Poly(vinyl alcohol) Composites Containing Layered Hydroxide Salts, Intercalated with Anionic Azo Dyes (Tropaeolin 0 and Tropaeolin 0)

被引：0

作者：

Neves da Silva, Marlon Luiz ^{[1
]}

Marangoni, Rafael ^{[1
]}

da Silva, Aline Hara ^{[1
]}

Wypych, Fernando ^{[1
]}

Schreiner, Wido Herwig ^{[2
]}

机构：

[1] Univ Fed Parana, Dept Quim, UFPR, BR-80060000 Curitiba, Parana, Brazil

[2] Univ Fed Parana, Dept Quim, UFPR, Dept Fis, BR-80060000 Curitiba, Parana, Brazil

来源：

POLIMEROS-CIENCIA E TECNOLOGIA | 2013年 / 23卷 / 02期

关键词：

Layered hydroxide salts; poly(vinyl alcohol) - PVA; orange azo dyes; colored composites; mechanical properties; NYLON 6-CLAY HYBRID; X-RAY-DIFFRACTION; MECHANICAL-PROPERTIES; NANOCOMPOSITES; MONTMORILLONITE; DELAMINATION; NANOFIBERS; BEHAVIOR; NITRATE; ORANGE;

D O I：

10.1590/S0104-14282013005000026

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Layered zinc hydroxide salts were intercalated with anionic azo dyes, obtaining orange pigments. The materials were characterized by X-ray diffraction (XRD), Fourier Transform Infrared spectroscopy (FTIR), thermal analysis (TGA/DTA/DSC) and X-ray photoelectron spectroscopy (XPS). After characterization, the layered pigments were dispersed into a matrix of poly(vinyl alcohol) - PVA, in variable concentrations, in relation to the PVA mass. Homogeneous, transparent and colorful films were obtained by wet casting method and kept in a desiccator at 65% of humidity for one week and evaluated in relation to their mechanical properties. Owing to the different intercalated anions polarities, different behaviors were observed for both pigments when used as fillers in PVA. This work opens a research front in the utilization of layered hydroxide salt intercalated with anionic dyes, as alternative fillers in polymer composite materials.

引用

页码：248 / 256

页数：9

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