Chemical Engineering - Polymer Technology - Discussion

Nylon can prepared by anionic polymerization reaction with the help of caprolactam.

Nylon prepared by self condensation of caprolactam.

Nylon is prepared from condensation reaction of adipic acid and hexamethylene diamine.

Nylon6 manufactured from caprolactum by ring opening polymerization, reaction takes 4-5 hrs for starts the polymerization at 533k in the presence of nitrogen gas.

Nylons (poliamides) can be synthesized by two different ways.

The first method is ring opening polymerization and caprolactam is used.

The second method is polymerization of diamine with diacid. Naming is made by telling number of carbons in diamine and number of carbons in diacid.

As it can be understood from its name that there is only one digit appears. So Nylon 6 is manufactured from carpolactam.

Nylon 6 prepared from caprolactam. And nylon 6 6 prepared from adipic acid and hexamethylene diamine.

Nylon 6 is synthesized by ring-opening polymerization of caprolactam. Caprolactam has 6 carbons, hence Nylon 6. When caprolactam is heated at about 533 K in an inert atmosphere of nitrogen for about 4"5 hours, the ring breaks and undergoes polymerization. Then the molten mass is passed through spinnerets to form fibres of nylon 6.