Modification of epoxy polymers with small additives of multiwall carbon nanotubes

被引：9

作者：

Kondrashov, S. V. ^{[2
]}

Grachev, V. P. ^{[1
]}

Akatenkov, R. V. ^{[2
]}

Aleksashin, V. N. ^{[2
]}

Deev, I. S. ^{[2
]}

Anoshkin, I. V. ^{[4
]}

Rakov, E. G. ^{[3
]}

Irzhak, V. I. ^{[1
]}

机构：

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

[2] All Russia Res Inst Aviat Mat, Moscow 105005, Russia

[3] Mendeleev Univ Chem Technol, Moscow 125047, Russia

[4] Aalto Univ, Sch Sci, Dept Appl Phys, Espoo 00076, Finland

来源：

POLYMER SCIENCE SERIES A | 2014年 / 56卷 / 03期

关键词：

MECHANICAL-PROPERTIES; AMINO-FUNCTIONALIZATION; NANOCOMPOSITES; COMPOSITES; MATRIX;

D O I：

10.1134/S0965545X14030079

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 effect of small additives of functionalized multiwall carbon nanotubes used as a modifier on the formation and properties of epoxy polymers cured with diaminodiphenyl sulfone is investigated. In the range of additive concentrations 0.01-0.50 wt %, there are extreme dependences of dynamic storage modulus and the glass-transition temperature on modifier concentration. As shown by electron microscopy and X-ray scattering, regions with increased packing densities of macromolecules are formed in the polymers in the presence of the modifier. The effect of the specific surface on the kinetics of curing of epoxy resins is observed. A mechanism controlling the formation of the epoxy matrix that is responsible for the inhomogeneous polymer structuring that defines the final properties of the polymers is suggested.

引用

页码：330 / 336

页数：7

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V. P. Grachev
R. V. Akatenkov
V. N. Aleksashin
I. S. Deev
I. V. Anoshkin
E. G. Rakov
V. I. Irzhak
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