CHARACTERISATION OF RAPESEED OIL-BASED RESINS BY FT-IR AND TGA TECHNIQUES，2007高分子材料加工国际学术会议（5.18-5.20 北京）-中国聚合物网,论文下载

CHARACTERISATION OF RAPESEED OIL-BASED RESINS BY FT-IR AND TGA TECHNIQUES

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CHARACTERISATION RAPESEED OIL BASED RESINS AND TGA
TECHNIQUES

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分子表征

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2007高分子材料加工国际学术会议（5.18-5.20 北京）

简介：

Rapeseedoilhasbeenchemicallymodifiedtoobtainhydroxylgroups.Followinghydroxylationthepolyolwascrosslinkedusingmethylene-p-phenyldiisocyanate(MDI)toproduceathermosetrapeseedoilresin(RASOR)andmonitoredinsituusingtheAttenuatedTotalInternalReflectanceFourierTransform-Infrared(ATIRFT-IR)spectroscopyandthermogravimetricanalysis(TGA)techniques.ATIRFT-IRtechniquewasalsousedtomonitorchemicalgroups.Thereductionoftheabsorbancepeakaround3300cm-1whichisduetothepresenceofhydroxylgroupsindicatestheoccurrenceofthereactionbetweenthepolyolandMDI.TheTGAtechniquerecordedthereductionofthehydroxylgroupsasthelossinmassofthereactantsasafunctionoftemperature.Thetwoanalyticaltechniquesprovidedaboutthesamecuretime.Both,theATIRFT-IRandTGAhaveelucidatedusefulcurecharacteristicsoftherapeseedoilresin.Theapplicationsofmorethanoneanalyticalmethodofferacomplementoftheresults.

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2007-08-31 15:37:01

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