gcsescience.com                                       68                                       gcsescience.com

Products from Oil

Clothing made from Polymers.
- Bullet Proof Vest - Strength - Lightweight.

What is Kevlar?

Kervlar is a very strong lightweight polymer which is drawn
into fibres. The fibres can be spun and woven into clothing.
Bullet proof vests used by the police contain
In equal weights it is five times as strong as steel.

Structure of Kevlar

What is the Structure of Kevlar?

The picture above shows the structure of Kevlar.
The hexagons in the polymer are made from carbon atoms
and they keep the chain straight and strong. The strength
is further increased by hydrogen bonding shown in green.

back        Links        Polymers        Revision Questions        next

gcsescience.com     The Periodic Table      Index      Polymers Quiz    gcsescience.com

Home      GCSE Chemistry      GCSE Physics

Copyright © 2015 gcsescience.com. All Rights Reserved.