Which statement best describes the glass transition temperature (Tg) of polymers?

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Physics · Polymer Science

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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It is the temperature where an amorphous polymer changes from a rigid/glassy state to a flexible/rubbery behavior upon heating.

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Answer 1

It is the temperature where an amorphous polymer changes from a rigid/glassy state to a flexible/rubbery behavior upon heating.

Answer 2

It is the temperature where a polymer begins to lose mass gradually because of initial thermal degradation effects.

Answer 3

It is the temperature where crystalline polymers start to soften and flow when sufficient thermal energy is applied.

Answer 4

It is the temperature where molecular motions in the polymer slow down and approach a nearly frozen condition during heating.

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