Silane coupling agents with imidazoles superficially modify titanium dioxide

被引：0

作者：

Toledo-Hernandez, Eduardo Maximiliano ^{[1
]}

Contreras-Lopez, David ^{[1
,4
]}

Perez-Lopez, Elias ^{[2
]}

Rosas Orta, Luis Roman ^{[1
]}

Olivares-Romero, Jose Luis ^{[3
]}

Pawar, Tushar Janardan ^{[3
,5
]}

Vallejo-Montesinos, Javier ^{[1
,4
]}

机构：

[1] Univ Guanajuato, Dept Quim, Guanajuato, Mexico

[2] Univ Autonoma San Luis Potosi, Inst Fis, San Luis Potosi, Mexico

[3] Campus III Inst Ecol AC, Cluster Cient & Tecnol BioMimic, Red Estudios Mol Avanzados, Xalapa, Mexico

[4] Univ Guanajuato, Dept Quim, Noria Alta S-N, Guanajuato 36050, Mexico

[5] Campus III Inst Ecol AC, Red Estudios Mol Avanzados, Cluster Cient & Tecnol BioMim, Carretera Antigua Coatepec 351, Xalapa 91073, VC, Mexico

来源：

SOFT MATERIALS | 2023年 / 21卷 / 04期

关键词：

Titanium dioxide; imidazole; silane coupling agent; colloidal stability; SURFACE MODIFICATION; TIO2; NANOPARTICLES; MECHANICAL-PROPERTIES; SILICA; COATINGS; PHASE; 3-AMINOPROPYLTRIMETHOXYSILANE; 3-AMINOPROPYLTRIETHOXYSILANE; NANOCOMPOSITES; PERFORMANCE;

D O I：

10.1080/1539445X.2023.2278203

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, the effect of surface modification on titanium dioxide nanoparticles (NPs) is presented in both the anatase and rutile phases with an alkoxysilane and an imidazole. Samples are characterized by Z-potential, Fourier transform infrared spectroscopy, X-ray diffraction, colloidal stability, antioxidant activity, and thermogravimetric analysis. In addition, polylactic acid films were made using the NPs as a filler. These films were analyzed by atomic force microscopy, and their viscoelastic properties were obtained using a rheometer. The functionalization with the coupling agent silane and imidazole allows better dispersibility in the polymeric matrix, which translates into thermal stability accompanied by improved mechanical properties.

引用

页码：388 / 410

页数：23

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