Thermosetting polymers continue to crosslink on heating followed by cooling to irreversibly produce an extremely hard material that cannot be remelted.

Question

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Thermosetting polymers undergo a chemical reaction during their initial heat treatment that creates cross-links between polymer chains. This process, known as curing, results in a material that is extremely hard and cannot be remelted or reshaped once set.

Thermosetting Polymers Continue to Crosslink on Heating Followed by Cooling