Feeds:
Posts
Comments

Posts Tagged ‘indigo powder’

On Sunday, Lesley, Brianna and I experimented for the first time with dyeing yarn and fabric with indigo. Lesley had ordered a kit from Dharma, and we started by dissolving and mixing the indigo powder and reducing agent in a big pot of warm water.

After stirring, we let the pot sit for an hour, while the chemical reaction worked its magic. When the water turned a yellowish-green, it was ready to dye. The instructions said to remove the “flower”, a bubble of blue stuff that formed on the top of the water. Lesley gamely jumped in to give it a try. It was very, very stinky.

Then it was time to dye the material! After soaking each hank or piece of fabric in water to wet thoroughly, we held in the pot for three minutes or so, gently agitating to make sure the dye penetrated the whole piece, without making bubbles or splashes.

When the fabric was removed, it was a bright yellow color, which rapidly started to turn blue as it was exposed to the oxygen in the air. Wild!

We lay out the pieces for twenty minutes, watching with excitement as the colors continued to deepen and darken as time passed.

I  then rinsed, washed, and dried the fabric. I made different colors by starting with white fabric or yellow fabric, and varying the amount of time the fabric was exposed to the dye, sometimes dunking the pieces for two times.

Such a different way to dye fabric, stretching my understanding of chemistry a bit, what with reacting agents and oxidation and the like. Crazy to take a moment and imagine that this is how our blue jeans are dyed!

Advertisements

Read Full Post »