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2013 | 15 | 4 | 71-74

Article title

Influence of heterogeneous nucleation on thermodynamic properties of isotactic polypropylene


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In this paper we have investigated the effect of 1,2,3-trideoxy-4,6:5,7-bis-O-[(4-propylphenyl)methylene]-nonitol sorbitol used in varying amounts (0.01 - 1 wt %) on isotactic polypropylene (iPP) matrix. We have used dynamic mechanical thermal analysis (DMTA) and differential scanning calorimetry (DSC) to study glass transition temperatures and crystallinity as a function of the nucleating agent concentration. Isotactic polypropylene samples showed a strong dependency on amount of α nucleating agent used. An increasing content of sorbitol based nucleating agent led to an increase of crystallization temperature upon cooling from the melt at constant rate and a decrease of the glass transition temperatures.









Physical description


1 - 12 - 2013
31 - 12 - 2013


  • Poznan University of Technology, Institute of Materials Technology, Piotrowo 3, 61-138 Poznań, Poland
  • Poznan University of Technology, Institute of Materials Technology, Piotrowo 3, 61-138 Poznań, Poland
  • MPTS Ltd, Szczepanowskiego 11, 60-541 Poznań, Poland


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