Mixing state of amphiphilic di-block copolymer/homopolymer blends

被引：8
|
作者：
Jung, SY
Yamada, T
Yoshida, H
Iyoda, T
机构：
[1] Tokyo Metropolitan Univ, Grad Sch Engn, Dept Appl Chem, Tokyo 1920397, Japan
[2] JST, CREST, Tokyo, Japan
[3] Tokyo Inst Technol, Chem Res Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2005年 / 81卷 / 03期
关键词：
blend; di-block copolymer; hexagonal packed cylinder; isothermal crystallization; micro-phase separation;
D O I：
10.1007/s10973-005-0824-1
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The mixing state of amphiphilic di-block copolymers consisted of poly(ethylene oxide) and poly(methacrylate) having azobenzene moieties in the side chains p(EO)(114)pMA(Az)(24) and poly(ethylene oxide) p(EO)(114) was investigated from the viewpoints of isothermal crystallization and nano-scale ordered structure. The chemical potential, which required establishing the constant crystal growth rate, decreased with the p(EO) content up to 60%. The hexagonal packed cylinder structure was observed for the blends with the p(EO) content up to 60% and the lattice spacing of (100) and (110) planes increased with the p(EO) content up to 60%. The blends of amphiphilic p(EO)(114)pMA(Az)(24) and p(EO)(114) were miscible without in the p(EO) content below 60%.
引用
收藏
页码：563 / 567
页数：5
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