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The multiple melting behaviour of poly(ethylene naphthalene-2,6-dicarboxylate) (PEN) and poly(butylene naphthalene-2,6-dicarboxylate) (PBN) as well as of eight random poly(ethylene-co-butylene naphthalene-2,6-dicarboxylate)s (PEBN) copolymers was studied using differential scanning calorimetry. The isothermally crystallized samples showed up to three melting peaks, depending on the crystallization temperature. Especially, the PEBN 70/30 copolymer showed a four-fold melting peak. Recrystallization exotherm is observed in some cases just before the ultimate melting peak of polymers. This multiple melting, as well as the effect of crystallization temperature on this behaviour, is discussed in detail in this work.

Посилання на статтю:

Multiple melting behaviour of poly(ethylene-co-butylene naphthalene-2,6-dicarboxylate)s / George Z. Papageorgiou, George P. Karayannidis // Polymer. – 1999. – N 40. – P. 5325–5332.

Multiple melting behaviour of poly(ethylene-co-butylene naphthalene-2,6-dicarboxylate)s - Завантажити.