Publication: Polyethylene composite fibers. I. Composite fibers of high-density polyethylene
Issued Date
2012-04-05
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ISSN
10974628
00218995
00218995
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2-s2.0-84855315953
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Applied Polymer Science. Vol.124, No.1 (2012), 501-509
Suggested Citation
Waraporn Rattanawijan, Taweechai Amornsakchai Polyethylene composite fibers. I. Composite fibers of high-density polyethylene. Journal of Applied Polymer Science. Vol.124, No.1 (2012), 501-509. doi:10.1002/app.34863 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/13975
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Title
Polyethylene composite fibers. I. Composite fibers of high-density polyethylene
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Abstract
Polymer matrix composites are generally studied in the form of bulk solids, and very few works have examined composite fibers. The research described here extended such bulk studies to fibers. The question is whether or not what has been reported for bulk polymers will be the same in fibers. In this article are reported studies of high-density polyethylene (HDPE), whereas those of linear low-density polyethylene are reported in part II of this article series. Two types of filler were used, that is, organically modified montmorillonite (OMMT), in which the nanosized filler particles had a high aspect ratio, and microsized calcium carbonate (CaCO 3 ), with an aspect ratio nearer to unity. Composite fibers of both as-spun and highly drawn forms were prepared, and their structures, morphology, and mechanical properties were studied. It was found that the microsized particles gave HDPE composite fibers with mechanical properties that were the same as those of the neat polymer. In the case of clay composite fibers, the clay interfered with the yield process, and the usual yield point could not be observed. The particle shape did not affect the mechanical properties. The fibers showed different deformation morphologies at low draw ratios. The CaCO 3 composite fibers showed cavities, which were indicative of low interaction between the polymer and the filler. The OMMT composite fibers showed platelets aligned along the fibers and good polymer-filler interaction. © 2011 Wiley Periodicals, Inc.