Polyethylene Terephthalate

(C₁₀H₈O₄)ₙ

IUPAC: Poly(ethylene terephthalate)

CAS: 25038-59-9

개요

PET is one of the most recycled plastics worldwide. It is clear, strong, and lightweight, making it ideal for beverage bottles. As a fiber, it is known as polyester and dominates the textile industry. It is the only plastic that has a truly circular recycling economy.

구성

원소 기호 원자 원자 질량
Hydrogen H 8 1.0080
Carbon C 10 12.0110
Oxygen O 4 15.9990

원소 구성

C
62.5%
O
33.3%

용도

  • Beverage bottles
  • Polyester textile fibers
  • Food packaging
  • 3D printing filament (PETG)

흥미로운 사실

  • Recycling symbol #1 — the most commonly recycled plastic
  • About 60% of PET production goes into synthetic fibers, only 30% into bottles

안전

  • ⚠ Generally safe for food contact
  • ⚠ Antimony trioxide catalyst residues are a concern

Frequently Asked Questions

What is Polyethylene Terephthalate?
Polyethylene Terephthalate ((C₁₀H₈O₄)ₙ) is a polymer compound with the IUPAC name Poly(ethylene terephthalate).
What is the molecular weight of Polyethylene Terephthalate?
Polyethylene Terephthalate has a molar mass of 192.17 g/mol.
What state is Polyethylene Terephthalate at room temperature?
Polyethylene Terephthalate is a solid at room temperature.
Is Polyethylene Terephthalate organic or inorganic?
Polyethylene Terephthalate is classified as an inorganic compound.
What elements make up Polyethylene Terephthalate?
Polyethylene Terephthalate ((C₁₀H₈O₄)ₙ) is composed of Hydrogen (H), Carbon (C), Oxygen (O).