氯乙烯懸浮聚合引發(fā)劑體系的應(yīng)用研究.pdf

1、蘇州大學(xué)碩士學(xué)位論文氯乙烯懸浮聚合引發(fā)劑體系的應(yīng)用研究姓名：高象濤申請學(xué)位級別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：程振平鄭平友20071101氯乙烯懸浮聚合引發(fā)體系的應(yīng)用研究摘要ApplicationStudyonCompositeInitiatorSystemintheSuspensionPolymerizationofVinylChlorideABSTRACTThePVCresinisoneoffivekindsofgenerallysy

2、nthesizedresins，anditsyieldisonlynexttoPEManykindsofmaterials，suchasarchitecturalmaterials，wrapperelectronicalmaterials，commodities，etc，canbemanufacturedbythePVCresinduetoitsexcellentcharacteristicsofchemicalanticorrosio

3、nelectronlcalinsulationchemicalstability，thermoplastic，reducedcost，easyprocessingThePVCresinhasbeenwidelyappliedtothefieldsofindustryagriculture，architecture，transportation，electronandpackingThereare4methodsofsynthesizin

4、gPVCresinintheindustry，suchassuspensionpolymerization，bulkpolymerization，emulsionpolymerizationandsolutionpolymerizationThePVCresinsynthesizedbysuspensionpolymerizationoccupancies80％ofallPVCresinsTheinitiatorsystemisvery

5、importantinthesuspensionpolymerizationofvinylchlorideChoiceanddosageofinitiatorsaleveryimportantfactors，whichCaninfluencepolymerizationrate，capabilityinadhibitingreactorqualityandstructureofthePVCpolymerTheinitiatorcanal

6、soinfluencethecombinedwayofvinylchloride(VC)monomer(VCM)inthePVCchainsInthispaperthemodelsofinitiatordecomposingandpolymerizationkineticswereestablishedonbasisoftheapplicationstudyofcompositeinitiatorsysteminthesuspensio

7、npolymerizationofVCHeattransferrateofthereactorWasalsostudiedThedifferentinitiatorsystems，whichusedtosynthesizedifferentkindsofPVCresins，weredesignedonbasisofthetestsofsingleinitiatorandkineticstudiesofinitiatordecomposi

8、ngandpolymerizationofVCTheTheseinitiatorsystemswereappliedtothetestsin4m3reactorand135m3reactorrespectivelyItisfoundthatthepolymerizationratescouldremainconstant，thepolymerizationtimecouldbedecreased，theproductionquality