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What is Corn Fiber? How is Cloth Produced from Corn?

If you're looking for a vegan-friendly, sustainable textile, you might want to consider fabrics made from corn waste. So what is corn fiber and how is a fabric made from corn made? What is the environmental impact of corn production? You may be very familiar with eating corn on the cob, but how about wearing corn fiber clothes?

Biotechnology has led to the development of bio-based products derived from natural renewable resources rather than fossil fuels. Sustainable and environmentally friendly green textiles are on the rise.

Scientists and textile engineers are constantly trying to develop new environmentally friendly materials that rely less on our planet's limited resources. Fabric made with corn is such a new innovation in textiles.

What is Corn Fiber?

Corn fiber is a fairly recent textile innovation. It is an artificial fiber obtained from renewable resources. The fermentation of simple plant sugar from corn is used to create a range of textiles and applications.

The fermentation process goes through a chemical transformation, but no petrochemicals are used. So it's not 100% natural, it's man-made. The process is generally considered to be renewable.

Making corn fiber does not require petrochemistry. The fiber is derived from dextrose in corn and used to form the polymer in corn fabric. The polymer is formed into "pellets" that can be used to make a wide variety of products.

Corn fiber is an excellent substitute for synthetics and is used in corn fiber clothing and corn leather.

What Is Cloth From Corn?

Corn fabric conceptualizes the idea of using fermented plant sugars, derived from corn, to make a textile. The initial stage is making plant sugar from corn. Fiber that is used for fabric made with corn, is extracted from polylactide. (More about the production processes will follow below).

Between 5% and 10% of corn goes to waste in silos at the end of each season. It is therefore a good substance to transform agricultural waste into new material. Cargill Dow Polymers LLC developed corn fiber and it is also called Ingeo Fiber.

Nature Works make the Ingeo polymer pellets, which are then sold to yarn and filament producers. Filament producers then supply it to customers or weaving companies.

It is available in both spun and thread forms. Thus, fine light fabrics, as well as stronger fabric can be made, and also non-woven textiles. It is used for knitwear, sportswear, footwear, and outer garments. Textiles companies like working with corn fiber as prices are more stable than petroleum-derived fibers.

Manufacturing Of Fabric Made With Corn

Corn is an agricultural product and is high in starch. Corn fiber is made using the fermentation of simple plant sugar, derived from corn. You might be familiar with the use of corn fiber as a health supplement, but it can also be made into corn fiber clothing.

The starch is extracted from the plant fibers and broken down into sugars. Sugars are fermented and separated into polymers.

Corn fiber is composed of lactic acid. It is produced by converting starch into sugar and through fermentation, lactic acid is obtained.

  • The first step is to separate the starch from the biomass. Then extract the starch from the plant fibers and break it down into sugars. To make plant sugar from maize, the preferred process is wet milling. Starch is processed into dextrose and then through a fermentation process, is converted into lactic acid.

  • Corn sugar is fermented and separated into polymers. The corn fibers at this stage are paste-like substances, which is similar to making simple yogurt.

  • The residue that is obtained after fermentation of sugar, is then converted into polylactide, which is a high-performance polymer.

  • Fiber that is used for fabric made with corn, is extracted from the polylactide.

  • It is extruded into delicate strands which are cut, carded, combed, and spun into yarn.

Apart from the chemical processes, the rest of the process is very similar to the processing of wool. At the moment most of the polylactic corn fiber is used for non-woven products, like diapers and wipes, carpet backing, and horticultural products, rather than textiles for garments.

What Is Corn Fiber Used For?

Corn fiber is currently used in non-woven textiles, sportswear, knitwear, socks, and outer garments. Outer garments made from corn fiber are more eco-friendly than polyester and nylon.

Corn yarns are perfect for lightweight, summer garments. The texture is similar to cotton, but not as dense as cotton. Corn fiber can be made into yarn, fabric, non-woven products, and what is corn leather.

  • Corn yarn and fabric are used for casual t-shirts, sportswear, trousers, next-to-skin essentials like underwear, and home textiles. It is perfect for new fiberfill blends for thermal wadding that has unique natural insulation properties.

  • Non-woven: it is already used in wipes and female hygiene products as two of the non-woven applications. It is well suited for use in diapers, or nappies, and cosmetics, because of the ability to be compostable in a commercial facility.

  • As a mesh, it is used for tea infuser bags.

  • Industrial applications:

    • geotextiles, agrotextiles, specialist filtration media. In the form of a biopolymer, it can be used for packaging.

    • in the construction industry: used for slope vegetation netting, curing sheets, etc.

    • food packaging: trays, fast food containers, dustbin liners.

  • Medical field: gauge, bandages, absorbent cotton, non-woven fabric. Composite material is used as a fix-up in the bone joints.

Corn fiber is processed into pure corn yarn, but can also be blended with natural fibers like cotton, wool, silk, and viscose, as well as synthetic fibers like polyester. The most common blend is 70% cotton with 30% corn fiber.

Corn fiber yarn is breathable and similar in appearance to cotton. It is more resilient than cotton and the knitted fabric is springier, which results in a fluid drape. Stains do not set as easily as with cotton. Could be easier on the hands when hand knitting with it.

Properties Of Corn Fiber Clothing

Corn fiber is a perfect replacement for synthetic fibers. It comes entirely from corn, is fully eco-compatible and it has the appearance and feel of natural fibers. Corn fiber is available in both spun and thread form, so it can be turned into a fine light fabric or a strong fabric.

  • Fabric made with corn is soft and anti-bacterial, making it ideal for activewear.

  • Corn fibers are available in both spun and filament forms in a wide range of thread count. From micro-denier for fine and light-weight fabrics to high counts for more robust applications.

  • Hypoallergenic for those with sensitive skin.

  • Anti-wrinkle makes it perfect for traveling wear.

  • No chemical additives or surface treatments.

  • Corn fiber filaments have a fluid drape and subtle luster.

  • Removal of dirt and stains are easy.

  • Corn fiber balances strength and resilience with softness, drape, and comfort in textiles.

  • It provides excellent moisture management.

  • It is easy to wear, has a perfect drape, and provides gentle comfort.

  • Corn fabric has better UV resistance and color retention than synthetics.

  • High melting point and high crystallization degree with good clarity.

  • Fabric combats sweat and has low odor retention, thus giving the wearer confidence and comfort. It has performance benefits for yoga and sportswear.

  • It is optically active and is both a hydroxyl group and carboxylic acid group

  • Dries quickly and retains its good appearance even after numerous washes.

  • Corn fiber used in outerwear offers a more environmentally friendly alternative to synthetics. It can be used in padded and quilted garments.

Benefits Of Fabric Made With Corn

Corn fiber clothing has the appearance and feel of natural fibers. Advantages include:

  • It is derived from natural plant sugars, thus products can be decomposed at the end of their lives. On the other hand, petroleum-based products must be physically or thermally recycled, or they end up in landfills.

  • Lactic acid can be made from biomass.

  • It is naturally flame retardant.

  • Compostable at the end of its useful life.

  • Corn fiber fabric is easier to maintain than several other fabrics and can be washed and dried using standard procedures and equipment.

  • Easy care with normal machine washing and dry cleaning. Corn fiber clothing is easy to care for and comfortable to wear.

  • Better at retaining strength, color, and properties over a period, than synthetics.

  • Stain-resistant and better than synthetics in UV resistance.

  • More breathable than polyester.

  • Requires less fuel for production, thus often regarded as environmentally friendly. Fewer greenhouse gasses are produced.

  • Fiber has high strength, thus has a very broad use.

  • Characteristic of lustrous silk with a beautiful drape.

  • Conventional machinery can be used through all the production stages of yarns, fabrics, and garments.

Environmental Impact of Corn Production

Growing corn leaves a very large environmental footprint. This is because of the use of genetically modified seeds, pesticides, water use, and land hogging. However, it uses half the amount of energy that is required to produce cotton or even organic cotton.

More than 90% of corn crops that are grown in the USA, use genetically modified (GMO) seeds. Corn production is associated with mono-cropping, which causes the soil quality to be so poor, that farmers have to use chemical fertilizers. Pesticides and fertilizers contaminate the water and ecosystems.

Mono cropping is not an issue when the corn is organically grown. So make sure to buy organic, non-GMO corn. Corn fiber is vegan, but if corn production is not organic, then the use of chemicals is harmful to wildlife and ecosystems.

Fabric made with corn has a reduced environmental impact compared with petroleum-based synthetic textiles. Corn is a clean product and at the end of its life cycle, it is completely biodegradable, compostable, recyclable, and can be burnt without producing dangerous fumes. It will break down at high temperatures (above 180 degrees Fahrenheit) and high humidity (95%), such as in municipal composting facilities.

You can dispose of corn fiber clothing with zero environmental impact at the end of its useful life.

There is still a debate as to how eco-friendly corn fabric is, mainly because of the environmental impact of corn production. The main corn-producing countries are the USA, China, European Union, Brazil, Mexico, India, and Argentina.

Negative Aspects of Corn Fiber Fabric

The main disadvantage of what is a fabric made with corn is that the fermentation process involves a chemical transformation. So it is not 100% natural. The transformation is regarded as renewable as no fossil fuels are involved in the process.

Traditionally grown corn leaves a very large environmental footprint. This is due to the usage of pesticides, land hogging, and the amount of water used. Energy, however, is almost half of that required for cotton and even organic cotton.

What is corn leather, is still made with polyurethane, which is made from petrochemicals and not sustainable. So leather from corn fibers might be vegan, but still uses oil derived synthetics

Final Thoughts On What Is Fabric Made With Corn

What is corn fiber is man-made and derived from annually renewable resources? To make it on an industrial scale, will center around the fermentation, distillation, and polymerization of the maize dextrose.

As fabrics in 100%, corn fiber, and corn fiber blends are being developed, the technical knowledge on spinning, dyeing, and finishing is expanded.

Under the correct conditions and with the right handling, it is compostable and can be chemically recycled, making it a closed loop of production, consumption, disposal, and re-use. This way the environmental impact of corn production can be reduced.

If you have any experience or questions about what is corn fiber or what is a fabric made with corn, then please leave your comments below, and I will get back to you.

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2 comentarios

Nitu Mandal
Nitu Mandal
25 ene 2023

How much water is used to make 1 t-shirt of corn fabric

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ow absorbent is corn fabric compared with eg. bamboo fabric of the same gsm, weight and cotton of the same GSM weight?

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