The effect of pulverisation process to kenaf fibre physical properties

Pulverisation is a size reduction process conducted during the commencement stage encountered in most experimental studies related to the usage of natural fibre as fillers. It is however, less attention is given to the effects of this process towards the characteristics on the natural fibre. Thus, t...

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Bibliographic Details
Main Authors: Ghaztar, Muhammad Mustakim Mohd, Romli, Ahmad Zafir
Format: Conference Proceeding
Language:English
Subjects:
Aspect ratio
Chemical treatment
Fillers
Kenaf
Organic chemistry
Physical properties
Size reduction
Sodium hydroxide
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Summary:Pulverisation is a size reduction process conducted during the commencement stage encountered in most experimental studies related to the usage of natural fibre as fillers. It is however, less attention is given to the effects of this process towards the characteristics on the natural fibre. Thus, this study was conducted to understand and characterized experimentally by looking at the treated and untreated pulverised Kenaf fibre after pulverisation using 0.25 mm and 5.0 mm mesh size. The fibre was chemically treated with both NaOH and Silane to compared its physical properties with the untreated fibre. The characteristic of the fibre was analysed using a polarised optical microscope and the results show that both treated and untreated Kenaf fibre length, diameter and aspect ratio decreases significantly as pulverise cycle was repeated onto the same fibre batch. A shorter fibre length was obtained for the treated fibre for both mesh sizes after the cyclic pulverisation process when compared to the untreated fibre undergone the same process. From the observation and measurement, the aspect ratio for both fibre types almost similar even though the length obtained is different. It might due to the condition of fibre and the repeated pulverisation process that influenced the length and diameter of the fibre. In conclusion, by knowing the fibre characteristic and the relationship between the types of mesh to the fibre size and aspect ratio obtained, the fabrication time could be reduced without the needs of the sieving process. It can be obtained just by selecting the right type of mesh sizes during the pulverisation process and the number of cycles for the process.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5047172