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Eco printing on fabric with marigold flowers

Introduction

It is known to all that in our textile industry printing is playing a leading role. Some specialists believe that one-day dyeing is not needed in the textile sector due to innovative printing technology. What is textile printing? Textile printing is the sequence of applying color to fabric in particular patterns or designs.

marigold-Eco-printing-fabric
Figure 1: Marigold petals to produce a printing paste of eco printing. Courtesy: Collected

Printing is an old thought. For ensuring the worlds sustainable development goals, eco printing is an innovative thought in the textile sector. Eco printing is a printing process where printing is done from natural ingredients. From this article, the author developed a natural process of printing from a natural ingredient which is a marigold flower.

Process of marigold flowers dye to make printing paste

The craft of printing grabs a unique place in Indian civilization. It is believed that process of printing from natural dye had been started since the 10th century. Due to the carcinogenic effect of synthetic dyes, the green-minded consumers are back to natural as these are non-toxic, biodegradable and have better compatibility with the environment.

Natural dyes comprise those colorants which are extracted from any animal matters or vegetable matters without using any chemical process. Natural dyes with few exceptions are non-substantive but must be used in conjunction with mordants. Mainly metallic salt are used here. Here species of a marigold flower name Tagetes erecta is selected. Petals are used to standardize the printing paste for cotton.

Material selection:

Marigold petals are dried in shade and grounded with powder which is used as a dye source in the standardized printing paste.

Fabric Selection:

Any kind of natural fabric can be used here because it is a natural process. Marigold flowers dye can be attached to this fabric through a standard printing recipe.

Preparation of compensating printing paste:

Some amount of the petals of the flower are mixed with a certain amount of water. PH level is required at 7. After the removal of water, the bath solution is strained with nylon cloth. The extracted solution is heated and mixed with printing paste. The printing recipe is varied for requiring the end product. Dye paste, guar gum can be used as paste ingredients.

The ratio and amount of the ingredients vary with the quality of the end product. It is stirred very carefully to produce a uniform paste. Seven mordants are used to fix the printing paste in fabric. They are aluminum sulfate, ferrous sulfate, lead acetate, potassium dichromate, stannous chloride, zinc chloride and copper sulfate. The selection of mordant is varied with the weight of the printing paste.

eco-printed-cotton-fabric
Figure 2: Eco printed cotton fabric.

Printing is done with a screening method in pre scouring fabric. Finally, the fabric is dried and it is steamed at 100°C. Steamed samples are given in cold rinse water to remove superficial printing paste. The eco-printed fabric is shown below:

Eco printing is recognized as a sustainable textiles application

Sustainability is the buzz word of economy, environment and society. Eco printing is a sustainable textiles application because here natural dye and natural processes are used. Environment-friendly and low cost based aesthetic products can be produced through eco-printing which has huge social value in contrast to market competition.

These applications can justify business sustainability. Another thing is process sustainability. From the eco-printing method, we can reuse rinsed cold water as a flash of a toilet at the plant. The resource is nature here or cultivating flower. From this application, we can reduce our production cost as eco fiber is available and easy to use.

Global-eco-fiber-contribution
Figure 3: Global eco fiber contribution in various sectors. Source: www.grandviewresearch.com/industry-analysis/eco-fiber-market

This pie chart is showing us clearly that eco fiber has a huge contribution to the textiles and apparel sector. So, eco printing can be recognized as sustainable textiles.

Conclusion

In fine it can be said that eco-printed textiles can play a vital role in the future. It can be used as an aesthetic purpose and other purposes. It has good washing durability and a UV protective approach which can encourage the buyer to buy the product.

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