耐熱、阻燃聚甲基丙烯酸甲酯復(fù)合材料的制備與研究.pdf

1、南京理工大學(xué)碩士學(xué)位論文耐熱、阻燃聚甲基丙烯酸甲酯復(fù)合材料的制備與研究姓名：吳良虎申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：王新龍20100620Abstraet碩士論文AbstractInthisresearch，theheatresistantandflame—retardantPoly(methylmethacrylate)(PMMA)compositeswerepreparedbytheinsitubulkpolymeriz

2、ationandkindsofmeasurementswereemployedtoanalyzetheinfluenceofnanoZr02andphenylsiliconeresinonthethermalstabilityandflameretardancyofPMMANanozirconia(nanoZr02)waspreparedbythesol，gelmethodandthestructureofthenano—Z帕2wasc

3、onfirmedbyXraydiffraction(XRD)，Transmissionelectronmicroscopy(TEM)，andFouriertransformsinfrared(FTIR)spectroscopyThenanoZr02andphenylsiliconeresinwereincorporatedintoPMMAbytheinsitubulkpolymerizationofmethylmethacrylate，

4、thenthestructureofPMMAcompositeswasstudiedbydifferentialscanningcalorimetry，F(xiàn)TIRspectroscopy，XRD，andscanningelectronmicroscopy(SEM)TheresultsshowedthattherewereinteractionsbetweenthenanoZ102orphenylsiliconeresinandthepol

5、ymerThethermalstabilityofPMMAcompositeswasinvestigatedbythermogravirnetricanalysis(TGA)，anditsthermaldecompositionmechanismwasalsodiscussedTheresultsindicatedthatllano—Zr02orphenylsiliconeresinenhancedthethermalstability

6、ofthePMMAcompositesandPMMAwasmorestableinnitrogenatmospherethanthatinairAndthethermaldegradationofsamplesundernitrogenandairshowedthreestagescorrespondingwiththecleavageofheadtoheadlinkages，unsaturatedvinylends，andrandom

7、scissionofthePMMAmainchainsMoreover，theKissingermethodWasemployedtoanalyzethethermaldegradationkineticsofsamplesTriphenylPhosphate(TPP)wasselectedasflameretardantandthellanoZr02orphenylsiliconeresinwasselectedassynergist

8、icagenttodiscusstheinfluenceofdifferentsynergeticsystemontheflameretardancyofPMMATheconecalorimeterresultshowedthatbo吐lthesynergeticsystemscouldreducetheheatreleaserate，smokeproducerateandmasslossofPMM九：jTheresiduecharsw

9、ereinvestigatedbyFITRspectroscopy、Raman、SEMandXPStostudyflameretardantmechanismTheresultsshowedthattheintroductionofnanoZ蛾andphenylsiliconeresincouldincreasetheamountofresiduecharsandimprovethecompactnessofcharsFuthermor

10、e，theadditionofllano—Zr02andphenylsiliconeresincouldsuppressthedegradationoftheresiduechars，SOastoimprovetheflameretardancyofPMMAKeywords：insitubulkpolymerizationPMMAcomposites，thermalstability，flameretardancy，conecalori