Dochim Effects of Traditional Handmade-hanji by Super-calendering Treatment

Hwang, Ji-Hyun; Jeong, So-Yoon; Kim, Hyoung-Jin

doi:10.7584/jktappi.2016.10.48.5.45

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Relation Between Sound Absorption Rate and Permeability As Well As Pore Size Of Hanji Wallpaper1

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2018

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“…It was reported that the high calendering temperature during the super calendering process of Hanji paper can increase the fiber density and decrease the pore size of the surface (Hwang et al, 2016). It is considered that the process improvement in the production of Korean wallpaper can improve the sound absorption property of wallpaper.…”

Section: Relation Between Sound Absorption Rate and Permeability As Well As Pore Size Of Hanji Wallpapermentioning

confidence: 99%

Sound Absorption Property of Traditional Korean Natural Wallpaper (Hanji)

Jang¹,

Kang²,

Huang³

et al. 2018

Journal of the Korean Wood Science and Technology

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The sound absorption property, hand feel, air permeability and pore size of 25 kinds of traditional Korean natural wallpapers (Hanji) were measured and analyzed in this study. The sound absorption rate of Hanji became larger with increasing of frequency beginning from 3.2 kHz, reached 2 times in frequency range of nearby 4 kHz. The sound absorption rate of Hanji was increased as the permeability was lowered and the pore size was decreased. The sound absorption property of Hanji wallpaper could be improved by manufacturing process such as super calendering process.

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Section: Relation Between Sound Absorption Rate and Permeability As Well As Pore Size Of Hanji Wallpapermentioning

confidence: 99%