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Manufacturing of Korean Paper(Hanji) with Indian Mallow (Abutilon avicennae Gaertner) as the Alternative Fiber Resources(I) - Productivity and Pulping Characteristics of Indian Mallow -  

Jeong, Seon-Hwa (Institute of Agriculture Science & Technology, Chungbuk National University)
Cho, Nam-Seok (Dept of Forest Products, Chungbuk National University)
Choi, Tae-Ho (Dept of Forest Products, Chungbuk National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.30, no.2, 2002 , pp. 144-150 More about this Journal
Abstract
Indian mallow is characterized by the rapid growth and high harvest of the fibrous materials. This study was carried out to investigate the sheet properties of Hanji using Indian mallow, made by different pulping methods, such as alkali and sulfomethylated pulpings and different stock compositions, various mixing ratios of bast fiber, woody core and whole stalk fibers. The results from this study were summarized as follows. The length and width of the bast fibers were 1.40-430 mm(av. 235 mm), and 9.2-26.4 ㎛(av.18.3 ㎛), respectively. The cell wall thickness was 4.0-115 ㎛(av. 7.7 ㎛). Runkel ratio, flexibility coefficient and fiber length/fiber width ratio were 1.38, 0.42 and 128 respectively. Bast fiber and whole stalk were cooked by alkali and sulfomethylated methods. Sulfomethylated pulping resulted in superior pulp in terms of yield and quality as compared with those of alkali pulping. The pulp yields of bast fiber was higher than those of whole stalk
Keywords
Indian mallow; alkali/sulfomethylated pulpings; bast fiber; woody core; whole stalk;
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