Infrared Spectroscopic Characterization of Polymer and Clay Platelet Orientation in Blown Films Based on Polypropylene-Clay Nanocomposite

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DOIResolve DOI: http://doi.org/10.1002/masy.200551135
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TypeArticle
Journal titleMacromolecular Symposia
Volume230
Issue1
Pages110; # of pages: 10
Subjectfilms; infrared spectroscopy; nanocomposites; orientation; poly(propylene) (PP)
AbstractThe ‘‘tilted film’’ transmission infrared spectroscopy method was used to characterize the biaxial orientation in a set of blown films containing polypropylene (PP), layered silicate nano-reinforcement, and two different compatibilizing agents based on maleic-anhydride-grafted PP. Both interactive spectral subtraction and peak fitting were used to determine trichroic ratios. The biaxial orientation of the polymer chains could be clearly quantified according to well-established relationships for PP. In addition, the clay platelet orientation could be determined from the trichroism of the Si–O stretching bands around 1100–1000cm1.The clay orientation was found to be quite high (Hermans orientation function around þ0.8) and was not significantly affected by the presence of compatibilizing agent.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Industrial Materials Institute
Peer reviewedYes
NRC number48823
NPARC number15973264
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Record identifier67f6be82-b0e3-4674-aa61-da065a0d5c46
Record created2010-11-02
Record modified2016-05-09
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