Crystallization kinetics, melting behavior, and RAP of novel etheroatom containing naphthyl polyesters (Conference Paper)

Gazzano M.; Soccio M.; Lotti N.Finelli L.Munari A.

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Crystallization kinetics, melting behavior, and RAP of novel etheroatom containing naphthyl polyesters (Conference Paper)

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摘要

The changes in crystalline phase of poly (butylene naphthalate) (PBN), poly(diethylene naphthalate) (PDEN) and poly(thiodiethylene naphthalate) (PTDEN) upon thermal treatments were evaluated by X-ray diffraction technique. The melting behavior and the crystallization kinetics of the polymers under investigation were investigated by means of differential scanning calorimetry. Multiple endotherms were evidenced in PBN and PTDEN, due to melting and recrystallization processes. By applying the Hoffman-Weeks' method, the Tm? of PBN, PDEN, and PTDEN was derived: the introduction of ethero-Atoms along PBN polymer chain causes a decrement of Tm? value. The isothermal crystallization kinetics was analyzed according to the Avrami's treatment: the presence of etheroxygen or sulphur atoms in the chain deeply reduces the PBN ability of crystallizing. Finally, no interphase was evidenced both in PDEN and PTDEN.

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《Journal of thermal analysis and calorimetry》 |2012年第2期|907-915|共9页
作者
Gazzano M.; Soccio M.; Lotti N.Finelli L.Munari A.;
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作者单位

Istituto per la Sintesi Organica e la Fotoreattivita, CNR, Via Selmi 2, 40126 Bologna, Italy;

Dipartimento di Ingegneria Civile, Ambientale e dei Materiali, Universitá di Bologna, Via Terracini 28, 40131 Bologna, Italy;

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正文语种英语
中图分类物理化学（理论化学）、化学物理学;
关键词
Diethylene glycol; Isothermal crystallization; Poly(butylene naphthalate); Thiodiethylene glycol; X-ray diffraction;

Crystallization kinetics, melting behavior, and RAP of novel etheroatom containing naphthyl polyesters (Conference Paper)

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