Poly(butylene succinate)/poly(vinyl phenol) blends. Part 1. Miscibility and crystallization

被引:63
作者
Qiu, ZB [1 ]
Komura, M
Ikehara, T
Nishi, T
机构
[1] Tokyo Inst Technol, Grad Sch Sci & Engn, Dept Organ & Polymer Mat, Meguro Ku, 2-12-1 Ohokayama, Tokyo 1528552, Japan
[2] Univ Tokyo, Sch Engn, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
[3] Kanagawa Univ, Fac Engn, Dept Appl Chem, Kanagawa Ku, Yokohama, Kanagawa 2218686, Japan
基金
日本学术振兴会;
关键词
poly(butylene succinate)/poly(vinyl phenol) blends; miscibility; morphology;
D O I
10.1016/j.polymer.2003.10.030
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Miscibility has been investigated in blends of poly(butylene succinate) (PBSU) and poly(vinyl phenol) (PVPh) by differential scanning calorimetry in this work. PBSU is miscible with PVPh as shown by the existence of single composition dependent glass transition temperature over the entire composition range. In addition, the polymer-polymer interaction parameter, obtained from the melting depression of PBSU using the Nishi-Wang equation, is composition dependent, and its value is always negative. This indicates that PBSU/PVPh blends are thermodynamically miscible in the melt. Preliminary morphology study of PBSU/PVPh blends was also studied by optical microscopy (OM). OM experiments show the spherulites of PBSU become larger with the PVPh content, indicative of a decrease in the nucleation density, and the coarseness of PBSU spherulites increases too with increasing the PVPh content in the blends. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:8111 / 8117
页数:7
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