Crystallization and morphology in a 30/70 poly (ethylene succinate - co - 6 mol % butylene succinate) / poly (ethylene oxide) blend / Yan Yang in Industrial & engineering chemistry research, Vol. 51 N° 26 (Juillet 2012)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 51 N° 26 (Juillet 2012) . - pp. 9191-9197 Titre : Crystallization and morphology in a 30/70 poly (ethylene succinate - co - 6 mol % butylene succinate) / poly (ethylene oxide) blend Type de document : texte imprimé Auteurs : Yan Yang, Auteur ; Zhaobin Qiu, Auteur Année de publication : 2012 Article en page(s) : pp. 9191-9197 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Morphology Crystallization Résumé : Crystallization and morphology were studied in a 30/70 poly(ethylene succinate-co-6 mol % butylene succinate)/ poly(ethylene oxide) (P(ES-co-6 mol % BS)/PEO) blend in this work. Depending on the crystallization conditions, including one-step and two-step crystallization, both components may crystallize separately or simultaneously. P(ES-co-6 mol % BS) and PEO crystallized separately via two-step crystallization. When the crystallization temperature was between the melting points of the two components, both the spherulitic growth rate and the overall crystallization rate of P(ES-co-6 mol % BS) decreased with increasing crystallization temperature; moreover, they were slower in the blend than in neat P(ES-co-6 mol % BS) at the same crystallization temperature. When the crystallization temperature was further lowered below the melting point of PEO, PEO crystallized only as tiny crystals within the P(ES-co-6 mol % BS) spherulites formed earlier, while its overall crystallization rate was increased significantly in the presence of the P(ES-co-6 mol % BS) crystals. In the case of simultaneous crystallization, growth of both P(ES-co-6 mol % BS) and PEO spherulites and the formation of interpenetrated spherulites were observed in a wide crystallization temperature range via one-step crystallization. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26107477 [article] Crystallization and morphology in a 30/70 poly (ethylene succinate - co - 6 mol % butylene succinate) / poly (ethylene oxide) blend [texte imprimé] / Yan Yang, Auteur ; Zhaobin Qiu, Auteur . - 2012 . - pp. 9191-9197. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 26 (Juillet 2012) . - pp. 9191-9197 Mots-clés : Morphology Crystallization Résumé : Crystallization and morphology were studied in a 30/70 poly(ethylene succinate-co-6 mol % butylene succinate)/ poly(ethylene oxide) (P(ES-co-6 mol % BS)/PEO) blend in this work. Depending on the crystallization conditions, including one-step and two-step crystallization, both components may crystallize separately or simultaneously. P(ES-co-6 mol % BS) and PEO crystallized separately via two-step crystallization. When the crystallization temperature was between the melting points of the two components, both the spherulitic growth rate and the overall crystallization rate of P(ES-co-6 mol % BS) decreased with increasing crystallization temperature; moreover, they were slower in the blend than in neat P(ES-co-6 mol % BS) at the same crystallization temperature. When the crystallization temperature was further lowered below the melting point of PEO, PEO crystallized only as tiny crystals within the P(ES-co-6 mol % BS) spherulites formed earlier, while its overall crystallization rate was increased significantly in the presence of the P(ES-co-6 mol % BS) crystals. In the case of simultaneous crystallization, growth of both P(ES-co-6 mol % BS) and PEO spherulites and the formation of interpenetrated spherulites were observed in a wide crystallization temperature range via one-step crystallization. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26107477

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