防真菌楊木定向刨花板的研究.pdf

1、南京林業(yè)大學碩士學位論文防真菌楊木定向刨花板的研究姓名：王二勇申請學位級別：碩士專業(yè)：木材科學與技術(shù)指導教師：金菊婉20080601ResearchonFungi—ResistantPoplaroSBReseafchanddeVelopll薹e玨lofpoplaf—basedorien專edstra藏dbo鑫fd(0S8)willstilnulaletheeffectiVeandeffjcientusesoffastgrowingpop

2、larwoOd，thedeVelopmentofValueaddedOSBproductsandprotectiontechnologyofwood—basedpanelsaswell1nordertOdeVeloppolarOSBwithdecayandmold—resistantability，seVenpreserVa童iVe$，beingBorate，Plygurad(PA)，CuAz，naphthenate，TBQ，MAand

3、MB，wereselectedandaddedatdif俺rentlevelstothelhreeresinsystems(UF，pF，暖D1)loeValtlatetheiref琵ctso矬t董lep1opeRlesoffesins，theboardmechanicalpropertiesandboardfhngi—1esislanlabilityofpoplarOSBaswell。The1eachabilityofpreserVat

4、iVeswerealsodeterminedbyatomicabsorptionspectroscopy(AAS)fbf^蜃Dlbonded13ISBTheresearchfesultsshowedthat：(1)PreserVatiVesadditionsdidafIfectthepropertiesofresinsmoreorlessBothBorateand薹iAha硅VelIyllt專len費l圭eneeso蚤thep囂ofPF

5、|esi蘸，but轉(zhuǎn)ofa辜e鑫d蓮專o矗i秘creasedtbeconlac專angleandVelocitywhilePAactedinanOtherwayBoththemdecfeasedthecuringtimeofPFresinTheadditionofMA，MBandPAdecreasedthecOntactangleOfUFresinandaffectedl魏ep瓣liltle，blll≥涯A鑫穩(wěn)蓮M8decle鑫sedl

6、量leVelocilya纛dinefeasedt矗ee玨1i致gl翻日睦0ofUFresin(2)PoplarOSBtreatedwithBoratehadnotonlyhadexcellentmechanicalproperties，but鑫lsoper勤f薹矬e鑫。娃ts童a蕤di玨ga專thedee鑫ylless￡a魏專專es童鑫專專量lelowes鼉鑫ddi童ionlevelofO5％；boardstreatedwithPAan

7、dnaphthenatepresentedsatisfieddecay—resistantperfbrmanceonlyathighadditionleVelwhiletheboardstreatedwithlab—InadeCuAzhadnoinlproveddeeay|esis重all乏perof藏18鑫ce毒ho玨鬈魏重量leirl玨echanie鑫lpfope瞧ieswefes鑫重is是ed；(3)BorateandTBQwit

8、hhighadditionlevelweresuggestedtoproduceMDIbondedhighperformancefungi—resistantpoplarOSB，whiletbemiddleandhighadditionlevelofPAshowedgoOd茲lold—resis專a矬鼉ability囂nd熟ap量lthenatew8sagOOdchoieetoprodllcedecay—resistantMDIbond

9、edOSBproducts(4)T重le1％contentleVelofMAandtheO75％loadinglevelofMBweresuggestedtoadop熏edlopfodueeUFbondedlnold—fesistantpoplafOSB，如rtheifbothexcellentmechanicalproperties，theirminoref內(nèi)ctsonUFresinandtheiroutstandingm01d—re