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《超聲乳液原位合成納米鎵_PMMA復(fù)合粒子的研究》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、中圖分類號：!Q圣25：2學(xué)科分類號：4型：§§墊YS0《3i2論文編號：也』哥級：公葒安徽理工大學(xué)碩士學(xué)位論文超聲乳液原位合成納米鎵／PMMA復(fù)合粒子的研究作者姓名：王直王專業(yè)名稱：廑旦也堂研究方向：直盆壬撾料導(dǎo)師姓名：筮國盟熬援導(dǎo)師單位：絲堂王程丕答辯委員會主席：蘭盈絲論文答辯日期：2006年6月；日安徽理工大學(xué)研究生處2006年6月4日安徽理工火學(xué)碩士論文AbstradPreparationanddispersiontecllIlologyofⅡano—Gaparticles，preparationandc
2、haracterizationtechnologyofpolymernanopanjclesandofnano-G“polymercOmpOsiteparticlesweIemainlystudiedbyultrasonicwaVeinthisp叩er．Theformingmechanismofnano—Ga／polymercompositepaniclesw船initiallyresearched．Thehomodispefsingnano—Gapanicleswereprep盯edbyultrasoniccn
3、lshingmetllodwitllpla鋤os鋤(PVP)usedasdispersingandstabilizingagcnt．AndtheeffcctsofultrasonictimealldconcentmtionofPVPonstabilityofdispersingsystemweresludjed．Theresultssuggestedthatnano—Gaparticlesthatwererabdoidwith40一50IImweremadebyuItIasonicafter30minutes．T
4、hespedaleffectsOfultrasonicwaveindudillgdispersion，emulsi6cation，initiationands0on，makcemulsionpolymerizationofmctheylmethacrylate(MMA)intopoly(metheylmetllacrylate)nail叩anicles．EffectsofkindsoffactorsonconVersionrateofMMAmonomerandm瞳ecul盯weightofpOlymcfweres
5、tudiedindetail．ThesizeofPMMAemulsionpanicleswascharacterizedbymeaIlsofTEM，andtheresultsshowedlhatthesize0fthepanicleswasabout45—60nm；thedistributionofthePMMAemulsiOnpanicles打omtheresultsofI丑serGrajninesstestingwasabOutno皿aldist曲utionandthenumberpercent0fpatic
6、lebet、】lreen35nmand70nmwas86％innumberaVeragedistributjon．ThemicrostmctureOfPMMAwaschafacterizedbyFr-IRalldthemlalperfomancebyTG-D11A．Thenano-G卿oly(metheylmettlacrylate)compositeparticleswerefomedbyultrasonicwave．Thee矗kctofnano—GapaticlesonconversionrateofMMAa
7、ndtllestabilityofpolymereumulsionwerestudied．Themicrost兀lctureofcompOsitepanideswerecharacterizedbyTEM，丌_IR，TG—DTAandXPS．neexperimentalresultsshowedthatnano-GapanideswerccoatedbyPMMA孤dthecompOsitepanicleswith60一100nmhadtypical∞fe／sheUstmcturc，aIldthemicmlevel
8、recombjnationwasrealizedbecausetherewercphysic“packageandchemicaladionbetweenmetalnanoparticlesandpolymer1ayeLThefo功1ingmechanismofnallo-Ga／PMMAcompositepanicleswasdiscussedinthepaper．Fig
