Kevlar

(C₁₄H₁₀N₂O₂)ₙ

IUPAC: Poly(p-phenylene terephthalamide)

CAS: 26125-61-1

Overview

Kevlar is an aramid fiber five times stronger than steel by weight. Invented by Stephanie Kwolek in 1965, it is used in bulletproof vests and aerospace.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 10 1.0080
Carbon C 14 12.0110
Nitrogen N 2 14.0070
Oxygen O 2 15.9990

Elemental Composition

H
Hydrogen ×10
4.2%
C
Carbon ×14
70.6%
N
Nitrogen ×2
11.8%
O
Oxygen ×2
13.4%

Uses

  • • Bulletproof vests
  • • Aerospace composites
  • • Racing tires
  • • Cut-resistant gloves

Fun Facts

  • ✦ Invented by Stephanie Kwolek, who almost discarded the cloudy solution that became Kevlar

Properties

Type
polymer
State
solid
Molar Mass
238.24 g/mol
Density
1.4400 g/cm³
Solubility
insoluble

Related Compounds

Cellulose

(C₆H₁₀O₅)ₙ

Epoxy Resin DGEBA

C₂₁H₂₄O₄

Nomex

(C₁₄H₁₀N₂O₂)ₙ

Nylon-6,6

(C₁₂H₂₂N₂O₂)ₙ

Phenol-Formaldehyde Resin

(C₇H₆O₂)ₙ

Polyacrylonitrile

(C₃H₃N)ₙ

Polycarbonate

(C₁₆H₁₄O₃)ₙ

Polyethylene

(C₂H₄)ₙ

Polyethylene Terephthalate

(C₁₀H₈O₄)ₙ

Polyhydroxybutyrate

(C₄H₆O₂)ₙ

Frequently Asked Questions

What is Kevlar?
Kevlar ((C₁₄H₁₀N₂O₂)ₙ) is a polymer compound with the IUPAC name Poly(p-phenylene terephthalamide).
What is the molecular weight of Kevlar?
Kevlar has a molar mass of 238.24 g/mol.
What state is Kevlar at room temperature?
Kevlar is a solid at room temperature.
Is Kevlar organic or inorganic?
Kevlar is classified as an inorganic compound.
What elements make up Kevlar?
Kevlar ((C₁₄H₁₀N₂O₂)ₙ) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).