Two monomers are required, hexanedioic acid (adipic acid) providing
the acid groups, and 1,6 diaminohexane providing the amine groups.
In excess of 2 million tonnes of hexanedioic acid are manufactured
worldwide each year, with the vast majority being used to make
These monomers are both made from benzene,
(KA) from Benzene"
via cyclohexane and "KA", a mixture of the ketone cyclohexanone
and the alcohol cyclohexanol. Click here
for more on the manufacture of PA 6,6.