Question

Thermoplastic materials are those materials which:

Answer 1

Answer:

thermoplastic is a material, usually a plastic polymer, which becomes more soft when

heated and hard when cooled. Thermoplastic materials can be cooled and heated several times without any change in their chemistry or mechanical properties. When thermoplastics are heated to their melting point, they melt to a liquid.........

I hope this will help uhh

Answer 2

Explanation:

Examples of thermoplastic materials are polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyamides, polyesters, and polyurethanes. High-temperature thermoplastics include polyetherether ketones, liquid crystalline polymers, polysulfones, and polyphenylene sulfide.