China’s polyethylene naphthalate relies on imports, Japan’s Teijin monopolizes the market
Polyethylene naphthalate (PEN) is a thermoplastic polyester with excellent properties. It has certain similarities in structure and properties with polyethylene naphthalate (PET), but the molecular chain of PEN polyester has certain similarities. The naphthalene ring is larger and more rigid than the benzene ring on the PET polyester molecular chain, so PEN has superior performance…
