Question:
Which from following is a thermosetting polymer?
Which from following is a thermosetting polymer?
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Thermosetting polymers have cross-linked structures that harden permanently on heating.
Updated On: Nov 13, 2026
- Polyvinyl
- Polystyrene
- Ureaformaldehyde
- Nylon 6,6
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
Thermosetting polymers are heavily cross-linked and cannot be remoulded once set.
Step 2: Examples
Bakelite, urea-formaldehyde resin and melamine-formaldehyde resin are thermosetting.
Step 3: Compare
Polyvinyl, polystyrene and nylon 6,6 are linear thermoplastics that soften on heating, so urea-formaldehyde is the answer.
Final Answer:
Urea-formaldehyde resin is thermosetting. \[ \boxed{\text{(C) }\text{Ureaformaldehyde}} \]
Thermosetting polymers are heavily cross-linked and cannot be remoulded once set.
Step 2: Examples
Bakelite, urea-formaldehyde resin and melamine-formaldehyde resin are thermosetting.
Step 3: Compare
Polyvinyl, polystyrene and nylon 6,6 are linear thermoplastics that soften on heating, so urea-formaldehyde is the answer.
Final Answer:
Urea-formaldehyde resin is thermosetting. \[ \boxed{\text{(C) }\text{Ureaformaldehyde}} \]
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