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Is Plastic a Polymer?

Maya Lin-Takahashi • • 6 min read
Is Plastic a Polymer?

Plastics are a group of materials, either synthetic or naturally occurring, that may be shaped when soft and then hardened to retain the given shape. Plastics are polymers. A polymer is a substance made of many repeating units

repeating units
A repeat unit or repeating unit is a part of a polymer whose repetition would produce the complete polymer chain (except for the end-groups) by linking the repeat units together successively along the chain, like the beads of a necklace. ... A repeat unit is sometimes called a mer or mer unit.
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Is plastic a polymer or composite?

Plastics are a type of polymer composed of chains of polymers which can be partially organic or fully synthetic. Simply put, all plastics are polymers, but not all polymers are plastics.

Why are plastic called polymer?

Plastics are considered polymers because, like polymers, plastics are high molecular weight compounds containing several repeating units. These repeating units are the basic molecules called monomers. ... Polythene contains more than 50000 monomers linked together to form a long chain. The monomer is ethylene.

Maya Lin-Takahashi
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Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.