Question: ( 2 5 points ) In a stress relaxation experiment conducted at 2 5 C , it took 1 0 7 h for the modulus

(25 points) In a stress relaxation experiment conducted at 25C, it took 107h for the modulus of
the polymer to decay to 105Nm2. Using the WLF equation, estimate how long it will take for
the modulus to decay to the same value if the experiment were conducted at 100C. Assume that
25C is the Tg of the polymer.
(25 points) In a stress relaxation experiment conducted at 25C, it

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