DILUTE-SOLUTION PROPERTIES AND TEMPERATURE-DEPENDENCE OF UNPERTURBED CHAIN DIMENSIONS FOR POLY(PARA-TERT-BUTYLSTYRENE)

被引：7
|
作者：
MAYS, JW
NAN, SY
WHITFIELD, D
机构：
[1] Department of Chemistry, The University of Alabama at Birmingham, Birmingham
来源：
MACROMOLECULES | 1991年 / 24卷 / 01期
关键词：
D O I：
10.1021/ma00001a048
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 temperature coefficient of chain dimensions for poly(p-tert-butylstyrene) (PtBS) has been determined from intrinsic viscosity measurements over the temperature range 10.9-65.0-degrees-C in three chemically similar-THETA-solvents. The value of d ln [r2]0/dT = -1.87 (+/-0.3) x 10(-3) K-1 is larger than the value of -1.1 x 10(-3) K-1 previously established for polystyrene (PS). Some comments are also made regarding specific solvent influences on unperturbed chain dimensions, based on available data for PtBS and PS.
引用
收藏
页码：315 / 318
页数：4
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