1. Reusing Denim Waste as a Replacement of Fusible Interline of Garments

Noor-E-Farzana Annesha, Sadman Shaharier Mallick, Muntajena Nanjeba, Rashed Al Mizan, Dr. Lal Mohan Baral

Abstract: During denim processing, lots of denim wastes are produced which has negative impact on environment and society. Therefore, the purpose of the study is to reuse the denim waste as an interlining of a garment replacing fusible interlining. During observation, two strips of sample using fusible interlining and denim waste interlining each have been prepared. After that, drapability and staining test have been performed on each fusible and denim waste interlining samples keeping the other two as control samples. The test results show higher drapability index in denim waste interlining than fusible interlining and no staining effect in both samples. This alternative interlining process have the potential to replace the usual interlining promoting circular fashion. In addition, the interlining replacement does not require any toxic resin like regular fusible interlining and eliminates the possibility of toxic gas emission. The denim waste interlining process also does not require any additional heat and pressure, thus saving energy.

 

2. Sustainable Flock Printing: Using Cotton Microfiber Waste Collected from Dyeing Machine as Flock.

Md. Mazharul Haque, Md. Abid Hassan, Soma Akter, Rashed Al Mizan, Dr. Lal Mohan Baral

Abstract: Secondary microfibers released as waste from dyeing machine can further be found in indoor air, discharged water and soil that has higher environmental and social impact. So it has become a global concern for the sustainability of textile industry. The purpose of this study is to use cotton microfiber waste as flock for flock printing which has been collected from the filter of winch dyeing machine. Then the microfibers were dried under sunlight and separated with a sieve to use it as flock in flock printing. The adhesion of microfibers as flocks in the printed area has been tested by color fastness to rubbing and color fastness to wash. The fastness ratting found 4 for rubbing and 4-5 for wash which are competitive enough when compared with commercial ratting. These results demonstrate the possibilities of using cotton microfiber waste as flock in flock printing and thereby reducing environmental and social impact of textile dyeing production. 

 

3. Re-use of Wastes of Green Tea Leaves for the Improvement of Light Perspiration Fastness Properties of Fabrics.

Tamjida Islam, A S M Rowshon Jamil, Chaity Pal , Rashed Al Mizan , Dr . Lal Mohan Baral

Abstract: In recent years, the light-perspiration fastness of textiles has become one of the most significant textile product standards. The textile factories are facing problems to fulfill the light-perspiration fastness requirements of the brands are also co-effective, socially and environmentally safe solutions to enhance the fastness properties instead of chemicals. In addition, the photo-reaction of dyes by perspiration on garments produces toxic substances that threaten to human health. In this study, the wastes of green tea leaves containing anti-oxidants and polyphenolic acids such as Gallic acid were used as sustainable natural alternatives to improve the light-perspiration fastness of fabrics, cotton, polyester, and CVC (cotton and polyester blended) fabrics were treated with the solution of waste green tea powder by exhaust method. After that, the treated and untreated samples were tested for light-perspiration fastness properties following AATCC-125 standard. The result illustrated that the light-perspiration fastness properties had been increased for polyester and cotton fabrics due to the treatment with waste green tea solution. Thus, this study will have a great potential to solve light perspiration fastness problems using a natural substitute of chemicals.

 

4. A Nature Based Solution for Decolorization of Discharge Water in Textile Industry.

Iffat Ara Anannya, Nure Arfi, Mohammad Sanjid Kabir Orian, Rashed Al Mizan, Dr. Lal Mohan Baral

Abstract: The increased demand on sustainable treatment of textile effluent influenced to maintain sustainable business growth and also to maintain water ecosystem. Thus its high time to go for a nature based solution. In this study absorbent property of Celery plant (Apium graveolens) used to decolorization of discharge water from effluent treatment plant (ETP). In an aeroponic medium, Celery plant was placed on the collected effluent discharge water and samples has been taken to observe within a periodical time limit of 7 days, where The results has been observed by 2 methods (i) UV/VIS spectrometer is used to measure concentration of discharge water (ii) color change has been observed visually. This study result reveal that concentration of pollutant in the effluent decreased with gradual increase of time. From this study it can be illustrated that usage of chemical for decolorization of effluent discharge water can be replaced with a nature-based solution which is more sustainable.