新型負(fù)性光敏聚酰亞胺樹(shù)脂的合成與性能研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文新型負(fù)性光敏聚酰亞胺樹(shù)脂的合成與性能研究姓名：黃華波申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：汪水平20100501武漢理王大學(xué)碩士論文AbstractPhotosensitivepolyimides(PSPIs)arehighperformancepolymermaterials，andtheyhaveoutstandingelectricalandmechanicalproperties，excellentth

2、ermalstabilitylowthermalexpansioncoefficient，waterandorganicsolventsresistant，alsocanabsorbtheaparticlesForthatreason，PSPIshavebeenwidelyappliedinthefieldsofmicroelectronics，micromachinerymanufacturing，paintprotection，an

3、dSOonRecentlytheresearchofnegative—workingPSPIsisthehotestspotmorethanothersSofarmostnegativeworkingPSPIsaxethepoly(amicester)andpoly(amieion—linkage)typesfabricatedbythermaltreatment(upto350。C)afterUVcuredSuchthermalimi

4、dizationprocesswouldcausevolumecontractionbecauseofthelossoflowmolecularsubstanceduringthecyclizationprocess，anditwillmakethefilmgenerateinternalstress，evenleadtodeformationanddelamination，thatseriouslyrestrictedtheappli

5、cationsofthesekindsofphotosensitivematerialsTherefore，theresearchanddevelopmentofthePSPIs，withoutpostcuring，hasaveryimportanttheoreticalsignificanceandapplicationvalueThediaminemonomer4，4’diamino4“hydroxytriphenylmethane

6、(DHTM)withapendantphenylhydroxylgroupwasfirstlysynthesizedfrom4hydroxybenzaldehyde，anilineandanilinehydrochlorideAndthen，theresultingDHTMandtheotheronecommercial4，6Diaminoresorcinoldihydrochloride(DAR)reactedwithpyromell

7、iticaciddianhydride(PMDA)and4，4’diaminodiphenylether(ODA)，respectivelytoobtainthehydroxylatepolyimides(PI1andPI2)Finallythemethacrylicacidglycidylester(OMA)WasgraftedontothePIsmainchaintogetthePSPIs(PSPI一1andPSPI2)Theche

8、micalstructureofmonomerandpolymerswereidentifiedbyFTIRspectraand1H—NMR，andthemolecularofPSPIsWasdetectedbythegelpermeationchromatography(GPC)TheresultsshowedthattheDHTMandPSPIshavebeensuccessfullysynthesizedThemolecularw

9、eightofPSPI1andPSPI2are25400and20570，andthepolydispersityindex(Mw／in)is152and171，respectivelyMoreovertheoptimalconditionofthegraetlngreactionwasdeliberated，thebestgraftingreactionconditionsareasfollows，reactiontime：10hou