Formaldehyde free particleboards from wood chip wastes using glutaraldehyde modified cassava starch as binder

Akinyemi, Banjo and Olawale, O. and Dada, Adewumi O. (2019) Formaldehyde free particleboards from wood chip wastes using glutaraldehyde modified cassava starch as binder. Case Studies in Construction Materials, 11. ISSN 2214-5095

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Abstract

Thestudydeterminedsomephysicalandmechanicalpropertiesofparticleboardsproducedfromwoodchipwastesandmodifiedcassavastarch(MCS).Thenativecassavastarchwasmodifiedwith25%glutardialdehydesolution.Density,waterabsorption(WA),thicknessswelling(TS),modulusofelasticity(MOE)andmodulusofrupture(MOR)wereevaluatedbasedonJapaneseIndustrialStandard(JIS).Scanningelectronmicroscope(SEM)Fourier-transforminfraredspectroscopy(FTIR)wereutilisedtoconductthemicrostruc-turalandelementalanalysesoftheparticleboards.Densityrangedfrom0.21to0.54g/cm3,WArangedfrom32.7to168.9%after2and24himmersionwhileTSrangedfrom1.8to67.9%after2and24himmersion.Peakvaluesat3232.0N/mm2and35.7N/mm2forMOEandMORwererecordedfortheMCSbondedboards.SEMshowedwell-dispersedMCSgranulesonthesurfaceoftheparticleboardswhileFTIRindicatedtheoccurrenceofaldehydeandesterformsattributedtoMCSbinder.Themodifiedcassavastarchbondedboardsshowedgoodprospectsforutilizationinnon-loadapplicationshavingdisplayedabetterperformancethantheunmodifiedparticleboards.

Item Type:	Article
Subjects:	T Technology > T Technology (General) T Technology > TP Chemical technology
Depositing User:	Mr DIGITAL CONTENT CREATOR LMU
Date Deposited:	27 Sep 2019 12:41
Last Modified:	27 Sep 2019 12:41
URI:	https://eprints.lmu.edu.ng/id/eprint/2447

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