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Natural Dyeing for a Changing Climate
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Module 2
The Science of Natural Colour
1
Dyeing with Natural Pigments: Protein vs. Cellulose Fibres
Explain how natural dye molecules bind to protein versus cellulose fibres.
Mordants: Chemical Anchors for Natural Dyes
Describe the chemical role of mordants in fixing natural dyes to fibres.
Mordant Magic: Dyeing with Alum, Iron & Tannin
Compare the effects of common mordants (alum, iron, tannin) on dye colour and fastness.
The Chemistry of Natural Dyes: pH and Color Modification
Explain how pH levels and other modifiers alter natural dye colour outcomes.
5
"Describing Natural Dye Colours with HSV"
Apply hue, saturation, and value concepts to describe and compare natural dye colours.
Predicting Colour Shifts in Mordant-Dye-Fibre Combinations
Predict colour shifts resulting from different mordant-dye-fibre combinations.
Plant-Based Colour: Mordants & Modifiers for Systematic Dyeing
Create a systematic colour chart from a single plant source using multiple mordants and modifiers.
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