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Impact of hydrophobic plasma treatments on the barrier properties of poly(lactic acid) films

hal.structure.identifierPolymères Biopolymères Surfaces [PBS]
dc.contributor.authorTENN, Nadine
hal.structure.identifierPolymères Biopolymères Surfaces [PBS]
dc.contributor.authorFOLLAIN, Nadège
hal.structure.identifierPolymères Biopolymères Surfaces [PBS]
dc.contributor.authorFATYEYEVA, Kateryna
hal.structure.identifierInstitut des Molécules et Matériaux du Mans [IMMM]
dc.contributor.authorPONCIN-EPAILLARD, Fabienne
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierCentre de Caractérisation des Matériaux Avancés [CeCaMA]
dc.contributor.authorLABRUGÈRE, Christine
hal.structure.identifierPolymères Biopolymères Surfaces [PBS]
dc.contributor.authorMARAIS, Stéphane
dc.date.issued2014
dc.description.abstractEnDifferent hydrophobic plasma treatments (CF4, CF4/H2, CF4/C2H2, tetramethyl silane (TMS)) were applied to the poly(lactic acid) (PLA) film in order to improve its water and oxygen barrier properties. The plasma parameters, such as power, gas flow and treatment time, were optimized according to the water contact angle measurements. X-ray photoelectron spectroscopy measurements revealed the presence of either fluorine (CF, CF2, CF3) or silicon (SiOxCy) functional groups on the film surface after the fluorinated or TMS plasma treatments, respectively. The thermal properties of the treated PLA films were studied by means of the differential scanning calorimetry (DSC) measurements and were found not to be influenced by the plasma treatment. The water permeability measurements showed an improvement of the PLA barrier properties as a result of all plasma treatments used and, particularly, after CF4/C2H2 plasma. The water vapour sorption measurements confirmed well the improvement of the water barrier properties by the reduction of the water solubility. No impact of the plasma treatment on the oxygen barrier properties of the PLA film was observed, even at high relative humidity (up to 90%).
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.title.enImpact of hydrophobic plasma treatments on the barrier properties of poly(lactic acid) films
dc.typeArticle de revue
dc.identifier.doi10.1039/C3RA45323E
dc.subject.halChimie/Matériaux
dc.subject.halChimie/Polymères
bordeaux.journalRSC Advances
bordeaux.page5626-5637
bordeaux.volume4
bordeaux.issue11
bordeaux.peerReviewedoui
hal.identifierhal-00949361
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00949361v1
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