pen application fields continue to expand, and the industry has broad room for development
polyethylene naphthalate (pen) is a thermoplastic polyester with excellent properties and a new type of special engineering rubber material. pen is an excellent polyester formed by the condensation polymerization of 2,6-naphthalenedicarboxylic acid dimethyl ester (ndc) or 2,6-naphthalenedicarboxylic acid (nda) and ethylene glycol (eg). compared with the traditional material pet, pen has higher gas barrier properties,…
