Tuesday, October 22, 2019

Sharpie Pen Tie Dye - Use Science to Create Wearable Art

Sharpie Pen Tie Dye - Use Science to Create Wearable Art Normal tie dye can be messy and time-consuming. You can get a really cool tie-dye effect using colored Sharpie pens on a t-shirt. This is a fun project that even young kids can try. Youll get wearable art and may learn something about diffusion and solvents. Lets get started! Sharpie Pen Tie Dye Materials colored Sharpie pens (permanent ink pens)rubbing alcohol (e.g., 70% or 90% isopropyl alcohol)white or light-colored cotton t-shirtplastic cup Let's Do Tie Dye! ... except you dont have to tie anything. Smooth a section of the shirt over your plastic cup. You can secure it with a rubber band if you want.Dot a Sharpie to form a circle in the center of the area formed by the cup. You are aiming for a dotted ring about 1 in diameter. You can use more than one color.Drip rubbing alcohol on the blank center of the circle. I used the extremely low-tech method of dipping a pencil in the alcohol and dotting it on the shirt. After a few drops, you will see the alcohol spread outward from the center of the ring, taking the Sharpie ink with it.Continue adding drops of alcohol until you are satisfied with the size of the pattern.Allow a couple of minutes for the alcohol to evaporate before moving on to a clean section of the shirt.It doesnt have to be a circle. You can make stars, triangles, squares, lines... be creative!After your shirt is completely dry (alcohol is flammable, so dont use heat on a damp shirt), set the colors by tumbling the shirt in a hot clothes dryer for ~15 minutes.You can wear and wash your new shirt like other clothes now. How It Works The ink in a Sharpie pen dissolves in alcohol but not in water. As the shirt absorbs the alcohol, the alcohol picks up the ink. You can get new colors when different colors of ink mix together. The wet ink will diffuse, or move from areas of higher concentration to lower concentration. When the alcohol evaporates, the ink dries. Sharpie pen ink doesnt dissolve in water, so the shirt can be washed. You can use other types of permanent markers, but dont expect great success using washable markers. Theyll dissolve in the alcohol to make the tie-dye pattern, but theyll also lose color as soon as you wash them.

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