Question

Mention any two difference between thermoplastic and thermositting plastic

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Answer 1

The primary physical difference is that thermoplastics can be remelted back into a liquid, whereas thermoset plastics always remain in a permanent solid state.

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Answer 2

Answer:

Difference Between Thermoplastic and Thermosetting Plastic

Talking about the differences between thermoplastic and thermosetting plastic, well the main distinguishing factor between the two is that, thermoplastic materials typically have low melting points due to which it can further be remoulded or recycled easily.

On the other hand, thermosetting plastic is quite the opposite. They can withstand high temperatures and once hardened these cannot be reformed or recycled even with the application of heat. In any case, let’s have a look at some of the important differences between these two compounds below.

Difference Between Thermoplastic and Thermosetting Plastic

Thermoplastic Thermosetting Plastic

Thermoplastic can be synthesized by the process called addition polymerization. Thermosetting plastics are synthesized by condensation polymerization.

Thermoplastic is processed by injection moulding, extrusion process, blow moulding, thermoforming process, and rotational moulding. Thermosetting Plastic is processed by compression moulding, reaction injection moulding.

Thermoplastics have secondary bonds between molecular chains. Thermosetting plastics have primary bonds between molecular chains and held together by strong cross-links.

Thermoplastics have low melting points and low tensile strength. Thermosetting plastics have high melting points and tensile strength.

Thermoplastic is lower in molecular weight, compared to thermosetting plastic. Thermosetting Plastic is high in molecular weight.

These are some of the differences between thermoplastic and thermosetting plastic.

Some examples of thermoplastics are listed below.

Polystyrene

Teflon

Acrylic

Nylon

Examples of thermosetting polymers include:

Vulcanized rubber

Bakelite

Polyurethane

Epoxy resin

Vinyl ester resin

Hope This Helps You!