SURFACE MODIFICATION OF NANO TITANIUM DIOXIDE (TiO2) BY CATIONIC SURFACTANTS AND INVESTIGATION OF ITS EFFECT ON THE PROPERTIES OF NATURAL RUBBER (NR) NANOCOMPOSITES

被引：9
|
作者：
Roy, Kumarjyoti [1 ]
Sikdar, Debdas [1 ]
Mandal, Swapan Kumar [1 ]
Debnath, Subhas Chandra [1 ]
机构：
[1] Univ Kalyani, Dept Chem, Nadia 741235, WB, India
来源：
RUBBER CHEMISTRY AND TECHNOLOGY | 2020年 / 93卷 / 02期
关键词：
STYRENE-BUTADIENE RUBBER; NITRILE RUBBER; PHOTOCATALYTIC ACTIVITY; POLY(PHENYL ACRYLATE); MECHANICAL-PROPERTIES; CHLOROPRENE RUBBER; THERMAL-PROPERTIES; ZNO NANOPARTICLES; CURE ACTIVATOR; ORGANOCLAY;
D O I：
10.5254/rct.19.84831
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We investigate the reinforcing effects of both unmodified and surface modified nano titanium dioxide (TiO2) on the cure, mechanical, and thermal properties of natural rubber (NR) nanocomposites. The surface of nano TiO2 is modified by cationic surfactants cetyltrimethylammonium bromide (CTAB) and tetraethylammonium bromide (TEAB). The surface modification of nano TiO2 is characterized by Fourier transform infrared (FTIR) spectra and Field emission scanning electron microscopy (FESEM). The result reveals that surface modified nano TiO2 is much more efficient in improving the resulting properties of NR nanocomposites in comparison with unmodified nano TiO2. The excellent improvement in the properties of surface modified nano TiO2/NR composites is due to the better hydrophobicity and uniform dispersion of modified nano TiO2 within the NR matrix, as confirmed from morphological analysis. CTAB is much more effective than TEAB with respect to the properties of nano TiO2 based NR composites.
引用
收藏
页码：346 / 359
页数：14
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