Aging Characteristics of Grape and Pear Growth Paper Bag

Jin-Yang Ha; Su-Myoung Chae; Seung-Lak Yoon

doi:10.7584/ktappi.2014.46.6.041

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2014 Vol.46, Issue 6 Preview Page Next Page

Aging Characteristics of Grape and Pear Growth Paper Bag 포도, 배 재배용 과수봉지의 열화 특성

30 December 2014. pp. 41-49

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Abstract

The research was performed to investigate the weathering characteristics of fruit growth paper bags. The bags were used to cover fruits such as grapes and pears. And then they were collected after 30 and 60 days exposure at the orchard. The physical and optical properties of the bags tended to decrease with the exposure times. The larger change on the properties were found on the papers exposed for 30 days. The cover paper for pear showed the largest density changes. The air permeability were decreased with the exposure time in all bags. The cover paper for pear showed the very low values of air permeability. The mechanical properties of the fruit bags showed to be gradually decreased with the length of exposure time. The tear index showed the largest differences. The cover paper for pear showed the rapid decrease on the mechanical properties after 60 days of the exposure. The inner paper, however, showed the strength enough to cover the fruits. The precipitation showed more effect on the degradation of fruit growth paper bags than the light hours.

Keywords

Grape, pear

fruit growth paper bag

weathering test

aging characteristics

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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 : 46
No :6
Pages :41-49
Received Date : 2014-12-05
Revised Date : 2014-12-17
Accepted Date : 2014-12-19
DOI :https://doi.org/10.7584/ktappi.2014.46.6.041

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

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