Characterizing the Durability of PF and pMDI Adhesive Wood Composites Through Fracture Testing

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dc.contributor.authorScoville, Christopher R.en
dc.contributor.committeechairLoferski, Joseph R.en
dc.contributor.committeememberKamke, Frederick A.en
dc.contributor.committeememberFrazier, Charles E.en
dc.contributor.departmentWood Science and Forest Productsen
dc.date.accessioned2014-03-14T20:46:35Zen
dc.date.adate2001-11-08en
dc.date.available2014-03-14T20:46:35Zen
dc.date.issued2001-06-13en
dc.date.rdate2002-11-08en
dc.date.sdate2001-10-11en
dc.description.abstractThe increased use of wood composites in building materials results in a need for a better understanding of wood adhesion. The effects of water and temperature exposure on the durability of wood products were assessed using the double-cantilever beam (DCB) method of fracture testing. The relative durability of phenol-formaldehyde (PF) and isocyanate (pMDI) adhesives was compared using a 2-hour boil test and an environmental test. The feasibility of using oriented strandboard (OSB), oriented strand lumber (OSL) and parallel strand lumber (PSL) for the DCB fracture method was assessed. The fracture resistance of PF was reduced significantly by the aging exposures. The fracture resistance of pMDI did not decrease after the 2-hour boil test. The DCB fracture method was shown to be useful with a square-grooved machined specimen using OSB and OSL.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-10112001-233044en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-10112001-233044/en
dc.identifier.urihttp://hdl.handle.net/10919/35353en
dc.publisherVirginia Techen
dc.relation.haspartCRSThesisFinal.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectdurabilityen
dc.subjectaccelerated exposureen
dc.subjectfracture testingen
dc.subjectWood compositesen
dc.titleCharacterizing the Durability of PF and pMDI Adhesive Wood Composites Through Fracture Testingen
dc.typeThesisen
thesis.degree.disciplineWood Science and Forest Productsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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