Question

thermosetting plastic and thermoplastic​

Answer 1

Answer:

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.

Answer 2

Answer:

There are two types of plastics:

Thermosetting plastics and Thermoplastics.

Thermosetting plastic cannot be bent easily. It may break when forced to bend.

Thermoplastic can be bent easily.

Thermosetting plastic cannot be softened by heating. Thus, it cannot be reshaped once moulded.

Thermoplastic can be softened easily by heating. Thus, it can be reshaped.

Explanation:

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