메틸셀룰로오스에 의한 탈랍지의 강도보강처리- 메틸셀룰오스 점도 및 도포율의 영향 - = Strengthening of De-waxed Paper by Methyl Cellulose (MC) and Its Preservability - Effect of Viscosity and Coating Ratio of MC -

다국어 초록 (Multilingual Abstract)

This study was conducted to investigate the effect of the strengthening treatment of methyl cellulose (MC) on properties and aging characteristics of the dewaxed papers during humid heating aging. Beeswax-treated Hanji was dewaxed by the supercritical fluid extraction method, and subsequently the strengthening treatment was performed with MCs having three different viscosities. MC was first applied by dipping a dewaxed paper into a MC solution whose concentration was controlled from 0.5% to 1.5%. After the strengthened papers were artificially aged at 80℃ and 65% RH, the changes in optical and mechanical properties of the samples were evaluated. The results show that viscosity and especially pick-up of MC influenced the strengthening efficiency and aging characteristics of dewaxed paper. Strength was increased with the MC coating weight; in addition, strengthening with MC improved preservability of the dewaxed paper. The optimum conditions for the strengthening with MC was found to be the coating ratio of 4% with 1500 cP MC.

참고문헌 (Reference)

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