预览加载中，请您耐心等待几秒...

RGOPHBH复合包装膜的制备及其抗静电性研究.docx

预览
1/4
2/4
3/4
4/4

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

RGOPHBH复合包装膜的制备及其抗静电性研究 Abstract Inthisstudy,wepreparedRGOPHBHcompositepackagingfilmandtesteditsantistaticproperties.TheRGOPHBHcompositepackagingfilmwaspreparedbyblendingRGOPcopolymerandPHBH(poly(hydroxybutyrate-co-hydroxyhexanoate))copolymerthroughmeltblendingandfilmcasting.ThepreparedfilmwastestedforitsantistaticpropertiesusingsurfaceresistanceandFaraday’scagemethods.TheresultsshowedthattheadditionofPHBHsignificantlyimprovedtheantistaticpropertiesoftheRGOPHBHcompositepackagingfilm.Thisstudyprovidesanewrouteforthepreparationofantistaticpackagingfilmswithimprovedperformance. Introduction Packagingmaterialsplayavitalroleinthequalityandshelflifeoffoodandotherproducts.Antistaticpackagingfilms,whichhavetheabilitytoconductelectricalchargesawayfromthesurface,areincreasinglyindemandtoprotectelectroniccomponents,chemicals,pharmaceuticals,andotherproductsthataresensitivetoelectrostaticdischarge(ESD)andstaticcling.Theuseofconventionalpackagingfilms,suchaspolyethylene(PE)andpolypropylene(PP),intheseapplicationshasitslimitationsbecauseoftheirhighelectricalresistivity.Thishasledtothedevelopmentofantistaticpackagingfilms,whicharemadefromdifferentmaterials,includingconductivepolymers,carbonblack,andmetals. RGOPcopolymers,whicharederivedfromrenewableresources,arepromisingmaterialsforpackagingapplicationsbecauseoftheirexcellentbarrierproperties,thermalstability,andbiodegradability.PHBHcopolymers,whicharealsobiodegradable,areknowntoimpartantistaticpropertiestopolymersowingtotheirpolarnatureandabilitytoformhydrogenbonds.Inthisstudy,wepreparedRGOPHBHcompositepackagingfilmsusingmeltblendingandcastfilmtechniquesandinvestigatedtheirantistaticproperties. MaterialsandMethods Materials TheRGOPcopolymerusedinthisstudywassynthesizedbyring-openingcopolymerizationofglycidylmethacrylate(GMA)andethyleneoxide(EO)catalyzedbytrimethylolpropane(TMP).PHBHcopolymerwaspurchasedfromSigma-Aldrich.ChloroformwasusedasasolventtodissolvethePHBHcopolymer. PreparationofRGOPHBHcompositepackagingfilm RGOPcopolymer