Interphase-layer effect on deformation of silicone rubber filled with nanosilica particles

被引：0

作者：

Adachi, Tadaharu ^{[1
]}

Yamada, Yuki ^{[1
,2
]}

Ishii, Yosuke ^{[1
]}

机构：

[1] Toyohashi Univ Technol, Dept Mech Engn, Tempaku Ku, 1-1 Hibarigaoka, Toyohashi, Aichi 4418580, Japan

[2] Mazda Motor Corp, 3-1 Shinchi,Fuchu Cho, Hiroshima 7308670, Japan

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2018年 / 135卷 / 08期

基金：

日本学术振兴会;

关键词：

composites; mechanical properties; viscosity and viscoelasticity; CONDUCTIVE POLYMER COMPOSITES; IMPROVED ELECTRICAL-CONDUCTIVITY; BUTADIENE-STYRENE COPOLYMER; CARBON-BLACK; SELECTIVE LOCALIZATION; POLYPROPYLENE/POLYSTYRENE BLENDS; PERCOLATION-THRESHOLD; TOUGHENING MECHANISM; MORPHOLOGY; INTERFACE;

D O I：

10.1002/APP.45880

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 viscoelastic and statically tensile deformation properties of silicone rubber composites filled with nanosilica (300 nm in diameter) and microsilica particles (1.5 mu m in diameter) were investigated on the basis of experimental results to clarify the interphase-layer effect on these properties. The interphase layers formed around the nanoparticles without chemical coating were found to be glassy, even though the composites were in the rubbery state. The interphase layer thickness was determined to be approximately 20 nm using Guth and Gold's mixture law with the viscoelastic properties of the nanoparticle-filled rubber in the rubbery state. The determined thickness of the interphase layer was confirmed by comparing the maximum strains at fracture for the nanoparticle-filled rubber, which decreased for higher volume fraction of the nanoparticles. Therefore, the deformation properties were clarified to depend on the volume fraction of the apparent particles composed of the nanoparticles and interphase layers. (C) 2017 Wiley Periodicals, Inc.

引用

页数：7

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