2012•Advanced materials researchOpen access

The Effect of Mordan Complexation of Natural Pigments on the Dyeing of Wool Dyeing of Natural Pigments

Yun Jiang Sun, Qing Tao Meng

Abstract

The effects of different pH values and temperatures on the dyeing behavior of three types of natural pigment (lac dyer red, gardenia yellow, gardenia blue) on wool fabric was determined. The optimal dyeing temperature was found to be 100degC and the optimal pH value was 4 when using the most suitable mordant, aluminium sulfate. After mordant dyeing the fabric colour fastness basically met the requirements.

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Key concepts: Dyeing, Mordant, Wool, Pigment, Natural dye, Pulp and paper industry, Chemistry, Materials science