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dc.contributor.authorGedler, Gabriel
dc.contributor.authorAntunes, Marcelo de Sousa Pais
dc.contributor.authorRedondo Realinho, Vera Cristina de
dc.contributor.authorVelasco Perero, José Ignacio
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica
dc.date.accessioned2013-01-18T14:33:47Z
dc.date.available2013-01-18T14:33:47Z
dc.date.created2012
dc.date.issued2012
dc.identifier.citationGedler, G. [et al.]. Characterization of polycarbonate foam structures prepared by one-step SC-CO2 dissolution process. A: International Conference on Foam Materials & Technology. "FOAMS 2012 : 10th International Conference on Foam Materials & Technology : Barcelona, Spain, September 2012 - September 2013". Barcelona: 2012.
dc.identifier.urihttp://hdl.handle.net/2117/17425
dc.descriptionElectronic version of an article published as "FOAMS 2012: 10th International Conference on Foam Materials & Technology : Barcelona, Spain, September 12 - September 13, 2012". Society of Plastics Engineers.
dc.description.abstractIn this communication polycarbonate foams were prepared by a supercritical CO2 dissolution one-step batch foaming process. Firstly, CO2 diffusion behavior in polycarbonate was studied by means of desorption experiments. The cellular structure of foams prepared under different foaming conditions was characterized through scanning electron microscopy. Different foaming temperatures as well as CO2 saturation pressures and times were applied. The foams displayed typical closed-cell structures with cell densities ranging from 3x10⁵ to 3x10⁶ cells/m³ and cell average sizes from around 70 to 150μm. Analysis by X-ray diffraction and differential scanning calorimetry seemed to suggest that slight crystallization took place because of the plasticizing effect of CO2 during saturation and foaming. Thermogravimetric analysis showed a higher thermal stability of the foams when compared to the compact polymer. The preliminary results shown in this work suggest the possibility of developing lightweight polycarbonate components with improved specific thermal properties through carefully controlling the foaming parameters.
dc.language.isoeng
dc.subjectÀrees temàtiques de la UPC::Enginyeria dels materials::Materials plàstics i polímers
dc.subjectÀrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materials::Assaigs estructurals
dc.subject.lcshPolycarbonates
dc.subject.lcshThermoplastics--Testing
dc.titleCharacterization of polycarbonate foam structures prepared by one-step SC-CO2 dissolution process
dc.typeConference lecture
dc.subject.lemacPolicarbonats -- Estructura
dc.subject.lemacTermoplàstics
dc.subject.lemacAssaigs de materials -- Propietats tèrmiques
dc.contributor.groupUniversitat Politècnica de Catalunya. POLYCOM - Polimers i compòsits: tecnologia
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://cataleg.upc.edu/record=b1422084~S1*cat
dc.rights.accessOpen Access
drac.iddocument10870742
dc.description.versionPostprint (published version)
upcommons.citation.authorGedler, G.; De Sousa Pais, M.; De Redondo, V.; Velasco J.I.
upcommons.citation.contributorInternational Conference on Foam Materials & Technology
upcommons.citation.pubplaceBarcelona
upcommons.citation.publishedtrue
upcommons.citation.publicationNameFOAMS 2012 : 10th International Conference on Foam Materials & Technology : Barcelona, Spain, September 2012 - September 2013


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