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Define 'Plastic'. Differentiate between thermosetting and themoplastic.
Step 1
Plastic is a synthetic material made from polymers, which are long chains of molecules. It is versatile, lightweight, and can be molded into various shapes when heated. Plastics are widely used in numerous applications, including packaging, construction, Show more…
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Differentiate between thermoplastic and thermosetting plastic (with 2 points each and one example for each) Thermoplastic and thermosetting plastic are two different types of polymers that have distinct properties and uses. Here are the key differences between them: 1. Thermoplastic: - Thermoplastic materials can be melted and re-melted multiple times without undergoing any significant chemical change. - They have a linear or branched molecular structure, which allows them to be easily molded and reshaped when heated. - Example: Polyethylene (PE) is a common thermoplastic that is used in various applications such as packaging, pipes, and toys. 2. Thermosetting plastic: - Thermosetting plastics undergo a chemical change when heated and molded, resulting in a permanent and irreversible structure. - They have a cross-linked molecular structure, which gives them high strength, rigidity, and resistance to heat and chemicals. - Example: Bakelite is a thermosetting plastic that was widely used in electrical insulators and early telephones.
What are the main differences between thermoplastic polymers and thermosetting polymers?
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