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Engineering Chemistry Quiz

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Explain the types of plastics mentioned in the text.

Thermoplastic and Thermosetting Plastics are mentioned in the text.

What are the characteristics a plastic material should possess?

A plastic material should possess sufficient rigidity, dimensional stability, and mechanical strength at room temperature to serve as a useful household article, gadget, or structural part, and still be of such a character that it may be molded into shape by the application of reasonable temperature and pressure.

What is polyethylene (polythene)?

Polyethylene (Polythene) is a simple and inexpensive homopolymer.

What are macromolecules in the context of plastics?

<p>Plastics are macromolecules formed by polymerization and have the ability to be shaped by the application of a reasonable amount of heat and pressure or some other form of force.</p> Signup and view all the answers