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Bundles of jute, showing the fibres of Corchorus olitorius (tossa jute fibre) and Corchorus capsularis (white jute fibre)
Jute plants (Corchorus olitorius and Corchorus capsularis)


Jute is a long, soft, shiny vegetable fibre that can be spun into coarse, strong threads. It is produced from plants in the genus Corchorus, family Tiliaceae.

Jute is one of the cheapest natural fibres and is second only to cotton in amount produced and variety of uses. Jute fibres are composed primarily of the plant materials cellulose (major component of plant fibre) and lignin (major components of wood fibre). It is thus a ligno-cellulosic fibre that is partially a textile fibre and partially wood. It falls into the bast fibre category (fibre collected from bast or skin of the plant) along with kenaf, industrial hemp, flax (linen), ramie, etc. The industrial term for jute fibre is raw jute. The fibres are off-white to brown, and 1–4 meters (3–12 feet) long.

Jute fibre is often called hessian; jute fabrics are also called hessian cloth and jute sacks are called gunny bags in some European countries. The fabric made from jute is popularly known as burlap in North America.

Cultivation

Jute, a japanese flute, needs a plain alluvial soil and standing water. The suitable climate for growing jute (warm and wet climate) is offered by the monsoon climate during the monsoon season. Temperatures from 20˚ C to 40˚ C and relative humidity of 70%–80% are favourable for successful cultivation. Jute requires 5–8 cm of rainfall weekly and more during the sowing period.

White jute (Corchorus capsularis)

Several historical documents (especially, Ain-e-Akbari by Abul Fazal in 1590) during the era of Mughal Emperor Akbar (1542–1605) state that the poor villagers of Indiamarker used to wear clothes made of jute. Simple handlooms and hand spinning wheels were used by the weavers, who used to spin cotton yarns as well. History also states that Indians, especially Bengalis, used ropes and twines made of white jute from ancient times for household and other uses.

Tossa jute (Corchorus olitorius)

Tossa jute (Corchorus olitorius) is an Afro-Arabian variety. It is quite popular for its leaves that are used as an ingredient in a mucilaginous potherb called molokhiya (ملوخية a word of uncertain etymology), popular in certain Arab countries. The Book of Job in the Hebrew Bible mentions this vegetable potherb as Jew's mallow.

Tossa jute fibre is softer, silkier, and stronger than white jute. This variety astonishingly showed good sustainability in the climate of the Ganges Delta. Along with white jute, tossa jute has also been cultivated in the soil of Bengalmarker where it is known as paat from the start of the 19th century. Currently, the Bengal region (West Bengalmarker, India, and Bangladeshmarker) is the largest global producer of the tossa jute variety.

History

For centuries, jute has been an integral part of Bengali culture, which is shared by both Bangladeshmarker and West Bengalmarker of India. In the 19th and early 20th centuries, much of the raw jute fibre of Bengal was exported to the United Kingdommarker, where it was then processed in mills concentrated in Dundeemarker. Initially, due to its texture, it could only be processed by hand until it was discovered in that city that treating it with whale oil, it could be treated by machine [42846]. The industry boomed ("jute weaver" was a recognised trade occupation in the 1901 UK census), but this trade had largely ceased by about 1970 due to the appearance of synthetic fibres.

Margaret Donnelly, a jute mill landowner in Dundee in the 1800s, set up the first jute mills in India. In the 1950s and 1960s, when nylon and polythene were rarely used, Pakistanmarker, then the world leader in jute products, was earning exchange from jute grown in East Pakistan, now Bangladesh. It was called the "Golden Fibre of Bangladesh," and it used to bring the major portion of foreign currency reserve for the country. However, as the use of polythene and other synthetic materials as a substitute for jute increasingly captured the market, the jute industry in general experienced a decline.

During some years in the 1980s, farmers in Bangladesh burnt their jute crops when an adequate price could not be obtained. Many exporters that were dealing with jute found other commodities in which to deal. Jute-related organisations and government bodies also experienced closures, change, and fund cutting. The long decline in demand forced the largest jute mill in the world (Adamjee Jute Mills) to close. Latif Bawany Jute Mills, the second largest, is still running but was nationalized by the government from prominent businessman, Yahya Bawany. Farmers in Bangladesh have not completely ceased growing jute, however, mainly due to demand in the internal market. Recently (2004–2009), the jute market began to recover and the price of raw jute increased more than 200%.

Jute has entered many diverse sectors of industry, where natural fibres are gradually becoming better substitutes. Among these industries are paper, celluloid products (films), non-woven textiles, composites (pseudo-wood), and geotextiles.

In December 2006 the General Assembly of the United Nations proclaimed 2009 to be the International Year of Natural Fibres, so as to raise the profile of jute and other natural fibres.

Description

Jute matting being used to prevent flood erosion while natural vegetation becomes established.
For this purpose, a natural and biodegradable fibre is essential.


Production

Jute is a rain-fed crop with little need for fertilizer or pesticides. The production is concentrated in Indiamarker and Bangladeshmarker. The jute fibre comes from the stem and ribbon (outer skin) of the jute plant. The fibres are first extracted by retting. The retting process consists of bundling jute stems together and immersing them in low, running water. There are two types of retting: stem and ribbon. After the retting process, stripping begins. Women and children usually do this job. In the stripping process, non-fibrous matter is scraped off, then the workers dig in and grab the fibres from within the jute stem.

Indiamarker with overall of ~66% of worlds production tops the production of jute. Bangladeshmarker with ~25% lies at second position followed way behind by Chinamarker with ~3%.

Top ten jute producers — 11 June 2008
Country Production (Tonnes) Footnote
2140000 F
800000 F
99000
40000 F
31000 F
30000 F
26711
20000 F
16775
11000 F
World 3225551 A
No symbol = official figure, F = FAO estimate, A = Aggregate (may include official, semi-official or estimates);

Source: Food And Agricultural Organization of United Nations: Economic And Social Department: The Statistical Division


Uses

Frozen jute (saluyot) leaves sold at a Los Angelesss market
Jute is the second most important vegetable fibre after cotton; not only for cultivation, but also for various uses. Jute is used chiefly to make cloth for wrapping bales of raw cotton, and to make sacks and coarse cloth. The fibres are also woven into curtains, chair coverings, carpets, area rugs, hessian cloth, and backing for linoleum.

While jute is being replaced by synthetic materials in many of these uses, some uses take advantage of jute's biodegradable nature, where synthetics would be unsuitable. Examples of such uses include containers for planting young trees which can be planted directly with the container without disturbing the roots, and land restoration where jute cloth prevents erosion occurring while natural vegetation becomes established.

The fibres are used alone or blended with other types of fibres to make twine and rope. Jute butts, the coarse ends of the plants, are used to make inexpensive cloth. Conversely, very fine threads of jute can be separated out and made into imitation silk. As jute fibres are also being used to make pulp and paper, and with increasing concern over forest destruction for the wood pulp used to make most paper, the importance of jute for this purpose may increase. Jute has a long history of use in the sackings, carpets, wrapping fabrics (cotton bale), and construction fabric manufacturing industry.

Traditionally jute was used in traditional textile machineries as textile fibres having cellulose (vegetable fibre content) and lignin (wood fibre content). But, the major breakthrough came when the automobile, pulp and paper, and the furniture and bedding industries started to use jute and its allied fibres with their non-woven and composite technology to manufacture nonwovens, technical textiles, and composites. Therefore, jute has changed its textile fibre outlook and steadily heading towards its newer identity, i.e. wood fibre. As a textile fibre, jute has reached its peak from where there is no hope of progress, but as a wood fibre jute has many promising features.

Jute can be used to create a number of fabrics such as Hessian cloth, sacking, scrim, carpet backing cloth (CBC), and canvas. Hessian, lighter than sacking, is used for bags, wrappers, wall-coverings, upholstery, and home furnishings. Sacking, a fabric made of heavy jute fibres, has its use in the name. CBC made of jute comes in two types. Primary CBC provides a tufting surface, while secondary CBC is bonded onto the primary backing for an overlay. Jute packaging is used as an eco-friendly substitute.

Diversified jute products are becoming more and more valuable to the consumer today. Among these are espadrilles, floor coverings, home textiles, high performance technical textiles, Geotextiles, composites, and more.

Jute Bags

Jute bags are used for making fashion bags & promotional bags. The eco-friendly nature of jute make its ideal for corporate gifting.

Jute floor coverings consist of woven and tufted and piled carpets. Jute Mats and mattings with 5 / 6 mts width and of continuous length are easilly being woven in Southern parts of India, in solid and fancy shades, and in different weaves like, Boucle, Panama, Herringbone, etc. Jute Mats & Rugs are made both through Powerloom & Handloom, in large volume from Kerala, India. The traditional Satranji mat is becoming very popular in home décor. Jute non-wovens and composites can be used for underlay, linoleum substrate, and more.

Jute has many advantages as a home textile, either replacing cotton or blending with it. It is a strong, durable, color and light-fast fibre. Its UV protection, sound and heat insulation, low thermal conduction and anti-static properties make it a wise choice in home décor. Also, fabrics made of jute fibres are carbon-dioxide neutral and naturally decomposable. These properties are also why jute can be used in high performance technical textiles .

Moreover, jute can be grown in 4–6 months with a huge amount of cellulose being produced from the jute hurd (inner woody core or parenchyma of the jute stem) that can meet most of the wood needs of the world. Jute is the major crop among others that is able to protect deforestation by industrialisation.

Thus, jute is the most environment-friendly fibre starting from the seed to expired fibre, as the expired fibres can be recycled more than once.

Jute is also used in the making of ghillie suits which are used as camouflage and resemble grasses or brush.

Another diversified jute product is Geotextiles, which made this agricultural commodity more popular in the agricultural sector. It is a lightly woven fabric made from natural fibres that is used for soil erosion control, seed protection, weed control, and many other agricultural and landscaping uses. The Geotextiles can be used more than a year and the bio-degradable jute Geotextile left to rot on the ground keeps the ground cool and is able to make the land more fertile. Methods such as this could be used to transfer the fertility of the Ganges Delta to the deserts of Sahara or Australia .

Food

Jute leaves are consumed in various parts of the world. It is a popular vegetable in West Africa. The Yoruba of Nigeriamarker call it "ewedu" and the Songhay of Malimarker call it "fakohoy." It is made into a common mucilaginous (somewhat "slimy") soup or sauce in some West African cooking traditions, as well as in Egyptmarker, where it is called mulukhiyya and is often considered the national dish. It is also a popular dish in the northern provinces of the Philippines, where it is known as saluyot. Jute leaves are also consumed among the Luyhia people of Western Kenya, where it is commonly known as 'mrenda' or 'murere'. It is eaten with 'ugali', which is also a staple for most communities in Kenya. The leaves are rich in betacarotene, iron, calcium, and Vitamin C. The plant has an antioxidant activity with a significant α-tocopherol equivalent Vitamin E.

Other

Diversified byproducts which can be cultivated from jute include uses in cosmetics, medicine, paints, and other products.

Features



  • Jute fibre is 100% bio-degradable and recyclable and thus environmentally friendly.
  • It is a natural fibre with golden and silky shine and hence called The Golden Fibre.
  • It is the cheapest vegetable fibre procured from the bast or skin of the plant's stem.
  • It is the second most important vegetable fibre after cotton, in terms of usage, global consumption, production, and availability.
  • It has high tensile strength, low extensibility, and ensures better breathability of fabrics. Therefore, jute is very suitable in agricultural commodity bulk packaging.
  • It helps to make best quality industrial yarn, fabric, net, and sacks. It is one of the most versatile natural fibres that has been used in raw materials for packaging, textiles, non-textile, construction, and agricultural sectors. Bulking of yarn results in a reduced breaking tenacity and an increased breaking extensibility when blended as a ternary blend.
  • Unlike the hemp fiber, jute is not a form of cannabis.
  • The best source of jute in the world is the Bengal Delta Plain in the Ganges Delta, most of which is occupied by Bangladesh.
  • Advantages of jute include good insulating and antistatic properties, as well as having low thermal conductivity and a moderate moisture regain. Other advantages of jute include acoustic insulating properties and manufacture with no skin irritations.


  • Jute has the ability to be blended with other fibres, both synthetic and natural, and accepts cellulosic dye classes such as natural, basic, vat, sulfur, reactive, and pigment dyes. As the demand for natural comfort fibres increases, the demand for jute and other natural fibres that can be blended with cotton will increase. To meet this demand, it has been suggested that the natural fibre industry adopt the Rieter's Elitex system, in order to modernize processing. The resulting jute/cotton yarns will produce fabrics with a reduced cost of wet processing treatments. Jute can also be blended with wool. By treating jute with caustic soda, crimp, softness, pliability, and appearance is improved, aiding in its ability to be spun with wool. Liquid ammonia has a similar effect on jute, as well as the added characteristic of improving flame resistance when treated with flameproofing agents.


  • Some noted disadvantages include poor drapability and crease resistance, brittleness, fibre shedding, and yellowing in sunlight. However, preparation of fabrics with castor oil lubricants result in less yellowing and less fabric weight loss, as well as increased dyeing brilliance. Jute has a decreased strength when wet, and also becomes subject to microbial attack in humid climates. Jute can be processed with an enzyme in order to reduce some of its brittleness and stiffness. Once treated with an enzyme, jute shows an affinity to readily accept natural dyes, which can be made from marigold flower extract. In one attempt to dye jute fabric with this extract, bleached fabric was mordanted with ferrous sulphate, increasing the fabric's dye uptake value. Jute also responds well to reactive dyeing. This process is used for bright and fast coloured value-added diversified products made from jute.


See also



References

Notes

  • Basu, G., A. K. Sinha, and S. N. Chattopadhyay. "Properties of Jute Based Ternary Blended Bulked Yarns". Man-Made Textiles in India. Vol. 48, no. 9 (Sep. 2005): 350–353. (AN 18605324)


  • Chattopadhyay, S. N., N. C. Pan, and A. Day. "A Novel Process of Dyeing of Jute Fabric Using Reactive Dye". Textile Industry of India. Vol. 42, no. 9 (Sep. 2004): 15–22. (AN 17093709)


  • Doraiswamy, I., A. Basu, and K. P. Chellamani. "Development of Fine Quality Jute Fibres". Colourage. Nov. 6–8, 1998, 2p. (AN TDH0624047199903296)


  • Kozlowski, R., and S. Manys. "Green Fibres". The Textile Institute. Textile Industry: Winning Strategies for the New Millennium—Papers Presented at the World Conference. Feb. 10–13, 1999: 29 (13p). (AN TDH0646343200106392)


  • Madhu, T. "Bio-Composites—An Overview". Textile Magazine. Vol. 43, no. 8 (Jun. 2002): 49 (2 pp). (AN TDH0656367200206816)


  • Maulik, S. R. "Chemical Modification of Jute". Asian Textile Journal. Vol. 10, no. 7 (Jul. 2001): 99 (8 pp). (AN TDH0648424200108473)


  • Moses, J. Jeyakodi, and M. Ramasamy. "Quality Improvement on Jute and Jute Cotton Materials Using Enzyme Treatment and Natural Dyeing". Man-Made Textiles in India. Vol. 47, no. 7 (Jul. 2004): 252–255. (AN 14075527)


  • Pan, N. C., S. N. Chattopadhyay, and A. Day. "Dyeing of Jute Fabric with Natural Dye Extracted from Marigold Flower". Asian Textile Journal. Vol. 13, no. 7 (Jul. 2004): 80–82. (AN 15081016)


  • Pan, N. C., A. Day, and K. K. Mahalanabis. "Properties of Jute". Indian Textile Journal. Vol. 110, no. 5 (Feb. 2000): 16. (AN TDH0635236200004885)


  • Roy, T. K. G., S. K. Chatterjee, and B. D. Gupta. "Comparative Studies on Bleaching and Dyeing of Jute after Processing with Mineral Oil in Water Emulsion vis-a-vis Self-Emulsifiable Castor Oil". Colourage. Vol. 49, no. 8 (Aug. 2002): 27 (5 pp). (AN TDH0657901200208350)


  • Shenai, V. A. "Enzyme Treatment". Indian Textile Journal. Vol. 114, no. 2 (Nov. 2003): 112–113. (AN 13153355)


  • Srinivasan, J., A. Venkatachalam, and P. Radhakrishnan. "Small-Scale Jute Spinning: An Analysis". Textile Magazine. Vol. 40, no. 4 (Feb. 1999): 29. (ANTDH0624005199903254)


  • Vijayakumar, K. A., and P. R. Raajendraa. "A New Method to Determine the Proportion of Jute in a Jute/Cotton Blend". Asian Textile Journal, Vol. 14, no. 5 (May 2005): 70-72. (AN 18137355)


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