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Physical and Mechanical Properties of Agriculture Plastic Composite Made from Jute (corchorus Olitorius L.) and Dhaincha (sesbania Cannabina Retz.)

Md. Shah Zaman
Forestry, Forestry and Wood Technology Discipline, Khulna University, Khulna- 9208, Bangladesh.

Atanu Kumar Das
Pulp and Paper Technology, Asian Institute of Technology, 58 Moo 9, Km. 42, Paholyothin Highway Klong Luang, Pathumthani 12120, Thailand.

Md. Iftekhar Shams
Forestry and Wood Technology Discipline, Khulna University, Khulna- 9208. and JSPS Invited Research Fellow, Research Institute For Sustainable Human sphere Kyoto University, Japan.

Rumana Rana
Forestry and Wood Technology Discipline, Khulna University, Khulna-9208, Bangladesh.

Md. Mizanur Rahman
Forestry and Wood Technology Discipline, Khulna University, Khulna-9208, Bangladesh.

Subir Kumar Biswas
Pulp and Paper Technology, Asian Institute of Technology, 58 Moo 9, Km. 42, Paholyothin Highway Klong Luang, Pathumthani 12120, Thailand.

Abstract/ Executive Summary:

A study was undertaken to identify jute (Corchorus olitorius L.) and dhaincha (Sesbania cannabina Retz.) sticks for Agricultural Plastic Composites (APC). In this study, JCF (Jute Coarse and Fine), DCF (Dhaincha Coarse and Fine), JF (Jute Fine), and DF (Dhaincha Fine) boards were produced. The density of JCF, DCF, JF and DF was respectively 0.93, 0.95, 0.86 and 0.92 g/cm³ . JCF, DCF, JF, and DF showed MOR in dry condition 18.75, 24.01, 12.14, and 15.04 N/mm², respectively. The MOE of JCF, DCF, JF, and DF for dry conditions was 2301.05, 2960.85, 1038.17, and 1307.59 N/mm², respectively. All the boards made of coarse and fine from jute and dhaincha showed satisfactory results of physical and mechanical properties. Hence, it can be concluded that Agricultural Plastic Composites (APC) from jute and dhaincha sticks can be alternative raw materials for manufacturing plastic composites in the near future

Keywords: Jute, Dhaincha, Physical properties, Mechanical properties, Modulus of Rupture, Modulus of Elasticity.

Location: Khulna University, Khulna, Bangladesh.

Start Date:

End Date:

Program Area: Resource Development and Management

Commodity: Jute, Dhaincha

Objectives:

To assess the feasibility of APC made from jute and dhaincha evaluating physical and mechanical properties of the two types of board.

Methodology:

Jute (Corchorus olitorious) stems used in this study were grown in Bagerhat (22° 39' 05" N and 89° 48' 11" E), Khulna, Bangladesh, and dhaincha (Sesbania cannabina) stems were collected from Khulna University (22° 48' 0" N and 89° 33' 0" E), Khulna, Bangladesh. The polypropylene material was collected from Dhaka, Bangladesh. The barks of both jute and dhaincha were removed from the stems and the sticks were kept in the sun to dry. After drying jute and dhaincha sticks were sawn into small pieces in one inch and in the next these were inserted separately into the chipper machine having a mesh size of about 8 mm. Each type of the particles was then screened separately by using a sieve of 2 mm to separate fine and coarse particles. The screened particles of each type were kept separately in the oven at a temperature of 1030C for 24 hours to reduce moisture content. The polypropylene material was crashed to reduce its volume. Four different types of boards viz. jute-fine and coarse mixed (JFC), jute-fine (JF), dhaincha-fine and coarse mixed (DFC), and dhaincha -fine (DF) were manufactured in this study. The mat was formed by fine, coarse and fine layers on rectangular the iron mould of a stainless steel plate for JFC and DFC. The polypropylene was mixed with particles properly for every step. For JF and DF, the polypropylene was mixed with particles, and a single layer mat was formed. The mat of each type was then pressed at 3 N/mm² for 15 minutes and the temperature was 140°C. In the next, the boards of each type were trimmed at the edges with a saw. The thickness of the boards was 7 mm. Both the physical and mechanical properties were carried out in accordance with British Standard (1989 and 1961). The laboratory tests for characterization of physical and mechanical properties of each type of particleboard were carried out respectively in the laboratory of Forestry and Wood Technology Discipline of Khulna University, Bangladesh, and in the Laboratory of Civil Engineering Department of Khulna University of Engineering and Technology, Khulna, Bangladesh. The sample size for physical properties was 30 mm × 24 mm × 7mm whether it was 120 mm × 50 mm × 7 mm for mechanical properties. All the data, obtained during the laboratory tests for characterization of physical and mechanical properties of each type of particleboards, were analyzed by using Microsoft Office Excel 2007, SPSS (Statistical Package for Social Survey), and SAS (Statistical Analysis System) software.

Source of Information: International Journal of Wood Science, Technology and Forestry Vol. 1 (1), pp. 001-008, September- 2013.

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It has been observed that all the properties of JCF and DCF boards meet the requirements of ANSI and IS standards as well as the BS. Based on the experiment it is also found that the DCF board showed higher MOR and MOE than other boards. All the boards produced from coarse and fine of jute and dhaincha show quite satisfactory results. In the future, these types of boards will have a good potentiality to be introduced for commercial purposes.

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