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Particleboardcanbedefinedasaproductthatismadefromwoodornonwoodparticles(flakes,chips,particle-s,etc)andadhesives(l).Theblendingamongparticlesandresinsisoneoftheimportantprocessingstagesinparticlebo-aldmanufacturing,whichhastheobjectthatmakestheliquidadhesiveswelldistributeovertheparticlesurfacesbysomekindsofblenders.Theemciencyofparticleboardmanufacturingdependstoagreatextentontheblending(2).Thebestresinemciencyshouldbethemaximumuti1izationofadhesivesandgetthebestbondingstrengthofparticleboard… 相似文献
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INTRoDUCTIoNTheuseoftannin-basedadhesivesforthemanufactureofplywoodhasbeenre-portedbypreviousauthors(DaItonl95o,Herzbergl96o,Kulvikl975,Suomi-Lindbergl984,Vazquezl992,etc).Asthepotentialrawmaterialinpreparingadhe-sivecomponCnts,tannincanbeextractedfrommanyplantspecies-Suchprepara-honsarebasedonthereactionofbarkphenoliccomponentswithanaldehyde,usuaIlyformaldehyde.Thesevegetabletanninswhosecomponentsarephenoliccomponentsprovideapossibilityofusingthemforreplacingcertaincomponentsofsynthet… 相似文献
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