大象传媒

PlasticsNatural polymers

Plastics are widely used as they have many useful properties. Most plastics and synthetic fibres are made from chemicals derived from crude oil and are made up of long chain molecules called polymers.

Part of ChemistryChemistry in society

Natural polymers

Polymers are not simply an invention of chemists. Many are synthesised in nature and even in our bodies. The most common natural polymers are carbohydrates like starch and proteins.

Starch

A single glucose molecule and several glucose moleceules attached together, which make starch

Starch is a natural condensation polymer made from glucose monomers

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