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What is the difference between thermoplastic and thermosetting?
The differences between thermoplastic and thermosetting are as follows:-
| Thermoplastic | Thermosetting Plastic |
| 1. Thermoplastics are usually formed by the addition of polymerization. | 1. Thermosetting plastics are often formed by the condensation polymerization. |
| 2. It contains long-chain linear polymers and held together by weak Van der Waal forces. | 2. It contains a 3D network structure constructed with strong covalent bonds. |
| 3. A lower degree of polymerization gives less density and a higher degree a high density. | 3. They work on against the process of the degree of polymerization of thermoplastic. |
| 4. It usually becomes soften on heating and stiffen on cooling. | 4. It does not become soft on heating. |
| 5. They are expensive. | 5. They are cheap. |
| 6. Thermoplastic is soluble in organic solvents. | 6. Thermosetting plastics are insoluble in organic solvents. |
| 7. They are usually soft, weak, and less brittle in nature. | 7. They are usually hard, strong, and more brittle in nature. |
| 8. Lower in molecular weight. | 8. Higher in molecular weight as compared to thermoplastic. |
9. We can reclaim them from waste to reconstruct. (Recyclable) 10. Can be remoulded. Example- Polythene. | 9. They can’t be reclaimed from waste. (Not Recyclable) 10. Can’t be remoulded. Example- Bakelite. |
Updated on: 10-Oct-2022
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