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2019 Vol.51, Issue 6 Preview Page
Effect of the Addition of Coupling Agent on the Performance of the Impregnation Treatment with the Mixture of PVA and Inorganic Additives

커플링제 첨가가 PVA와 무기입자 혼합함침 처리에 미치는 영향

Ho-Yoon Jung1
,
Yong Joo Sung22†
정호윤 1
,
성용주 2†
1KOMSCO CO. Ltd., Daejeon, 34132
2Department of Biobased Materials, College of Agriculture and Life Science, Chungnam National University, Daejeon, 34134
1한국조폐공사
2충남대학교 농업생명과학대학 환경소재공학과
†Corresponding author: E-Mail: yosung17@cnu.ac.kr
30 December 2019. pp. 13-21
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Abstract

In this study, the effect of the addition of the coupling agent to the impregnating solutions such as polyvinyl alcohol (PVA) solution and the PVA solutions with inorganic additives were evaluated in terms of the applicability of the impregnation solutions and the properties of the impregnated paper. The viscosity of the impregnation solutions was decreased by the addition of the coupling agent, which affected the impregnated weight. The higher addition of the inorganic additives resulted in the higher viscosity and the decrease of the impregnated weight, which could be compensated by the addition of the coupling agent. Impregnated paper by using the PVA solutions with the coupling agent and the inorganic additives showed higher tensile strength and higher endurance strength, indicating that the coupling agents provided the better dispersion of inorganic additives which resulted in the better interfacial coupling of the PVA matrix and inorganic additives. However, the higher interfacial bonding between the PVA matrix and the inorganic additives led to the lower elongation properties. The opacity of the impregnated paper was improved by using the inorganic additives with the coupling agents. Those results showed that the addition of the coupling agents increased the dispersion of the inorganic additives in the PVA matrix and provided the stronger interaction between the PVA matrix and the inorganic additives.

Keywords
Impregnation
polyvinyl alcohol
coupling agent
inorganic additives
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 : 51
  • No :6
  • Pages :13-21
  • Received Date : 2019-10-11
  • Revised Date : 2019-10-18
  • Accepted Date : 2019-10-21
  • DOI :https://doi.org/10.7584/JKTAPPI.2019.12.51.6.13
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