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In Short:

IJIRA's groundbreaking research in utilizing shear thickening fluid (STF) to revolutionize jute processing signifies a remarkable leap forward in the field. Conventional methodologies heavily rely on oil-in-water emulsions featuring Jute Batching Oil (JBO), albeit raising pertinent environmental concerns. Despite the emergence of alternatives like Rice Bran Oil (RBO), which presents a more sustainable option, their efficacy is marred by high viscosity, hampering adequate penetration into jute fibers and thus compromising operational effectiveness.

Enter IJIRA's ingenious solution: STF enhanced with silica nanoparticles. This innovative concoction not only mitigates environmental apprehensions but also delivers a substantial enhancement in mechanical properties critical to jute processing. Through meticulous experimentation, IJIRA has demonstrated that STF infusions significantly bolster tensile strength, elongation, and bending rigidity of jute fibers, while concurrently mitigating fiber breakage. The outcome? Jute yarns boasting longer filaments and unparalleled robustness.

The salient features of STF are manifold and transformative. Firstly, it engenders a remarkable improvement in mechanical attributes, elevating the performance benchmarks for jute-based materials. Secondly, the incorporation of eco-friendly silica nanoparticles underscores a commitment to sustainable practices, offering a viable alternative to conventional oil-based additives. Furthermore, STF exhibits a remarkable capacity to curtail fiber breakage during processing, thereby optimizing yarn quality and enhancing overall productivity. Additionally, the enhanced spinnability facilitated by STF ensures the production of yarns characterized by reduced hairiness and superior luster, further enhancing their market appeal.

IJIRA's ongoing research endeavors are meticulously tailored to explore the vast potential of STF in industrial applications and unravel the intricate mechanisms underpinning its transformative effects. A concerted effort is underway to fine-tune STF formulations to meet the rigorous demands of industrial-scale production, while concurrently delving deeper into the intricate interplay between silica nanoparticles and jute fibers. Moreover, the horizon of possibilities extends to the realm of jute composites, where STF holds immense promise in spearheading the development of cutting-edge materials with unprecedented performance attributes.

In essence, IJIRA's pioneering research represents a paradigm shift in jute processing, heralding a new era characterized by enhanced performance, sustainability, and environmental stewardship. By leveraging the unparalleled capabilities of STF, IJIRA is poised to catalyze transformative change within the jute industry, fostering innovation, and ushering in a brighter, more sustainable future.

In Detail:

Conventional jute retting process currently being followed by the marginal jute farmers is an uncontrolled time consuming, environmentally hazardous and labour intensive process which badly affects the quality of jute fibres under adverse geo-climatic conditions. In India around 20.0 Lakh MT of jute fibres are produced annually which are extracted out from jute plants by the farmers following mostly conventional retting method. There is also scanty and erratic rain fall in jute retting season which is also found not favorable for conventional jute retting process. In Indian context more than 70% of jute fibres generated is either average or poor in quality and hence found not remunerative to the jute farmers. Hence, there is a gradual shift of farmers from cultivation of jute to some other crops appears to be beneficial to them.

IJIRA-SUBHRA consists of three retting efficient bacteria which accelerate the retting process of jute. The synergistic effect of pectinolytic and lignolytic effect of the three bacteria results in obtaining finer jute fibre with better bundle strength in reduced time period. IJIRA-SUBHRA bacteria are applied on the jute plants in vegetative form which enables them to colonize and metabolize faster than the spore form resulting in reduction of lag phase.

All the three bacteria, isolated and selected by IJIRA, belong to Biosafety level-1, hence, completely safe for jute farmers as well as the environment.

Commercialization Status:

This innovation has already been commercialized through technology transfer to two manufacturing companies,. JCI has recently purchased about 50 MT of IJIRA-SUBHRA under Jute-I-CARE scheme of Ministry of Textiles.

Patents:

The patent for this technology is under process (Patent Application No. 201831038353). Also, one paper has been published in journal of Natural Fibres in December 2021 (DOI: 10.1080/15440478.2021.2009393).

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