1. Natural rubber, synthetic
rubber & neoprene.
Jorge Godínez Leal y Bruno Moral Delgado
1º A

2. Natural Rubber

3. What is it?

Polymers of isoprene.

With minor impurities.

And water.

4. Origin and history

Origin: South America.

Seeds were brought to Europe in the XIX
century.

Small plants were sent to some Southern
Asian countries.

Current sources: Brazil, Malaysia, Congo…

5. Properties

Easily oxidized by air.

Sensitive to heat.

Soft.

Elastic.

6. Uses

Rubber tubes.

Shoe soles & door
stoppers.

Rubber bands.

Rubber hoses and rubber
caps.

7. Synthetic rubber

8. What is it?

Elastomer, more elastic under stress than
others.

Can return to previous size after stress.

Substitute of natural rubber.

9. Origin and history

Bouchardat created a type in 1897.

Fritz Hofmann obtained first synthetic
rubber in 1909.

It take a big demand in vehicles.

10. Properties

Resistant again heat and flames.

Flexible in low temperatures.

Electricity and heat insulator

Resistant to wear aging.

11. Uses






To form:
Tyres of vehicles.
Adhesive tapes.
Hoses.
Shoe soles.
Wire and cable insulation.

12. Neoprene

13. What is it?

Type of synthetic rubber.

It have a lot of applications.

Is the rubber with more uses.

14. Origin and history

Invented by company DuPont.

First rubber produced in comany scale.

Obtained from synthetic rubber.

15. Properties

Very flexible.

High durability.

Fire, fat, oil, sun light and water salinity
resistant.

It’s corroded by the sun and rain.

Serious pollution effects.

16. Uses

Pipes.

Leashes.

Gloves.

Sleeping bags.

Hoses.

Wetsuits.

17. The End