Modifications caused by enzyme-retting and their effect on composite performance

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DOIResolve DOI: http://doi.org/10.1155/2011/179023
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TypeArticle
Journal titleAdvances in Materials Science and Engineering
Volume2011
Article number179023
Pages179023-1179023-9
AbstractBethune seed flax was collected from Canada with seed removed using a stripper header and straw pulled and left in field for several weeks. Unretted straw was decorticated providing a coarse fiber bundle feedstock for enzyme treatments. Enzyme treatments using a bacterial pectinolytic enzyme with lyase activity were conducted in lab-scale reactors. Four fiber specimens were created: no retting, minimal retting, moderate retting, and full retting. Fiber characterization tests: strength, elongation, diameter, metal content, wax content, and pH were conducted with significant differences between fibers. Thermosetting vinyl ester resin was used to produce composite panels via vacuum-assisted infusion. Composite performance was evaluated using fiber bundle pull-out, tensile, impact, and interlaminar shear tests. Composite tests indicate that composite panels are largely unchanged among fiber samples. Variation in composite performance might not be realized due to poor interfacial bonding being of larger impact than the more subtle changes incurred by the enzyme treatment.
Publication date
LanguageEnglish
AffiliationNRC Biotechnology Research Institute; National Research Council Canada
Peer reviewedYes
NRC number53397
NPARC number19081507
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Record identifier567a03f8-6ab4-4ed9-8528-e7f4a93a9aa5
Record created2012-03-06
Record modified2016-05-09
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