Changes in Physical Properties of Korean Paper according to the Amount and Temperature of Hibiscus manihot Root Mucilage

Seo Young Won; So Yoon Jung; Seon Hwa Jeong

doi:10.7584/JKTAPPI.2021.02.53.1.15

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Changes in Physical Properties of Korean Paper according to the Amount and Temperature of Hibiscus manihot Root Mucilage 황촉규근 점질물의 투입량과 온도에 따른 한지 물성 변화

28 February 2021. pp. 15-21

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Abstract

Hibiscus manihot root mucilage is a material used for manufacturing Hanji (Korean traditional handmade paper). It makes fibers uniformly dispersed and enables the production of high-quality Hanji. This study evaluated how the changes in Hibiscus manihot root mucilage quantity and temperature affected the characteristics of Hanji. When producing Hanji, the dehydration time increased with the increase in the amount of Hibiscus manihot root mucilage. Additionally, the formation and tensile strength improved, but they deteriorated when the input exceeded a certain amount. At elevated temperatures, the pH of Hibiscus manihot root mucilage remained constant, but its viscosity decreased. Nevertheless, at high-temperatures, a non-uniform sheet was formed, and the tensile strength of Hanji decreased. In summary, the present study confirmed that a suboptimal amount of Hibiscus manihot root mucilage, and high temperature could deteriorate the quality of Hanji. The study results suggest that the physical property of Hanji produced in summer may change due to the characteristics of Hibiscus manihot root mucilage.

Keywords

Hibiscus manihot root mucilage

Korean traditional paper (Hanji)

physical properties

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Information

Publisher :Korea Technical Association of The Pulp and Paper Industry
Publisher(Ko) :한국펄프종이공학회
Journal Title :Journal of Korea TAPPI
Journal Title(Ko) :펄프종이기술
Volume : 53
No :1
Pages :15-21
Received Date : 2020-12-21
Revised Date : 2021-02-15
Accepted Date : 2021-02-16
DOI :https://doi.org/10.7584/JKTAPPI.2021.02.53.1.15

Journal of Korea TAPPI ISSN:0253-3200(Print) 펄프종이기술

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