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### Theory:

Usually, the materials we use in our daily lives include raincoats, windbreakers, or dresses like ski apparel made of nylon fibres.
Let us see some important notes on Nylon:

Origin:
Nylon is the first synthetic fibre made artificially using petrochemicals. This was first made in $$1928$$ by a group of scientists at Dupont company and was formulated by E.I. Du Pont de Nemours and Co. The nylon is composed of hydrogen, nitrogen, oxygen and carbon. These chemical units in nylon are called polyamides.
Polymerisation refers to the reaction of small molecules (monomers) combines to form large molecules (polymers).
Example:
Cellulose, Polypeptide chains of proteins, Nylon.
The hexamethylene diamine and adipic acid are mixed to form nylon salt. We have to combine appropriate monomers to form a long chain via a condensation polymerisation reaction to produce the nylon fibre.
Interesting fact:

Do you know what fibre is used to make a strong parachute rope or combat uniforms?