The influence of synthesis conditions on the crystal and aggregate properties of calcium salt azo pigment CI Pigment Red 48: 2

R. M. Christie, I. Chugtai, R. R. Mather

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The influence of pH and heating time at 80 °C on the final stage (conversion to the calcium salt) of the formation of the metal salt azo pigment, CI Pigment Red 48:2, has been investigated. A series of systematically prepared pigment samples were characterized by transmission electron microscopy, X-ray powder diffraction, surface area measurement and a detailed nitrogen adsorption-desorption isotherm investigation. Significant differences in the crystal sizes and morphologies and in the crystal growth patterns were observed. The colour and lightfastness properties in air-drying alkyd paints are correlated with the physical property data. © 2008 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)264-270
Number of pages7
JournalDyes and Pigments
Volume80
Issue number2
DOIs
Publication statusPublished - Feb 2009

Keywords

  • Aggregate
  • Calcium salt azo pigment
  • Nitrogen adsorption
  • Transmission electron microscopy

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