聚合物基功能化復(fù)合微球的制備及表征.pdf

1、青島科技大學(xué)碩士學(xué)位論文聚合物基功能化復(fù)合微球的制備及表征姓名：李守平申請學(xué)位級別：碩士專業(yè)：高分子化學(xué)與物理指導(dǎo)教師：吳其曄20030604聚合物基功能化復(fù)合微球的制備及表征PreparationandCharacterizatonofFunctonaPoIymeriCCompositePartiGIesABSTRACTPolymericnanocompositeshavepresenteduniquecharacteristicsT

2、hisassignmentiSabouttopreparenovelfunctionalpolymericnanocompositesInthefirstsectionofthedissertation，weuseseededemulsionpolymerizationtopreparenanocompositechemicalfoamingagentwhichhasthecoreshe“structureItwillbeusedtop

3、reparemicrocellularmaterialsInthesecondsectionofthedissertation，weusedispersionpolymerizationtopreparecolloidaldispersionsofpolyaniline，inordertoimproveitspoorprocessingInthefirstsectionthemonodisDersedmicrospherescopoly

4、merizedbystyrene(St)ormethylmethacrylate(MMA)withbismethacryloyloxyphenylpropane(BVA)werepreparedbyemulsionpolymerizationTheaveragediametersandpolydispersityindex(PDI)oftheP(St／BVA)andP(MMA／BVA)particlesare1250am，1015and

5、1865nln，1008，respectivelywiththeP(St／BVA)particlesastheseedandStorMMAastheshellmonomertheseededemulsionpolymerizationiScarriedoutinthepresenceofazodicarbamiderAC)Thefoamablecore—shellmicroparticlesarepreparedwithaveraged

6、iameterl50—200nmTheformationmechanismofthecoreshellstructuremicroparticlesiSstudiedAndthemorphologyandthedecompositionbehaviorsofthefoamablemicroparticlearealsostudiedTheresultsshowthatthedecomposiiionofthefoamablepartic

7、lesiSslowerthanpureAC，andthebalanceblowingvalueiSl28mL／gInthesecondsection，theaniline(An)dispersionpolymerizationiScarriedoutinthepresenceofwatersolublestericstabilizerspoly(Ⅳvinylpyrrolidone)(PVP)orpo／y(vinylalcoh01)(PV

8、A)ThedimensionsofPAncompositecolloidsare20240nnlandtheappearanceiSspheresor”ricegrains”ComparedwiththePAn／PVAnanocompositesthePA剛PVPnanocompositesperformbettersolubilityinwaterandhigherthermaldegradationtemperatureButthe

9、PAn／PVAnanocompositesarecheaperandthefilmsaretougherAndthePAn／P踢nanocompositefilmscastedfromPAnaqueousdispersionsexhibitverylowdegreeofcrystallityKeywords：PoyrnerMiCrotePAnCoICnanocompos’ires：IularmateriaI：D0ids2Seededem