Sofia Martinez
Plastic is a massive problem, with the UAE, for example, being one of the world's highest consumers of single-use plastic. However, recycling technologies have enabled us to turn plastic bottles into soft, polyester thread to make eco-friendly clothing. This process involves shredding and melting down the plastic before spinning it into yarn, which is then sewn into clothes. Some companies, like Timberland, focus on recycling water bottles, while others, like Kelly Slater's Outerknown line, repurpose shoreline waste. In 2016, approximately 400,000 graduates across the U.S. wore gowns made from recycled PET bottles, and since then, more companies have turned to recycled materials to reduce their environmental impact.
| Characteristics | Values |
|---|---|
| Plastic type | PET bottles |
| Recycling process | Shredding, cleaning, melting, spinning into yarn |
| Yarn type | Polyester thread |
| Clothing type | Jackets, swimwear, shoes, leggings, backpacks, gowns |
| Environmental impact | Eco-friendly, reduces plastic waste, upcycling |
| Commercial impact | Higher production cost, consumer demand for sustainability |
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What You'll Learn
Shredding and sorting plastic bottles
The process of turning plastic bottles into clothing begins with the collection of used plastic bottles, which are then shredded into small flakes or flecks. This step is crucial as it ensures that any remaining liquid is removed from the bottles. These plastic shreds are then bundled into large bags and transported to a facility for further processing.
During the sorting process, the colour of the plastic bottles is an important factor. Clear bottles are often preferred as they can produce a crisp white thread that can be easily dyed. Bottle caps, made of tougher plastic, are separated and excluded from the process. The plastic flakes undergo a cleaning process, including a bath of water and chemicals, to ensure they are sanitized and free from impurities.
The cleaned plastic flakes are then melted down and extruded into long, thin fibres to create yarn. This yarn is spun into soft, breathable fabric, which can be woven into various clothing items such as t-shirts, jackets, and board shorts. The fabric made from recycled plastic bottles is durable and comfortable, comparable to regular fabric in terms of quality and feel.
The process of shredding and sorting plastic bottles is just the beginning of the journey towards creating eco-friendly clothing. By using recycled PET plastic bottles, companies can produce sustainable garments that reduce waste and our dependence on oil within the fashion industry. This process not only gives plastic bottles a second life but also contributes to a more environmentally conscious approach in the world of fashion.
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Melting plastic into pellets
While it is not possible to melt plastic into pellets at home, there are mouldable plastic pellets available on the market that can be melted and reused for various projects. For example, Polly Plastics sells mouldable plastic pellets that can be melted with hot water from a kettle or with a blow dryer or heat gun. The pellets can be used for various projects, including crafts, cosplay, home repair, modelling, and prototyping.
When it comes to turning plastic into clothes, the process typically involves recycling plastic bottles. This process usually begins with collecting and sorting the bottles by colour, shredding the bottles into plastic flecks, sanitizing them, melting them down, and then spinning them into yarn. This yarn can then be sewn into clothes.
Some companies that have incorporated recycled plastic into their clothing lines include Adidas, Rothy's, Girlfriend Collective, H&M, Outerknown, Timberland, and Patagonia. In 2016, approximately 400,000 graduates in the US wore gowns made from recycled PET bottles, amounting to about 10.8 million plastic bottles.
Recycling plastic bottles into clothing is a great way to upcycle and reduce the amount of plastic that ends up in landfills. However, it is important to note that this practice does not address our dependence on plastic, and there are more sustainable alternatives, such as organic cotton and hemp. Nonetheless, as more brands adopt recycled plastic, it is hoped that the process will become more cost-effective, encouraging even more companies to prioritise sustainability.
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Spinning plastic into yarn
Plastic yarn, or "plarn", can be made from old plastic shopping bags. The bags are flattened to form a rectangle, with the top, bottom, and handles removed. The remaining sheet is then cut into strips. There are two popular methods for this: the spiral method and the "slit skirt" method. The slit skirt method involves cutting diagonally from the end of one slit to the start of another, working from the bottom of the first slit to the top of the second, and so on. The spiral method is not detailed here, but instructions are available online. Once the bag has been cut into strips, the plastic yarn can be wound into a ball and used for knitting, crocheting, or crafting.
On an industrial scale, plastic bottles can be shredded, sorted by colour, cleaned, melted, and spun into yarn. This yarn can then be sewn into clothes. The resulting fabric is eco-friendly, as it reduces the amount of plastic that ends up in landfills. It is also cost-effective, as plastic bottles and polyester thread are made from the same substance: polyethylene terephthalate (PET).
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Dyeing the yarn
Dyeing yarn can be a fun and creative process, but it is important to be cautious and well-prepared. Before you begin, make sure you have a dedicated space where you can work without interruption and where any spills or messes won't cause damage. Cover your work surface with plastic wrap or a plastic trash bag, and if necessary, tape it down to keep it in place. If you are using a powder dye, it is recommended to wear a dust mask to avoid inhaling the fine particles. It is also a good idea to put on gloves to protect your skin from the dye and any chemicals you may be using.
The next step is to prepare your yarn by soaking it in an acid bath. This will help remove any oils from the fibres that might prevent the dye from setting properly. You can use a mixture of vinegar and warm water for this step, with approximately 3 tablespoons of vinegar per skein of yarn. Soak the yarn for at least 30 minutes, or up to an hour if using Synthrapol as recommended by some sources. After soaking, gently wring out the excess liquid, leaving the yarn damp.
Now it's time to add the colour! There are several ways to do this, and you can get creative with your technique to achieve different effects. If you want a single solid colour, mix your dye in a large container and soak the entire skein. For a multicolour or ombre effect, you can dip different sections of the yarn into different colours or strengths of dye. You can also hand-paint the dye onto the yarn with a sponge brush, creating unique patterns and allowing colours to overlap and bleed into one another. If you want to add small specks of colour, sprinkle powder dye over the yarn and cover with plastic wrap to allow the steam to build up and intensify the colour.
Once you've applied the dye, you'll need to set it. One method is to wrap the yarn in plastic wrap and microwave it in intervals to avoid burning the yarn. Alternatively, you can steam the yarn in a vegetable steamer for 30 minutes to an hour. Remember to let the yarn cool down before handling it! After it has cooled, rinse the yarn in cold water until the water runs clear, then gently wring out the excess water. Finally, wash the yarn in cold water with a mild detergent and hang it to dry.
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Sewing the clothes
Sewing plastic fabric may seem impossible, but it can be done with a few modifications to your sewing technique. The fabric made from recycled plastic can be used for clothing, and it can be woven, knitted, or used for a wide range of textile products.
Firstly, it is important to sew in a cool area to prevent the sheeting from sticking together. Using a Teflon-coated or roller presser foot can also help with this. Next, lay a strip of tissue paper the same length as your sheeting on your work surface or the floor. Place a piece of your sheeting, right-side-up, on top of the tissue paper. Then, place another piece of tissue paper on top of the sheeting, followed by another layer of sheeting, this time with the right side facing down. With the right needle, you should be able to sew the plastic fabric as you would normally sew cotton fabric.
Before sewing your fabric into clothing, it is important to finish the fabric. Wash the fabric in warm water to remove any remaining plastic particles or odors from the melting process. If desired, dye the fabric with synthetic-friendly dyes. Finally, let the fabric air-dry completely before sewing it into garments.
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Frequently asked questions
First, the plastic bottles are shredded into small flakes. These flakes are then melted down into pellets. The pellets are then melted again and spun into threads. Depending on how the threads are treated, they can be used for various textiles.
Turning plastic into clothes helps to reduce plastic consumption and recycle plastic waste. It is also a way to reduce a company's environmental impact.
Examples of clothing made from recycled plastic include jackets, yoga pants, shoes, swimwear, and snowwear. Specific items include Adidas' shoes, Everlane's ReNew collection, Patagonia's jackets, Girlfriend Collective's leggings, and Kind's bags.
