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Article: Fiber-reinforced polymeric composites are susceptible to microbial degradation

TitleFiber-reinforced polymeric composites are susceptible to microbial degradation
Authors
Issue Date1997
Citation
Journal Of Industrial Microbiology And Biotechnology, 1997, v. 18 n. 6, p. 364-369 How to Cite?
AbstractA mixed culture of fungi, enriched from degraded polymeric materials, formed biofilms on coupons of fiber-reinforced polymeric composites (FRPCs). They grew actively in aqueous extracts of the composites under ambient conditions. The data indicate that the fungi utilized the resins or fiber chemical sizing as carbon and energy sources. A progressive decline in impedance from above 10 7 Ohms to below 10 6 Ohms was detected in the inoculated FRPC panels by electrochemical impedance spectroscopy (EIS) after 179 days of incubation, but not on the sterile controls. The degradation proceeds through an initial ingress of water into the resins, followed by degradation of bonding between fiber surfaces and resins and finally separation of fibers from the resins. At the end of EIS study, the extent of disbonding in the inoculated composite was greater than the control observed by scanning electron microscopy. These results suggest that the composite materials are susceptible to microbial attack by providing nutrients for growth.
Persistent Identifierhttp://hdl.handle.net/10722/178597
ISSN
2015 Impact Factor: 2.745
2015 SCImago Journal Rankings: 0.966
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorGu, JDen_US
dc.contributor.authorLu, Cen_US
dc.contributor.authorThorp, Ken_US
dc.contributor.authorCrasto, Aen_US
dc.contributor.authorMitchell, Ren_US
dc.date.accessioned2012-12-19T09:48:34Z-
dc.date.available2012-12-19T09:48:34Z-
dc.date.issued1997en_US
dc.identifier.citationJournal Of Industrial Microbiology And Biotechnology, 1997, v. 18 n. 6, p. 364-369en_US
dc.identifier.issn1367-5435en_US
dc.identifier.urihttp://hdl.handle.net/10722/178597-
dc.description.abstractA mixed culture of fungi, enriched from degraded polymeric materials, formed biofilms on coupons of fiber-reinforced polymeric composites (FRPCs). They grew actively in aqueous extracts of the composites under ambient conditions. The data indicate that the fungi utilized the resins or fiber chemical sizing as carbon and energy sources. A progressive decline in impedance from above 10 7 Ohms to below 10 6 Ohms was detected in the inoculated FRPC panels by electrochemical impedance spectroscopy (EIS) after 179 days of incubation, but not on the sterile controls. The degradation proceeds through an initial ingress of water into the resins, followed by degradation of bonding between fiber surfaces and resins and finally separation of fibers from the resins. At the end of EIS study, the extent of disbonding in the inoculated composite was greater than the control observed by scanning electron microscopy. These results suggest that the composite materials are susceptible to microbial attack by providing nutrients for growth.en_US
dc.languageengen_US
dc.relation.ispartofJournal of Industrial Microbiology and Biotechnologyen_US
dc.subject.meshBiodegradation, Environmentalen_US
dc.subject.meshComposite Resins - Metabolismen_US
dc.subject.meshPolymers - Metabolismen_US
dc.titleFiber-reinforced polymeric composites are susceptible to microbial degradationen_US
dc.typeArticleen_US
dc.identifier.emailGu, JD: jdgu@hkucc.hku.hken_US
dc.identifier.authorityGu, JD=rp00701en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1038/sj.jim.2900401en_US
dc.identifier.pmid9248067-
dc.identifier.scopuseid_2-s2.0-0030664158en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0030664158&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume18en_US
dc.identifier.issue6en_US
dc.identifier.spage364en_US
dc.identifier.epage369en_US
dc.identifier.isiWOS:A1997XK17600003-
dc.publisher.placeGermanyen_US
dc.identifier.scopusauthoridGu, JD=7403129601en_US
dc.identifier.scopusauthoridLu, C=35082363000en_US
dc.identifier.scopusauthoridThorp, K=17836664100en_US
dc.identifier.scopusauthoridCrasto, A=7003970429en_US
dc.identifier.scopusauthoridMitchell, R=7403974570en_US

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