SANS and SAXS studies of pluronic L64 in concentrated solution

被引:13
作者
Wu, GW
Liu, LZ
Buu, VB
Chu, B
Schneider, DK
机构
[1] SUNY STONY BROOK,DEPT CHEM,STONY BROOK,NY 11794
[2] SUNY STONY BROOK,DEPT MAT SCI & ENGN,STONY BROOK,NY 11794
[3] BROOKHAVEN NATL LAB,DEPT BIOL,UPTON,NY 11973
来源
PHYSICA A | 1996年 / 231卷 / 1-3期
关键词
D O I
10.1016/0378-4371(95)00445-9
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The supramolecular structure, formed by a PEO-PPO-PEO copolymer, PEO(13)PPO(30)- PEO(13) or Pluronic L64, in mixtures of xylene/water, was investigated by small-angle X-ray scattering over a temperature range of 25-60 degrees C and by small-angle neutron scattering over a temperature range of 13-29 degrees C. The large aggregates had a hexagonally packed cylindrical structure with the interdomain spacing being in the order of similar to 10 nm. The interdomain spacing increased with increasing amount of solubilized water in the large aggregates.
引用
收藏
页码:73 / 81
页数:9
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