Publication: A new approach to "Greening" plastic composites using pineapple leaf waste for performance and cost effectiveness
Issued Date
2014-01-01
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ISSN
18734197
02613069
02613069
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2-s2.0-84886798077
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Mahidol University
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SCOPUS
Bibliographic Citation
Materials and Design. Vol.55, (2014), 292-299
Suggested Citation
Nanthaya Kengkhetkit, Taweechai Amornsakchai A new approach to "Greening" plastic composites using pineapple leaf waste for performance and cost effectiveness. Materials and Design. Vol.55, (2014), 292-299. doi:10.1016/j.matdes.2013.10.005 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/33871
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Title
A new approach to "Greening" plastic composites using pineapple leaf waste for performance and cost effectiveness
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Abstract
The work described in this paper is the first detailed study aimed to demonstrate the important opportunity available in using all parts of a single renewable source, i.e. pineapple leaf waste, as filler for the preparation of green plastic composite with a wide range of adjustable properties. This will not only provide the product designer an opportunity to lower the material cost, but also offer an opportunity to adjust the price-performance ratio and make use of every part of the waste leaf. Fresh pineapple leaves, which contain about 85% water, are chopped into small pieces and ground into paste. This is called whole ground pineapple leaf (WGL) and contains approximately 2.8% by weight of high quality dry fiber, called pineapple leaf fiber (PALF) as well as a large fraction of non-fibrous material (NFM) of approximately 10% by weight. WGL, PALF and NFM are examined as fillers for polypropylene reinforcement. It was found that PALF provided the highest improvement in all mechanical properties tested (tensile, flexural and impact tests) and also heat distortion temperature, followed by WGL and NFM, respectively. NFM, although it provided only slightly improved tensile and flexural properties, could maintain or even improve impact strength. Brief consideration of environmental issues suggests that using pineapple leaf waste can be beneficial in terms of both lower embodied energy and also lower overall emissions. © 2013 Elsevier Ltd.