Development and optimization of alumina fine fibers utilizing a centrifugal spinning process

被引：22

作者：

Akia, Mandana ^{[1
]}

Capitanachi, Dulce ^{[1
]}

Martinez, Misael ^{[1
]}

Hernandez, Carlos ^{[1
]}

de Santiago, Hector ^{[2
]}

Mao, Yuanbing ^{[2
]}

Lozano, Karen ^{[1
]}

机构：

[1] Univ Texas Rio Grande Valley, Dept Mech Engn, 1201 West Univ Dr, Edinburg, TX 78539 USA

[2] Univ Texas Rio Grande Valley, Dept Chem, 1201 West Univ Dr, Edinburg, TX 78539 USA

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2018年 / 262卷

基金：

美国国家科学基金会;

关键词：

Alumina fine fibers; Optimization; Response surface methodology; Mesoporous structure; GAMMA-AL2O3; NANOFIBERS; HYDROTHERMAL SYNTHESIS; FABRICATION; NANOWIRES; NANORODS;

D O I：

10.1016/j.micromeso.2017.11.039

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Aluminum isopropoxide and poly(vinylalcohol) fine fibers were successfully fabricated and optimized utilizing the response surface methodology. The optimized composite fibers showed mean fiber diameter of 304 nm. The fiber samples were calcined at different temperatures to attain both gamma and alpha phases of alumina. Various characterization methods including scanning electron microscopy, thermogravimetric analysis, x-ray diffraction and nitrogen adsorption/desorption analysis were conducted. The BET analysis revealed a surface area of 261 m(2)g(-1) for the mesoporous gamma alumina structure. Statistical analysis of electron microscopy micrographs showed a mean fiber diameter of 272 nm for the crystalline alpha alumina fine fibers, calcined at 1200 degrees C.

引用

页码：175 / 181

页数：7

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