Preparation of Sheet-like Composite by using Fallen Leaves

Gwang Sik Choi; Jin Ho Noh; Yong Joo Sung

doi:10.7584/JKTAPPI.2020.10.52.5.127

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2020 Vol.52, Issue 5 Preview Page Next Page

Preparation of Sheet-like Composite by using Fallen Leaves 낙엽을 활용한 판상 구조체 제조

30 October 2020. pp. 127-134

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Abstract

Disposal of fallen leaves in city area has become serious issue because of increasing amount of the fallen leaves and of decreasing handling amount of daily waste incinerating facility or landfill. In order to increase the usability of fallen leaves, the sheet-like composite was prepared through pretreatment processes and manufacturing processes of fallen leaves. The crushed fallen leaves were fractionated by using 10 mesh and 40 mesh screen, which could divided the stem and the lamina because the lamina of the fallen leaves was more breakable than the stem. The effects of fallen leaves particles size on the properties of the sheet-like composite were evaluated. The fraction between 10~40 mesh of the crushed fallen leaves resulted in the higher strength properties of the composite than that of the larger size particles or the smaller size particles. The bulkier structure of the composite made of 10 mesh fraction showed higher water resistance property and lower water holding capacity. The density and the strength property of the composite was controlled by addition of red clay as filler. The surface treatment with rosin resulted in the higher water resistance and the neutralization of alkali pH.

Keywords

Fallen leaves

sheet like composite

fractionation

water resistance

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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 : 52
No :5
Pages :127-134
Received Date : 2020-10-14
Revised Date : 2020-10-21
Accepted Date : 2020-10-23
DOI :https://doi.org/10.7584/JKTAPPI.2020.10.52.5.127

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

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Literature Cited