Hybrid Pigments Based on Montmorillonite and Anionic Dyes for Leather Finishing-Reference-Cited by-同舟云学术

Hybrid Pigments Based on Montmorillonite and Anionic Dyes for Leather Finishing

Published:2021-06-30 Issue: Volume:320 Page:198-203
ISSN:1662-9779
Container-title:Solid State Phenomena
language:
Short-container-title:SSP

Author:

Bondaryeva Anna¹,Mokrousova Olena¹,Okhmat Olena²

Affiliation:

1. Kyiv National University of Trade and Economics

2. Kiev National University of Technologies and Design

Abstract

The work is focused on obtaining hybrid pigments by adsorption of anionic dyes on positively charged montmorillonite. Modification of the sodium form of montmorillonite by chromium hydroxocomplexes was provided to ensure effective adsorption of anionic dyes on the surface of mineral particles. A high level of adsorption of anionic dyes as a result of steric factor was revealed. It was shown that the adsorption of dyes depended on the pH of the medium and was characterized by a maximum level at pH 4.5 – 6.0. The scheme of obtaining hybrid pigments, which were characterized by good сovering ability, resistance to stratification, especially saturated and intense colour was proposed.

Publisher

Trans Tech Publications, Ltd.

Subject

Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics

Link

https://www.scientific.net/SSP.320.198.pdf

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