防真菌楊木定向刨花板的研究.pdf

1、南京林業(yè)大學(xué)碩士學(xué)位論文防真菌楊木定向刨花板的研究姓名：王二勇申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：木材科學(xué)與技術(shù)指導(dǎo)教師：金菊婉20080601ResearchonFungi—ResistantPoplaroSBReseafchanddeVelopll薹e玨lofpoplaf—basedorien專(zhuān)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(zhuān)len費(fèi)l圭eneeso蚤thep囂ofPF

5、|esi蘸，but轉(zhuǎn)ofa辜e鑫d蓮專(zhuān)o矗i秘creasedtbeconlac專(zhuān)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(zhuān)thedee鑫ylless￡a魏專(zhuān)專(zhuān)es童鑫專(zhuān)專(zhuān)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(zhuān)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