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Preliminary Study on Automation of Bark Peeling Process for Paper Mulberry  

Kwon, Oh-Hun (Korea Institute for Knit Industry)
Kim, Hyun-Chel (Korea Institute for Knit Industry)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.43, no.4, 2011 , pp. 59-66 More about this Journal
Abstract
This study was carried out to develop the automation bark peeling process of paper mulberry for making Hanji. Nowadays, almost raw material has been imported from south-east asia for making Hanji. Raw material dependence is very high for Hanji-making by low productivity in korea. This study is focused on the resolution for problem of bark peeling automation. Water and sand jet of compressed air was possible bark peeling for black bast fiber. The effect of removing black bast fiber increased the longer the steaming time. Also using drum of bark peeling showed that results under temperature $80^{\circ}C$ and Rpm 50/min were best bark peeling and separating bast fiber from stem. The contents of holocellulose, lignin, ethanol-benzene extractives, and ash were 91.63~95.55%, 1.4~2.0%, 1.12~1.65%, and 1.4~4.3%, respectively. Chemical characteristics are similar between imported raw-material with drum bark.
Keywords
Paper mulberry; bast fiber; bark peeling process; automation; hanji yarn;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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