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What is the Flory-Fox equation related to?

  • Glass transition temperature

  • Boiling point

  • Freezing point

  • Viscosity

Answer

The Flory-Fox equation relates to the glass transition temperature (Tg) of a polymer. It establishes a relationship between Tg and the polymer's molecular weight (M) and its free volume (fv). The equation suggests that Tg increases with increasing M and decreasing fv. This is because higher molecular weight polymers have more chain entanglements, which restrict their mobility and increase their Tg.
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