Enhancement of Dispersion of Silica Modified with a Silane Coupling Agent in a Rubber Composite

被引：4

作者：

Lee, Gyu Min ^{[1
,2
]}

Yoo, Jung Whan ^{[1
]}

Lee, Ki Bong ^{[2
]}

机构：

[1] Korea Inst Ceram Engn & Technol, Ecocomposite Mat Ctr, Seoul 153801, South Korea

[2] Korea Univ, Dept Chem & Biol Engn, Seoul 136713, South Korea

来源：

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN | 2014年 / 47卷 / 02期

关键词：

Silica; Silane Coupling Agent; Modification; Hydrophobicity; Dispersion Capacity; STYRENE-BUTADIENE RUBBER; SURFACE MODIFICATION; HYDROPHOBIC SILICA; CARBON-BLACK; SBR; DEFORMATION; TEMPERATURE; PARTICLES; BEHAVIOR; FILLER;

D O I：

10.1252/jcej.13we130

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Silica has been modified with decyltrimethoxysilane at various temperatures to improve the dispersion of the silica particles in a silica-rubber composite. The modified silica samples are characterized by FT-IR and Si-29 CP/MAS NMR. With increasing treatment temperature, the chemical reaction between the silanol group of silica and the methoxy group of decyltrimethoxysilane is facilitated and the silica samples demonstrate very low water vapor adsorption capacities and good hydrophobicity compared to silica. The SBR rubber composite containing thermally modified silica shows improved silica particle dispersion. However, when physically mixed silica is used, the silica is mainly located on the surface and agglomerated.

引用

页码：159 / 164

页数：6

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