3. Polyethylenaphthalate and copolymers (PEN)
3.1 Presentation
It was industrial access to methyl naphthalenedicarboxylate (the Amoco process taken over by BP) that enabled the commercial development of PEN.
PEN is a semi-crystalline polymer with a melting temperature (Tf) and glass transition temperature (Tg) much higher than those of PET. Its crystallization kinetics are slower (table 5).
PEN homopolymer has good barrier properties to oxygen, carbon dioxide, water...
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Polyethylenaphthalate and copolymers (PEN)
Aliphatic polyesters
References
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