Nanoparticle effects on the morphology and mechanical properties of polypropylene spunbond webs

Raghavendra R. Hegde; Gajanan S. Bhat

doi:10.1002/app.32304

journal article Jul 09, 2010

Nanoparticle effects on the morphology and mechanical properties of polypropylene spunbond webs

Raghavendra R. Hegde Gajanan S. Bhat

Journal of Applied Polymer Science Vol. 118 No. 6 pp. 3141-3155 · Wiley

View at Publisher Save 10.1002/app.32304

Abstract

AbstractWe report morphology and mechanical properties of natural nanoclay incorporated spunbond polypropylene composite webs. Nanocomposite spunbond webs were produced with up to 5 wt % natural nanoclay additives on Reicofil®‐2 spunbond line. Influence of nanoclay on the resin rheological properties, processibility, and mechanical properties of webs were studied. Wide angle X‐ray diffraction and transmission electron microscopy analysis were used to investigate the nanocomposite morphology. Intercalated and flocculated morphology was observed for all the concentrates and for all the spunbond fiber webs. The microstructure and polymer morphology in the presence of additives was characterized using a polarized optical microscope. At higher percentage, excess clay platelets were excluded out of the spherulite boundaries. About 20–30% increase in tear strength was observed for webs with up to 2 wt % nanoclay additives. Compared with the control polypropylene spunbond web, nanoclay reinforced samples showed better dimensional stability. Different failure mode was observed for spunbond webs with additives. Spunbond webs with even as low as 1 wt % clay retain their morphology and integrity in bond point after thermal bonding. Nanoclay incorporated spunbond webs showed significant improvements in the stiffness. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010

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Details

Published: Jul 09, 2010
Vol/Issue: 118(6)
Pages: 3141-3155
License: View

Authors

Cite This Article

Raghavendra R. Hegde, Gajanan S. Bhat (2010). Nanoparticle effects on the morphology and mechanical properties of polypropylene spunbond webs. Journal of Applied Polymer Science, 118(6), 3141-3155. https://doi.org/10.1002/app.32304

Nanoparticle effects on the morphology and mechanical properties of polypropylene spunbond webs

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