Synthesis of new rhodamine dyed copolymer nanodispersions for textiles-agglomeration and control with copolymer resins

被引：5

作者：

Shenava, Shruthi Manjunath ^{[1
]}

Amin, Ashok Babubhai ^{[1
]}

Karant, Rajat Mahabaleshwar ^{[1
]}

Venkata, Shanmukhakumar Jagarlapudi ^{[2
]}

Ganugula, Rajkumar ^{[1
]}

机构：

[1] Aron Universal Ltd, Jigani Ind Area, 25-1,2nd Phase, Bangalore 560105, Karnataka, India

[2] KL Univ, Dept Chem, NH 5, Vaddeswaram 522502, Andhra Pradesh, India

来源：

DYES AND PIGMENTS | 2016年 / 133卷

关键词：

Microemulsion; Fluorescent dispersions; Styrene maleic anhydride; Agglomeration; Light fastness; Wash fastness; POLYMERIC DISPERSANTS; PIGMENT; AGGREGATION; DIMERIZATION; SURFACTANTS; STABILITY; COTTON; SIZE; 6G;

D O I：

10.1016/j.dyepig.2016.06.035

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Aqueous dispersions containing rhodamine dyed acrylonitrile/styrene/2-hydroxyethyl methacrylate copolymer nanoparticles synthesized through microemulsion polymerization process, were analyzed by Fourier Transform Infrared Spectroscopy, Malvern Particle Size Analyzer, Ultraviolet-Visible Spectroscopy and Segmental Electronic Spectroscopy to evaluate the structural and morphological influence on particle's agglomeration. Molar absorptivities were found to be decreasing relatively more in combination of the dyes as they were more prone to undergo molecular aggregation. During polymerization, agglomeration of the particles leading to form coagulum was found to be increasing linearly with increasing monomers amount, molar absorptivities and pH. The dispersions treated thermally with Styrene Maleic Anhydride resins at neutral pH exhibited well controlled agglomeration of the particles and the printed fabrics exhibited increased strength. The fabrics after exposed under Q-Sun Xenon Chamber were evaluated by Premier Colour Scan Spectrophotometer showed improved colour fastness. Segmental Electronic Spectroscopy of these dispersions showed uniform spherical shape particles. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：424 / 434

页数：11

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