Question

Wʜᴀᴛ ɪs ᴘᴏʟʏsᴛᴇʀ?¿
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Answer 1

Answer:

Polyester is a category of polymers that contain the ester functional group in every repeat unit of their main chain. As a specific material, it most commonly refers to a type called polyethylene terephthalate (PET). ... Liquid crystalline polyesters are among the first industrially used liquid crystal polymers.

Explanation:

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Answer 2

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Polyester (polyethylene terephthalate) is derived from a chemical reaction involving petroleum, air, and water. This artificial fiber is comprised of purified terephthalic acid (PTA) and monotheluene glycol (MEG). Polyester is thermoplastic, meaning it can be melted and reformed