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Dye Splitting on Silk Fabrics
Posted on Tuesday, October 18 @ 08:30:05 EDT by admin |
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At best, silk isn't easy to dye all one color. That's why really good silk fabrics are advertised as yarn dyed, meaning that the yarn was dyed first, and then the silk was woven into fabric. This spreads color variations all across the fabric, giving a very even color appearance.
But for crazy quilting with monochromatic color schemes, I like hand dyed silk fabrics the best! By pushing the physical property envelope of the dyes and the silk itself and getting the dye to seperate into it's component parts, the fabric will have many different shades and hues of the same color base. This adds lots of depth and movement to the fabric while still reading monochrome.
Most Procion dyes are mixes and the different colors of dye all react with the fabric at a different speed. So by encouraging a rapid dye reaction time, we force the faster reacting dyes to exit out of the dye bath first, leaving slower reacting dye molecules to continue the reaction.
There are 3 ways to help the dyes do this.
First, ensure that the dye molecules will bind with the fabric molecules as soon as they come in contact with each other. To accomplish this, soak the fabric in mordant before you put it in the dye bath.
Second, encourage dye wicking. Wring the fabric as dry as you can. You can even run it through the spin cycle of the washer. This will cause dye molecules to migrate faster, leaving lots of water (and dye molecules) behind in the fabric.
Third, use physical resist techniques. Arrange the fabric with lots of hills and valleys. This forms physical barriers to fabric/fiber bonding just cause the fabric at the bottom and inner curves won't come in contact with the dye till the dye is wicked there.
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