chapter 15. INTRODUCTION TO POLYMER CHEMISTRY Class 12 Chemistry Textbook Solution
3. Answer the following.
xi. Distinguish between thermosetting and thermoplastic resins. Write example of both the classes.
Answer:-
| Property | Thermosetting Resin | Thermoplastic Resin |
|---|---|---|
| Softening on Heating | No | Yes |
| Remoulded/Reshaped | No | Yes |
| Cross-Linking | Extensive cross-linking formed by covalent bonds. | Moderately strong intermolecular forces |
| Rigidity | Rigid | Not rigid |
| Examples | Bakelite, Urea-formaldehyde resins, etc. | PVC, Polythene, Polystyrene, etc. |
chapter 15. INTRODUCTION TO POLYMER CHEMISTRY Class 12 Chemistry Textbook Solution page 338
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