Polyethylene Terephthalate

(C₁₀H₈O₄)ₙ

IUPAC: Poly(ethylene terephthalate)

CAS: 25038-59-9

概要

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.

組成

元素 記号 原子 原子質量
Hydrogen H 8 1.0080
Carbon C 10 12.0110
Oxygen O 4 15.9990

元素組成

H
Hydrogen ×8
4.2%
C
Carbon ×10
62.5%
O
Oxygen ×4
33.3%

用途

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

豆知識

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

安全性

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

特性

タイプ
polymer
状態
solid
モル質量
192.17 g/mol
密度
1.3800 g/cm³
融点
260.0 °C
溶解度
insoluble

別名

PET PETE Polyester

関連化合物

Cellulose

(C₆H₁₀O₅)ₙ

Epoxy Resin DGEBA

C₂₁H₂₄O₄

Kevlar

(C₁₄H₁₀N₂O₂)ₙ

Nylon-6,6

(C₁₂H₂₂N₂O₂)ₙ

Sodium Polyacrylate

(C₃H₃NaO₂)ₙ

Polyethylene

(C₂H₄)ₙ

Polylactic Acid

(C₃H₄O₂)ₙ

Polymethyl Methacrylate

(C₅H₈O₂)ₙ

Polyurethane

(C₃H₂NO)ₙ

Polycarbonate

(C₁₆H₁₄O₃)ₙ

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).