聚乙烯木塑復(fù)合材料的液相化學(xué)氧化處理及其表面特性研究.pdf

1、東北林業(yè)大學(xué)碩士學(xué)位論文聚乙烯木塑復(fù)合材料的液相化學(xué)氧化處理及其表面特性研究姓名：陳志博申請學(xué)位級別：碩士專業(yè)：生物材料工程指導(dǎo)教師：邸明偉201106AbstractAbstractThewood—plasticcompositehasthedefectoflowsurfacepolaritywhichisharmfultobebondedSo，inthispapertheWood／Polyethylene(PE)composites

2、weretreatedbyliquidoidchemicaloxidationsurfacetreatment，thesurfacewettingpropertywerecharacterizedbythechangesofcontactangle，andXrayPhotoelectronSpectroscopy(xPs)analysis，F(xiàn)ouriertransforminfraredspectroscopy(FTIR)andscan

3、ningelectronmicroscope(SEM)wereemployedtocharacterizethesurfaceoftreatedWood／Polyethylene(PE)compositesAftertreatedbymineralchameleon，potassiumdichromate，sodiumperchlorate，hydrogenperoxide，andammoniumperoxydisulfaterespe

4、ctivelythebondingstrengthandcontactangleofWood／Polyethylene(PE)compositesweretested，andthepotassiumdichromate—sulfuricacidsolutionWasselectedtobeusedasthetreatmentsolutionBytheselectionofdifferenttreatmentsolution，itwasf

5、oundthatthesurficialtreatedWood／Polyethylene(PE)compositeshadbatterbondingstrengthwhenthetreattemperaturewas300C，andthemassratioofpotassiumdichromatetoconcentratedsulfuricacidandtowateris1：20：12Increasingthetemperaturefu

6、rtherthebondingstrengthoftreatedWood／Polyethylene(PE)compositesincreasedupt011134MPawhenthetemperatureis500CFouriertransforminfraredspectroscopy(FTIR)，X—rayPhotoelectronSpectroscopy(xPs)analysisandscanningelectronmicrosc

7、ope(SEM)wereemployedtocharacterizethesurfacetreatedWood／PolyethyleneifE)composites，andtheresultsofXPS，F(xiàn)TIRshowedthatthehydroxylandcarbonylgroupwereformedonthesurfaceofthetreatedcomposites，whichincreasedthepolarityofthema

8、terialsurfaceSEMobservationshowedthatsomegroovesemergedonthesurfaceofthetreatedcompositesWhensometransformationswerecarriedoutontheoriginaltreatingsolution，suchasremovingoxidizerdecreasingtheamountofsulfuricacidtothehalf

9、degreeorkeepingtheamountofsulfuriconlyabletoprovideacidicenvironment，thebondingstrengthofthetreatedcompositesdecreasedsharplyXPSandFTIRshowedthattheoxidationlevelofthesurfacebarelychanged，andSEMshowedtheetchinglevelofthe

10、surfacedecreasedwhenremovingoxidizerorkeepingtheamountofsulfuriconlyabletoprovideacidicenvironmentTheresultappealedcontrarilywhendecreasingtheamountofsulfuricacidtothehalfdegreeItshowedthattoincreasethebondingstrengthoft

11、hetreatedWood／Polyethylene(PE)composites，thepotassiumdichromateandconcentratedsulfuricacidmustbecooperatedComparedwiththeoriginaltreatmentsolutionthebondingstrengthincreasedby114MPawhenirondichlorideandbluestonewereadded