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Thermosoftening polymers. Thermosoftening polymers soften when heated and can be shaped when hot. The shape will harden when it is cooled, but can be reshaped when heated up again. ... Its tangled polymer chains can uncoil and slide past each other, making it a flexible material.
They melt when heated because thermo-softening polymers lack covalent bonds among neighboring polymer molecules.
What is polymer?
Polymers are huge molecules that are formed of long chains and networks of monomers, which are smaller molecules. Silk, hair, proteins, and DNA are examples of natural polymers.
What is thermo-sftening polymer?
Thermo-softening plastics were polymers that can be molded into various shapes while heated and then set as the shape cools. We could reshape the polymer if we reheated it again. Modern thermo softening polymers soften at temperatures ranging from 65 to 200 degrees Celsius.
It can be said that because thermo-sftening polymers lack covalent bonds among neighboring polymer molecules, when heated, the molecules can glide over each other, causing the plastic to melt.
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