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How to determine the glass transition, crystallization, melting, and oxidation temperatures of poly (ethylene terephthalate) (PET)? Draw the thermogram. If the PET contains carbon black

How to determine the glass transition, crystallization, melting, and oxidation temperatures of poly (ethylene terephthalate) (PET)? Draw the thermogram. If the PET contains carbon black and BaSO4 (thermal decomposition temperature: > 800C), how to determine the compositions of carbon black and BaSO4? Draw the thermogram. (10%)

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