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Free radical copolymerization of acrylonitrile with different comonomers in 1-buty-3-methylimidazolium chloride

資料類(lèi)型：

PDF文件

關(guān)鍵詞：

acrylonitrile ionic liquid comonomer copolymerization thermal property

資料大小：

954K

所屬學(xué)科：

分子表征

來(lái)源：

2009先進(jìn)纖維與聚合物材料國(guó)際學(xué)術(shù)會(huì)議（ICAFPM，10.21-10.24，上海）

簡(jiǎn)介：

Freeradicalcopolymerizationofacrylonitrile(AN)withvariouscomonomersin1-buty-3-methylimidazoliumchloride([bmim]Cl)withazobisisobutyronitrile(AIBN)asinitiatorwereinvestigated.Thecopolymerizationkinetics,theconstitutesandthethermalpropertieswereanalyzedindetails.ThecompositionsoftheresultedcopolymerswereanalyzedbyElementalanalysis.Allthereactionsproceededfastinionicliquid,whilepolymerizationratevariedwithdifferentcomonomersunderthesamereactionconditions.In120min,alimitconversionofaround80%isreachedinthecopolymerizationexceptwhenN-vinylpyrrolidone(NVP)actedascomonomer.Polymerswithviscositymolecularweighthigherthan105g/molweresynthesizedintheusedionicliquid.Thermalpropertieswereanalyzedbydifferentialscanningcalorimetry(DSC).ItisshownthattheonsetsofcyclizationofthecopolymersexceptforP(AN-MA)shiftedtoalowertemperaturecomparedtohomopolymer,showinganimprovementofthecyclizationreaction.

作者：

ZHANG Qing, DENG Jing, ZHANG Yumei, WANG Huaping

上傳時(shí)間：

2010-03-23 11:50:28

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