short note on thermoplastics?
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thermoplastic means which melts easily and cannot be remolded. hope tgis is helpful for you. please follow me
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Thermoplastics are defined as polymers that can be melted and recast almost indefinitely. They are molten when heated and harden upon cooling. When frozen, however, a thermoplastic becomes glass-like and subject to fracture. These characteristics, which lend the material its name, are reversible, so the material can be reheated, reshaped, and frozen repeatedly. As a result, thermoplastics are mechanically recyclable. Some of the most common types of thermoplastic are polypropylene, polyethylene, polyvinylchloride, polystyrene, polyethylenetheraphthalate and polycarbonate.
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here is ur answer... ⏬⏬⏬
Thermoplastics are defined as polymers that can be melted and recast almost indefinitely. They are molten when heated and harden upon cooling. When frozen, however, a thermoplastic becomes glass-like and subject to fracture. These characteristics, which lend the material its name, are reversible, so the material can be reheated, reshaped, and frozen repeatedly. As a result, thermoplastics are mechanically recyclable. Some of the most common types of thermoplastic are polypropylene, polyethylene, polyvinylchloride, polystyrene, polyethylenetheraphthalate and polycarbonate.
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A thermoplastic or thermosofting plastic is a plastic materials that is pliable or moderate able above a specific temperature and solidfies above cooling.
Most thermoplastic have a high molecule weight.The polomer chains associated with intermolecule forces,which weaken rapidly with increase temperature , yielding a viscous liquid. Thus , thermoplastic is reshaped by heating .
Most thermoplastic have a high molecule weight.The polomer chains associated with intermolecule forces,which weaken rapidly with increase temperature , yielding a viscous liquid. Thus , thermoplastic is reshaped by heating .
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