thermal properties of pimelic acid and nano-CaCO3 supported β-nucleating agent were investigated by differential scanning calorimetry and thermogravimetry coupled with Fourier transform infrared spectrometry. The results indicated that the formation of β-nucleating agent supported on nano-CaCO3 was attributed to the chemical reaction between nano-CaCO3 and pimelic acid. The β-nucleating agent was added to PP to examine its β-nucleating ability for PP, the polymorphism of the PP was characterized by wide-angle X-ray diffractometer. The results of investigation showed that the nano-CaCO3 supported β-nucleating agent exhibited higher nucleation ability and lower price compared to calcium pimelate β-nucleating agent. © 2008 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)1955-1961
Number of pages7
JournalEuropean Polymer Journal
Issue number7
Publication statusPublished - Jul 2008


  • β-Nucleating agent
  • Calcium pimelate
  • Polypropylene
  • Preparation
  • Supported nucleating agent


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