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Characterization on the Properties of Jute Fiber at Different Portions

Sweety Shahinur
Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka 1207, Bangladesh

Mahbub Hasan
Department of Materials and Metallurgical Engineering, Bangladesh University of Engineering Technology, Dhaka 1000, Bangladesh

Qumrul Ahsan
Department of Engineering Materials, Faculty of Manufacturing Engineering, Universiti Teknikal Malaysia, 76100 Melaka, Malaysia

Dilip Kumar Saha
Bangladesh Atomic Energy Commission, Dhaka 1000, Bangladesh

Md. Saiful Islam
Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia

Abstract/ Executive Summary:

Natural fibers are environment-friendly, biodegradable, nonabrasive, and less costly and exhibit high initial modulus and high moisture absorption. However, they have nonuniformity in their mechanical, physical, chemical, and thermal properties at different portions. For this reason, long jute fiber was cut into three different portions and subsequently characterized using single fiber tensile test, differential scanning calorimetric, thermogravimetric analysis, X-ray diffraction, and scanning electron microscopy according to top, middle, and cutting portions. The crystallinity and moisture content were measured by XRD data and moisture absorption test of the different portions of the raw jute fiber, respectively. The middle portion had better mechanical, thermal, chemical, and crystalline properties compared to the other two portions of the jute fiber. The diameter gradually became thinner from cutting to top portions. Thus the middle portion of jute fiber would be the better choice while being used as reinforcement in composites.

Keywords: Characterization, Properties, Jute Fiber, Different Portions

Location: In Bangladesh

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Jute

Objectives:

In order to investigate the properties of different portions of jute fiber, long jute fiber was cut into three portions (top, middle, and cutting) in the present research. Those portions were subsequently characterized using physical, mechanical, and thermal techniques.

Methodology:

Jute fiber was collected from Bangladesh Jute Research Institute, Bangladesh. The origin of the fiber was Faridpur region situated at middle part of Bangladesh. The collected fibers were cut manually into three portions (top, middle, and cutting) of approximately 250 mm in length. The single fiber was characterized by tensile testing using 6353 Instron machine (Instron, USA) at the crosshead speed 5 mm/sec. The fiber span length was 5 mm, 15 mm, 25 mm, and 35 mm. The span length effect was corrected by newly developed method [10]. The moisture content was measured by the conventional method at room temperature, moisture, and rainy conditions. The surface morphology of the fiber was observed under a scanning electron microscope. The moisture absorption characteristics of the different portions were studied at distilled water, 10% HCl, and 10% NaCl using ASTM-D 570. Fiber crystallinity was measured by X-ray diffraction data. A Norelco type 120-101-85 Philips electronic diffractometer with nickel filtered copper K. was used. X-ray diffraction data were collected from the equatorial diffraction profiles using 5 to 15 steps scanning method of “top of the smoothed peak,” fiber diagram. Ther-mal properties were measured using a thermogravimetric analyzer (TA Instruments SDT Q50) on 8–10 mg raw jute fiber at a heating rate of 5⁰C/min in a nitrogen atmosphere. Differential scanning calorimetric analysis was also carried out to measure thermal properties using a DSC Q10 (TA Instruments) thermal system with a sealed aluminum capsule. 10 mg jute fiber was used and the temperature was varied in between 0 and 500⁰C.

Source of Information: International Journal of Polymer Science Volume 2015, Article ID 262348, 6 pages http://dx.doi.org/10.1155/2015/262348

Article Link (Online Journal): http://dx.doi.org/10.1155/2015/262348

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The present study investigated the physical, mechanical, and thermal properties of different portions jute fibers. Single fiber tensile test, differential scanning calorimetric analysis, thermogravimetric analysis, X-ray diffraction analysis, and scanning electron microscopy on top, bottom, and cutting portions of jute fiber were carried out. The middle portion had higher tensile strength, strain to failure, and Young’s modulus as compared to top and cutting portions. The surface of the cutting portion was rougher as compared to the top and middle portions. On the other hand, the crystallinity of different portions of jute fiber was similar. However, there was a small difference in the position of the peaks. The middle portion of jute fiber also had higher thermal stability as compared to the other two portions. Thus the middle portion should be used as reinforcement in composites.

Knowledge Management: Journal