Приказ основних података о документу

dc.creatorKuska, Robert
dc.creatorMilovanović, Stoja
dc.creatorFrerich, Sulamith
dc.creatorIvanović, Jasna
dc.date.accessioned2021-03-10T14:11:55Z
dc.date.available2021-03-10T14:11:55Z
dc.date.issued2019
dc.identifier.issn0896-8446
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/4328
dc.description.abstractThermal properties of extrusion and injection grade polylactic acid (PLA) were analysed using high pressure differential scanning calorimetry (HP-DSC) under CO2 pressures of up to 50 MPa. The greatest depression of melting point and degree of crystallinity of the samples occurred at 20-30 MPa (similar to 97-115 degrees C). Batch and semi continuous processes for supercritical foaming and impregnation of PLA with thymol or thyme extract were performed at 30 MPa and 100-110 degrees C to prevent thymol degradation, decrease heating requirements and ease polymer processing. At these conditions, PLA foams containing 5.6% or 1.1% of thymol and 0.7% of thyme extract were obtained using static or dynamic batch impregnation and semi-continuous extraction-impregnation process for 7 h, respectively. DSC and HP-DSC analyses revealed more pronounced effect of scCO(2) plasticizing than foaming on PLA crystallinity. Neat and impregnated PLA foams with pores size of 15-200 pm have potential for food packaging, biomedical and insulation applications.en
dc.publisherElsevier Science Bv, Amsterdam
dc.relationGerman Federal Ministry of Education and Research- BMBFFederal Ministry of Education & Research (BMBF) [FKZ 01PL11082B]
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45017/RS//
dc.relationGerman Academic Exchange serviceDeutscher Akademischer Austausch Dienst (DAAD) [57140416]
dc.relation.isversionofhttp://technorep.tmf.bg.ac.rs/handle/123456789/5041
dc.rightsrestrictedAccess
dc.sourceJournal of Supercritical Fluids
dc.subjectHigh-pressure DSCen
dc.subjectPolylactic aciden
dc.subjectSupercritical impregnationen
dc.subjectSupercritical foamingen
dc.subjectThymolen
dc.subjectThyme extracten
dc.titleThermal analysis of polylactic acid under high CO2 pressure applied in supercritical impregnation and foaming process designen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage80
dc.citation.other144: 71-80
dc.citation.rankM21
dc.citation.spage71
dc.citation.volume144
dc.description.otherPeer reviewed manuscript: [http://technorep.tmf.bg.ac.rs/handle/123456789/5041]
dc.identifier.doi10.1016/j.supflu.2018.10.008
dc.identifier.scopus2-s2.0-85055688745
dc.identifier.wos000454371100010
dc.type.versionpublishedVersion


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Приказ основних података о документу