Analysis of Modern Document Paper for Identification of Counterfeit Document ( I ) : Filler Composition

Kyoung-Hwa Choi; Jae-Hoon Lee; Jeong-Yong Ryu

doi:10.7584/JKTAPPI.2018.06.50.3.28

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2018 Vol.50, Issue 3 Preview Page Next Page

Analysis of Modern Document Paper for Identification of Counterfeit Document ( I ) : Filler Composition 위조문서 감별을 위한 현대 문서용지 특성 분석 ( I ) : 충전제 분석

30 June 2018. pp. 28-35

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Abstract

In this study, the composition and content of filler within the 188 species of split sheets of a graduate thesis, whose publication year was verified, were analyzed to investigate the characteristics of modern document paper. Based on the results of ash-measurements and SEM-EDS analysis, it was found that major fillers, including talc, clay and calcium carbonate, are used in modern paper making. Between 1978 and 2000, talc was used as a major filler in document paper. Since around 2000, calcium carbonate was begun to be used, and calcium carbonate was mainly used in recent years. It is closely related with not only the use of calcium carbonate due to a conversion into neutral papermaking system in 1985 but also the decline of price due to a increase of domestic production of calcium carbonate in 1999. The ash content of the paper samples varied from about 10% to 30%. Several samples are assumed to contain fillers and coating pigments. To increase the reliability of analysis data, we need to continually sample and investigate more diverse documents.

Keywords

Document paper

filler composition

ash contents

SEM-DES

counterfeit document

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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 :28-35
Received Date : 2018-05-12
Revised Date : 2018-06-19
Accepted Date : 2018-06-20
DOI :https://doi.org/10.7584/JKTAPPI.2018.06.50.3.28

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

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Literature Cited