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1、ABSTRACTWiththeworldenergycrisisandenvironmentalprotectionforhumanbeing,“Biomasspolymers”,preparedfromrenewablesourceswiththeaidofmoderntheoriesandtechnologies,haveattractedmuchattention,astheycansubstitutesomepetroleumderivedplastics.BiomassresourcesarerichinChina.Forestrywasteproducesmore
2、than7billionstrawaloneannually,butmostisburned,whichcauseswasteofresourcesandseriousenvironmentalpollution.Aminomoldingcompounds,withexcellentperformance,producedfromagriculturalandforestrywastematerials,cannotonlyachievetheaimofwasteutilization,butalsoreducethecostofmoldingcompounds.Aminom
3、oldingcompoundswerepreparedfromagriculturalandforestrywastematerials.Thepreparationandpropertiesofavarietyofaminomoldingcompoundsandeffectsofplasticizersandcuringagentsontheperformanceofmoldingcompoundwereinvestigated.Themajorresultsweredescribedasfollows:1.MUFmoldingcompoundswerepreparedfr
4、omcornstalkfiberasreinforcedmaterialsandMUFresinaspolymericmatrix.Theeffectsofcornstrawfibercontentonbendingstrength,impactstrengthofmoldingcompoundswereinvestigated.Theinternal-surfacebondingperformancesoffibersandMUFresinwerecharacterizedbySEM.Themechanicalpropertiesandthermalstabilitywer
5、eanalyzedbyDMAandTGA.Theresultsshowedthatthemechanicalpropertiesofmoldingcompoundswereexcellent,whilethecornstrawfiberhada2contentof31%,withabendingstrengthof60.41MPaandanimpactstrengthof1.81KJ/m.Thestoragemodulusandcomprehensivemechanicalpropertieswereexcellent.Thecompatibilitybetweencorns
6、talkfiberandMUFresinwaspoor.Theweightlossratesofmoldingcompoundsincreasedfrom0.5%to2.0%whenthetemperatureincreasedfrom68.8℃to114.3℃.Theratesincreasedupto26%whenthetemperatureincreasedto246.0~345.2℃.Theeffectsofcornstrawfibercontentonthethermalstabilityofmoldingcompoundswereinsignificant.III
7、万方数据2.MUFmoldingcompoundswerepreparedfromwheatstrawfiberaswastematerials.Thestrawfiberwasprocessedbyalkali,acid,KH550andKH370.Theperformanceofthemoldingcompounds,suchasflowbehavior,moldingshrinkageandmechanicalproperties,couldbealteredbyusingavarietyoftr
