Evaluation of the Fruit Bag Property (II) : Property of Pear Bag Paper Used for Domestic Environment

Kyoung-Mo Jeong; Jae-Hun Lee; Tai-Ju Lee; Jeong-Yong Ryu

doi:10.7584/JKTAPPI.2018.06.50.3.78

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Evaluation of the Fruit Bag Property (II) : Property of Pear Bag Paper Used for Domestic Environment 과수봉지의 특성 평가 ( II ) : 국내 재배환경에 이용되는 배봉지의 물성 탐색

30 June 2018. pp. 78-85

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Abstract

In this study, physical properties of ten kinds of the conventional pear bag papers were evaluated. The paper samples showed tensile strength ranged with 1.58-4.03 kN/m (machine direction, MD) and 0.35-1.25 kN/m (cross direction, CD). Burst strength of the samples were in the range with 56.3-124.1 kPa (MD) and 79.1-156.4 kPa (CD). Air resistance (permeability) of the outside paper were divided into two groups (group A: 10-30 sec/100 mL, group B: 40-55 sec/100 mL). Air permeability of the inner side paper were also divided into two groups (group C: 10-20 sec/100 mL, group D: 30-45 sec/100 mL), exclusive of sample E (75 sec/100 mL). Meanwhile, the two samples (D, J) showed similar results of total air permeability (the outside paper + the inner side paper) with 27.2 and 26.9 sec/100 mL, respectively. However, unlike the air permeability, water vapor permeability (the outside paper + the inner side paper) of the two samples (D, J) showed different results with 2.6 and 1.4 mg/cm²/hr. From these results, It was considered that water vapor permeability characteristics of the papers were closely related to the air permeability as well as water resistance(water drop contact angle).

Keywords

Pear bag

property of fruit bag paper

air permeability (resistance)

water vapor permeability

References

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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 : 50
No :3
Pages :78-85
Received Date : 2018-06-14
Revised Date : 2018-06-25
Accepted Date : 2018-06-26
DOI :https://doi.org/10.7584/JKTAPPI.2018.06.50.3.78

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

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Literature Cited