ANIONIC LIVING POLYMERIZATION OF AN ALPHA-METHYLSTYRENE DERIVATIVE CONTAINING THE BIS(DIETHYLAMINO)PHOSPHINO GROUP

被引:22
作者
KASE, T [1 ]
IMAHORI, M [1 ]
KAZAMA, T [1 ]
ISONO, Y [1 ]
FUJIMOTO, T [1 ]
机构
[1] NAGAOKA UNIV TECHNOL,DEPT MAT SCI & TECHNOL,1603-1 KAMITOMIOKA,NAGAOKA,NIIGATA 94021,JAPAN
关键词
D O I
10.1021/ma00008a003
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 anionic polymerization of N,N,N',N'-tetraethyl-4-isopropenylphenylphosphonous diamide (PA) was studied. From the kinetic analyses, the thermodynamic parameters, DELTA-H(ss) and DELTA-H(ss), and the ceiling temperature, T(c), of the polymerization reaction of the PA monomer were found to be -6.5(1) kcal mol-1, -2.3(0) x 10 cal mol-1 K-1, and 283 K, respectively. It is concluded that if the polymerization of the monomer is initiated with n-butyllithium in tetrahydrofuran above its T(c) and then propagated below T(c), the polymerization proceeds at a first-order reaction rate without side reactions. The resulting poly(PA)s have predictable molecular weights and narrow molecular weight distributions.
引用
收藏
页码:1714 / 1719
页数:6
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