The use of plasticizers as coupling agents in preparation of PLA based nanocomposites

Poster
Data di Pubblicazione:
2013
Abstract:
PLAisabiobased-materialparticularlyattractiveduetoitsopticalandthermalproperties,anditisconsideredachallengingcandidateforthereplacementofoil-basedpolymers.However,thelargescaleapplicationofPLAislimitedduetoitspoormechanicalproperties,poorthermalresistance,lowgasandvaporbarrier1.Inthiscontext,nanocompositematerialsofferanewandpromisingprospectivesincetheyexhibitsignificantchangesofphysicalpropertieseveninthepresenceofsmallamounts(i.e.lessthan3%)ofnanosizedfillers.Thedispersionofnanofillersinapolymermatrixisgenerallyachievedbytuningtheinterfacialpropertiesthroughthechemicalfillermodificationandtheuseofsuitablecouplingagents. Inthisworkpoly(lacticacid)(PLA)nanocompositeswerepreparedviameltblendingwithdifferentnanofillerspreviouslydispersedinlowmolecularweightpolyesterswhichweregenerallyusedasplasticizers.Theultimateaimwastoimprovebothmechanicalfeaturesanddispersion/distributionofthefiller.
Tipologia CRIS:
04.03 Poster in Atti di convegno
Keywords:
PLA; funzionalizzazione radicalica controllata; co-agenti; BFA; nitrossidi
Elenco autori:
Autori di Ateneo:
Link alla scheda completa:
https://iris.cnr.it/handle/20.500.14243/300853