what is th difference between thermoplastic and thermosetting plastic
Answers
Answer:
The primary difference between the two is that Thermoset is a material that strengthens when heated, but cannot be remolded or heated after the initial forming, while thermoplastics can be reheated, remolded, and cooled as necessary without causing any chemical changes.
Explanation:
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❥ Thermoplastics:
➠Thermoplastics are the linear polymers, which become soft on heating and become hard on cooling. The molecules of these polymers are synthesized in the shape of long threads and undergo no chemical change in the molding operation.
➠ Some common thermoplastics are polyethylene, PVC, polystyrene, nylon, and acetate.
❥ Thermosetting plastics:
➠Thermosetting Plastics are cross-linked polymers, which become soft only on first heating with pressure and get hard permanently on cooling due to chemical changes by condensation and polymerization, and becomes unaffected by the heat or solvents.
➠ Examples and applications of Thermosetting plastics materials:
Epoxy resins – used as coating materials, caulks, manufacture of insulating materials, etc …
Phenolic resins – tool handles, billiard balls, sprockets, insulation, etc …