SOLUTION AND SOLID-STATE PROPERTIES OF HYBRID LINEAR-DENDRITIC BLOCK-COPOLYMERS

被引：185
|
作者：
GITSOV, I [1 ]
FRECHET, JMJ [1 ]
机构：
[1] CORNELL UNIV,DEPT CHEM,BAKER LAB,ITHACA,NY 14853
来源：
MACROMOLECULES | 1993年 / 26卷 / 24期
关键词：
D O I：
10.1021/ma00076a035
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 solution and solid-state properties of hybrid linear-dendritic polyether copolymers are investigated by size-exclusion chromatography with coupled viscometric detection, polarized light microscopy, and X-ray analysis. The results obtained show that the block copolymers are able to form mono- and multimolecular micelles depending on the dendrimer generation and the concentration in methanol/water (good solvent for the linear blocks). Only monomolecular micelles are observed in THF (good solvent for the dendritic blocks). The linear blocks are able to crystallize in spherulites, axialites, or unique dendritic structures depending on the overall composition of the copolymers and the solvent used.
引用
收藏
页码：6536 / 6546
页数：11
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