Polyethylene

(C₂H₄)ₙ

IUPAC: Polyethene

CAS: 9002-88-4

Ikhtisar

Polyethylene is the most widely produced plastic in the world, with annual production exceeding 100 million tonnes. It comes in several varieties (HDPE, LDPE, LLDPE) with different densities and properties. It is used in packaging, bottles, pipes, and films.

Komposisi

Unsur Simbol Atom Massa Atom
Hydrogen H 4 1,0080
Carbon C 2 12,0110

Komposisi Elemental

H
Hydrogen ×4
14,4%
C
Carbon ×2
85,6%

Kegunaan

  • • Plastic bags and films (LDPE)
  • • Bottles and containers (HDPE)
  • • Pipes and fittings
  • • Packaging materials

Fakta Menarik

  • ✦ Accidentally discovered in 1933 by ICI researchers applying high pressure to ethylene
  • ✦ Takes 500-1000 years to decompose in landfills

Keselamatan

  • ⚠ Generally non-toxic
  • ⚠ Environmental pollution from single-use plastics
  • ⚠ Microplastic contamination

Sifat

Jenis
polymer
Keadaan
solid
Massa Molar
28,05 g/mol
Kerapatan
0,9400 g/cm³
Titik Lebur
115,0 °C
Kelarutan
insoluble

Juga Dikenal Sebagai

Polythene PE

Senyawa Terkait

Cellulose

(C₆H₁₀O₅)ₙ

Nylon-6,6

(C₁₂H₂₂N₂O₂)ₙ

Sodium Polyacrylate

(C₃H₃NaO₂)ₙ

Polycarbonate

(C₁₆H₁₄O₃)ₙ

Polyethylene Terephthalate

(C₁₀H₈O₄)ₙ

Polytetrafluoroethylene

(C₂F₄)ₙ

Polyacrylonitrile

(C₃H₃N)ₙ

Polystyrene

(C₈H₈)ₙ

Starch

(C₆H₁₀O₅)ₙ

Kevlar

(C₁₄H₁₀N₂O₂)ₙ

Frequently Asked Questions

What is Polyethylene?
Polyethylene ((C₂H₄)ₙ) is a polymer compound with the IUPAC name Polyethene.
What is the molecular weight of Polyethylene?
Polyethylene has a molar mass of 28.054 g/mol.
What state is Polyethylene at room temperature?
Polyethylene is a solid at room temperature.
Is Polyethylene organic or inorganic?
Polyethylene is classified as an inorganic compound.
What elements make up Polyethylene?
Polyethylene ((C₂H₄)ₙ) is composed of Hydrogen (H), Carbon (C).