Kinetics of nanocomposite formation by thermal polymerization of styrene in the polyvinylidene fluoride matrix

被引：6

作者：

Abdrashitov, E. F. ^{[1
]}

Kritskaya, D. A. ^{[1
]}

Bokun, V. Ch. ^{[1
]}

Ponomarev, A. N. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Energy Problems Chem Phys, Branch Talrose, Chernogolovka 142432, Moscow Oblast, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B | 2015年 / 9卷 / 02期

关键词：

nanocomposites; polymer matrices; styrene polymerization; membranes; PROTON-EXCHANGE MEMBRANES; FUEL-CELLS; SULFONATED POLYSTYRENE;

D O I：

10.1134/S1990793115020165

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

The kinetics of polystyrene (PS) accumulation in polyvinylidene fluoride (PVDF) films as a result of the thermal polymerization of styrene sorbed from a styrene-toluene-divinylbenzene solution at 90A degrees C was studied. After accumulation of similar to 65 wt % PS in the sample, the thermal polymerization rate increased by approximately an order of magnitude. This was explained by an increase in the volume of the nanosized PS phase saturated with the monomer from the surrounding solution. The thermal polymerization of styrene in the PVDF matrix proceeded in the formed nanoreactors at a constant monomer concentration in them. The rate of thermal polymerization of styrene in the PVDF film was an order of magnitude higher than that in the surrounding solution. The initiation of styrene polymerization at the interface between PVDF and monomer-saturated PS nanoinclusions was assumed to be heterogeneous.

引用

页码：316 / 320

页数：5

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