Chemical structure of nylon 66 (Nylon 66) and nylon 6 (Nylon 6):
Nylon 66: Nylon 66 is produced through the polymerization reaction of terephthalic acid and hexamethylenediamine. Each monomer in this chemical structure contains 6 carbon atoms, hence the name nylon 66.
Nylon 6: Nylon 6 is made from caprolactam through polymerization. The monomer in this chemical structure contains 6 carbon atoms, hence the name nylon 6.