Iris Publishers_Journal of Textile Science & Fashion Technology (JTSFT)

Production of Coir-Jute Blended Yarn: A Comparative Study on the Performance of Jute and Coir-Jute Blended Yarn

Abstract

The demand for environmentally friendly fiber is increasing day by day. Jute is a source of eco- friendly fiber, but years to come, it will be more expensive as the production of jute is decreasing because of the availability of synthetic fiber at low cost. Coir fibers obtained from the husk of the coconut are highly available in the coastal area of Bangladesh, which is a good source of environmental friendly fiber. There is a large demand of jute products all over the world. If we utilize the coir fiber by blending it with jute, it can be a good solution to meet the demand. A method has been developed to produce coir-jute blended yarn and compare the property of blended yarn with 100% jute yarn. Coir fiber was treated with NaOH to achieve softer coir fiber. Coir fiber was blended with jute fiber at the proportion of 50:50 to produce yarn of 16lbs having quality ratio more than 121% and an acceptable range of co-efficient of variation of strength.
Keywords:Blended yarn; Coir fiber; Eco-friendly; Jute fiber
Introduction
Blended fiber means unique fiber with unique characteristics. When two or more fibers mixed, a new fiber found with a new signature, which is called blended fiber. Generally, fiber is blended to gain a specific nature of a required product. That is why Coir and Jute fiber blended in this research. Coir fiber obtained from the husk of the Coconut [1]. Here, Husk means the outer shell of coconut [2]. Coconut is a palm plant and it is found in the humid tropical region as like Coastal areas [3]. Asia and East Africa are mainly farming the Coconut plant extensively [4]. Coir fiber has some physical properties such as it is 6-8 inches in length, the diameter is 0.1- 1.5mm, density is 1.40, tenacity is 10.0, breaking elongation is 30%, and moisture at 65% RH is 10.50% [5]. Coir fiber has a wide range of applications. For instance, motorcycle helmet, cement, plaster, house construction, slope stabilization, wall paneling system, slabs, concrete [6]. Moreover, it has some general uses i.e. ropes, mattresses, floor mats, vehicle seats, brushes, brooms, furniture, etc. [6,7].
On the other hand, Jute is a lengthy vegetable fiber which is very mild [8]. Jute fiber can be spun into coarse and farm threads [8]. It is one of the cheapest natural bast fiber, and its source of origin is Corchorus plants and that is why its scientific name is Corchorus Capsularis [9]. It is available in Asian region but nowadays, some other regions are also cultivating Jute. Few countries are farming jute enormously & they are Bangladesh, India, China, Thailand, Nepal, Indonesia, Brazil [10,11]. Cultivation of Jute depends on some climatic factors such as temperature, humidity, rainfall etc. and Jute has a contribution to the national economy in some country [12]. Jute fiber also has some physical properties such as its length is 1.5-4mm, the diameter is 0.015-0.020mm, Strength is 3-4 gm/den, elongation is 1.7% at the break, Moisture regain is 13.75% [13]. Jute product is important both for human being and environment as it is biodegradable, eco-friendly and non-toxic [14]. Jute is a versatile fiber, and there is a plethora of applications of jute fiber such as sacking, foot wears, bags and soft luggage, tablecloth, bed cover, cushion cover, napkins, sofa cover, blankets, floor cover, ornaments, etc. [15].
Here, this research mainly shows the performance of Jute and a comparative study on the performance of coir-jute blended yarn.

Materials and Methods

Materials
• Raw coconut fiber
• Jute fiber procured from KFD jute mill.
• Sodium Hydroxide
• Acetic acid
Methods
Softening of coir fiber: Raw coir fiber was immersed in a solution of NaOH and wetting agent in KFD jute mill in 1:25material to liquor ratio and heated for 1hour at 100˚C.After softening the coir fiber washed with warm water and neutralized with 5%(w/w) acetic acid solution. After neutralization, the coir fiber was washed with normal water and dried in air.
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