dc.creatorMASSEI, MARIANA G.R.
dc.creatorZAIM, MARCIO H.
dc.creatorMACHADO, LUCI D.B.
dc.creatorMATHOR, MONICA B.
dc.creatorINTERNATIONAL NUCLEAR ATLANTIC CONFERENCE
dc.date2020-01-13T12:25:21Z
dc.date2020-01-13T12:25:21Z
dc.dateOctober 21-25, 2019
dc.date.accessioned2023-09-28T14:13:32Z
dc.date.available2023-09-28T14:13:32Z
dc.identifierhttp://repositorio.ipen.br/handle/123456789/30645
dc.identifier0000-0002-7294-9106
dc.identifier0000-0003-1339-366X
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/9000873
dc.descriptionNew materials are being studied and widely applied in the health area, highlighting biocompatible polymers as the most versatile. Among these polymers, we developed the methodology for the manufacture of Thermoplastic Polyurethane films for application as Biomaterials. The proposed sterilization by ionizing radiation requires the study and characterization of the material to evaluate possible losses or modifications, due to the influence that the radiation can cause in the polymer chains, losing the characteristics for the purpose used. Therefore, the present work evaluates, through chemical and physicochemical characterization, the possible extension of the changes caused by the radiation in the polyurethane film. The material is produced in an environment with controlled temperature and humidity and subjected to increasing doses of gamma (15, 25 and 50 kGy), ethylene oxide and plasma as comparative techniques. The techniques DSC (Differential Scanning Calorimetry) TGA (Thermogravimetry) and FTIR-ATR (Fourier Transform Infrared Spectrometry) have proved that the material, after applied the sterilization techniques, maintains its physical-chemical characteristics and does not suffer any modifications after the treatment.
dc.descriptionInternational Atomic Energy Agency (IAEA)
dc.descriptionIAEA: RC18283
dc.format2598-2608
dc.publisherAssocia????o Brasileira de Energia Nuclear
dc.rightsopenAccess
dc.subjectbiological materials
dc.subjectcalorimetry
dc.subjectchemical analysis
dc.subjectcobalt 60
dc.subjectfilms
dc.subjectfourier transformation
dc.subjectgamma radiation
dc.subjectinfrared spectra
dc.subjectpolyurethanes
dc.subjectradiation dose units
dc.subjectsterilization
dc.subjectthermoplastics
dc.titleThermoplastic polyurethane as biomaterial
dc.typeTexto completo de evento
dc.coverageI
dc.localRio de Janeiro


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