Natural renewable materials can play a big role in reducing the consumption of synthetic materials for environmental sustainability. Natural fiber-reinforced composites have attracted significant research and commercial importance due to their versatile characteristics and multi-dimensional applications. As the natural materials are easily rotten, flammable, and moisture absorbent, they require additional chemical modification for use in sustainable product development. In the present research, jute fibers were treated with rot-, fire-, and water-retardant chemicals and their corresponding polymer composites were fabricated using a compression molding technique. To identify the effects of the chemical treatments on the jute fiber and their polymeric composites, a Fourier transformed infrared radiation (FTIR) study was conducted and the results were analyzed. The presence of various chemicals in the post-treated fibers and the associated composites were identified through the FTIR analysis. The varying weight percentage of the chemicals used for treating the fibers affected the physio-mechanical properties of the fiber as well as their composites. From the FTIR analysis, it was concluded that crystallinity increased with the chemical concentration of the treatment which could be contributed to the improvement in their mechanical performance. This study provides valuable information for both academia and industry on the effect of various chemical treatments of the jute fiber for improved product development.

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Over the years, technologies have been used for the development of various textile products to meet the consumer demands in different fields as per their end-use specifications. The market sustainability of each new product mainly depends on the raw material as well as its functionality. A functional finishing dictates the end-use of the products as well as enhances the life of the products. There are important historical and economic reasons for the fact that, the science and technology of flame retardant for cellulose fibres are more advanced than for other fibres and polymers. Until perhaps 25 years ago, an overwhelming proportion of all textiles used were made of cellulose fibres. Jute is one of the important natural cellulosic fibers and used for diversified product. Similar to cotton, jute fiber has the potential to impart different functionality by different chemical finishing for its diversification. This project has been taken to improve the flameproof property of jute fabrics. Jute fabrics were treated with Di-Ammonium Hydrogen Phosphate by various concentrations under certain condition. The study was conducted at the

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