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Preparation of Base Paper for Mulching Mat Sheet Using Biodegradable Polymer  

Lee, Geum-Ja (Department of Forest Products & Biotechnology, Kookmin University)
Park, Ji-Hyun (Department of Forest Products & Biotechnology, Kookmin University)
Kang, Kwang-Ho (Department of Forest Products & Biotechnology, Kookmin University)
Kim, Hyoung-Jin (Department of Forest Products & Biotechnology, Kookmin University)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.43, no.2, 2011 , pp. 49-56 More about this Journal
Abstract
Mulching technique is used to control the temperature and moisture content of soil by covering the ground surface. Most kinds of mulching film are made of polyethylene which is non-biodegradable synthetic polymer. Utilizing these films has been one of the main sources in soil pollution. Thus residual films under the ground should be removed after a certain period of time. Therefore, an alternative mulching material made of biodegradable functional paper is considered instead of non-biodegradable films. The mulching sheet produced from paper basis has a functionality to be naturally degraded and then recycled to the bio-materials on soil. In this study, the paper based-mulching sheet coated with biodegradable polymer was specially produced using a laboratory bar coater. Coating colors prepared by dissolving PBS/PLA in chloroform were applied to kraft paper. The mechanical strength and aging properties of this mulching sheet were investigated. The burst strength of polymer-coated paper was decreased with the increase of the PBS ratio in PBS/PLA blends, and, in particular, 30/70 blending condition led to good stability in heat-aging atmosphere for 60 days.
Keywords
mulching sheet; afforestation; PLA; PBS; biodegradable;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
Times Cited By SCOPUS : 1
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