Kevlar

(C₁₄H₁₀N₂O₂)ₙ

IUPAC: Poly(p-phenylene terephthalamide)

CAS: 26125-61-1

Tổng quan

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.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 10 1,0080
Carbon C 14 12,0110
Nitrogen N 2 14,0070
Oxygen O 2 15,9990

Thành phần nguyên tố

H
Hydrogen ×10
4,2%
C
Carbon ×14
70,6%
N
Nitrogen ×2
11,8%
O
Oxygen ×2
13,4%

Công dụng

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

Sự thật thú vị

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

Tính chất

Loại
polymer
Trạng thái
solid
Khối lượng mol
238,24 g/mol
Mật độ
1,4400 g/cm³
Độ hòa tan
insoluble

Hợp chất liên quan

Cellulose

(C₆H₁₀O₅)ₙ

Epoxy Resin DGEBA

C₂₁H₂₄O₄

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

Polyethylene Terephthalate

(C₁₀H₈O₄)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).