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alexander parkes is the first person who discovered thermoplastic
Alexander Parkes discovered thermoplastic.
thermosetting material
Thermoplastic and thermoset materials both fall under the broad category of Polymers. The biggest difference between a thermoplastic and thermoset is that a thermoplastic can be recycled. Whereas a thermoset irreversibly cure. Thermoplastic: PE, PP, PVC. Thermoset: Bakelite, Epoxy.
thermosetting material
Thermoplastic Rubber (TPR)
It is a transparent thermoplastic.
A thermoplastic material is one that becomes pliable above a certain temperature. They are most commonly used for making molded items. Plastic drinks cups, for example, are made from thermoplastic material.
Alexander parkes
No. Elastomer = possesses elasticity. As with most rubbers, neoprene is an elastomer. Thermoplastic = can be melted and re-formed. Neoprene is a thermoset material, which means that it will chemically degrade instead of melting.
Celluloid
Wikipedia has an whole article on the topic thermoplastic extrusion. Thermoplastic extrusion is a high volume manufacturing process in which raw plastic material is melted and formed into a continuous profile.