Natural Rubber (1)

Chemistry

Not quite remember

I easily remember

Definition of latex

White fluid obtained from rubber trees when the tree bark is tapped

Name of natural rubber that found in latex

Polyisoprene

Structural formula of rubber monumer

Characteristics of natural rubber (1)

Soft - Soft white solid at room temperature

Product from natural rubber

Tire, rubber band, gloves and shoe soles

Coagulation of latex

Latex is collected in liquid form for processing or it can be left to coagulate and to be collected a day after it was tapped

Coagulation process of latex

Adding a weak acid into the latex or leaving the latex exposed to the air

Way to prevent the coagulation of latex

Adding alkaline solutions such as ammonia

Vulcanisation process

Process of producing rubber that is more elastic and with better quality through the production of cross-links between polymer chains

Alternative vulcanation method

Peroxide, irradiation and metal oxide

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