Dye ability of henna dye towards cotton fabrics in comparison with reactive dye by following reactive dyeing procedure

Author(s): Pranay Dutta1, Md. Razaya Rabbi2, Mohammad Abu Sufian3, Shahnaz Mahjebin4
1Department of Textile Technology, Chittagong Technical College, Chattogram, Bangladesh.
2Department of Merchandising Opex and Sinha Textile Group, Narayangonj, Bangladesh.
3Department of Wet Processing, Textile Engineering College Zorargonj, Chattogram, Bangladesh.
4Department of Industrial Engineering, Regency Garments Ltd., Chattogram, Bangladesh.
Copyright © Pranay Dutta, Md. Razaya Rabbi, Mohammad Abu Sufian, Shahnaz Mahjebin. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Although synthetic dyes are commonly used, natural dyes are still being utilized and used to improve their intrinsic aesthetic properties as the main material for the body’s beauty. For example, research results have shown that henna plant leaves comprise dye together with other additives. This provides a hint that if color from henna is properly studied, it can be used not only as body decoration but may also have fiber-substrates affinity. This paper explores the dyeing possibility-the ability to dye and the fastness qualities of henna dye extracted from henna leaves on cotton fabric compared to reactive dyeing using the same dyeing technique as reactive dyeing. Also, color fastness tests have been performed according to the ISO test methods. The implications of henna dye have been shown to have poor to moderate dyeing capability towards cotton fabrics as opposed to the reactive dyes when henna dyeing is accompanied by reactive dyeing. Similarly, henna dye demonstrated satisfactory properties of fastness as opposed to reactive dye. For henna dye with 50% shade, it gives an outstanding color tone with a good level of coloration. Taken into account the ability to dye and the fastness of color, the dyeing of matured henna leaves is equally advantageous to the dyeing of cotton fabrics.

Keywords: Henna dye; Reactive dye; Natural dye; Color fastness.

1. Introduction

The country such as Bangladesh has very much potential in the textile sector. In the garments sectors of our country, mainly woven and knit fabrics are used. Nowadays, Bangladesh has attained the top most leading position in the garments business. To help the garment industry, a large number of the other textile sectors have been developed and there will be more in the near future [1].

However, the textile industry includes many sections with operating operations, one of which is the dyeing industry for coloring fabrics. The textile dyeing industry’s contribution as a whole is essential to make fabrics with different shades. For this reason, to produce different shades on fabrics, textile dyes play a significant role. Moreover, textile dyes are a potentially important component of the industry as a whole. As Bangladesh is abundant in natural resources, the production of dyes in Bangladesh is relatively simple and easier. The textile dyes industry is booming in Bangladesh because of the textile industry’s growth in the emerging economies [2]. Additionally, it is estimated that the Textile Dyes Market, which was accounted for USD 7.34 billion in 2017, will increase to USD 9.82 billion by 2022 [3]. That’s why fabric dyeing processing has become the talked of topics today in our country.

In textile manufacturing, dyes are derived from two primary sources: natural dyes and synthetic dyes. Natural dyes can be characterized as organic materials that have the potential to add color to any substance for that they may have had an affinity. Natural dyes are environmentally friendly and very compliant with the environment, as they can be derived either from plants, animals, or minerals. They have beauty, depth of color, and less bright than synthetic dyes, but these natural color components were sustainable and biodegradable [4,5,6,7].

Compared to natural dyes, synthetic dyes have become commonly used due to cheaper costs [7,8] and a wide variety of vibrant colors with dramatically enhanced color fastness properties [6,9]. For example, reactive dyes have a chromophore group that is responsible for reacting with the substrate. These dyes have good color fastness properties due to the covalent bond established while dyeing [9,10]. The use of synthetic dyes became more appropriate in the food, cosmetic, and textile industry. Although most of the synthetic dyes were prepared from chemical compounds recently, those were not always welcoming for the human. However, all the natural dyes were suitable for humans, and these dyes did not harm the skin [11,12,13]. Furthermore, they have reduced toxicity and adverse reactions than that of synthetic dyes. Needless to say, many synthetic dyes have been forbidden since they induce allergy or carcinogenicity like symptoms.

Due to increased consciousness of the therapeutic properties of colors, global demand for natural dyes is of significant concern today. Though natural dyes applied in food are evaluated for protection, the details are not available for other natural dyes used in craft dyeing and possibly for boarder use. There is a reason to suppose that natural consumables are better than manufactured goods because they naturally have been made. If they are more commonly and commercially used, the safety of natural dyes must be demonstrated [5]. With respect to environmental considerations, the use of renewable non toxic and gentle natural colors needs to be reconsidered. Environment friendly natural dyes are a well-known phenomenon which produces innovative ideas. This is because it may be a viable choice for our dyeing requirements.

Highlighting certain of such problems, the purpose of this study was to determine the dye ability of henna dye towards cotton fabrics in contrast with the reactive dye using reactive dyeing technique.

2. Design of experiment

The test design is shown in the following Figure 1.

3. Method and materials

3.1. Materials

In this paper’s experiment, 100% single jersey cotton knit fabric was used. The yarn count of the fabric was 28s meant that the single-ply yarn of 28 Ne had been used to make the fabric. The GSM (Gram per Square Meter) of the fabric was 160.

3.2. Chemicals

The Four H Dyeing & Printing Ltd supplied caustic scoured as well as bleached cotton knit fabric for the dyeing purposes. Four H Dyeing & Printing Ltd. was responsible for the supply of chemical auxiliaries, including sequestering agent, wetting agent, detergent, leveling agent, glauber salt, sodium carbonate, and acetic acid.

3.3. Additional materials and equipments

The instruments and ingredients for the research are as follows: electric balance, open dye bath, water, henna leaves, oven dryer, pot, reactive dye, rota wash fastness tester and crock meter.

3.4. Henna leaves preparation for test

Firstly, the leaves of Henna were taken from the plant. The leaves were cleaned off so as to eliminate dirt and adjunct material from the leaves. Then, with a view to removing the leaves’ water content, the leaves were dried for several days under room temperature. For removal of the dye from the leaves, the dried leaves were pulverized with a grinding machine where the dried leaves were turned into powder form. After that, the powder was screened with a strainer to erase some stalk that is not well-pulverized.

3.5. Dye extraction process of henna dyes

A half kilogram of henna powder, along with the pH level of 9, was weighed in soda ash solution and kept for 24 hours under room temperature. Indeed, the solution of henna was reddish-orange color. Until the color was separated from the powder to the aqueous media, the mixture was impregnated with soda ash solutions. Reddish orange color has been formed when the liquid is alkaline. In the alkaline reddish-orange henna solution, acetic acid has been added to make pH neutral. The solution was mixed into a funnel with 5 ml of chloroform since it was natural dyes compound. After that, the solution was desiccated with glauber salt; as a result, the orange-yellow solution was produced. Until chloroform was volatilized, the solution was kept out of the sun. In the end, the mixture was then stored separately for storage. Henna leaves are shown in Figure 2 and henna powder is shown in Figure 3.

3.6. Operation for dyeing

The following techniques have been utilized in the study are explicated in the below.

Process: For 5% and 10% shade, 5% and 10% of dyestuffs, i.e., henna dye and reactive dye, has been used. Moreover, 10 gram per liter of glauber salt, 5 gram per liter of Sodium Carbonate, 2 gram per liter of Leveling Agent, 2 gram per liter of Sequestering Agent, 1 gram per liter of Wetting Agent, temperature \(70^{o}C\), time 60 minutes, 20 gm of fabric weight, and 1:30 of Materials to Liquor ratio were used. Firstly, samples and stock solutions were prepared according to the recipe. The required amounts were then taken from the stock solution by burette and measuring cylinder into an open bath. The bath was placed over an oven and stirred continuously. A thermometer was used to measure and control the temperature of the dye bath. When the temperature reached \(40^{o}C\), the soaked and squeezed sample was given to the bath with continuous stirring. After that, the temperature rose to \(70^{o}C\) within 15 minutes and maintained the temperature for 60 minutes. Then the fabric sample was taken out of the bath and rinsed with cold water. To perform after treatment, the washed sample was treated with 1 gram per liter of acetic acid at \(40^{o}C\) for 2-3 min to remove unfixed dye molecules from the fabric surface. In an oven dryer, samples are dried by hot air.

3.7. Analysis of colour fastness to rubbing

Assessment of Color Fastness to Rubbing ISO 105-X12: 1993 method was used to conduct the fabric test. Using crock meter, \(20cm\times5cm\) of sample size, \(5cm\times 5cm\) of bleached fabric, and given rotation of 10 cycles for 10 seconds to carry out the test.

3.8. Analysis of colour fastness to washing

ISO 105-C06 B2S procedure was used to execute the fabric test. 1 gram per liter of \(BNaO_3·4H_{2}O\) 4 gram per liter of ECE phosphate detergent were used. In addition, \(10cm \times 4cm\) of sample size, \(10cm \times 4cm\) of multi-fiber size, and 25 numbers of steel balls were used at 50°C for 30 minutes to perform the test.

3.9. I. Analysis of Colour Fastness to Perspiration

ISO 105-E04:2013 method was used to operate the fabric test. For the acidic solution, 5 gram per liter of sodium chloride, 2.2 gram per liter of sodium dihydrogen orthophosphate dihydrate, and 0.5 gram per liter of L-Histidine monohydrochloride monohydrate were used. Besides, \(10cm \times 4cm\) of sample size and \(10cm \times 4cm\) of multi-fiber size were used at \(38^{o}C\) for 4 hours 5 minutes to carry out the test. The solution’s pH value was 5.5 that were maintained entirely in the perspiration (acid) test.

Furthermore, for the alkaline solution, 5 gram per liter of sodium chloride, 2.5 gram per liter of disodium hydrogen phosphate dehydrate, and 0.5 gram per liter of L-Histidine monohydrochloride monohydrate were used. Moreover, \(10cm \times 4cm\) of sample size and \(10cm \times 4cm\) of multi-fiber size were used at \(38^{o}C\) for 4 hours 5 minutes to operate the test. The solution’s pH value was 8.0 that were maintained entirely in the perspiration (alkaline) test. The graphical representation of dyeing curve is given in Figure 4.

4. Result and discussion

4.1. Colour fastness to rubbing

From Table 1, it can say that the result of rubbing fastness to dry values of the cotton fabric dyed with henna dye was as same as the cotton fabric dyed with reactive dye, which was shown excellent results. Besides, it can be said that the result of rubbing fastness to wet values of the cotton fabric dyed with henna dye was shown very good results for 5% and 10% shade. Conversely, the result of rubbing fastness to wet values of the cotton fabric dyed with reactive dye was shown good and fair results for 5% and 10% shade, respectively. Hence, from the above discussion, we can say that in comparison with the cotton fabric dyed with reactive dye specimens, henna dye treated cotton fabrics deliver greater values for 5% and 10% shade.

Table 1. Effect of color fastness to rubbing.
Dye Name % of Shade Type Result
Henna 5.0% Dry 5
Wet 4/5
10.0% Dry 5
Wet 4/5
Reactive 0.5% Dry 5
Wet 4
10.0% Dry 5
Wet 3

4.2. Colour fastness to washing

From Table 2, Color fastness to wash demonstrates the effects in terms of color staining. These findings indicate that the wash materials vary in the cotton fabric dyed with reactive dye specimens and the cotton fabric dyed with henna dye specimens depending on the nature of the color’s fastness. Yet, henna dye treated cotton fabrics showed more affinity towards protein fiber than cellulosic fiber, understood from the multi-fiber grading in wash fastness.

Table 2. Effect of color fastness to washing.
% of Dye Color Staining Grade
5% Reactive Cotton 4/5
Nylon 5
Polyester 5
Acrylic 5
Wool 3
55 % Henna Cotton 4/5
Nylon 5
Polyester 5
Acrylic 5
Wool 3/4

4.3. Colour fastness to perspiration

From Table 3, it has been seen that caustic soda-treated fabric with reactive dye has been shown lower values than that of henna dye since the henna dye is more responsive to cotton fabric binding.

Table 3. Effect of color fastness to perspiration.
Dye Name % of Shade Type Result
Henna 5.0% Dry 5
Wet 4/5
10.0% Dry 5
Wet 4/5
Reactive 0.5% Dry 5
Wet 4
10.0% Dry 5
Wet 3

4.4. Swatches

Figures 5-7, showed that henna provides an outstanding color with a strong coloration for 50% shade.

5. Conclusion

From the above discussion, it is understood that henna dye shows poor to moderate dye ability towards cotton fabrics in comparison with reactive dye if the reactive dyeing procedure is followed for henna dyeing. As opposed to the reactive dye, henna dye showed satisfactory fastness properties. In case of henna dye for 50% shade, it gives an excellent color tone with good level dyeing. This study’s findings also show that natural henna derived dyes are not intended for decorating finger-nails, dyeing hair, or cosmetic products, but can also be used to impart textile colors, including cotton and protein fiber, to a certain degree. The outcome of this experiment would also introduce a rising need for organic garments to environmentally conscious customers. The mordant uses can be reduced by using natural dye, which ultimately results in showing eco-friendly dyeing. This study was practice-based, and the results are useful for the workers in the textile industries, who have been accountable for the color-fastness control and dyeing of textile materials with natural dyes.

Author Contributions

All authors contributed equally to the writing of this paper. All authors read and approved the final manuscript.

Conflicts of Interest

The authors declare no conflict of interest.

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