Surface formation in polystyrene blends with poly [bis(trifluoroethoxy)phosphazene]

被引：0
|
作者：
Volkov, IO [1 ]
Tur, DR [1 ]
Pertsin, AI [1 ]
Gorelova, MM [1 ]
Naumkin, AV [1 ]
机构：
[1] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia
来源：
POLYMER SCIENCE SERIES B | 2002年 / 44卷 / 5-6期
关键词：
D O I：
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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 surface of polystyrene blends with linear and branched poly [bis(trifluoroethoxy)phosphazene] having different molecular masses was studied using the method of X-ray photoelectron spectroscopy. Under nonequilibrium conditions, the surface concentration of poly[bis(trifluoroethoxy)phosphazene] was shown to decrease with increasing molecular mass. The effect of thermal annealing on the surface composition of the blends was estimated. Annealing of samples containing a linear poly[bis(trifluoroethoxy)phosphazene] with a higher molecular mass is shown to intensify surface segregation. The annealing of blends with a branched poly [bis(trifluoroethoxy)phosphazene] with a lower molecular mass under the same conditions caused its degradation.
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页码：143 / 145
页数：3
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