Biology, asked by Avani1707, 2 days ago

Polyurethanes can be repeatedly melted and given new shapes. True or False?

Answers

Answered by pranita30

Answer:

Polythene is a thermoplastic polymer consisting of long hydrocarbon chains. Thermoplastic polymers can be repeatedly heated and moulded into any desired shape.

So it TRUE

Answered by vanlalchhuangimary

Answer:

Polythene is a thermoplastic polymer consisting of long hydrocarbon chains. Thermoplastic polymers can be repeatedly heated and moulded into any desired shape.

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