The document discusses three types of rubber: natural rubber, synthetic rubber, and neoprene. Natural rubber comes from plants and was originally sourced from South America but is now mainly from Southeast Asia. It is easily oxidized and sensitive to heat. Synthetic rubber was created as a substitute for natural rubber and is more heat and flame resistant. Neoprene is a type of synthetic rubber invented by DuPont that is very durable and resistant to fire, oil, and water but can be degraded by sunlight. The rubbers have various applications including tires, hoses, gloves, and insulation.

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

2. Natural Rubber

3. What is it?

It consists of
suitable polymers of
the organic
compound isoprene, with
minor impurities of other
organic compounds plus
water.

4. Origin and history
It is from South America, especially from
Brazil which was the main source of
natural rubber.
 An European guy brought thousands of
seeds to plant them in the U.K.
 The small plants were sent to some
Southern Asian countries such as Malaysia
which is now the main source of natural
rubber.
 The Congo Free State in Africa was also a
significant source of natural rubber.


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