Chemistry · Polymer Science
Which statement best describes the glass transition temperature (Tg) of polymers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is the temperature where molecular motions in the polymer slow down and approach a nearly frozen condition.
- 2It is the temperature where crystalline polymers start to soften and flow when sufficient thermal energy is applied.
- 3It is the temperature where a polymer begins to lose mass gradually because of initial thermal degradation effects.
- 4It is the temperature where an amorphous polymer changes from a rigid/glassy state to a flexible/rubbery state upon heating.✓
Correct answer
It is the temperature where an amorphous polymer changes from a rigid/glassy state to a flexible/rubbery state upon heating.
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