Experimental protocol to determine the ability of PET to crystallize

Gerard DenisLaboratoire d'Etude et de Caractérisation des Amorphes et des Polymères, Faculté des Sciences, Université de Rouen, 76821Mont Saint Aignan, France e-mail: [email protected] Tel.: +33-(0)2-3514 6632 Fax: +33-(0)2-3514 6882

Marie-Rose GardaLaboratoire d'Etude et de Caractérisation des Amorphes et des Polymères, Faculté des Sciences, Université de Rouen, 76821Mont Saint Aignan, France e-mail: [email protected] Tel.: +33-(0)2-3514 6632 Fax: +33-(0)2-3514 6882

Jean-Marc SaiterLaboratoire d'Etude et de Caractérisation des Amorphes et des Polymères, Faculté des Sciences, Université de Rouen, 76821Mont Saint Aignan, France e-mail: [email protected] Tel.: +33-(0)2-3514 6632 Fax: +33-(0)2-3514 6882

Jean GrenetLaboratoire d'Etude et de Caractérisation des Amorphes et des Polymères, Faculté des Sciences, Université de Rouen, 76821Mont Saint Aignan, France e-mail: [email protected] Tel.: +33-(0)2-3514 6632 Fax: +33-(0)2-3514 6882

Abstract

PET [poly(ethylene terephtalate)] is a semi-crystalline thermoplastic that is very suitable for forming processes and is widely used in various technologies. For specific applications, it is necessary to avoid the crystallization of the material by quenching from the melting state while for other applications this crystallization is required. It follows that the ability of PET to crystallize could be a crucial industrial problem, particularly because of the large range of PET proposed by plastic suppliers. This work deals with a calorimetric method able to discriminate this aptitude between various PET rapidly and to give a criterion of crystallizability.

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Experimental protocol to determine the ability of PET to crystallize

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Experimental protocol to determine the ability of PET to crystallize

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