The following shows the modulus as a function of temperature for 4 different polymers, A, B and C. The glass transition temperature is 100 deg C.
Using the figure, select the correct option that is consistent with this figure.

Question

The following shows the modulus as a function of temperature for 4 different polymers, A, B and C. The glass transition temperature is 100 deg C.  
 Using the figure, select the correct option that is consistent with this figure.

Answer

Polymers B and C are amporhous and must be used below the Tg

Answer

Only polymer A has a crystalline phase

Answer

Only polymer A can be used above the Tg

Answer

Polymers A and C can be used above their Tg.

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The following shows the modulus as a function of temperature for 4 different pol...

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