Small-angle X-ray scattering and dielectric relaxation studies of the order-disorder transition of semidilute solutions of polystyrene-block-polyisoprene

被引：7
|
作者：
Sakamoto, N
Nashimoto, T
Kido, R
Adachi, K
机构：
[1] KYOTO UNIV,DEPT POLYMER CHEM,GRAD SCH ENGN,KYOTO 60601,JAPAN
[2] OSAKA UNIV,GRAD SCH SCI,DEPT MACROMOL SCI,TOYONAKA,OSAKA 560,JAPAN
来源：
MACROMOLECULES | 1996年 / 29卷 / 25期
关键词：
D O I：
10.1021/ma9609487
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The order-disorder transition (ODT) of semidilute solutions of polystyrene-block-polyisoprene in toluene was studied by small-angle X-ray scattering (SAXS) and dielectric relaxation. Both methods clearly revealed, for the first time for a semidilute solution, a sharp order-disorder transition at the same order-disorder transition temperature. The SAXS studies indicated that the ODT is the thermally induced first-order phase transition from the ''non-mean-field disordered state'' to an ordered state.
引用
收藏
页码：8126 / 8131
页数：6
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