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Group Tie-Dye Instructions for Schools, Camps, Parties, Etc.INTRODUCTION The Soda Soak Tie-Dye Method is the way to do this. Our recipes, abbreviated group instructions, and a lot of patterns using this method are in the new book, "Tie-dye" (#BTD), which we include in our larger (50/100 shirt) Group Kits. Basically, you follow the Soda Soak Tie-Dye instructions en-mass. In a nutshell, what you do is fold and tie up the shirts (or whatever), soak them in a solution of soda ash and water for a few minutes, apply a solution of dye, water and urea, let them sit overnight in plastic bags, rinse them, untie them, rinse them some more, and wash them in a washing machine with synthrapol and hot water. Thats it! Easy! The Dharma group kits have all the basics except the clothing, which we carry at very reasonable prices. Dharma white clothing is 100% cotton and tie-dyes beautifully. It is also very reasonably priced. If having the thread of the garment also dye is important to you, watch for the little cotton plant icon on the clothing ad - if you don't see that icon, it is sewn with Polyester thread, which stays white. If you get your clothing elsewhere, make sure it's not a polyester blend! You'll get a very washed out look. Other odds and ends you will need are: •large tables covered with plastic (card tables or picnic tables work) •buckets for the soda ash solution (plastic is best - 5 gallon is a nice size) •old newspapers (at least 6-8 weeks old-so the ink doesn't come off) to absorb the excess dye under the clothing being tie-dyed •bowls of water to rinse gloved fingers between colors •measuring cups-2 cups or larger-clear pyrex works great •measuring spoons and spoons for stirring the dyes •Jugs with TIGHT fitting lids to hold large amounts of pre-mixed dye •a funnel - to pour premixed dye solution into squirt bottles •paper towels and/or sponges to wipe up messes! •big garbage can or bags for trash Optional things:
PREPARATION (before the session starts): It is best to have the tables all set up, covered with plastic, etc., before everyone shows up. Each work area should have newspapers, rubber bands, gloves, finger rinsing bowl, paper towels or a sponge, a bucket of premixed soda ash (allow about a gallon of soda ash mix for each 8-10 adult t-shirts - (1 lb of soda ash makes 2 gallons), and squirt bottles of premixed dye in the selected colors. It is always best to use freshly made up dye, so you can mix it the morning of the class, or the night before at most. This allows for the brightest possible color. Mix the dye in bulk, then use funnels to fill and re-fill the squirt bottles as needed. To mix up the dye in quantities you need, one way is to just multiply our 8 oz recipe by the number of cups of each color you will need - how to figure that out, you say? Well... An example: Tie-dyeing 50 t-shirts in 3 colors, using 4 "stations" with 12 to13 students at each station:
You can also use this as a guide to help you decide how much dye to mix up. Check the name of each color on the label of the jar, some colors need more dye, they are marked with an * or ** by the name. An already wet, tied up adult tee will absorb about 4 oz of liquid dye, depending on how much you apply.
ACTUAL PROJECT: You can demonstrate tyeing to the whole group first, showing them how to tie their garments-then have everyone do it at their station while it is fresh in their memory. Then all the shirts can be soaked in the soda ash 5-10 min. (Use gloves!) During that time you can demonstrate how to apply the dye on a pre-tied and soaked garment. Be sure and demonstrate how to get the dye into the folds! Then turn 'em loose! After garments are dyed, lay them all out on newspaper with plastic over the top to keep them damp for the curing process, making sure that shirts don't touch each other, or have each student put their garment in a zip lock plastic bag. Then, have the students help clean up! Caution! The soda ash solution is mildly caustic - it can irritate your skin.
Wear gloves and eye protection. Rinse off at once to avoid eye and skin irritation.
Always wear a dust mask when mixing dry dye and the Soda Ash!
step 1: mix your dyes ahead of time Wear your dust mask & gloves! Measure urea and warm water into a container, an old pitcher works well. Use the chart above for amounts. Paste up your dye with the urea water (see below), then add rest of water and stir ‘till thoroughly dissolved. You can store it in jugs with tight fitting lids to take to the event. Pour into jugs and later, the squeeze bottles with a funnel.
step 2: fold and tie garments
Have the attendees fold and/or tie the fabric into the desired patterns. For more defined patterns wet the shirt and squeeze or spin out excess water before folding. We have several books and DVDs with great pattern ideas!
step 2: soak garments in soda ash solution
When mixing, wear your dust mask & gloves! Use - 1 cup (8 oz.) of Soda Ash Fixer per gallon of warm water. Use one gallon to soak every 10-12 adult XL tees – so way more kids tees, fewer dresses, etc. Have some centrally located stations of dissolved soda ash in buckets near the dyeing tables. Have attendees bring the tied garments over to the the soda soak stations. Soak the tied garments about 5-15 minutes - if someone with thick waterproof gloves carefully and gently squeezes the soda ash water into the garments, soaking time can be reduced to a minute. Squeeze out the garment so it is damp but not dripping. You can reuse solution until gone.
step 4: squirt dye on garments
Attendees now apply dye with squeeze bottles, paint brushes, sponges, etc., as many colors as you want. (see below for tips).
step 5: let it rest
Have everyone put dyed garments in individual zip lock bags (you want to keep it damp). Make sure garments are not dripping so much dye that they are going to sit in a pool of mixed colors. Let it cure for at least 4 hours but preferably 24 hours for the brightest colors. In temperatures below 70º F, it takes longer.
step 6: rinse and wash it out
Pre-fill your washing machine with HOT water and 1/4 cup Synthrapol or Professional Textile Detergent. These are special detergents that help get the excess dye out so it won't bleed and run in future washings. Rinse the tie-dyes thoroughly before putting in the machine. Use gloves! Leaving ties on, rinse under cold running water (faucet, hose or shower), to stop the dye reaction. Next rinse in warm water while you untie the folds, keep rinsing until water runs fairly clear. Remember, good rinsing procedure keeps the clothes from looking "muddy" and colors from running over each other into white areas. You can't skimp on water! Before washing, don't let the dyed clothing touch anything! Throw in machine as soon as it is rinsed, running it through a full cycle. Don't wash more than the equivilant of about 8 adult size t-shirts at a time or the water gets too muddy. You can use Milsoft professional fabric softener in the final rinse to make your tie-dyes super soft!. **For large group tie-dye parties, copy the wash out instructions above and give them to everyone. Each person or family can take home their tie-dyes in ziplock baggies and do the rinse and wash at home. Much easier! Students could bring little jars to take some Synthrapol home in - it can eat through plastic baggies! If it is impractical to send Synthrapol or P.T.D. home with them, have them substitute Dawn liquid dish soap and wash no more than 4-5 shirts per load, as it does not work as well.
variations Check out these basic folding Patterns on our website (For more advanced folds Check out the books and DVDs!): or...
QUICK EXPLANATION
OF THE CHEMICAL PROCESSES INVOLVED IN TIE-DYEING
Fiber reactive dyes attach permanently to cellulose fibers using a covalent (electron-sharing) bond. These molecules carry a "chromophore" which absorb varying spectrums of the light, allowing only certain spectrums to reflect.
Covalent bonding is the one of the most basic and strongest types of chemical reactions. This reaction happens gradually over time depending on temperature and/or the Ph level of the surrounding environment.
The Soda Ash pre-soak raises the pH level of the garment or fabric to approximately 10.5. Raising the pH level of the solution that the fabric or garment is soaked in raises the level of negative hydrogen ions in the dyeing environment. The chemical bonding process uses these ions in the reaction. Pre-soaking in Soda Ash fixer solution is what allows the fiber reactive dyes to work at room temperature.
The reaction can also be aided with heat. Some tie-dyers have had success with using baking soda and microwaving their dyed articles. Since baking soda is a weaker alkali than Soda Ash, it must be accompanied by heat. Some people who are "chemically sensitive" choose to use this method.
The dye is allowed to react in a desirable host environment for up to 24 hours. After this time, the bonding sites on the cellulose should be saturated with dye molecules. Excess dye molecules that have not bonded permanently are washed away using warm water rinse and a dye-carrying detergent like Synthrapol.
CARE: Since procion dyes are "fiber reactive", they are very permanent and will not fade or bleed. Bleach or detergents containing bleach should not be used! If the garments have been properly rinsed and washed, they are safe to throw in with the family laundry!
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