INVESTIGATION OF POLYMER DYNAMICS THROUGH THE PRESSURE EFFECT ON INTRAMOLECULAR EXCIMER FORMATION OF A SMALL PROBE

被引:13
|
作者
JING, DP
BOKOBZA, L
SERGOT, P
MONNERIE, L
COLLART, P
DESCHRYVER, FC
机构
[1] ECOLE SUPER PHYS & CHIM IND,PHYS CHIM STRUCT & MACROMOLEC LAB,10 RUE VAUQUELIN,F-75231 PARIS 05,FRANCE
[2] CATHOLIC UNIV LEUVEN,DEPT CHEM,B-3030 HEVERLE,BELGIUM
关键词
Ethers--Forming - Polymers - Probes - Relaxation Processes;
D O I
10.1016/0032-3861(89)90011-6
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 pressure effect on intramolecular excimer formation of meso-bis[1-(2-pyrenyl)ethyl]ether dissolved in polyisoprene and in polyisobutylene has been investigated. The rate of conformational change of the probe is free-volume dependent. The results show that, at a given fractional free volume, obtained by changing either temperature or pressure, the probe has the same mobility.
引用
收藏
页码:443 / 446
页数:4
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