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), (c) melting–recrystallization–remelting mechanism during the DSC heating process, (d) physical aging or/and relaxation of the rigid amorphous fraction, (e) different molecular weight species, and (f) orientation effects and so forth. However

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-3910(99)00064-6 . 20. Guadagno , L , Fontanella , C , Vittoria , V , Longo , P 1999 Physical aging of syndiotactic polypropylene . J Polym Sci Part B: Polym Phys 37 2 173 – 180 10.1002/(SICI)1099-0488(19990115)37:2<173::AID-POLB6

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) melting, recrystallization and remelting (mrr) during heating, (2) presence of more than one crystal modifications (polymorphism), (3) different crystalline morphology (lamellar thickness, distribution, perfection, or stability), (4) physical aging and

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Journal of Thermal Analysis and Calorimetry
Authors: Javier Tarrío-Saavedra, Carlos Gracia-Fernández, Jorge López-Beceiro, Salvador Naya, and Ramón Artiaga

process. In addition, Chen et al. studied the nature of the DSC peak that is reported in the literature as the T 1 peak. They concluded that T 1 endotherm is the enthalpy relaxation behavior resulting from a prolonged physical aging process, related to

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Edible wheat gluten (WG) protein films

Preparation, thermal, mechanical and spectral properties

Journal of Thermal Analysis and Calorimetry
Authors: S. C. Mojumdar, C. Moresoli, L. C. Simon, and R. L. Legge

chemical reactions in the polymer matrix. The most common aging processes that films use to go through are: Physical aging: migration of additives from the matrix This is a physical process that the films suffer when

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