Natural polymers are also made of other components like rubber, silicone and even DNA.
The first synthetic plastics, made using fossil fuels instead of plants or animals, came out in 1929. Polystyrene, polyester and polythene were some of the derivatives of synthetic plastics, driven mainly by the war industry.
Petrochemical companies then targeted the mass market with products like Tupperware and for bottling soft drinks and milk.
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