Question

Explain the difference between thermoplastic and thermosetting plastics.​

Answer 1

The main differences between Thermoplastics and Thermosetting plastics are Thermoplastic are linear polymers and Thermosetting plastics are cross-linked polymers.

Thermoplastics                             Thermosetting plastics

1. Thermoplastics are linear polymers. 1. Thermosetting Plastics are cross-  

linked polymers

2. They undergo no chemical change in the molding operation.2.They         undergo chemical change in the molding operation.

3. They can be softened again and again.   3. They cannot be re-softened once they hard.

4. These plastics can be reused. 4. These plastics cannot be reused.

5. These are soft and flexible.    5. These are hard and brittle.

Answer 2

Answer:

The shape of thermoplastic can be easily changed by heating again, while the shape of  thermosetting plastic cannot be altered once it has been mould into a particular shape.  Thermoplastic is used in making toys, combs, containers, etc. Thermosetting plastic is used  for making those items which need to withstand high temperature; such as handles of  cooking utensils.

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