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A Novel Approach of Dyeing Jute Fiber with Reactive Dye After Treating with Chitosan

M. A. Rahman Bhuiyan*
Department of Textile Engineering, Dhaka University of Engineering and Technology, Gazipur, Bangladesh

Abu Shaid
Department of Textile Engineering, Dhaka University of Engineering and Technology, Gazipur, Bangladesh

M. M. Bashar
Department of Textile Engineering, Mawlana Bhashani Science and Technology University, Tangail, Bangladesh

P. Haque
Department of Applied Chemistry and Chemical Engineering, University of Dhaka, Dhaka, Bangladesh

M. A. Hannan
Department of Textile Engineering, Dhaka University of Engineering and Technology, Gazipur, Bangladesh

Abstract/ Executive Summary:

Jute is generally not dyed with reactive dye though it is a cellulosic fiber. Reactive dye is extensively used to dye cotton, viscose and other cellulosic fibers whereas jute is dyed with basic dye. This paper presents a novel approach to dye the jute fiber with reactive dye after treating with chitosan. Jute fabric was treated with chitosan solution at different concentrations (0.5%, 1%, 2%, 3% and 4%) and then dyed with reactive dye. The depth and fastness of shade of dyed fabric were analyzed by comparing the chitosan treated samples with untreated dyed fabric samples. It has been found that, the dyebath exhaustion is increased with the increment of chitosan concentrations. The exhaustion percentages have found 36.79%, 41.59%, 48.33%, 54.46% and 58.75% for the fabric treated with 0.5%, 1%, 2%, 3% and 4% chitosan solution respectively, while the exhaustion of dyebath is only 23.15% for untreated fabric. The K/S values (at λmax = 540 nm) of dyed samples have found 4.93, 6.77, 10.5, 14.07, 15.57 and 2.37 for 0.5%, 1%, 2%, 3%, 4% and untreated fabric respectively. The color fastness to washing and rubbing of the dyed fabrics was also evaluated. In case of dry rubbing, both types of fabric have shown almost similar fastness ratings. However, chitosan treated fabrics have shown inferior fastness rating in case of wet rubbing and washing, particularly for the fabrics at higher chitosan concentrations.

Keywords: Chitosan; Dyeing; Jute Fiber; Reactive Dye

Location: In Bangladesh

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Jute

Objectives:

The application of chitosan on jute fiber offers the possibility of increasing the hydroxyl group for the formation of covalent bond with reactive dye and develop desired level of exhaustion. The current paper investigated the dyeability and color performance of chitosan treated jute fabric dyed with reactive dye and compared the results with the fabric dyed without chitosan treatment.

Methodology:

2.1. Sample Preparation Scoured, bleached 100% plain hessian jute fabric (261 GSM) was used in all the experiment. The fabric samples were treated with 4 g/l caustic soda solution for 20 minutes at 90⁰C prior to dying and neutralized with acetic acid solution. Chitosan chips (color off white, deacetylation > 70%) were collected from the laboratory of Institute of Radiation and Polymer Technology (IRPT), Bangladesh Atomic Energy Commission, Dhaka, Bangladesh. Chitosan solution was prepared by dissolving chips in distilled water in the presence of 2% acetic acid. Then the fabric samples were treated in chitosan solution for 60 minutes at 60⁰C temperature, squeezed to remove excess solution and dyed. The dyeing was carried out in Sandolab infrared lab dyeing machine (Copower Technology Ltd., Taiwan) by using a commercial reactive dye (Novacron Red FN2BL form Swiss Colours BD). Detergent (Imeron PCLF) and leveling agent (Drimagen E3R) were collected from (Clariant, Bangladesh) and used as received. Sodium hydroxide, soda ash and acetic acid were used as received and all were commercial grade.

2.2. Recipe Formulation Fabric samples were dyed with Novacron Red FN2BL at 1% (on the weight of fabric) shade. Five different concentrations of chitosan (0.5%, 1%, 2%, 3% and 4%) were used for fabric treatment.

2.3. Dyeing Procedure 3.0 g (± 5%) fabric samples were dyed treating with chitosan and without chitosan in exhaust dyeing method.

2.4. Dyeing Performance Test The color properties of dyed goods were analyzed by spectrophotometer (Data color D650). Colorfastness to washing and rubbing was measured according to ISO 105 C03 and ISO 105 X 12 [22]. Wash fastness tester (Gyrowash model no: 415/8), rubbing fastness tester (Crock meter, model no: 670) from James H Heal & Co, UK were used for the respective fastness testing.

Source of Information: Open Journal of Organic Polymer Materials, 2013, 3, 87-91

Article Link (Online Journal): DOI: 10.4236/ojopm.2013.34014

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

This study is intended to improve the absorption of reactive dye by jute fiber after treating with chitosan. The application of chitosan on jute fiber enhances the cationic sites for dye adsorption and also increases the hydroxyl group for fixation. Accordingly, dye exhaustion and depth of shade improve in the treated fabric compared to the untreated fabric. Though the fastness rating is lower in case of wet rubbing and washing, the overall fastness rating is still satisfactory. So the treatment of jute with chitosan can be an effective way for the coloration of jute fabric with reactive dye.

Knowledge Management: Journal