SCATTERING BY CYCLIC POLYMERS AND COPOLYMERS AT LARGE SCATTERING VECTORS

被引：4
|
作者：
KOSMAS, M
BENOIT, H
HADZIIOANNOU, G
机构：
[1] INST CHARLES SADRON,F-67083 STRASBOURG,FRANCE
[2] UNIV IOANNINA,DEPT CHEM,IOANNINA,GREECE
[3] UNIV GRONINGEN,DEPT CHEM,GRONINGEN,NETHERLANDS
来源：
COLLOID AND POLYMER SCIENCE | 1994年 / 272卷 / 11期
关键词：
NEUTRON SCATTERING; CYCLIC POLYMER RING COPOLYMERS; TRANSESTERIFICATION;
D O I：
10.1007/BF00654177
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
General formulae allowing the evaluation of the form factors of cyclic block copolymers are established and graphs for cyclic copolymers of the form (A-B)(N) are shown. When N is large, the linear and the cyclic copolymer have the same behaviour. It is possible to extend at large angle an analytical expression given for linear polymers. This allows to show that, in the study of transesterification by small-angle neutron scattering, one can neglect the effect of cycles.
引用
收藏
页码：1466 / 1473
页数：8
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