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Question
A polymer with a Tg of 110°C and a Zw of 400 was found to have a melt viscosity of 5000 Pa.s at 160°C. What is its melt viscosity at 140°C when Zw = 900?
[Hint: Combine the WLF equation with the DP dependence].
Summary
This question belongs to physics and discusses about melt viscosity of a polymer with a Tg of 110°C.
Word count: NA
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