PHASE-EQUILIBRIUM IN THE POLYETHYLENE TEREPHTHALATE HEXAFLUOROISOPROPANOL SYSTEM

被引：0
|
作者：
CHALYKH, AY
SUROVTSOVA, OB
BUSYGIN, VB
ZANEGIN, VD
RONZHIN, NK
GERASIMOV, VI
机构：
[1] RUSSIAN ACAD SCI,INST PHYS CHEM,MOSCOW,USSR
[2] ALL UNION SYNTHET FIBER RES INST,TVER,USSR
来源：
VYSOKOMOLEKULYARNYE SOEDINENIYA SERIYA A | 1992年 / 34卷 / 06期
关键词：
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Thermodynamics of interaction of components has been studied and data on the phase state diagram have been obtained for the high-molecular PETP - hexafluoroisopropanol system using optical interferometry method. This system has the upper consolute temperature and is characterized by the combination of two types of phase equilibrium: crystalline and amorphous ones. The region of amorphous ply separation is disposed between temperatures of crystallization of the polymer and a solvent. The critical composition of the system at the upper consolute temperature (phi-2=0.0385) and temperature T=268.4 K are determined by the extrapolation method.
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页码：92 / 96
页数：5
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