GATE XE · 2026 · XE-F
Question 127: Chemistry of high polymers
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Question 127
XE-FNAT2 marksNeeds review
A certain amount of plasticizer with a glass transition temperature (T_g) of −50 °C was added to a polymer to reduce its T_g from 70 °C to 30 °C. Using the Fox equation, the weight fraction of the plasticizer used is ______________ (rounded off to two decimal places).
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2026XE-F
GATE XE 2026 · Paper 1
Engineering Sciences · Original paper archive
- Section
- Section XE-F
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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