Question

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Difference between thermoplastic and thermosetting plastic??

Answer 1

Thermoplastics :

• It can be melted and recycled.

• 2 Dimensional with no crosslinks.

• Prepared mostly by additional polymerisation.

• Mostly processed by conventional methods such as injection molding, extrusion and blow molding.

• Examples include polyethylene (PE), polyethylene terphthalate (PET).

Thermosetting plastics :

• It cannot be melted and recycled.

• 3 Dimensional with multiple crosslinks.

• Prepared mostly by condensation polymerisation.

• Mostly processed by special methods such as compression, transfer and casting.

• Examples include Phenol formaldehyde, melamine formaldehyde.

Answer 2

Thermoset vs. Thermoplastics. ... The primary physical difference is that thermoplastics can be remelted back into a liquid, whereas thermoset plastics always remain in a permanent solid state. Think of thermoplastics as butter – butter can be melted and cooled multiple times to form various shapes.