Paper Title:
Preparation of Nano-Silica/Polypropylene Composites Using Reactive Compatibilization
  Abstract

Nano-sized silica particles were pre-grafted with poly(glycidyl methacrylate) (PGMA) by solution free-radical polymerization. When these grafted silica nanoparticles were melt compounded with polypropylene (PP), reactive compatibilization effect was perceived due to the chemical bonding between the grafted PGMA and amine functionalized PP, which led to a significant increase of tensile strength and notch impact strength of PP at rather low filler content. Accordingly, compatibility of each kind of the functionalized PP with grafted SiO2 nanoparticles was evaluated through investigating the mechanical properties, crystallization behavior and rheological performance of the composites. The results show that the reactive compatibilization is capable of providing stronger interfacial adhesion.

  Info
Periodical
Edited by
Hong-Yuan Liu, Xiaozhi Hu and Mark Hoffman
Pages
229-232
DOI
10.4028/www.scientific.net/KEM.312.229
Citation
K. Friedrich, M. Z. Rong, M. Q. Zhang, W. H. Ruan, "Preparation of Nano-Silica/Polypropylene Composites Using Reactive Compatibilization ", Key Engineering Materials, Vol. 312, pp. 229-232, 2006
Online since
June 2006
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Price
$32.00
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