INVESTIGADORES
ALVAREZ vera Alejandra
artículos
Título:
Isothermal crystallization of gamma irradiated LDPE in presence of oxygen
Autor/es:
MATIAS LANFRANCONI; VERA ALVAREZ; CLAUDIO JAVIER PÉREZ
Revista:
RADIATION PHYSICS AND CHEMISTRY (OXFORD)
Editorial:
PERGAMON-ELSEVIER SCIENCE LTD
Referencias:
Lugar: Amsterdam; Año: 2015 vol. 111 p. 74 - 80
ISSN:
0969-806X
Resumen:
This workisfocusedonthestudyoftheeffectofoxygenontheisothermalcrystallizationprocessofgamma irradiatedlowdensitypolyethylene(LDPE).Theinductiontimeincreasedwiththedosein-dicating aretardingeffect.Onotherhand,atthesamedose,thisparameterdecreasedwiththeaugmentin theoxygencontent.TheclassicalAvramiequationwasusedtoanalyzethecrystallizationkineticofthese materials. n valuessuggestedthatboth,thedoseandtheoxygencontent,didnotaffecttheme-chanism ofcrystalsgrowth.AnArrheniustypeequationwasusedfortherateconstant(k). Usedmodelscorrectlyreproducedtheexperimentaldata.TTTdiagramsofstudiedmaterialswereconstructedandalso reflected theeffectsofthedosesandtheoxygencontent.
