Comparative Analysis of the Efficiency of Gas Grafting Reaction of Different Types of Hanji with Palmitoyl Chloride

Kyoung-Hwa Choi; Kwang Seob Lee; Jae-Hoon Lee; Myoung-Ku Lee; Jeong-Yong Ryu

doi:10.7584/JKTAPPI.2019.06.51.3.90

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Comparative Analysis of the Efficiency of Gas Grafting Reaction of Different Types of Hanji with Palmitoyl Chloride 한지 종류별 기상 그라프트 처리효과 비교분석

30 June 2019. pp. 90-97

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Abstract

This study was conducted to investigate the changes in the grafting efficiency of different types of Hanji, such as a raw materials and manufacturing methods varying different palmitoyl chloride concentrations and reaction temperatures. The results showed that the raw material of Hanji affected the grafting efficiency. The grafting efficiency of Hanji produced using the bast fiber of Edgeworthia chrysantha Lindl. was particularly excellent. Meanwhile, the amidation between anionic polyacrylamide (A-PAM) and palmitoyl chloride was speculated to occur in the case of Hanji at which A-PAM was added. However, the manufacturing process of Hanji had little influence on the graft reaction efficiency. The strength and brightness of all Hanji samples decreased via the gas grafting treatment, regardless of the kind of Hanji. The changes in the hydrophobicity, physical and optical properties of Hanji samples via gas grafting increased with the increasing palmitoyl chloride concentration and reaction temperature.

Keywords

Hydrophobic Hanji

gaseous grafting

Hanji type

palmitoyl chloride concentration

reaction temperature

grafting efficiency

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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 : 51
No :3
Pages :90-97
Received Date : 2019-05-27
Revised Date : 2019-06-12
Accepted Date : 2019-06-14
DOI :https://doi.org/10.7584/JKTAPPI.2019.06.51.3.90

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

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Literature Cited